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Synthesis of Solution-Stable PEDOT-Coated Sulfonated Polystyrene Copolymer PEDOT:P(SS-co-St) Particles for All-Organic NIR-Shielding Films

Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemoon-Gu, Seoul 03722, Korea
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Coatings 2019, 9(3), 151; https://doi.org/10.3390/coatings9030151
Received: 18 December 2018 / Revised: 16 February 2019 / Accepted: 22 February 2019 / Published: 26 February 2019
(This article belongs to the Special Issue Smart Coatings for Energy Saving Applications)
We prepared poly(3,4-ethylenedioxythiophene) (PEDOT)-coated sulfonated polystyrene copolymer particles as efficient heat-shielding agents, which showed strong near-infrared (NIR) absorption, with high solid contents and good solution stability. The poly(styrene sulfonate-co-styrene) (P(SS-co-St)) copolymers were successfully synthesized via radical solution polymerization, and PEDOT-coated P(SS-co-St) (PEDOT:P(SS-co-St)) was synthesized via Fe+-catalyzed oxidative polymerization. PEDOT:P(SS-co-St) was characterized by nuclear magnetic resonance and Fourier transform infrared spectroscopies. The particle size and morphology of PEDOT:P(SS-co-St) were examined using transmission electron microscopy, dynamic light scattering, and zeta potential measurements. The maximum NIR-shielding efficiency of the film was 92.0% with 40% transmittance. The high solution stability of PEDOT:P(SS-co-St) make it an ideal candidate for heat-insulating materials that find application in semi-transparent heat-insulator-coated windows. View Full-Text
Keywords: conducting polymer; poly(3,4-ethylenedioxythiophene); PEDOT; core-shell particles; polystyrene; NIR shielding film conducting polymer; poly(3,4-ethylenedioxythiophene); PEDOT; core-shell particles; polystyrene; NIR shielding film
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MDPI and ACS Style

Im, S.; Park, C.; Cho, W.; Kim, J.; Jeong, M.; Kim, J.H. Synthesis of Solution-Stable PEDOT-Coated Sulfonated Polystyrene Copolymer PEDOT:P(SS-co-St) Particles for All-Organic NIR-Shielding Films. Coatings 2019, 9, 151. https://doi.org/10.3390/coatings9030151

AMA Style

Im S, Park C, Cho W, Kim J, Jeong M, Kim JH. Synthesis of Solution-Stable PEDOT-Coated Sulfonated Polystyrene Copolymer PEDOT:P(SS-co-St) Particles for All-Organic NIR-Shielding Films. Coatings. 2019; 9(3):151. https://doi.org/10.3390/coatings9030151

Chicago/Turabian Style

Im, Soeun, Chanil Park, Wonseok Cho, Jooyoung Kim, Minseok Jeong, and Jung H. Kim. 2019. "Synthesis of Solution-Stable PEDOT-Coated Sulfonated Polystyrene Copolymer PEDOT:P(SS-co-St) Particles for All-Organic NIR-Shielding Films" Coatings 9, no. 3: 151. https://doi.org/10.3390/coatings9030151

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