In situgrowth of mirror-like platinum as highly-efficient counter electrode with light harvesting function for dye-sensitized solar cells

In this work, we prepared a continuous nanostructured Pt-mirror film with metallic lustre and good adhesion to the F-doped tin oxide conducting glass (FTO) substrate through a simple in situgrowth method, which retains a good catalytic activity and more importantly, exhibits significant light reflec...

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Published inJournal of materials chemistry. A, Materials for energy and sustainability Vol. 2; no. 6; pp. 1641 - 1646
Main Authors Zhang, Nan Nan, Zhang, Bo, Li, Yu Hang, Hou, Yu, Yang, Shuang, Zhong, Ju Hua, Yang, Hua Gui
Format Journal Article
LanguageEnglish
Published 01.01.2014
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Summary:In this work, we prepared a continuous nanostructured Pt-mirror film with metallic lustre and good adhesion to the F-doped tin oxide conducting glass (FTO) substrate through a simple in situgrowth method, which retains a good catalytic activity and more importantly, exhibits significant light reflection for light-harvesting. The dye-sensitized solar cells (DSCs) fabricated with Pt-M CE exhibited superior photovoltaic performance compared with the conventional Pt CE. The enhancements of the short-circuit current density and energy conversion efficiency are 15.3% and 18.5%, respectively. Such significant enhancement of the short-circuit current density was found to be related to the excellent light reflection and high catalytic activity of the Pt-M CE. This has been proved by ultraviolet and visible reflection spectra (UV/Vis), electrochemical impedance spectroscopy (EIS) and cyclic voltammetry (CV).
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ISSN:2050-7488
2050-7496
DOI:10.1039/c3ta13979d