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Porous PEDOT-SiO 2 Hybrid Conductive Micro Particles Prepared by Simultaneous Co-vaporized Vapor Phase Polymerization
Journal of Industrial and Engineering Chemistry ( IF 6.1 ) Pub Date : 2018-07-01 , DOI: 10.1016/j.jiec.2018.02.003
Seul Gi Jung , Kuk Young Cho , Jin-Heong Yim

Abstract Porous PEDOT–SiO2 particles were successfully prepared using simultaneous co-vaporized vapor phase polymerization (SC-VPP). By controlling the TEOS content, the morphologies of the obtained particles could be tuned from appearance of hollow egg shells aggregates to the hybrid particle composed of microspheres. Despite only having up to 40% of TEOS in the SC-VPP process, SiO2 accounts for over 90% of the resulting hybrid particle, because the hydrolysis/condensation reactions of TEOS would be much faster as compared with the PEDOT polymerization. The specific capacitance of a single hybrid particle decreased with increasing SiO2 portion, owing to changes in its external/internal structures.

中文翻译:

同时共蒸发气相聚合制备多孔PEDOT-SiO 2 杂化导电微粒

摘要 使用同步共蒸发气相聚合 (SC-VPP) 成功制备了多孔 PEDOT-SiO2 颗粒。通过控制 TEOS 的含量,可以调整所得颗粒的形态,从空心蛋壳聚集体的外观到由微球组成的混合颗粒。尽管在 SC-VPP 工艺中只有高达 40% 的 TEOS,但 SiO2 占所得混合颗粒的 90% 以上,因为与 PEDOT 聚合相比,TEOS 的水解/缩合反应要快得多。由于其外部/内部结构的变化,单个混合颗粒的比电容随着 SiO2 部分的增加而降低。
更新日期:2018-07-01
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