Electron transport properties in ZnO nanowire array/nanoparticle composite dye-sensitized solar cells

Chen Hao Ku, Jih Jen Wu

研究成果: Article同行評審

182 引文 斯高帕斯(Scopus)

摘要

A significant improvement of the efficiency of the ZnO nanowire (NW) dye-sensitized solar cell (DSSC) has been achieved by the chemical bath deposition of the dense nanoparticles (NPs) within the interstices of the vertical ZnO-NW anode. Impedance analyses of the electron transports in DSSCs reveal that the effective diffusion coefficient of an electron in the ZnO-NW array/NP composite anode falls between those in the ZnO-NW and Ti O2 -NP anodes. The superior performance of the ZnO-NW array/NP composite DSSC to the ZnO-NW cell is mainly ascribed to the enrichment of the light harvesting without significantly sacrificing the electron transport efficiency.

原文English
文章編號093117
期刊Applied Physics Letters
91
發行號9
DOIs
出版狀態Published - 2007

All Science Journal Classification (ASJC) codes

  • 物理與天文學(雜項)

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