Issue 6, 2001
From the journal:

Chemical Communications

A coumarin-derivative dye sensitized nanocrystalline TiO2 solar cell having a high solar-energy conversion efficiency up to 5.6%

Kohjiro Hara,a   Kazuhiro Sayama,a   Yasuyo Ohga,b   Akira Shinpo,b   Sadaharu Sugab  and  Hironori Arakawa*a  

* Corresponding authors

a National Institute of Materials and Chemical Research (NIMC), 1-1 Higashi, Tsukuba, Ibaraki, Japan.
E-mail: h.arakawa@home.nimc.go.jp

b Hayashibara Biochemical Laboratories, Inc., 564-176 Fujita, Okayama, Japan

Abstract

It is found that newly synthesized coumarin derivatives work as highly efficient photosensitizers for dye-sensitized nanocrystalline TiO2 solar cells producing a 5.6% solar-light-to-electricity conversion efficiency, the highest efficiency so far among organic dye-sensitized solar cells, with a short-circuit current density of 13.8 mA cm−2, an open-circuit photovoltage of 0.63 V, and a fill factor of 0.63 under standard AM 1.5 irradiation (100 mW cm−2).

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Article information

DOI
https://doi.org/10.1039/B010058G
Article type
Communication
Submitted
18 dec 2000
Accepted
08 feb 2001
First published
06 mar 2001

Chem. Commun., 2001, 569-570

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A coumarin-derivative dye sensitized nanocrystalline TiO2 solar cell having a high solar-energy conversion efficiency up to 5.6%

K. Hara, K. Sayama, Y. Ohga, A. Shinpo, S. Suga and H. Arakawa, Chem. Commun., 2001, 569 DOI: 10.1039/B010058G

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