Efficient Polymer Solar Cells Based on a Low Bandgap Semi‐crystalline DPP Polymer‐PCBM Blends | Zendy

Liu Feng | Zendy; Gu Yu | Zendy; Wang Cheng | Zendy; Zhao Wei | Zendy; Chen Dian | Zendy; Briseno Alejandro L. | Zendy; Russell Thomas P. | Zendy

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Efficient Polymer Solar Cells Based on a Low Bandgap Semi‐crystalline DPP Polymer‐PCBM Blends

Author(s) -

Liu Feng,

Gu Yu,

Wang Cheng,

Zhao Wei,

Chen Dian,

Briseno Alejandro L.,

Russell Thomas P.

Publication year - 2012

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.201200902

Subject(s) - materials science , polymer , morphology (biology) , characterization (materials science) , band gap , nanotechnology , solar cell , chemical engineering , polymer science , optoelectronics , composite material , genetics , engineering , biology

Solar cell performance and morphology characterization of a diketopyrrolopyrrole‐based low bandgap polymer is reported. The polymer adopts an H‐type aggregation and solvent mixture processing gives a better morphology. The morphology evolution is characterized by combined GIXD and GISAXS experiments and a four step morphology development mechanism is proposed.

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