Citation: Yan Jie REN, Fan Shun MENG, He TIAN, Sheng Min CAI. Highly Efficient Photosensitization of Mesoporous TiO₂ Electrode with a Cyanine Dye[J]. Chinese Chemical Letters, ;2002, 13(4): 379-380. shu

Highly Efficient Photosensitization of Mesoporous TiO₂ Electrode with a Cyanine Dye

1.
College of Chemistry and Molecular Engineering, Peking University, Beijing 100871;
2.
Institute of Fine Chemicals, East China University of Science and Technology, Shanghai 200237

Received Date: 17 August 2001

Fund Project: This work was supported by the National Natural Science Foundation of China (20073003 and 29836150).

A low cost cyanine dye,1,1-dimethyl-3-ethyl-2-[3-(1,3-dihydro-3,3-dimethyl-1-ethyl-5-carboxyl-2H-indol-2-ylidene)-1-propenyl]-1H-benz[e] indolium iodide (1) was synthesized and applied to sensitize mesoporous TiO₂ electrode.Photoresponse of the electrode was extended to the visible and remarkably high incident photon-to-current conversion efficiency (IPCE) over 70% was achieved from 500 nm to 600 nm.
- Cyanine dye,
- sensitization,
- photoelectrochemical cell,
- titanium dioxide
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