Sajjad Ullah

Dr. Sajjad Ullah

Assistant Professor

Institute of Chemical Sciences | University of Peshawar

sajjadullah@uop.edu.pk
Core Research Areas
Development of UV/visible/NIR active nanometric semiconductor photocatalystsBacterial Cellulose-based water filters/membranesWater purification via heterogenous photocatalysisThin photoactive/self-cleaning filmsUpconversion nanoparticlescore@shell nanoparticlesSol-gel chemistry

Postdoctoral Studies, Chemistry, Institute of Chemistry of Araraquara, State University of São Paulo (UNESP), Araraquara, SP, Brazil (June 2016-September 2018) IQ-UNESP, Brazil.

     Project title: Development of efficient IR/Visible light-driven Photocatalysts for Photocatalytic Applications under Solar light radiation, Supported by Sao Paulo Research  foundation (FAPESP), (Grant number: 15/22875-4),

 Doctor of Philosophy (PhD), Chemistry, Institute of Chemistry of São Carlos, (IQSC) University of São Paulo (USP, ranked #92 in QS World University Ranking) Brazil (2014), SP, Brazil 2010-2014, under TWAS/CNPq Fellowship award.

Thesis title: Preparation and Characterization of Nanostructured Materials and Thin Films based on TiO2 for Application in Photocatalysis for environmental clean-up (DOI: 10.11606/T.75.2014.tde-26012015-173233) (click here to view the thesis),

Master of Science, Chemistry, University of Peshawar, Peshawar, Pakistan 2004-2007

Got 1st division and secured 5th position in master level examination.

Bachelor of Science (B.Sc), Chemistry, University of Peshawar, Pakistan 2002-2004

Got 1st division and secured 1st Position in the college in bachelor level examination

​​​​​​​Bachelor in Education (B.Ed), University of Peshawar, Pakistan 2007-08

​​​​​​​Higher Secondary School Certificate (HSSC), pre-medical, Board of Intermediate and Secondary Education (BISEP), Peshawar, Pakistan 2000-2002

​​​​​​​​​​​​​​Secondary School Certificate (SSC), science, Board of Intermediate and Secondary Education (BISEP), Peshawar, Pakistan 1998-2000

(1) Assistant Professor in Chemistry (Current): Institute of Chemical Sciences, University of Peshawar, Peshawar, KPK Pakistan (October 2015 to date)

(2) Lecturer in Chemistry (past): Institute of Chemical Sciences, University of Peshawar, Peshawar, KPK Pakistan (Jan-2010 to October 2015)

(3) Visiting Researcher (past) : Center of Nanotechnology and Tissue Engineering, Department of Chemistry, Faculty of Philosophy, Sciences and Letters of Ribeirão Preto (FFCLRP), University of Sao Paulo (USP), Ribeirão Preto,SP Brazil (June 2025 to November 2025)

(4) Visiting Researcher (past): Photonics Lab, Institute of Chemistry of Araraquara, State University of São Paulo, Araraquara, (UNESP-SP and UFMS), Brazil (06 month)

(5) Visiting Researcher (past): Federal University of Mato Grosso de Sul, MG, Brazil  

(6) Lecturer in Chemistry (past): Abdul Wali Khan University, Department of Chemistry, Mardan, KPK, Pakistan August 2009 – December 2009

(7) Lecturer in Chemistry (past): University of Science and Technology Bannu (USTB), KPK, Pakistan Jan/2008 – August/2009 

(8) Lecturer in Chemistry (past, temporary): Government Degree College Tangi, Tangi, Charsadda, KPK, Pakistan March/2007 – Jan/2008

2025-2026

 

  1. Sajjad Ullah, Livia Eloy da Silva, Elias P. Ferreira Neto and Rogéria Rocha Gonçalves et al. Synergistic gas-bubbling and oxidative exfoliation for the reproducible synthesis of mesoporous g-C₃N₄ 2D nanosheets with enhanced physicochemical properties,ACS OMEGA (2026), https://doi.org/10.1021/acsomega.5c13051

 

  1. York E. Serge-Correales, Fernando E. Maturi, Henrique L. Piva, Sajjad Ullah, Antonio C. Tedesco, Luís D. Carlos, Maria R. F. André, Marc Verelst, Sidney J.L. Ribeiro, Rogéria R. Gonçalves, Controlled Shell Growth Enables High Quantum Yield Upconverting Nanoparticles for Thermal Sensing and Bioimaging, Advanced Optical Materials (Wiley), (2026), https://doi.org/10.1002/adom.202502598

 

  1. Ana C. da Costa, Nayara M.C. Serge, Maria V. Guidorzi, Fernanda H. Borges, Ana B. Acosta, Sajjad Ullah, Luiz A. B. de Moraes, Antônio C. Tedesco, Rogéria R. Gonçalves, Layered SnS2 Co-Doped with Er3+/Yb3+ for Enhanced Visible-Light Photocatalysis (2025), Optical Materials, 169,2026,117399,  https://doi.org/10.1016/j.optmat.2025.117399.

