Morphological stability of organic solar cells based upon an oligo(p-phenylenevinylene)–C70 dyad

Seiichiro Izawa; Kazuhito Hashimoto; Keisuke Tajima

doi:10.1039/C2CP43043F

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Morphological stability of organic solar cells based upon an oligo(p-phenylenevinylene)–C₇₀ dyad†

Seiichiro Izawa,^a Kazuhito Hashimoto*^ab and Keisuke Tajima*^ab

Author affiliations

* Corresponding authors

^a Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
E-mail: k-tajima@light.t.u-tokyo.ac.jp, hashimoto@light.t.u-tokyo.ac.jp

^b HASHIMOTO Light Energy Conversion Project, Exploratory Research for Advanced Technology (ERATO), Japan Science Technology Agency (JST), Japan

Abstract

An oligo(p-phenylenevinylene)–C₇₀ dyad achieves the highest power conversion efficiency (1.92%) in dyad-based organic solar cells to date. Covalent attachment in the dyad prevents large phase separation, resulting in good morphological and device stability at high temperatures as compared with mixed bulk heterojunction devices.

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Article information

DOI: https://doi.org/10.1039/C2CP43043F
Article type: Paper
Submitted: 31 Aug 2012
Accepted: 04 Oct 2012
First published: 04 Oct 2012

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Phys. Chem. Chem. Phys., 2012,14, 16138-16142

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Morphological stability of organic solar cells based upon an oligo(p-phenylenevinylene)–C₇₀ dyad

S. Izawa, K. Hashimoto and K. Tajima, Phys. Chem. Chem. Phys., 2012, 14, 16138 DOI: 10.1039/C2CP43043F

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