Kyoto University

Jx Nippon Oil Energy Corporation

Osaka Municipal Technical Research Institute

Takashi Sagawa

Satoru Ikeda

Susumu Yoshikawa

Toshinobu Ohno

Kazuyuki Moriwaki

Fukashi Matsumoto

Yuko Takao

Soichi Uchida

Takatoshi Ito

Toshiyuki Iwai

The present invention provides a fullerene derivative having an electron donating group adjacent to the fullerene nucleus, represented by formula (I) which exhibits a high LUMO energy and a high open circuit voltage based thereon and which is highly compatible with polymers and excellent in charge mobility and charge separation ability: wherein the encircled FL represents fullerene Cor C, Donor-Sub represents a substituent having at least one electron donating substituent atom located at a position apart from the fullerene nucleus by two bonds, R is hydrogen, Donor-Sub, an alkyl, cycloalkyl, alkoxy, alkoxy-substituted alkyl, alkoxy-substituted alkoxy, alkylthio-substituted alkoxy, alkylthio, alkylthio-substituted alkylthio, or alkoxy-substituted alkylthio group, having a total carbon atoms of 1 or more and 20 or fewer, or a benzyl or phenyl group, and n is an integer of 1 to 10.

Fullerene derivative and photoelectric conversion device using same

Growing community of inventors

Uji, Japan

Takashi Sagawa