 

2023-2024

 

  1. Leonardo Marchiori, Leonardo S Santos, Thiago Schuler, Joseane C. Bernardes, Bianca O. Mattos, Bruno S.D. Onishi, Ricardo Bortoletto-Santos, U.P. Rodrigues-Filho, Rafael R. Domeneguetti, Sajjad Ullah, Carlos R. Rambo, Elias P. Ferreira-Neto, S. J. L. Ribeiro, Effect of drying methods on the structure and properties of bacterial nanocellulose/MoS2 hybrid gel membranes and sphere-like particles for enhanced adsorption and photocatalytic applications, Journal of Sol-Gel Science and Technology (2024) 110:635–653

 

  1. Thaís Caroline Almeida da Silva,# Leonardo Marchiori,# Bianca Oliveira Mattos, Sajjad Ullah,Hernane da Silva Barud, Rafael Romano Domeneguetti, Hernán Dario Rojas-MantillaMaria Valnice Boldrin Zanoni, Ubirajara Pereira Rodrigues-Filho, Elias Paiva Ferreira-Neto, and Sidney José Lima Ribeiro, Designing Highly Photoactive Hybrid Aerogels for In-Flow Photocatalytic Contaminant Removal Using Silica-Coated Bacterial Nanocellulose Supports, ACS Appl. Mater. Interfaces, 2023, https://doi.org/10.1021/acsami.3c02008, (IF= 10.383)

 

2020-2022

 

  1. Kifayat U.Rahman, Elias P.Ferreira-Neto…Sajjad Ullah*, Flexible bacterial cellulose-based BC-SiO2-TiO2-Ag membranes with self-cleaning, photocatalytic, antibacterial and UV-shielding properties as a potential multifunctional material for combating infections and environmental applications, Journal of Environmental Chemical Engineering, 2021, 9(1), 104708, https://doi.org/10.1016/j.jece.2020.104708 (Impact Factor= 7.968)

 

  1. Elias P Ferreira-Neto, Sajjad Ullah et. al Bacterial nanocellulose/MoS2 hybrid aerogels as bifunctional adsorbent/photocatalyst membranes for in-flow water decontamination, ACS Appl. Mater. Interfaces 2020, 12, 37, 41627–41643 [DOI:10.1021/acsami.0c14137] (IF= 10.383)

 

  1. York E. Serge-Correales, David Neumeyer, Sajjad Ullah, Robert Mauricot, Qilin Zou, Sidney J. L. Ribeiro, and Marc Verelst, Size Control and Improved Aqueous Colloidal Stability of Surface-Functionalized ZnGa2O4:Cr3+ Bright Persistent Luminescent Nanoparticles, Langmuir 2023, https://doi.org/10.1021/acs.langmuir.2c02871 (Impact Factor = 4.331)

 

  1. Sajjad Ullah, Elias P. Ferreira-Neto, Abrar A. Khan, Isaac P. M. Medeiros, and Heberton Wender, Supported nanostructured photocatalysts: the role of support-photocatalyst interactions, Photochemical & Photobiological Sciences (2022), 22, pages 219–240 (2023) https://doi.org/10.1007/s43630-022-00299-9 (Impact Factor= 4.328)

 

  1. Abrar A Khan, L. Marchiori, Elias P. Ferreira-Neto, H. Wender, R. Parveen, M.Muneeb, Bianca O. Mattos, Ubirajara P. Rodigues-Filho, Sidney J. L. Ribeiro, Sajjad Ullah, Enhanced Photoredox Activity of BiVO4/Prussian Blue Nanocomposites for Efficient Pollutant Removal from Aqueous Media under Low-Cost LEDs Illumination, Catalysts 2022, 12(12), 1612; https://doi.org/10.3390/catal12121612 (Impact Factor= 4.5)

 

  1. York Serge, Sajjad Ullah, Elias Paiva Ferreira Neto, Hernan D. Rojas-Mantilla, Chanchal Hazra and Sidney JL Ribeiro, UV-visible-NIR active smart photocatalytic system based on NaYbF4:Tm3+ upconverting particles and Ag3PO4/H2O2 for photocatalytic processes under both light on/light off conditions, Materials Advances, Mater. Adv., 2022,3, 2706-2715 https://doi.org/10.1039/D1MA01028J

 

  1. Luiz E. Gomes, Luiz F. Plaça , Washington S. Rosa, Renato V. Gonçalves, Sajjad Ullah,  Heberton Wender, Increasing the Photocatalytic Activity of BiVO4 by Naked Co(OH)2 Nanoparticle Cocatalysts, Photochem, 2022, 2(4), 866-879, https://doi.org/10.3390/photochem2040055  (Impact Factor= N/A)

 

  1. Elias P Ferreira Neto, Sajjad Ullah* et. al., Thermally stable SiO2@TiO2 core@shell nanoparticles for application in photocatalytic self-cleaning ceramic tiles, Materials Advances, 2021,2, 2085-2096 [DOI: 10.1039/d0ma00785d].

 

  1.  Elias P Ferreira Neto, Sajjad Ullah et. al., Prussian blue as a co-catalyst for enhanced Cr (VI) photocatalytic reduction promoted by titania-based nanoparticles and aerogels, New J. Chem., 2021,45, 10217-10231 (DOI: 10.1039/D1NJ01141C) (IF= 3.925)

 

  1. Luiz E. Gomes, Adailton C. Nogueira, Marcio F. da Silva, Luiz F. Plaça, Lauro J.Q. Maia, Renato V. Gonçalves, Sajjad Ullah, Sherdill Khan, Heberton Wender, Enhanced photocatalytic activity of BiVO4/Pt/PtOx photocatalyst: the role of Pt oxidation state, Applied Surface Science, 2021,567, 150773, https://doi.org/10.1016/j.apsusc.2021.150773. (IF= 7.392)

 

  1. Sajjad Ullah*, Fyaza et. al., Enhanced photoactivity of BiVO4/Ag/Ag2O Z-scheme photocatalyst for efficient environmental remediation under natural sunlight and low-cost LED illumination, Colloids and Surfaces A: Physicochemical and Engineering Aspects, 2020, 600, 124946  [DOI: 10.1016/j.colsurfa.2020.124946)]  (IF =5.518)

 

