Dr.Sajjad Ullah

Dr.Sajjad Ullah

Ph.D , Brazil (2014) in Chemistry
Research Interest:  Development of UV/visible/NIR light active nanometric semiconductor photocatalysts for pollutants degradation,environmental clean-up and water purification
Telephone: +92919216652
Resume: [ Download ]

Dr. Sajjad Ullah is a regular full-time faculty member of the Institute of Chemical Sciences, University of Peshawar. He received his PhD degree from the Institute of Chemistry of São Carlos (IQSC), University of São Paulo (USP) Brazil in 2014 and his Master degree (M.Sc) in analytical chemistry from University of Peshawar-Pakistan in 2006. He worked as a postodoctral researcher (2016-18) at State University of São Paulo (IQ-UNESP), Brazil.  His research focusses on the development of visible light active nanometric semiconductor photocatalysts, Rare-earth metalas-based upconversion, ORMOSIL-polyoxometalates hybrid photoactive materials, thin photoactive/self-cleaning films preparation, core@shell nanoparticles, organic-inorganic hybrid materials, sol-gel chemistry, water purification, photochromism and photocatalysis

Teaching Experience

2015 to Present,  Assistant Professor, Institute of Chemical Sciences, University of Peshawar, Peshawar, KP Pakistan "Teaching analytic chemistry, spectroscopic to graduate students and supervision of their laboratory work/ reserach project/activities.

2010 to 2015,  Lecturer in Chemistry, Institute of Chemical Sciences, University of Peshawar, Peshawar, KP Pakistan "Teaching analytic chemistry, spectroscopic to graduate students and supervision of their laboratory work/ reserach project/activities.

08/2009 - 12/2009 Lecturer in Chemistry, Abdul Wali Khan University, Department of Chemisrty,Mardan, KP, Pakistan "Teaching analytic chemistry, spectroscopic and electro-analytical techniques to graduate students and supervision of their laboratory work/activities" 

01/2008 - 08/2009 Lecturer in Chemistry, University of Science and Technology Bannu (USTB), KP, Pakistan "Teaching analytic chemistry, spectroscopic, chromatographic and electro-analytical techniques to graduate students and supervision of their laboratory work/activities" 

03/2007 - 01/2008 Lecturer in Chemistry, Government Degree College Tangi, Tangi, Charsadda, KP. Pakistan " Teaching General Chemistry to undergraduate and graduate students and supervision of their laboratory work/activities"

Administrative Experience

Warden Student Hostel: University of Science and Technology Bannu, KP, Pakistan, 03/2008 - 08/2009

Member of Seminar/conference committee: University of Peshawar, KP, Pakistan, 09/2014 - present

Honors and Awards

List of Publications

(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, 2018, Applied Catalysis B: Environmental  (DOI: 10.1016/j.apcatb.2018.09.091)

(2) 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, v201, p384-389 (DOI: 10.1016/j.jlumin.2018.04.041)

(3) C.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, v6, p4777-4785 (DOI: 10.1039/C8TC00335A)

(4) 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,v6, p153-161  doi: 10.1039/C7TC02638B

(5) 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]

(6)   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 19, 3465-3475, 2017, [DOI: 10.1039/C7CE00809K]

(7)   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 Photoactivity of core@shell SiO2@TiO2, Applied Catalysis B: Environmental 179, 333–343, 2015. [DOI:10.1016/j.apcatb.2015.05.036]

(8)   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,17 (10), 418, 2015, [doi: 10.1007/s11051-015-3223-y]

(9)   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 2015, Journal of the Brazilian Chemical Society [DOI: 10.5935/0103-5053.20150282] 

(10)   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, 76(2), 368-395, 2015 [DOI: 10.1007/s10971-015-3787-0]

(11)   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, Journal of Material Chemistry and Physics, 153, 410-421, 2015 [DOI 10.1016/j.matchemphys.2015.01.035]

(12)   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, 72(2), 290-300, 2014 [DOI 10.1007/s10971-014-3404-7]

(13) 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, 66 (3), 363-371, 2013 [DOI: 10.1007/s10971-013-3018-5]

(14)  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 277, 111-120, 2013 [DOI: 10.1016/j.apsusc.2013.04.011]

 

Thesis/Dissertation supervised (completed):

  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
  2. 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
  3. SALEEM UR REHMAN, The effect of metals impregnation on adsorption and photocatalytic activity of titanium dioxide (TiO2), 2016, Master degree thesis, Institute of Chemical Sciences, University of Peshawar, Pakistan
  4. YORK ESTEWIN SERGE CORREALES, Desenvolvimento de Fluoretos Dopados com Íons Lantanídeos para Aplicações Fotocatalíticas via Conversão Ascendente de Energia, 2018, Master degree thesis (co-supervision), Institute of Chemistry of Araraquara, State University of São Paulo, Araraquara, SP, Brazil (June 2016-September  2018).

Thesis under Supervison (in Progress)

  1. ghaws ur rahman, Development of TiO2-based core shell nanostructured materials for photocatalytic removal of dyes from aqueous solution (in progress, expected to be concluded by August 2018), M.Phil degree thesis, Institute of Chemical Sciences, University of Peshawar, Pakistan
  2. KIFAYAT UR RAHMAN, Development of self-cleaning, photocatalytic and antibacterial composite self-supporting membranes based on bacterial cellulose and metal/metal oxides, (in progress, expected to be concluded by August 2018), M.Phil degree thesis, Institute of Chemical Sciences, University of Peshawar, Pakistan