Synthesis, Characterization and Optoelectronic Properties of Benzodithiophene Based Copolymers for Application in Solar Cells

被引：9
作者：
Bathula, Chinna [1 ,2 ,3 ]
Badgujar, Sachin [1 ,4 ]
Belavagi, Ningaraddi S. [5 ]
Lee, Sang Kyu [1 ,4 ]
Kang, Youngjong [2 ,3 ]
Khazi, Imitiyaz Ahmed M. [5 ]
机构：
[1] Korea Res Inst Chem Technol, Energy Mat Res Ctr, Daejeon 305600, South Korea
[2] Hanyang Univ, Res Inst Nat Sci, Dept Chem, Seoul 133791, South Korea
[3] Hanyang Univ, Inst Nanosci & Technol, Seoul 133791, South Korea
[4] Univ Sci & Technol, Nanomat Sci & Engn Major, Taejon, South Korea
[5] Karnatak Univ, Dept Chem, Dharwad 580003, Karnataka, India
来源：
JOURNAL OF FLUORESCENCE | 2016年 / 26卷 / 01期
基金：
新加坡国家研究基金会;
关键词：
Benzodithiophene; Diketopyrrolopyrole; Stille reaction; Conjugate polymers; Optoelectronic stidies; ORGANIC PHOTOVOLTAIC CELLS; POWER CONVERSION EFFICIENCY; OPEN-CIRCUIT VOLTAGE; BAND-GAP POLYMERS; PERFORMANCE;
D O I：
10.1007/s10895-015-1724-9
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
This paper reports on the synthesis and characterization of novel donor-acceptor (D-A) conjugated polymers containing triisopropylsilylethyny(TIPS)benzo[1,2-b:4,5-b']dithiophene-diketopyrrolopyrrole (P1 and P2) through Stille co-polymerization method. Thermal stability, optical and electrochemical properties of these polymers were determined. Optical band gaps of the polymers as calculated from their film onset absorption edges were found to be 1.46 and 1.44 eV, respectively. Electrochemical studies revealed HOMO and LUMO energy levels to be -5.22, -5.60 eV, and -3.76, -4.16 eV, respectively. The polymers were thermally stable up to 400-440 A degrees C. Optoelectronic studies indicated that these materials to be promising candidates in solar cell applications.
引用
收藏
页码：371 / 376
页数：6
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