  17. Francielle Stelo, Natalya Kublik, Sajjad Ullah, Heberton Wender, Recent advances in Bi2MoO6 based Z-scheme heterojunctions for photocatalytic degradation of pollutants, Journal of Alloys and Compounds, 2020, 829, 154591 [DOI: 10.1016/j.jallcom.2020.154591] (IF= 6.371)

2018-2019

 

  1. Sajjad Ullah*, E.P. Ferreira-Neto et. al, Broad spectrum photocatalytic system based on BiVO4 and NaYbF4:Tm3+ upconversion particles for environmental remediation under UV-visible-NIR illumination,  Applied Catalysis B: Environmental, 2019,  Volume 243, April 2019, Pages 121-135  [DOI: 10.1016/j.apcatb.2018.09.091] (IF= 24.319)

 

  1. Julia C Novelleto, Elias P Ferreira-Neto, Lidiane P Gonçalves, Sajjad Ullah, Dario A Donatti, Sidney J Lima Ribeiro, Ubirajara Pereira Rodrigues-Filho, Plasmonic silver-based reversible photochromism in Ag+‒doped organomodified silicates-phosphotungstate hybrid films, Optical Materials, 2019, 92, 233-242 [DOI: 10.1016/j.optmat.2019.04.034] (IF= 3.754)

 

  1. Serge, York; Hazra, Chanchal; Sajjad Ullah, Roncalho, Lais; Ribeiro, Sidney , Precisely Tailored Shell Thickness and Ln3+ Content to Produce Multicolor Emission from Nd3+ Sensitized Gd3+ Based Core/Shell/Shell UCNPs Through Bi-directional Energy Transfer,  Nanoscale Advances, 2019, 1, 1936-1947  [DOI: 10.1039/c9na00006b] (IF=5.598)

 

  1. Elias P. Ferreira Neto, Sajjad Ullah, Mateus B. Simões, Amanda P. Perissinotto , Fabio S.de Vicente, Paul-Ludwig M. Noeske, Sidney J.L.Ribeiro and Ubirajara P. Rodrigues Filho, Solvent-controlled deposition of titania on silica spheres for the preparation of SiO2@TiO2 core@shell nanoparticles with enhanced photocatalytic activity, Colloids and Surfaces A: 2019,  570, 293-305 [DOI: 10.1016/j.colsurfa.2019.03.036] (COVER ARTICLE) )]  (IF =5.518)

 

  1. Rashida P, Sajjad Ullah, Ricardo Sgarbi, Germano T Filho, One-Pot Ligand-Free Synthesis of gold nanoparticles: the role of glycerol as reducing-cum-stabilizing agent, Colloids and Surfaces A, 2019, 565, 162-171 [DOI: 10.1016/j.colsurfa.2019.01.005], (IF = 5.518)

 

  1. Mateus B. Simões, Sajjad Ullah, Chanchal Hazra, Michel Wong Chi Man, Sidney JL Ribeiro, U. P. Rodrigues-Filho, Eco-friendly Polydimethylsiloxane-Based Self-Supporting Film containing Europium-Polyoxometalate: A Flexible Luminescent Material for White Light Generation, Journal of Luminescence, 2018, 201, 384-389 [DOI: 10.1016/j.jlumin.2018.04.041] (IF= 4.171) 

 

24. Chanchal Hazra, Sajjad Ullah, Laís, G. Caetano, York E. Serge Correales, Sidney J. L. Ribeiro, Enhanced NIR-I Emission from Water-Dispersible NIR-II Dye-sensitized Core/Active Shell Upconverting Nanoparticles, Journal of Mat Chem C, 2018,  6(17), 4777-4785  [DOI: 10.1039/C8TC00335A] (IF= 8.067)

 

25. Chanchal Hazra, Sajjad Ullah, Laís Galvão Caetano and Sidney JL Ribeiro, Eu (III)-Coordination Polymer Sub-micron Fibers: Material for Selective and Sensitive Detection of Cu2+ ions via Competition between Photoinduced Electron Transfer and Energy Transfer, Journal of Material Chemistry C, 2018, 6, 153-161 [DOI: 10.1039/C7TC02638B] (IF= 8.067)

2015-17

  1. Sajjad Ullah*, C.Hazra, E.P. Ferreira-Neto, T.C. Silva, U.P. Rodrigues-Filho, S.J. L. Ribeiro, Microwave-assisted synthesis of NaYF4:Yb3+/Tm3+ upconversion particles with tailored morphology and phase for the design of UV/NIR-active NaYF4:Yb3+/Tm3+@TiO2 core@shell photocatalysts, CrystEngComm 2017, 19, 3465-3475 [DOI: 10.1039/C7CE00809K] (IF= 3.756)

 

  1. A. Staykov, E.P. Ferreira-Neto, J.M.Y Santa-Cruz, Sajjad Ullah, U. P. Rodrigues-Filho, The stability of titania-silica interface, Int J Quantum Chem. 2017, e25495 [DOI: 10.1002/qua.25495] (IF= 2.437)

 

  1. Sajjad Ullah*, Elias P Ferreira-Neto, André A Pasa, Carlos CJ Alcântara, José JS Acuña, Sara A Bilmes, Maria L Martínez Ricci, Richard Landers, Taina Z Fermino, Ubirajara P Rodrigues-Filho. Enhanced photocatalytic properties of core@shell SiO2@TiO2 nanoparticles, Applied Catalysis B: Environmental, 2015, 179, 333–343, [DOI:10.1016/j.apcatb.2015.05.036] (IF= 24.319)

 

