List of Articles Somaye J Jafari Article 1 - Optical and photocatalytic properties Undoped and Mn-doped ZnO nanoparticles synthesized by hydrothermal method: Effect of annealing temperature Maryam Bordbar Seyed Mohammad Vasegh Somaye Jafari Ali Yeganeh Faal Iranian Journal of Catalysis , Issue 2 , Year , Spring 2015