Photoresponse performance of Au (nanocluster and nanoparticle) TiO2: Photosynthesis, characterization and mechanism studies oleh Zaid H. Mahmoud, H.N.K. AL-Salman, Shaymaa Abed Hussein, Safaa Mustafa Hameed, Yassir Mohammed Nasr, Shahad Abdulhadi Khuder, Saad khudhur Mohammed, Usama S. Altimari, Gunel T. Imanova, Hamidreza Sayadi, Ehsan kianfar