  1. Rashida Parveen, Janaina Fernandes Gomes, Sajjad Ullah and Germano Tremiliosi-Filho, One-pot synthesis of single crystalline gold nanorods using glycerol in alkaline media as a low-cost and eco-friendly reducing agent, 2015, Journal of Nanoparticles Research, 2015, 17 (10), 418 [doi: 10.1007/s11051-015-3223-y] (IF= 2.533)

 

  1. Elias P. Ferreira Neto, Mateus B. Simões, Julia Cristina Noveletto, Jean M. S. C. Yabarrena, Sajjad Ullah and Ubirajara P. Rodrigues Filho, The effect of ormosil matrix composition and alkaline-earth cations doping on the photochromic response of sol-gel derived ormosil-polyoxometalate hybrid films Journal of the Brazilian Chemical Society,  2015, 26 (12), 2598-2606 [DOI: 10.5935/0103-5053.20150282]  (IF=2.315)

 

  1. Lidiane P. Gonçalves, Elias. P. Ferriera-Neto, Sajjad Ullah, L. V Souza, Orlando E Ysnaga, Ubirajara P Rodrigues-Filho, Enhanced Photochromic Response of Phosphotungstate-ormosil Nanocomposite Coatings doped with TiO2 Nanoparticles, Journal of Sol Gel Science and Technology, 2015, 76(2), 368-395, [DOI: 10.1007/s10971-015-3787-0] (IF=2.606)

 

  1. Elias P Ferreira-Neto, Sajjad Ullah, Flavio LS de Carvalho, Adriano L de Souza, Marcos de Oliveira, José F Schneider, Yvonne P Mascarenhas, Alberto M Jorge, Ubirajara P Rodrigues-Filho. Preparation, characterization and photochromic behaviour of phosphotungstic acid-ormosil nanocomposites, Materials Chemistry and Physics, 2015, 153, 410-421, [DOI 10.1016/j.matchemphys.2015.01.035]  (IF= 4.778)

 

 

2013-2014

 

  1. Elias P Ferreira-Neto,Sajjad Ullah,  Orlando A. E Ysnaga, Ubirajara Pereira Rodrigues-Filho,  Zn2+ doped ormosil–phosphotungstate hybrid films with enhanced photochromic response, Journal of Sol-Gel Science and Technology, 2014, 72(2), 290-300, [DOI 10.1007/s10971-014-3404-7] (IF=2.606)

 

  1. Elias P Ferreira-Neto, Flavio LS de Carvalho, Sajjad Ullah, Vinicius C Zoldan, André A Pasa, Adriano Lopes de Souza, Liliane C Battirola, Petra Rudolf, Sara Aldabe Bilmes, Ubirajara P Rodrigues-Filho. Surface structure and reactivity study of phosphotungstic acid-nitrogenated ormosils, Journal of Sol-Gel Science and Technology, 2013, 66 (3), 363-371, [DOI: 10.1007/s10971-013-3018-5] (IF=2.606)

 

  1. Sajjad Ullah, José Javier Sáez Acuña, André Avelino Pasa, Sara A Bilmes, Maria Elena Vela, Guillermo Benitez, Ubirajara Pereira Rodrigues-Filho. Photoactive layer-by-layer films of cellulose phosphate and titanium dioxide containing phosphotungstic acid, Applied Surface Science 2013, 277, 111-120, [DOI: 10.1016/j.apsusc.2013.04.011] (IF= 7.392)

 

BOOK CHAPTERS 

 

  1. Sajjad Ullah, Elias Paiva Ferreira-Neto, Saima Sohni, Akbar Ali, Rashida Parveen, Modification and derivatization of cellulose-based nanobiosorbents and their utilization in environmental remediation, In Micro and Nano Technologies, Nano-Biosorbents for Decontamination of Water, Air, and Soil Pollution, Elsevier, 2022, Pages 359-394, ISBN 9780323909129, https://doi.org/10.1016/B978-0-323-90912-9.00016-2 

 

  1. Luan Passini, Jeferson A Dias, Giovanna F.B. Goncalves, Sajjad Ullah, Elias P.F. Neto, Danilo Manzani, Halide-based perovskites in photonics: From photocatalysts to highly efficient optoelectronic devices, In Perovskite Ceramics: Recent Advances and Emerging Applications, Elsevier, 2022, pages 547-600, Paperback ISBN: 9780323905862, https://www.elsevier.com/books/perovskite-ceramics/huaman/978-0-323-90586-2 

 

Research Highlight:

 

  1. Chanchal Hazra, Sajjad Ullah, Laís, G. Caetano, York E. Serge Correales, Sidney J. L. Ribeiro,  Enhanced NIR-I Emission from Broadband Water-Dispersible NIR-II Dye-Sensitized Upconversion of Near-Infrared Light, published in Advances in Engineering, 2018 (click here to view the research highlight) 
  • Selection as young scientist globally for participation in 65th Lindau Nobel Laureate Meeting 2015, Lindau Germany, June 28-July 03, 2015

 

  • Selection for 2019 CAS-TWAS CEWE Water and Sanitation Training Program, 14-26  April 2019, Beijing, China

 

  •   Selection as young scientist for participation in TWAS/BVA.NXT 2016 and  BiovisionAlexandria, Alexandria, Egypt, 10-14 April 2016

 

  •  Best Resarch Paper Award (2015), Institute of Chemistry of Sao Carlos, University of Sao Paulo (IQSC-USP), SP, Brazil

 

 

 

 

  • First division throughout academic career
  1. Project title: Development of multifunctional bacterial cellulose-based hybrid photoactive membranes towards the design of antibacterial facemasks and self-cleaning temporary skin substitutes

            Project Amount: 4.8 million PKR

            Funding Agency: Higher Education Commission, Pakistan

 

