Dr.  Sajjad Ullah is  full Lecturer, in the Institute of Chemical Sciences, University of Peshawar, Pakistan. He is currently on study leave from University of Peshawar, pursuing his postodoctral research studies in Brazil.He received his PhD degree from the Institute of Chemistry of Sao Carlos (IQSC), University of Sao Paulo (USP) Brazil in 2014 and his Master degree (M.Sc) in analytical chemistry from University of Peshawar-Pakistan in 2006. He worked as Lecturer in chemistry , University of Science and Technology(USTB), KP, Pakistan "Teaching analytic chemistry, spectroscopic, chromatographic and electro-analytical techniques to graduate students and supervision of their laboratory work/activities"  Abdul Wali KAhn 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"   

Development of UV/visible/NIR light active nanometric semiconductor photocatalysts for pollutants degradation,environmental clean-up and water purification