The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 15, 2016
Filed:
Jan. 17, 2012
Toshinobu Ohno, Osaka, JP;
Yuko Takao, Osaka, JP;
Kazuyuki Moriwaki, Osaka, JP;
Fukashi Matsumoto, Osaka, JP;
Takatoshi Ito, Osaka, JP;
Toshiyuki Iwai, Osaka, JP;
Susumu Yoshikawa, Uji, JP;
Takashi Sagawa, Uji, JP;
Soichi Uchida, Tokyo, JP;
Satoru Ikeda, Tokyo, JP;
Toshinobu Ohno, Osaka, JP;
Yuko Takao, Osaka, JP;
Kazuyuki Moriwaki, Osaka, JP;
Fukashi Matsumoto, Osaka, JP;
Takatoshi Ito, Osaka, JP;
Toshiyuki Iwai, Osaka, JP;
Susumu Yoshikawa, Uji, JP;
Takashi Sagawa, Uji, JP;
Soichi Uchida, Tokyo, JP;
Satoru Ikeda, Tokyo, JP;
JX Nippon Oil & Energy Corporation, Tokyo, JP;
Osaka Municipal Technical Research Institute, Osaka-shi, Osaka, JP;
Kyoto University, Kyoto-shi, Kyoto, JP;
Abstract
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.