A High‐Light‐Harvesting‐Efficiency Coumarin Dye for Stable Dye‐Sensitized Solar Cells | Zendy

Wang Z.S. | Zendy; Cui Y. | Zendy; Hara K. | Zendy; Danoh Y. | Zendy; Kasada C. | Zendy; Shinpo A. | Zendy

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A High‐Light‐Harvesting‐Efficiency Coumarin Dye for Stable Dye‐Sensitized Solar Cells

Author(s) -

Wang Z.S.,

Cui Y.,

Hara K.,

Danoh Y.,

Kasada C.,

Shinpo A.

Publication year - 2007

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.200601020

Subject(s) - dye sensitized solar cell , materials science , energy conversion efficiency , coumarin , optoelectronics , organic dye , photochemistry , chemical engineering , electrode , organic chemistry , chemistry , engineering , electrolyte

A new coumarin dye (see figure) for use in dye‐sensitized solar cells (DSSCs) is reported. It exhibits near‐unity light harvesting efficiency and incident photon‐to‐electron conversion efficiency (see figure) over a wide spectral region in 6 μm transparent TiO 2 films. DSSCs based on this metal‐free organic dye show long‐term stability and power‐conversion efficiencies of around 6 % under continuous light‐soaking stress for up to 1000 h.

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