  1. Project title: Development of efficient IR/Visible light-driven Photocatalysts for Photocatalytic Applications under Solar light radiation (year 2016-2018)

Funding agency: Sao Paulo Research foundation (FAPESP), Brazil under FAPESP Postdoctoral Fellowship Award

 

  1. Project title: Free-floating bacterial nanocellulose aerogel spheres (BCS) as porous support for metal oxides/sulfides photocatalysts/upconversion nanoparticles for continuous-flow water purification in advanced photocatalytic reactor assembly (2025), Funding agency: Sao Paulo Research foundation (FAPESP), under FAPESP Foreign visiting Researcher Award (grant 2023/04112-0)

 

Dr. Sajjad Ullah is reviewer of renowned international journals including

Analytical Methods, ACS Applied Biomaterials, Chemical Engineering, Carbohydrate Polymers, Materials Letters, Spectrochimica Acta Part A, Chemosphere, Catalysts, Brazilian Journal of Chemical Engineering, Electrocatalysis, Physica E, RSC Advances/Materials Advances, Royal Society Open Science, Advanced Materials Technologies, Coatings, Molecules, Crystals, Main Group Chemistry and Emergent Materials.

Dr. Sajjad is also Reviewer/evaluator of Research projects submitted to Pakistan Science Foundation (PSF) and Higher Education Commission (HEC), Pakistan.

Lists of Research Students/Projects Supervised

Dr. Sajjad has already supervised the research projects of 17 BS/master/M.Phil degree students at the Institute of Chemical Sciences, University of Peshawar (UoP), Pakistan. He has also co-supervised a Ph.D student at the Institute of Chemistry of Araraquara, State University of São Paulo, Araraquara, SP, Brazil (2022). 

 

Thesis/Dissertation supervised (completed):

(i). M.Phil Student Supervised

  1. AREESHA, Synthesis and characterization of bismuth oxyiodide nanoparticles for photocatalytic degradation of crystal violet dye                                                       

M.Phil degree thesis, Institute of Chemical Sciences, University of Peshawar, Pakistan (2025)

  1. FIZZA, Fabrication of Ag/Ag2O/Prussian blue deposited BiVO4 for photo-degradation of methylene blue using blue LEDs illumination.

M.Phil degree thesis, Institute of Chemical Sciences, University of Peshawar, Pakistan (2025)

3. IRUM BIBI, Degradation of crystal violet dye by Ag/Ag2o impregnated Bismuth vanadate: the role of oxidation state of silver

M.Phil degree thesis, Institute of Chemical Sciences, University of Peshawar, Pakistan (2025)

4. MOHAMMAD MUNEEB, The effect of silica on the physicohemcial properties of and photoactvity of BiVO4

M.Phil degree thesis, Institute of Chemical Sciences, University of Peshawar, Pakistan (Defense year 2024)

5. HAFIZ ULLAH, Photodegradation of crystal violet dye over silver/silver oxide loaded silica and Bismuth vanadate/phosphate based photocatalysts

M. Phil degree thesis, Institute of Chemical Sciences, University of Peshawar, Pakistan (defense year 2022)

6. ABRAR Ali Khan, Fabrication of Ag/Ag2O/Prussian Blue deposited BiVO4 for photo-catalytic reduction of Cr(VI) using blue LEDs Illumination, 2022

M. Phil degree degree thesis, Institute of Chemical Sciences, University of Peshawar, Pakistan (defense year 2022)

7. YORK ESTEWIN SERGE CORREALES, Development of Lanthanide Ions doped Fluoride based Upconversion Nanoparticles for Photocatalytic Applications = Desenvolvimento de Fluoretos Dopados com Íons Lantanídeos para Aplicações Fotocatalíticas via Conversão Ascendente de Energia.

PhD degree thesis (co-supervision), Institute of Chemistry of Araraquara, State University of São Paulo, Araraquara, SP, Brazil (Thesis defense: 29/11/2022).             

8. FAIZA, Metal/metal oxide loaded Bismuth Vanadate (BiVO4) for visible light photocatalysis under LED/solar light illumination

M. Phil degree thesis, Institute of Chemical Sciences, University of Peshawar, Pakistan (thesis defense date, 25 August, 2021)

  1. SANIA QURATULA-AIN, Synthesis of semiconductor oxides based binary aerogels/nanoparticles and evaluation of their photocatalytic performance

M. Phil degree thesis, Institute of Chemical Sciences, University of Peshawar, Pakistan (thesis defense date, 02-October-2020)

  1. KIFAYAT UR RAHMAN, Development of self-cleaning, photocatalytic and antibacterial composite self-supporting membranes based on bacterial cellulose and metal/metal oxides.

M.Phil degree thesis, Institute of Chemical Sciences, University of Peshawar, Pakistan (thesis defense date, 02-May-2019)

  1. GHAWS UR RAHMAN, Development of metal oxides nanostructured materials for photocatalytic removal of dyes from aqueous solution

M.Phil degree thesis, Institute of Chemical Sciences, University of Peshawar, Pakistan (theis defense date 15-05-2019)

 

Master degree/BS (Hons.) students supervised

  1. ABRAR Ali Khan, Preparation and photoactivity of BiVO4/Metals nanocompsite under LED illumination, 2019

BS (Hons) degree thesis, Institute of Chemical Sciences, University of Peshawar, Pakistan (2019)

  1. ABDULLAH, The effect of experimental conditions on the photocatalytic degradation of organic dyes using BiVO4 and BiVO4/metals system.

