Binary Organic Photovoltaic Blends: A Simple Rationale for Optimum Compositions | Zendy

Müller Christian | Zendy; Ferenczi Toby A. M. | Zendy; CampoyQuiles Mariano | Zendy; Frost Jarvist M. | Zendy; Bradley Donal D. C. | Zendy; Smith Paul | Zendy; StingelinStutzmann Natalie | Zendy; Nelson Jenny | Zendy

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Binary Organic Photovoltaic Blends: A Simple Rationale for Optimum Compositions

Author(s) -

Müller Christian,

Ferenczi Toby A. M.,

CampoyQuiles Mariano,

Frost Jarvist M.,

Bradley Donal D. C.,

Smith Paul,

StingelinStutzmann Natalie,

Nelson Jenny

Publication year - 2008

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.200800963

Subject(s) - materials science , eutectic system , photovoltaic system , polymer , microstructure , phase (matter) , polymer solar cell , component (thermodynamics) , chemical engineering , organic solar cell , polymer blend , nanotechnology , composite material , organic chemistry , copolymer , thermodynamics , ecology , engineering , biology , chemistry , physics

Polymer/small molecule binaries , such as P3HT:PC 61 BM display eutectic phase behavior with optimum photovoltaic performance at slightly hypoeutectic compositions (with respect to polymer content). Such hypoeutectic blends readily solidify into a finely phase‐separated matrix surrounding primary crystals of the small‐molecular species. The resulting large interfacial area and component connectivity is a desirable microstructure for bulk‐heterojunction solar cells.

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