Synthesis and characterization of polymer/V2O5 composites based on poly(2‐aminodiphenylamine),Polymer Composites

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Synthesis and characterization of polymer/V2O5 composites based on poly(2‐aminodiphenylamine)
Polymer Composites ( IF 4.8 ) Pub Date : 2020-12-12 , DOI: 10.1002/pc.25909
Mouniya Zenasni ₁ , Andres Quintero‐Jaime ₂ , Abdelghani Benyoucef ₁ , Abderezak Benghalem ₃

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Hybrid materials consisting of aniline (ANI) and/or 2‐aminodiphenylamine (PD) in the presence of V₂O₅ nanoparticles were synthesized by in‐situ chemical oxidative polymerization in one‐step. Physicochemical and electrochemical characterization confirmed that in the structure of the composites, intercalation between the polymer chains and the V₂O₅ slabs occurs. Optical properties study shows that the optical band gap of poly(ANI‐co‐PD)/V₂O₅ is lower than poly‐PD/V₂O₅. Thermal stability of the composites by thermogravimetric analysis was evaluated. Composites showed electrochemical activity with improved electron‐transfer of the redox species in the polymer observed by cyclic voltammetry. These results highlight the great influence of the V₂O₅ sheets and the polymer composition on the hybrid materials formation and properties.

中文翻译：

基于聚（2-氨基二苯胺）的聚合物/ V2O5复合材料的合成与表征

在原位化学氧化聚合反应中一步一步合成了在V ₂ O ₅纳米粒子存在下由苯胺（ANI）和/或2-氨基二苯胺（PD）组成的杂化材料。物理化学和电化学特性证实，在复合材料的结构中，在聚合物链和V ₂ O ₅平板之间发生了嵌入。光学性质的研究表明，聚（ANI-的光学带隙共-PD）/ V ₂ ø ₅比聚-PD下/ V ₂ ø ₅。通过热重分析评估了复合材料的热稳定性。通过循环伏安法观察到，复合材料显示出电化学活性，并改善了聚合物中氧化还原物质的电子转移。这些结果突出了V ₂ O ₅片材和聚合物组成对杂化材料的形成和性能的巨大影响。

更新日期：2020-12-12

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