Jx Nippon Oil Energy Corporation

Osaka Municipal Technical Research Institute

Kyoto University

Yuko Takao

Satoru Ikeda

Toshinobu Ohno

Fukashi Matsumoto

Kazuyuki Moriwaki

Susumu Yoshikawa

Soichi Uchida

Souichi Uchida

Takatoshi Ito

Toshiyuki Iwai

Takashi Sagawa

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

The present invention provides a novel methanofullerene derivative applicable as an organic semiconductor material in electronics devices such as organic FETs and electroluminescence devices and solar cells, represented by formula (I) wherein the average value ofC-NMR chemical shift values of carbons Cand Con FL, bonded to Cis 80.10 ppm or greater, wherein FL represents fullerenes, X1 and X2 are each an aromatic hydrocarbon, an alkyl group or the like, Cand Care carbon atoms on FL, bonded to C, and n is an integer of 1 to 10.

Methanofullerene derivatives and photoelectric conversion devices using same

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Osaka, Japan

Yuko Takao