High‐Efficiency Polymer Solar Cells Enhanced by Solvent Treatment | Zendy

Zhou Huiqiong | Zendy; Zhang Yuan | Zendy; Seifter Jason | Zendy; Collins Samuel D. | Zendy; Luo Chan | Zendy; Bazan Guillermo C. | Zendy; Nguyen ThucQuyen | Zendy; Heeger Alan J. | Zendy

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High‐Efficiency Polymer Solar Cells Enhanced by Solvent Treatment

Author(s) -

Zhou Huiqiong,

Zhang Yuan,

Seifter Jason,

Collins Samuel D.,

Luo Chan,

Bazan Guillermo C.,

Nguyen ThucQuyen,

Heeger Alan J.

Publication year - 2013

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.201204306

Subject(s) - materials science , thiophene , open circuit voltage , methanol , charge (physics) , voltage , optoelectronics , organic chemistry , electrical engineering , chemistry , physics , particle physics , engineering

A significant enhancement of efficiency in thieno[3,4‐b]‐thiophene/benzodithiophene:[6,6]‐phenyl C71‐butyric acid methyl ester (PTB7:PC 70 BM) solar cells can be achieved by methanol treatment. The effects of methanol treatment are shown in an improvement of built‐in voltage, a decrease in series resistance, an enhanced charge‐transport property, an accelerated and enlarged charge extraction, and a reduced charge recombination, which induce a simultaneous enhancement in open‐circuit voltage ( V oc ), short‐circuit current ( J sc ), and fill factor (FF) in the devices.

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