A polythiophene derivative with dioctyloxyltriphenylamine‐vinylene conjugated side chain: Synthesis, hole mobility, and photovoltaic property | Zendy

Wan Meixiu | Zendy; Sang Guangyi | Zendy; Zou Yingping | Zendy; Tan Songting | Zendy; Li Yongfang | Zendy

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A polythiophene derivative with dioctyloxyltriphenylamine‐vinylene conjugated side chain: Synthesis, hole mobility, and photovoltaic property

Author(s) -

Wan Meixiu,

Sang Guangyi,

Zou Yingping,

Tan Songting,

Li Yongfang

Publication year - 2009

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.29921

Subject(s) - materials science , polythiophene , side chain , thermogravimetric analysis , triphenylamine , cyclic voltammetry , gel permeation chromatography , polymer chemistry , polymer , thermal stability , pedot:pss , dispersity , polymer solar cell , stille reaction , conjugated system , chemical engineering , conductive polymer , chemistry , organic chemistry , electrode , electrochemistry , engineering , composite material

A new polythiophene derivative with dioctyloxyl triphenylamine‐vinylene ( DOTPAV ) conjugated side‐chain, DOTPAV‐PT , was synthesized by the Stille coupling method and characterized by 1 H‐NMR, 13 C‐NMR, elemental analysis, gel permeation chromatography, thermogravimetric analysis, UV–vis absorption spectroscopy, photoluminescence spectroscopy, and cyclic voltammetry. The polymer DOTPAV‐PT is soluble in common organic solvents and possesses good thermal stability with 5% weight loss temperature of 310°C. The weight‐average molecular weight of DOTPAV‐PT is 8.0 K with a polydispersity index of 1.24. The hole mobility of the polymer determined from space‐charge‐limited current model was 1.25 × 10 −4 cm 2 V −1 s −1 . The bulk heterojunction polymer solar cell with the configuration of ITO/PEDOT : PSS/polymer : PCBM (1 : 1)/Ca/Al was fabricated, and the power conversion efficiency of the device was 0.16% under the illumination of AM1.5, 100 mW cm −2 . © 2009 Wiley Periodicals, Inc. J Appl Polym Sci, 2009

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