Pentacene:: PTCDI-C13H27 molecular blends efficiently harvest light for solar cell applications

被引：77

作者：

Pandey, Ajay K. ^{[1
]}

Dabos-Seignon, Sylvie ^{[1
]}

Nunzi, Jean-Michel ^{[1
]}

机构：

[1] Univ Angers, Lab POMA, UMR 6136, CNRS,PPF Cellules Solaires Photovolta Plast, F-49045 Angers, France

来源：

APPLIED PHYSICS LETTERS | 2006年 / 89卷 / 11期

关键词：

D O I：

10.1063/1.2352800

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Solar cells exhibiting efficient photon harvesting are built from molecular blends of pentacene: PTCDI-C13H27. Absorption of the composition spans the whole visible spectrum with an onset at 730 nm. External quantum efficiency approaches unity at the peak absorption of pentacene. A 2.0% power conversion efficiency is obtained under 80 mW cm(-2) AM 1.5 illumination, with 8.6 mA cm(-2) short-circuit current. The comparison with bilayer devices suggests directions of improvement in conversion efficiency such as controlled growth of the blend layers. (c) 2006 American Institute of Physics.

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