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Electrospun Supramolecular Hybrid Microfibers from Conjugated Polymers: Color Transformation and Conductivity Evolution

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Abstract

A type of novel electrospun supramolecular hybrid microfibers comprising poly(9-(4-(octyloxy)-phenyl)-2,7-fluoren-9-ol) (PPFOH) and poly(N-vinylcarbazole) (PVK) are successfully prepared for intriguing multi-color emission properties. The supramolecular tunable PPFOH aggregation in PVK matrix endows the complex with a smart energy transfer behavior to obtain the multi-color emissions. In stark contrast to PVK fibers, the emission color of PPFOH/PVK fibers with an efficient dispersion of PPFOH fluorophores at a proper dope ratio can be tuned in a wide spectrum of blue (0.1%), sky blue (0.5%), nearly white (1%), cyan (2%), green (5%) and yellow (10%). Besides, conductive behaviors of the microfiber were demonstrated in accompany with the increment of the doping ratio of PPFOH to PVK. Successful fabrication of polymer light-emitting diode (PLED) based on the blended electrospun fiber provided a further evidence of its excellent electrical property for potential applications in optoelectronic devices.

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Acknowledgments

This work was financially supported by the Six Peak Talents Foundation of Jiangsu Province (Nos. XCL-CXTD-009 and XYDXX-019), the National Natural Science Foundation of China (Nos. 22075136, 21471082, 21472186, 61874053 and 21272231), Natural Science Funds of the Education Committee of Jiangsu Province (Nos. 18KJA510003 and 18KJA430009), Natural Science Foundation of Jiangsu Province (No. BK20200700), Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD, No. YX030003), the open research fund from Key Laboratory for Organic Electronics and Information Displays and Qing Lan Project of Jiangsu Province.

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Authors and Affiliations

  1. Center for Molecular Systems and Organic Devices (CMSOD), Key Laboratory for Organic Electronics and Information Displays & Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing, 210023, China

    Wei Xue, Man Xu, Meng-Na Yu, Hua-Min Sun, Rong-Cui Jiang, Ling-Hai Xie, Nai-En Shi & Wei Huang

  2. Center for Supramolecular Optoelectronics (CSO), Key Laboratory of Flexible Electronics (KLOFE) and Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing, 211816, China

    Jin-Yi Lin & Wei Huang

  3. Frontiers Science Center for Flexible Electronics (FSCFE), Shaanxi Institute of Flexible Electronics (SIFE) & Shaanxi Institute of Biomedical Materials and Engineering (SIBME), Northwestern Polytechnical University (NPU), Xi’an, 710072, China

    Wei Huang

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  1. Wei Xue
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  2. Man Xu
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Correspondence to Jin-Yi Lin, Nai-En Shi or Wei Huang.

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Xue, W., Xu, M., Yu, MN. et al. Electrospun Supramolecular Hybrid Microfibers from Conjugated Polymers: Color Transformation and Conductivity Evolution. Chin J Polym Sci 39, 824–830 (2021). https://doi.org/10.1007/s10118-021-2542-y

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