BS (Hons) degree thesis, Institute of Chemical Sciences, University of Peshawar, Pakistan (2019)

  1. SALEEM UR REHMAN, The effect of metals impregnation on adsorption and photocatalytic activity of titanium dioxide (TiO2)

Master degree thesis, Institute of Chemical Sciences, University of Peshawar, Pakistan (2015-16)

  1. RAHMUL KABIR, Modification of Bacterial Cellulose Membranes with Silver and Titanium dioxide Nanoparticle and its antibacterial activity, 2015.

Master degree thesis, Institute of Chemical Sciences, University of Peshawar, Pakistan (2014-15)

  1. MUHAMMAD DANIAL, Green synthesis of SDS-stabilized gold and silver nanoparticles using glycerol as reducing agent, 2015.

Master degree thesis, Institute of Chemical Sciences, University of Peshawar, Pakistan (2014-15)

  1. Waqar Ahmad and Muhammad Haneef Iqbal, Preparation and Characterization of Silver Phosphate (Ag3PO4) nanoparticles for Persulphate mediated degradation of Methylene blue (MB) dye in aqueous media (2024)

BS (Hons) degree thesis, Institute of Chemical Sciences, University of Peshawar, Pakistan (2024)

  1. AUGUSTO ARAUJO VUITI, CELLULOSE BASED HYDROGELS FOR WOUND DRESSING APPLICATIONS = Hidrogéis de cellulose para utilização em curativos (2023)

Master degree thesis (co-supervision), FEDERAL UNIVERSITY OF TECHNOLOGY – PARANÁ (UTFPR Toledo), Brazil (2023)

 

 

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  1. Aerogéis híbridos fotoativos com organização anisotrópica de poros para descontaminação e desinfecção de água em fluxo (Photoactive hybrid aerogels with anisotropic organization of pores for decontamination and disinfection of flowing water)

Principal Investigator: Elias Paiva Ferreira Neto, Sidney J. L Ribeiro (IQ-UNESP, SP, Brazil)

Funding Agency: The Brazilian National Council for Scientific and Technological Development (CNPq), Call CNPq/MCTI Nº 10/2023

  1. Fotoconversão de defensivos agrícolas em energia: estudo de novos materiais à base de óxidos de Nióbio com direto impacto no agronegócio brasileiro (Photoconversion of pesticides into energy: study of new materials based on Niobium oxides with direct impact on Brazilian agribusiness)

Principal Investigator: Heberton Wender Luiz dos Santos (Universidade Federal de Mato Grosso do Sul, UFMS)

Funding Agency; The Brazilian National Council for Scientific and Technological Development (CNPq, Ch. Nº 23/2022)

 

  1. FOTOCON Lab - Energy and green hydrogen photoconversion laboratory at UFMS-MS

Principal Investigator: Heberton Wender Luiz dos Santos (Universidade Federal de Mato Grosso do Sul, UFMS)

Funding Agency; The Brazilian National Council for Scientific and Technological Development (CNPq, Ch. Nº 23/2022) CNPq, Project number 408066/2022-9).

 

  1. Nanostructured Films: Impact of architecture on photoactive properties of films containing nanoparticles and phosphotungstates (polyoxometalates)

Principal Investigator: Professor Dr. Ubirajara Pereira Rodrigues-Filho, Instituto de Química de São Carlos/IQSC/USP

Funding agency: Sao Paulo Research foundation (FAPESP)

 

  1. Nanocompósitos Antimicrobianos de Hidroxiuretanas com Ácidos Inorgânicos

Principal Investigator: Professor Dr. Ubirajara Pereira Rodrigues-Filho (Instituto de Química de São Carlos/IQSC/USP)

Funding agency: Sao Paulo Research foundation (FAPESP) (Processo FAPESP: 2022/08020-0)

  1.  Lectures/seminars/interviews:

 

  1. Lecture on “Bacterial Cellulose-based Functional Membranes: From Antibacterial to Photocatalytic applications, University of Araraquara (UNIARA), Araraquara, SP, Brazil (Aug 11, 2022)
  1. A 03-days Workshop on the basics and use of material characterization techniques at the Institute of Chemistry of Araraquara, State University of São Paulo, Araraquara, SP, Brazil (27-29 July 2022)
  1. A one-day Workshop on the application of x-ray diffraction (XRD) and diffuse reflectance spectroscopy (DRS) for (nano)materials characterization at Institute of Chemistry, University of São Paulo (USP), Ribeirão Preto, SP, Brazil (Aug 04, 2022)
  1. Webinar on “Broad spectrum photocatalysts for environmental remediation under UV-visible-NIR illumination”, at The Center for Optics, Photonics and Lasers (COPL), Université Laval, Québec, Canada (Aug 05, 2022)
  1. Seminar on “the development of nanostructured supported and unsupported photocatalyst for in-batch and in-flow water purification”, at the Institute of Chemistry of Araraquara, State University of São Paulo, Araraquara, SP, Brazil (July 21, 2022)
  1. A 03-days Workshop on “Preparation and Characterization of Hybrid Materials” at the Federal University of Technology (UFTPR, Toledo), Paraná, Brazil  (Aug 16-18 2022)
  1. Webinar on “Photoactive materials for environmental remediation under UV-Vis-NIR illumination”, organized by INFI-UFMS, Brazil, May 08, 2020 (Link)
  1. Interview on: The use of solar concentrator for water purification using photocatalysis, (interview to GLOBO TV Brazil, link)
  1. Seminar on “Higher Education/Research in Brazil” at Quaid-e-Azam University Islamabad, arranged by The Brazilian Embassy in Islamabad, Pakistan, May 2016.
  1. One-day seminar on How to use Mendeley Desktop: Procedure and Guidelines, presented at the Department of Economics, University of Peshawar, 2016.
  1. Seminar on “Applying for TWAS Fellowship (TWAS-CNPq): Procedure and Guidelines, presented at Center Excellence in Physical Chemistry, University of Peshawar.
  1. Webinar on “Photoactive materials for environmental remediation under UV-Vis-NIR illumination” at Universität Bayreuth Fakultät für Ingenieurwissenschaften Lehrstuhl für Werkstoffverfahrenstechnik, Germany, dated 26-01-2021
  1.  Presentation in Scientific events/Conferences

