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Growth of Comb-like ZnO Nanostructures for Dye-sensitized Solar Cells Applications

Ahmad Umar

Author Affiliations

Department of Chemistry, Faculty of Science, Advanced Materials and Nano-Engineering Laboratory (AMNEL), Najran University, P.O. Box 1988, Najran, 11001, Kingdom of Saudi Arabia

Nanoscale Research Letters 2009, 4:1004-1008  doi:10.1007/s11671-009-9353-3

Published: 29 May 2009


Dye-sensitized solar cells (DSSCs) were fabricated by using well-crystallized ZnO nanocombs directly grown onto the fluorine-doped tin oxide (FTO) via noncatalytic thermal evaporation process. The thin films of as-grown ZnO nanocombs were used as photoanode materials to fabricate the DSSCs, which exhibited an overall light to electricity conversion efficiency of 0.68% with a fill factor of 34%, short-circuit current of 3.14 mA/cm2, and open-circuit voltage of 0.671 V. To the best of our knowledge, this is first report in which thin film of ZnO nanocombs was used as photoanode materials to fabricate the DSSCs.

ZnO; Nanocombs; Dye-sensitized solar cells; Structural and optical properties