含有苯并[1,2-b:4,5-b']二噻吩部分的有机染料用于高效染料敏化太阳能电池。
Organic dyes incorporating the benzo[1,2-b:4,5-b']dithiophene moiety for efficient dye-sensitized solar cells.
机构信息
Department of Applied Chemistry, Tianjin University of Technology, Tianjin 300384, People's Republic of China.
出版信息
Org Lett. 2011 Oct 21;13(20):5424-7. doi: 10.1021/ol201858b. Epub 2011 Sep 29.
A new class of organic sensitizers incorporating a benzo[1,2-b:4,5-b']dithiophene (BDT) unit as conjugated spacer has been synthesized and successfully used for dye-sensitized solar cells (DSSCs). The length of the π-conjugated spacers has a strong impact on electro-optical properties of these dyes, leading to the conversion efficiencies ranging from 4.17 to 5.68% under AM 1.5 G irradiation. This result indicates that the BDT unit is a promising candidate in organic sensitizers.
一类新型的有机敏化剂，其包含苯并[1,2-b:4,5-b']二噻吩（BDT）单元作为共轭间隔物，已经被合成出来，并成功地用于染料敏化太阳能电池（DSSC）。π共轭间隔物的长度对这些染料的光电性能有很大的影响，在 AM 1.5 G 辐照下，其光电转换效率范围为 4.17%至 5.68%。这一结果表明 BDT 单元是有机敏化剂中很有前途的候选者。
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