Quantum-dot-sensitized solar cells: Assembly of CdS-quantum-dots coupling techniques of self-assembled monolayer and chemical bath deposition

Sheng Chih Lin, Yuh Lang Lee, Chi Hsiu Chang, Yu Jen Shen, Yu Min Yang

研究成果: Article

230 引文 斯高帕斯(Scopus)

摘要

Two methods, coupling self-assembled monolayer and chemical bath deposition (CBD), were utilized to assemble cadmium sulfide (CdS) quantum dots (QDs) onto mesoporous Ti O2 films for dye-sensitized solar cell (DSSC) applications. Colloidal CdS QDs were first self-assembled on the Ti O2 surface. CBD was then introduced to replenish the incorporated amount and increase the coverage ratio of CdS QDs on the Ti O2 surface. The preassembled CdS QDs act as nucleation sites in the CBD process, forming a CdS nanofilm with an interfacial structure capable of inhibiting the recombination of injected electrons. An efficiency as high as 1.35% for the QD-sensitized DSSC was achieved using the present strategy.

原文English
文章編號143517
期刊Applied Physics Letters
90
發行號14
DOIs
出版狀態Published - 2007 四月 13

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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