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Sonochemical synthesis of crystalline nanoporous zinc oxide spheres and their application in dye‐sensitized solar cells
Author(s) -
Chen Siguang,
Kumar Rangari Vijaya,
Gedanken Aharon,
Zaban Arie
Publication year - 2001
Publication title -
israel journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.908
H-Index - 54
eISSN - 1869-5868
pISSN - 0021-2148
DOI - 10.1560/hq1v-8kag-5kqk-e91f
Subject(s) - chemistry , nanoporous , dye sensitized solar cell , zinc , chemical engineering , polyvinyl alcohol , annealing (glass) , porosity , composite number , oxide , solar cell , polymer , spheres , electrode , composite material , materials science , electrolyte , organic chemistry , optoelectronics , engineering , physics , astronomy
A composite material made of zinc oxide and polyvinyl alcohol was prepared by a sonochemical method. Annealing of the composite under air removed the polymer, leaving porous spheres of ZnO. This change was accompanied by a change of the surface area from 2 m 2 /g to 34 m 2 /g. The porous ZnO particles were used as the electrode material for dye‐sensitized solar cells (DSSCs). It was tested by forming a film of the doped porous ZnO on a conductive glass support. The performance of the solar cell is reported.