2021-22

  1. Sajjad ULLAH*, Elias P. Ferreira Neto, Kifayat Ur Rahman, York E. Serge-Correales, Sidney J.L. Ribeiro, Nanostructured Photoactive materials for environmental remediation under UV-Vis-NIR illumination, International school on physics and allied disciplines, 14-18 March 2022, Islamabad, Pakistan (invited speaker)

2020-21

 

  1. Sajjad ULLAH, E. P. Ferreia Neto, Kifayat Ur Rahman, Thais Caroline Almeida d Silva, U.P. Rodrigues-Filho, S. J. L. Ribeiro, Bacterial Cellulose based Materials: From antibacterial to photocatalytic applications, XIX Brazilian MRS Meeting, August 30th to September 03rd, 2021 (invited Lecture).
  1. E. P. Ferreira Neto, Sajjad ULLAH,…Ubirajara Pereira Rodrigues Filho, Thermally stable SiO2@TiO2 core@shell nanoparticles for application in photocatalytic self-cleaning ceramic tiles, XIX Brazilian MRS Meeting, August 30th to September 03rd, 2021 (Oral presentation).
  1. E. P. Ferreira Neto, Sajjad ULLAH,…Sidney J.L Ribeiro, Bacterial nanocellulose/MoS2 hybrid aerogels for in-flow photocatalytic water treatment, XIX Brazilian MRS Meeting, August 30th to September 03rd, 2021 (Oral presentation).
  1. ULLAH Sajjad *, E. P. Ferreira Neto, Hazra, C., Rodrigues-Filho U. P., Ribeiro S.J. L. Visible/near-infrared active BiVO4/NaYbF4:Tm3+ photocatalysts for environmental remediation, 2020, 7th ISGS Online Summer School on Hybrid Materials: From Basics to Cutting Edge Applications celebrated from Sep 02-03 2020 (e-poster).
  1. York Estewin Serge Correales, Sajjad Ullah,…Sidney JL Ribeiro, Photocatalytic system based on upconverting particles/photocatalyst/oxidant NaYbF4:Tm3+/Ag3PO4/H2O2 activated under visible and near infrared light, XIX Brazilian MRS Meeting, August 30th to September 03rd, 2021 (e-Poster).

 

2018-19

  1. ULLAH, Sajjad, Hybrid photoactive materials based on metal oxides and lanthanide up conversion materials for environmental remediation, 2019 CAS-TWAS CEWE Training Program, 14-26 April 2019, Beijing-Yencheng, China (Oral presentation).
  1. ULLAH, Sajjad, Kifayat U Rahman, S. Q Aain, Elias P. F. Neto, Ghaus U Rahman, R. Parveen, A ndreia. S. Monteiro, Rafael R. Domeneguetti, Sidney J. L. Ribeiro Bacterial cellulose-based photoactive multifunctional hybrid membranes., I Encontro de Polímeros Naturais – EPNAT (First meeting on Natural Polymers, UNIARA, Araraquara-SP, 50-06 August 2019.
  1. ULLAH, Sajjad, C. Hazra, E. P. F. Neto, U.P. Rodrigues-Filho, S.J. L. Ribeiro, Broad-spectrum UV-to-NIR-active photocatalyst based on semiconductors and lanthanides-doped upconversion crystals, 8th International Conference on Optical, Optoelectronic and Photonic Materials and Applications, Maresias-SP (Brazil), August 26th  to 31st  2018 (Oral presentation).
  1. ULLAH, Sajjad, C. Hazra, E. P. F. Neto, U.P. Rodrigues-Filho, S.J. L. Ribeiro, Novel Hybrid Titania and Non-titania Photocatalytic systems for Photocatalysis under UV, Visible and Near-infrared Irradiation, 10th European meeting on Solar Chemistry and Photocatalysis: Environmental Applications (SPEA10), held in Almería, Spain, on June 4th– 8th  2018 (Oral presentation)

 

2014-17

 

