New Acetylene‐Bridged 9,10‐Conjugated Anthracene Sensitizers: Application in Outdoor and Indoor Dye‐Sensitized Solar Cells

Advanced Energy Materials - Tập 7 Số 18 - 2017
Yogesh S. Tingare1, Vinh Sơn Nguyễn2, Hsien‐Hsin Chou1, Yu‐Chieh Liu2, Yean‐San Long3, Teng‐Chun Wu3, Tzu‐Chien Wei2, Chen‐Yu Yeh1
1Department of Chemistry and Research Center for Sustainable Energy and Nanotechnology, National Chung Hsing University, Taichung 402, Taiwan
2Department of Chemical Engineering, National Tsing Hua University, Hsinchu 300, Taiwan
3Center for MeasurementStandards, Industrial Technology Research Institute, Rm 213A, Bldg. 3, No. 321, Sec. 2, Kuang Fu Rd., Hsinchu, 30011 Taiwan

Tóm tắt

In this report, a pivotal improvement in the performance of dye‐sensitized solar cells has been achieved, thus taking it one step closer toward the commercialization. Through the stepwise modification on the anthracene‐based organic sensitizers, the alteration of alkyl to alkoxy chain and incorporation of electron deficient moieties in the new sensitizing dyes TY3, TY4, and TY6 are found to play a significant role in the efficiency enhancement. The dye TY6, when tested under 1 sun (AM 1.5G) illumination, is found to exhibit the best efficiency of 8.08% in the series reported here. Taking it further, sensitizer TY6 achieves a milestone by displaying an efficiency of 28.56% when tested under T5 fluorescent illumination of 6000 lux and 20.72% under same illuminance from a commercial light emitting diode light source. Such an excellent performance can be attributed to its outstanding J SC and V OC, which are characteristic properties of these anthracene dyes.

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Advanced Energy Materials

Tập 7 Số 18

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