Improving the Ordering and Photovoltaic Properties by Extending  π –Conjugated Area of Electron‐Donating Units in Polymers with D‐A Structure | Zendy

Huang Ye | Zendy; Guo Xia | Zendy; Liu Feng | Zendy; Huo Lijun | Zendy; Chen Yuning | Zendy; Russell Thomas P. | Zendy; Han Charles C. | Zendy; Li Yongfang | Zendy; Hou Jianhui | Zendy

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Improving the Ordering and Photovoltaic Properties by Extending π –Conjugated Area of Electron‐Donating Units in Polymers with D‐A Structure

Author(s) -

Huang Ye,

Guo Xia,

Liu Feng,

Huo Lijun,

Chen Yuning,

Russell Thomas P.,

Han Charles C.,

Li Yongfang,

Hou Jianhui

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.201200995

Subject(s) - materials science , photovoltaics , photovoltaic system , conjugated system , polymer , organic solar cell , energy conversion efficiency , order (exchange) , nanotechnology , engineering physics , polymer science , optoelectronics , electrical engineering , physics , composite material , business , engineering , finance

A systematic molecular design process from PBDTTT‐S to PBDTDTTT‐S‐T , a high‐performance semiconducting polymer for organic photovoltaics, has been achieved by enhancing structural order, self‐assembly and carrier mobility. Solar cells made from PBDTDTTT‐S‐T blended with PC 70 BM show a power conversion efficiency (PCE) of 7.81%, which is 25% higher than that of the parent PBDTTT‐S .

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