纳米复合材料对WO3的改性

APCBEE Procedia Pub Date : 2014-01-01 DOI:10.1016/j.apcbee.2014.01.031

Nilofar Asim , M.F. Syuhami , Marzieh Badiei , M. Ambar Yarmo

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引用次数: 17

摘要

以钨酸钠为前驱体，采用酸沉淀法制备了三氧化钨纳米颗粒。在不同的改性方法中选择复合合成法来考察催化活性的改善情况。制备了不同重量比的聚苯胺(PANI)纳米复合材料。采用场发射扫描电镜、x射线衍射、热重分析-差热分析和傅里叶变换红外光谱对合成的纳米复合材料进行了表征。结果表明，成功制备了WO3: PANI纳米复合材料。与聚苯胺相比，这些纳米复合材料表现出更高的热稳定性，表明WO3与聚苯胺之间具有良好的相互作用。对合成的纳米复合材料的催化活性进行了评价。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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WO3 Modification by Synthesis of Nanocomposites

This study presents the preparation of tungsten trioxide (WO₃) nanoparticles by acidic precipitation using sodium tungstate as a precursor. Composite synthesis was selected among various modification methods to investigate catalytic activity improvement. WO3:polyaniline (PANI) nanocomposites with different weight ratios were prepared. The synthesized nanocomposites were characterized by field emission scanning electron microscopy, X-ray diffraction, thermogravimetric analysis–differential thermal analysis, and Fourier transform infrared spectroscopy. Results revealed the successful preparation of WO₃: PANI nanocomposites. These nanocomposites exhibit higher thermal stability compared with PANI, indicating a satisfactory interaction between WO₃ and PANI. The synthesized nanocomposites are being evaluated for their catalytic activity.

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