原位聚合半聚合物粘结剂在黑暗中诱导TiO2/WO3混合金属氧化物的催化活性

Synthesis and Reactivity in Inorganic, Metal-Organic, and Nano-Metal Chemistry Pub Date : 2016-04-18 DOI:10.1080/15533174.2015.1137049

Nuttaporn Jaritkaun, J. Wootthikanokkhan, C. Piewnuan, Pailin Ngaotrakanwiwat, S. Chiarakorn

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引用次数: 3

摘要

制备了含有聚噻吩粘结剂的混合金属氧化物(TiO2/WO3)。用于原位聚合的TiO2/WO3/噻吩的摩尔比在1/2/0 ~ 1/2/0.6之间变化。研究了金属氧化物在不同光照条件下对亚甲基蓝的催化降解活性。聚合物结合剂的存在使体系在暗光下的活性被诱导，而在紫外和可见光下的活性则保持不变。聚合物的含量也起到了一定的作用。随着单体含量的增加，催化活性降低。根据TEM-EDX表征的形貌对结果进行了讨论。

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Inducing Catalytic Activity in the Dark of TiO2/WO3 Mixed Metal Oxides by Using an In Situ Polymerized Semiconductive Polymeric Binder

Mixed metal oxides (TiO2/WO3) containing polythiophene binder were prepared. The molar ratios of TiO2/WO3/thiophene used for an in situ polymerization were varied from 1/2/0 to 1/2/0.6. Catalytic activities of the metal oxides were studied by following up the degradation of methylene blue under various illumination conditions. With the presence of the polymeric binder in the system, the activity in the dark was induced whereas those under both UV and visible light were maintained. The amount of polymer also played a role. The catalytic activities decreased with increasing monomer content. The results are discussed in light of morphology characterized by TEM-EDX.

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来源期刊

Synthesis and Reactivity in Inorganic, Metal-Organic, and Nano-Metal Chemistry 工程技术-纳米科技

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审稿时长

5 months