Photocurrents of solar cells sensitized by aggregate-forming polyenes: Enhancement due to suppression of singlet–triplet annihilation by lowering of dye …

XF Wang, Y Koyama, H Nagae, Y Yamano, M Ito…

Index: Wang, Xiao-Feng; Koyama, Yasushi; Nagae, Hiroyoshi; Yamano, Yumiko; Ito, Masayoshi; Wada, Yuji Chemical Physics Letters, 2006 , vol. 420, # 4-6 p. 309 - 315

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Citation Number: 19

Abstract

Titania-based Grätzel-type solar cells were fabricated by the use of polyene dyes with various transition dipole moments. In the dye having the largest transition dipole among the samples, an aggregate was readily formed through dispersive interaction, and the photocurrent was increased when the dye concentration or the light intensity was lowered. This observation was ascribed to the suppression of the singlet–triplet annihilation ...

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