Organic photovoltaics incorporating new fulleroisoquinolinones and fulleroindolines as n-type materials: Syntheses and performance studies

Shih-Ching Chuang*, Chih Ping Chen

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

Abstract

Solar energy technology is arguably the cleanest approach toward power generation. Thin films of materials possessing both electron accepting and donating functions play a unique role in solar energy technology because of their light weight, flexibility, and economical, low-temperature, and large-area fabrication. Because fullerene derivatives (for examples, [6,6]-phenyl-C61 butyric acid methyl ester, PCBM) are good electron acceptors, they have become useful materials in thin film organic photovoltaics (OPVs). Since recent studies of OPVs have been heavily relied on PCBM, we think that developing new n-type materials remains an intriguing route for achieving higher PCE solar cells. In this paper, fulleroisoquinolinones and fulleroindolines, with suitable solubilizing functionalities, have been synthesized by Palladium-catalyzed annulation of benzamides or anilides with C60. A device incorporating fulleroisoquinolinones or fulleroindolines and the conjugated polymer P3HT exhibited power conversion efficiency up to 2.3% under AM 1.5 irradiation.

Original languageEnglish
JournalACS National Meeting Book of Abstracts
StatePublished - 1 Dec 2011
Event242nd ACS National Meeting and Exposition - Denver, CO, United States
Duration: 28 Aug 20111 Sep 2011

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