Efficient and stable back-illuminated sub-module dye-sensitized solar cells by decorating SiO2 porous layer with TiO2 electrode

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题名:	Efficient and stable back-illuminated sub-module dye-sensitized solar cells by decorating SiO2 porous layer with TiO2 electrode
作者:	陳家原;Lee, Kun-Mu;Chen, Chia-Yuan;Tsai, Yi-Ting;Lin, Ling-Chuan;Wu, Chun-Guey
贡献者:	理學院化學學系
关键词:	dielectric spectroscopy;electric current;electrodes;lighting;photons;porous media;silica;solar cells;titanium dioxide;wavelengths
日期:	2013-07-07
上传时间:	2026-04-21 14:10:00 (UTC+8)
出版者:	Royal Society of Chemistry
摘要:	摘要： The present study focuses on enhancing the efficiency of back-illuminated dye-sensitized solar cells (DSCs) by incorporating a SiO₂ mesoporous layer on a TiO₂ electrode. The performance of the DSCs is investigated by incident photon conversion efficiency (IPCE) and electrochemical impedance spectroscopy (EIS). It is observed that the photocurrent increases when the TiO₂ electrode is coated with a SiO₂ layer, resulting in an increase in the incident light to the dye–TiO₂ electrode, especially in the wavelength range 400–600 nm. The TiO₂ electrode coated with 500 nm diameter mesoporous SiO₂ exhibits better device performance than that using 100 nm diameter SiO₂ particles. With this modification, the Ti foil-based flexible sub-module DSC (5 cm × 10 cm) shows a high conversion efficiency of 7.13% under illumination of 100 mW cm⁻² (AM 1.5), as well as good stability. 出版日期： 2013-01-01 出處： RSC advances, 2013-01, Vol.3 (25), p.9994-10000 資源來源： Royal Society of Chemistry 識別號： ISSN: 2046-2069 識別號： EISSN: 2046-2069 識別號： DOI: 10.1039/c3ra41687a
显示于类别:	[化學學系] 期刊論文

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