Novel quasi-cube TiO2 nanoparticles as light-scattering layers for dye-sensitized solar cells

Please use this identifier to cite or link to this item: https://ir.lib.ncu.edu.tw/handle/987654321/100724

Title:	Novel quasi-cube TiO2 nanoparticles as light-scattering layers for dye-sensitized solar cells
Authors:	李文仁;Chen, Huei-Siou;Lin, Hsuan-Ching;Su, Chaochin;Shen, Ming-Tai;Li, Wen-Ren
Contributors:	理學院化學學系
Keywords:	Anatase
Date:	2013-09-10
Issue Date:	2026-04-21 14:12:01 (UTC+8)
Publisher:	Springer Netherlands
Abstract:	摘要： The microstructure design of TiO sub(2) nanoparticles for photoanodes is an important issue in optimization of dye-sensitized solar cell (DSSC) performance. Up to date, the nanostructured TiO sub(2) particles have been extensively employed as active layers. However, less attention has been focused on the development of various TiO sub(2) nanostructures as the light-scattering layers (LSLs). In the present work, a facile hydrothermal method was utilized to prepare quasi-cube TiO sub(2) (qcTiO sub(2)) nanoparticles as the LSL for the DSSC photoanode. The anatase qcTiO sub(2) nanoparticles had a size distribution of 30-60 nm. The photoconversion efficiency of the cell with the qcTiO sub(2) LSL was enhanced 12 %, compared to the TiO sub(2) film without a scattering layer. The above enhancement was further vindicated by the incident photon-to-current efficiency measurement. The effect of the qcTiO sub(2) LSL on electron transport and charge recombination of the DSSC was studied by electrochemical impedance spectroscopy. The experiment results revealed that the enhanced photovoltaic performance is attributed to the better light-harvesting capacity, longer electron life time, and less charge recombination of the qcTiO sub(2) nanoparticles. 出版日期： 2013-08-01 出處： Journal of nanoparticle research : an interdisciplinary forum for nanoscale science and technology, 2013-08, Vol.15 (8), p.1-7 識別號： ISSN: 1388-0764 識別號： EISSN: 1572-896X 識別號： DOI: 10.1007/s11051-013-1836-6
Appears in Collections:	[Department of Chemistry] journal & Dissertation

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