Influence of defect density on the ZnO nanostructures of dye-sensitized solar cells

doi:10.1007/s40436-013-0046-x

Abstract

Abstract: The relationship between bilayer nanostructure,defect density and dye-sensitized solar cell (DSCC) performances was investigated. By adjusting bilayer nanostructures,defect density of ZnO nanodendrite-nanorods structure was decreased comparing to that of nanoflowernanorods structure. The performances of DSCC based on ZnO nanodendrites-nanorods structure and nanoflowernanorods structure were studied by Raman spectrum, room
temperature photoluminescence, dye loading, photocurrent density-voltage characteristic and open-circuit voltage decay (OCVD) technique. The device with nanodendritenanorods structure has lower charge recombination rate and prolonged electron lifetime due to its microstructure feature.

Key words: ZnO , Bilayer , Nanostructure , Nanodendrite-nanorods defect , Dye-sensitized solar cells

Yan-Yan Lou Shuai Yuan Yin Zhao Zhu-Yi Wang Li-Yi Shi. Influence of defect density on the ZnO nanostructures of dye-sensitized solar cells[J]. Advances in Manufacturing, 2013, 1(4): 340-345.

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