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https://irlib.pccu.edu.tw/handle/987654321/24292
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| Title: | Dipolar organic pyridyl dyes for dye-sensitized solar cell applications |
| Authors: | Chou, HH (Chou, Hsien-Hsin)
Hsu, CY (Hsu, Chih-Yu)
Hsu, YC (Hsu, Ying-Chang)
Lin, YS (Lin, Yu-Sheng)
Lin, JT (Lin, Jiann T.)
Tsai, CT (Tsai, Chiitang) |
| Contributors: | Dept Chem |
| Keywords: | Dye-sensitized solar cells
Pyridine
Dipolar compounds
Metal-free dyes |
| Date: | 2012-01 |
| Issue Date: | 2013-02-25 11:32:59 (UTC+8) |
| Abstract: | New dipolar dyes containing arylamine as the electron donor, 2-cyanoacrylic acid as the acceptor, and a conjugated spacer with incorporation of 2,5-pyridyl entity have been synthesized. Photophysical and electrochemical measurements, and theoretical computation were carried on these dyes. The solar cell devices using these dyes as the sensitizers exhibited light-to-electricity efficiencies in the range of 4.28-5.27%, which reaches 60-72% of N719-based device fabricated and measured under similar conditions. Better DSSC performance can be achieved with the dye where pyridine group is attached to thienyl or fluorenyl group because of favorable resonance energy and/or coplanarity for more effective charge transfer. (C) 2011 Elsevier Ltd. All rights reserved. |
| Relation: | TETRAHEDRON 卷: 68 期: 2 頁數: 767-773 |
| Appears in Collections: | [Department of Chemistry & Graduate Institute of Applied Chemistry ] journal articles
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