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Diblock copolymers poly(3-hexylthiophene)-block-poly(2-(dimethylamino)ethyl methacrylate-random-1-pyrenylmethyl methacrylate), controlled synthesis and optical properties

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Abstract

In this research, diblock copolymers based on the rod segment of regioregular poly(3-hexylthiophene) (P3HT) and a coil segment of poly(2-(dimethylamino)ethyl methacrylate-random-1-pyrenylmethyl methacrylate) (P(DMAEMA-r-PyMA)) was synthesized successfully by Grignard metathesis (GRIM) method and atom transfer radical polymerization reaction (ATRP). The obtained copolymer was well-defined with an average molecular weight of 11300 g/mol and low polydispersity below 1.5. The polymer structure was determined via gel permeation chromatography (GPC), Fourier transform infrared (FTIR) spectroscopy and proton nuclear magnetic resonance (1H NMR) spectroscopies. In addition, the optical and thermal properties of polymers were characterized via ultraviolet–visible (UV–Vis), differential scanning calorimetry (DSC) spectroscopy and fluorescence spectroscopy. Interestingly, P3HT-b-P(DMAEMA-r-PyMA) was examined as a possible chemosensor for trace detection of the trinitrotoluene (TNT) explosive.

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Acknowledgements

This research is supported by Vietnam National University Ho Chi Minh City (VNU-HCM) under grant number 562-2022-20-02.

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Authors and Affiliations

  1. National Key Laboratory of Polymer and Composite Materials, Ho Chi Minh City University of Technology, Vietnam National University-Ho Chi Minh City (VNU-HCM), 268 Ly Thuong Kiet, District 10, Ho Chi Minh City, Vietnam

    Thao Phuong Le Nguyen, Thao Thanh Bui, Cam Hong Thi Nguyen, Duong Thanh Le, Tam Huu Nguyen & Ha Tran Nguyen

  2. Faculty of Materials Technology, Ho Chi Minh City University of Technology (HCMUT), Vietnam National University, 268 Ly Thuong Kiet, District 10, Ho Chi Minh City, Vietnam

    Le-Thu T. Nguyen

  3. Institute of Applied Materials Science, Vietnam Academy of Science and Technology, District 12, 1B TL29, Ho Chi Minh City, Vietnam

    Quoc-Thiet Nguyen

  4. Institute of Chemistry, Vietnam Academy of Science and Technology, Hanoi, Vietnam

    Mai Ha Hoang

  5. Department of Materials and Life Chemistry, Kanagawa University, Rokkakubashi, Kanagawa-ku, Yokohama, 221-8686, Japan

    Tam Huu Nguyen & Tsutomu Yokozawa

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  1. Thao Phuong Le Nguyen
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  2. Thao Thanh Bui
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Le Nguyen, T.P., Bui, T.T., Nguyen, C.H.T. et al. Diblock copolymers poly(3-hexylthiophene)-block-poly(2-(dimethylamino)ethyl methacrylate-random-1-pyrenylmethyl methacrylate), controlled synthesis and optical properties. J Polym Res 30, 292 (2023). https://doi.org/10.1007/s10965-023-03684-9

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