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Proceedings Paper

Semiconductor overlayers for protecting silver nanoparticles of dye sensitized solar cells based on atomic layer deposition
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Paper Abstract

Silver nanoparticles have been found many interesting applications, such as absorption amplifiers in dye-sensitized solar cells. However, silver nanoparticles are easily oxidized. In order to protect silver nanoparticles, atomic layers of TiO2were deposited onto silver nanoparticles coated to a glass slide. Then the glass slide was exposed to corrosive I-/I3- solutions, and the degree of silver etching was measured via scanning electron microscopy (SEM) and ultraviolet-visible spectroscopy (UVS). It was found that 3 nm (30 cycles) of Al2O3 with 9 nm of (90 cycles) TiO2 could completely protect silver nanoparticles from oxidization.

Paper Details

Date Published: 17 December 2011
PDF: 6 pages
Proc. SPIE 8312, Display, Solid-State Lighting, Photovoltaics, and Optoelectronics in Energy III, 83120W (17 December 2011); doi: 10.1117/12.905653
Show Author Affiliations
Xiaolan Sun, Shanghai Univ. (China)
Xiaohong Liu, Shanghai Univ. (China)
Chao Li, Shanghai Univ. (China)
Libin Xie, Shanghai Univ. (China)
Yanhua Dong, Shanghai Univ. (China)

Published in SPIE Proceedings Vol. 8312:
Display, Solid-State Lighting, Photovoltaics, and Optoelectronics in Energy III
Min Gu, Editor(s)

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