Synthesis and characterization of novel conjugated polymers based on 3-cyclobutene-l,2-dione moiety |
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| Authors: | Er Fu Huoa Yong Zoua Hui Qin Sunb Yan Huang Zhi Yun Lua Qing Jianga a College of Chemistry.Sichuan University Chengdu China b Analytical & Testing Center Sichuan University China |
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| Affiliation: | Er Fu Huo~a,Yong Zou~a,Hui Qin Sun~b,Yan Huang~(a,*),Zhi Yun Lu~a,Qing Jiang~a a College of Chemistry.Sichuan University,Chengdu 610064,China b Analytical & Testing Center,Sichuan University,China |
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| Abstract: | Three novel conjugated polymers bearing 3,4-bis(4-hexylthiophen-2-yl)-3-cyclobutene-1,2-dione unit in their main chain have been synthesized successfully in good yields through Suzuki or Stille coupling reaction.Their molecular structures have been confirmed by FT-IR,~1H NMR and ~(13)C NMR.All these copolymers exhibit broad and strong absorption bands in UV-vis region,and their optical band gaps are calculated to be 1.6-2.0 eV.suggesting that they have good coverage with the solar spectrum.These polymers ha... |
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| Keywords: | Conjugated polymers 3-Cyclobutene-1 2-dione High electron affinity Photovoltaic materials |
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