Efficient microwave-mediated synthesis of fullerene acceptors for organic photovoltaics

Two different processes, namely the Bamford-Stevens and [4 + 2] Diels Alder reactions, have been optimized under microwave irradiation for the functionalization of fullerenes. In this manner, all the main C sub(60)- and C sub(70)-based acceptor derivatives for organic solar cells such as PCBM, DPM,...

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Bibliographic Details
Published in:RSC advances 2014-01, Vol.4 (108), p.63200-63207
Main Authors: Campisciano, Vincenzo, Riela, Serena, Noto, Renato, Gruttadauria, Michelangelo, Giacalone, Francesco
Format: Article
Language:English
Subjects:
Derivatives
Energy conservation
Fullerenes
Microwaves
Photovoltaic cells
Reaction time
Solar cells
Wastes
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Summary:Two different processes, namely the Bamford-Stevens and [4 + 2] Diels Alder reactions, have been optimized under microwave irradiation for the functionalization of fullerenes. In this manner, all the main C sub(60)- and C sub(70)-based acceptor derivatives for organic solar cells such as PCBM, DPM, BHN and ICBA, have been prepared in higher yields and shorter reaction times with respect to the reported data. These findings represent a step forward toward the wide production of cheaper organic solar cells as a consequence of the cost abatement of the acceptors given by higher yields, lower waste production, and reduced reaction time which means a strong energy saving.
ISSN:2046-2069
2046-2069
DOI:10.1039/C4RA10495A