Microwave-assisted one-pot three-component polymerization of alkynes,aldehydes and amines toward amino-functionalized optoelectronic polymers |
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Authors: | Tao Jia Nan-nan Zheng Wan-qing Cai Jie Zhang Lei Ying Fei Huang Yong Cao |
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Affiliation: | Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices,South China University of Technology, Guangzhou 510640, China |
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Abstract: | We present a microwave-assisted one-pot polymerization with three-components of alkynes, aldehydes and amines for the synthesis of new amino-functionalized optoelectronic polymers. The polymerization of diynes(1a-1c), dialdehydes(2a and 2b) and dibenzylamine catalyzed by InCl_3 was carried out smoothly within 1h under microwave radiation, yielding four soluble polymers with high molecular weights. The resulting polymers P1 and P2 could be easily dissolved in alcohol and thus utilized as the cathode interlayer for polymer solar cells(PSCs). Compared with the control device, the PSCs with P1 and P2 as the cathode interlayer and PTB7-Th:PC_(71)BM as the photoactive layer exhibited significantly higher power conversion efficiencies(PCEs) of 9.49% and 9.16%, respectively. These results suggest that this polycoupling reaction is an efficient approach to construct three-component polymers for the practical applications. |
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Keywords: | One-pot three-component polymerization Polymer solar cells Cathode interlayer |
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