Synthesis, Characterization and Photovoltaic Properties of Polyplatinaynes with Side Chain Functionalization by Different Electron-Accepting Group

被引:2
|
作者
Wang, Qiwei [1 ,2 ]
Jiang, Lu [1 ]
Li, Junlong [1 ]
Sun, Zelin [3 ,4 ]
Wong, Wai-Yeung [2 ,3 ,4 ]
机构
[1] Chengdu Univ, Sichuan Ind Inst Antibiot, Antibiot Res & Reevaluat Key Lab Sichuan Prov, Chengdu 610052, Peoples R China
[2] Hong Kong Baptist Univ, Dept Chem, Kowloon Tong, Waterloo Rd, Hong Kong, Peoples R China
[3] Hong Kong Polytech Univ PolyU, Dept Appl Biol & Chem Technol, Hung Hom, Hong Kong, Peoples R China
[4] PolyU Shenzhen Res Inst, Shenzhen 518057, Peoples R China
基金
中国国家自然科学基金;
关键词
Platinum; Metallopolymer; Synthesis; Intramolecular charge transfer; Photovoltaics; POLYMER SOLAR-CELLS; CONJUGATED POLYMERS; CONVENIENT SYNTHESIS; EFFICIENT; ENHANCEMENT; COMPLEXES; MOLECULES; NETWORK; BRIDGES; DESIGN;
D O I
10.1007/s10904-024-03064-w
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Four new solution-processable platinum-containing polyynes functionalized with triphenylamine backbone and different acceptor fragment in the side chain were synthesized and characterized by spectroscopic, thermal and optical methods. The main- and side-chains show different absorption features in the solar spectrum, resulting in broad absorption coverage of the whole visible region. By changing the acceptor group in the side chain, the photophysical properties including energy levels, absorption wavelength and bandgap of the polymers were finely tuned. As the strength of electron acceptor is increased, the power conversion efficiency (PCE) of organic polymer solar cells fabricated with these polymers as electron donor and (6,6)-phenyl-C61-butyric acid methyl ester (PCBM) as electron acceptor was increased. PCE of 1.35% can be obtained from solar cell based on the polyplatinayne with the dicyanovinyl side group under illumination of an AM 1.5 solar cell simulator in a 1:4 (polymer:PCBM) blend ratio.
引用
收藏
页码:2957 / 2966
页数:10
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