A. F. A. Rahman, Agus Arsad, Lai Yong Wei, Ai Ling Pang, S. R. Suradi
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引用次数: 0
摘要
在聚吡咯(PPy)中添加金属或金属氧化物(MOs)有助于将母体成分的特征有效地融入新型纳米复合材料中。因此,本研究采用原位超声辅助化学氧化聚合(in-situ UA-COP)技术,使用二氧化钛(TiO2)、氧化锌(ZnO)和二氧化硅(SiO2)合成了 MO-PPy 纳米复合材料。然后用方法分析了 MO 对所制备纳米复合材料的结构、形态、热和电特性的影响。通过 X 射线衍射(XRD)和傅立叶变换红外光谱(FTIR)确定了纳米复合材料的结构和化学组成。MOs 通过非共价键与 PPy 基体结合,不会对 PPy 基体产生明显影响。热重(TGA)和差示扫描量热法(DSC)分析表明,TiO2-PPy 的热稳定性最好,因此非常适合用于需要较高耐温性的反应。它还具有最高的导电性(2.48 S/cm),这可能归功于 MO 纳米粒子在聚合物基质中相互连接形成的导电通道。这项深入研究揭示了不同 MO 对 PPy 纳米复合材料特性的影响。本研究的结果还强调了所制备的 PPy 纳米复合材料在不同领域的潜在应用,尤其是在传感器中的应用。
Unveiling the Influence of Metal Oxides on Multifaceted Polypyrrole Nanocomposite Properties
The addition of metals or metal oxides (MOs) into polypyrrole (PPy) could facilitate the effective incorporation of the features of a parent component into novel nanocomposites. As such, this present study used in-situ ultrasonic-assisted chemical oxidative polymerisation (in-situ UA-COP) to synthesise MO-PPy nanocomposites using titanium dioxide (TiO2), zinc oxide (ZnO), and silicone dioxide (SiO2). The impact of MOs on the structural, morphological, thermal and electrical characteristics of the fabricated nanocomposites was then methodically analysed. The nanocomposites’ structural and chemical constitutions were ascertained by way of X-ray diffraction (XRD), and Fourier-transform infrared (FTIR) spectroscopy. The MOs were incorporated via non-covalent bonds into the PPy matrix, without significantly affecting the PPy matrix. Thermogravimetric (TGA) and differential scanning calorimetry (DSC) analyses demonstrated that TiO2-PPy was the most thermally stable, rending it is ideal for use in reactions that require high resistance to temperature. It also had the highest electrical conductivity (2.48 S/cm), which could be attributed to the conductive channels that the MO nanoparticle interconnections formed within the polymer matrix. This in-depth investigation serves to disclose the effect of different MOs on the characteristics of PPy nanocomposites. The findings of this present study also highlight the potential applications of the produced PPy nanocomposites in different fields, especially for use in sensors.
期刊介绍:
The journal publishes the following types of papers: (a) original and important research;
(b) authoritative comprehensive reviews or short overviews of topics of current
interest; (c) brief but urgent communications on new significant research; and (d)
commentaries intended to foster the exchange of innovative or provocative ideas, and
to encourage dialogue, amongst researchers working in different cluster
disciplines.