  1. ULLAH, Sajjad, C. Hazra, E. P. F. Neto, T. Castro, U.P. Rodrigues-Filho, S.J. L. Ribeiro, Phase and shape-controlled synthesis of NaYF4: Yb3+/Tm3+ NIR-to-UV/Vis upconversion particles for the design of UV/NIR-active TiO2-based photocatalysts, 10th International conference on Nanophotonics (ICNP), July 2-5, 2017, Recife, PE-Brazil (Oral Presentation).
  1. ULLAH, Sajjad, Chanchal Hazra, Rodrigues-FILHO, U. P., Ribeiro, Sidney J. L. Ribeiro, Near-infrared active NaYF4: Yb3+/Tm3+@TiO2 photocatalyst with tailored morphology for photocatalytic applications using solar light, 2016, XVIII Brazilian Meeting on Inorganic Chemistry, September 2016, São Pedro, Brazil (Oral Presentation)
  1. ULLAH, Sajjad, Rodrigues-FILHO, U. P. An understanding of the effect of Core@shell Configuration on the Optical and Photocatalytic properties of Silica-supported TiO2, 2016, 4th International conference on Environmental Horizons, University of Karachi, Pakistan (Oral Presentation)
  1. Participation as young scientist in 65th Nobel Laureate Meeting 2015 Lindau Germany, June 28-July 03, 2015
  1. ULLAH, Sajjad, PASA, A., ACUNA, J. J. S., BILMES, SARA A., Rodrigues-FILHO, U. P. Low temperature phase selective synthesis and characterization of core@shell SiO2@TiO2 nanoparticles: the effect of shell-thickness and morphology on photoactivity and band-gap energy, 2014, 2014 MRS Spring Meeting & Exhibit, San Francisco, California
  1. FERREIRA-NETO, Elias P., ULLAH, Sajjad, Rodrigues-FILHO, U. P., Ysnaga O A L, Highly photochromic divalent metal doped ormosil-phosphotungstate hybrid films, 2014, 2014 MRS Spring Meeting & Exhibit, San Francisco, California
  1. FERREIRA-NETO, Elias P., ULLAH, Sajjad., Ysnaga O A L, Rodrigues-FILHO, U. P. Micro-XRF and XANES Study of Zn-doped ormosil-phosphotunsgtate hybrid films with enhanced photochromic response, 2014, 24th Annual User Meeting (RAU), Brazilian Synchotron Light Laboratory (LNLS/CNPEM), Campinas, SP, Brazil
  1.  ULLAH, Sajjad, ACUNA, J. J. S., PASA, A., BILMES, SARA A., VELA, M. E., B. Guillermo, Rodrigues-FILHO, U. P. Preparation, Characterization and Photoactivity of multilayer films of TiO2 and Polyoxometalates prepared using cellulose phosphate as an efficient binder molecule, 2014, 1st international symposium on nanoparticles/nanomaterials and applications, Caparica, Portugal. (Oral Presentation)

 

2011-13

  1. ULLAH, Sajjad, Rodrigues-FILHO, U. P., Photocatalytic, Self-cleaning and Optical properties of Silica/Titania hybrid Nanoparticles, 2013, 4th Meeting of nBioNet: Films and Sensors Network 2013, São Pedro, SP, Brazil.
  2.  ULLAH, Sajjad, ACUNA, J. J. S., Rodrigues-FILHO, U. P., Physical Characterization of Titania-polyoxometalates LbL film by Electron Microscopy, 2013, XII Meeting of SBPMat, Campos Do Jordão, SP, Brazil.
  1.  ULLAH, Sajjad, PORFIRIO, B. F. C., Rodrigues-FILHO, U. P., Soft Hydrothermal Treatment and Water-Induced Crystallization of Non-crystalline Titania as Greener, Phase-selective Routes for Anatase Synthesis, 2013, XII Meeting of SBPMat, Campos Do Jordão, SP, Brazil.
  1. ULLAH, Sajjad, Rodrigues-FILHO, U. P., Synthesis, Characterization and Photoactivity of Core-shell SiO2@TiO2 nanoparticles, 2013, XII Meeting of SBPMat, Campos Do Jordão, SP, Brazil (Oral Presentation).
  1. ULLAH, Sajjad., PORFIRIO, B. F. C., GONCALVES, L. P., RODRIGUES-FILHO, U. P. Effect of Hydrothermal Treatment on crystallinty of TiO2, 2012, Evento: XIV simpósio de Ciência e Engenharia de Materiais, Universidade de São Paulo, São Carlos, SP, Brazil.
  1.  ULLAH, Sajjad, RIBEIRAO, S. J. L., ACUNA, J. J. S., PASA, A., Rodrigues-FILHO, U. P., Preparation and Characterization of Photoactive LbL films of TiO2 on Bacterial cellulose, 2012, XI Encontro da SBPMat, Florianoplis.
  1. ULLAH, Sajjad., ACUNA, J. S., Rodrigues-FILHO, U. P., TEM study of Titaniumdioxide-Polyoxometalatesnanocomposite, 2012, II USP Conference on Nanotechnolgy, Broa, Itirapina, SP, Brazil.
  1. ULLAH, Sajjad, Rodrigues Filho, U.P., IMASATO, H., J.L, S., Phosphotungstic Acid Self-Assembling on Titanium Dioxide covered with cellulose phosphate, 2011, nBioNet Workshop, Hotel Estância Atibainha, SP, São Carlos.
  1. ULLAH, Sajjad., RIBEIRAO, S. J. L., ACUNA, J. J. S., PASA, A., RODRIGUES-FILHO, U. P. Photodegradation of Crystal Violet on nanostructured films of Titanium dioxide formed on different substrates using the LbL assembly technique, 2011, International and 22nd National Chemistry Conference, Department of Chemistry and Biochemistry, University of Agriculture Faisalabad, Pakistan.
  1. ULLAH, Sajjad., Rodrigues Filho, U.P., Preparation and Characterization of Phosphotungstic acid-loaded TiO2 LBL Films Using Two Different Polyelectrolytes, 2011, nBioNet Workshop 2011, Atibainha, Dom Pedro, SP, Brazil

 

 

 

http://lattes.cnpq.br/0253918004801724 (CNPq Lattes)

http://www.uop.edu.pk/departments/Teaching-Faculty/?r=228&q=DrSajjad-Ullah (Professional)

http://www.researcherid.com/rid/D-9782-2014  (MyResearcherID)

https://orcid.org/0000-0001-9931-690X (ORCID ID)

https://scholar.google.com.br/citations?user=rMBEW_0AAAAJ&hl=en  (MyCitations)

https://www.researchgate.net/profile/Sajjad_Ullah2  (ResearchGate)

https://www.scopus.com/authid/detail.uri?authorId=55624781800  (Scopus ID: 55624781800)