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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >High Performance Composite Photocatalysts based on Metal Organic Framework as the Modifier
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High Performance Composite Photocatalysts based on Metal Organic Framework as the Modifier

机译：基于金属有机框架的高性能复合光催化剂作为改进剂

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Photocatalysis attracts increasing attention because of the deteriorating environment pollution. Metal organic frameworks (MOFs) is deemed as one kind of promising modifiers to improve the photocatalytic performance of traditional semiconductors by their large BET areas. In this study, reduced graphene oxide (RGO) and Cu-BTC are utilized to decorate TiO_2 to enhance the corresponding photoactivity. Morphology of the as-prepared composite is detected by SEM and XRD curve, while the UV-and visible-light activities are estimated by the decomposition of various dyes. The specific functions of Cu-BTC and RGO are revealed by analysing the adsorption capacity, lifetime of the photoinduced electrons and the EPR profiles. The resulting Cu-BTC-RGO/TiO2 samples display outstanding photocatalytic properties, which are much better than that of the pure TiO_2 and RGO/TiO2 samples because of the synergy between these components. Lastly, the recycle using stability and the influence from the preparation process of the composite photocatalysts are discussed.
机译：由于环境污染恶化，光催化吸引了不断的关注。金属有机框架（MOF）被认为是一种有前途的改性剂，通过其大BET区域提高传统半导体的光催化性能。在该研究中，使用还原的石墨烯（RGO）和Cu-BTC用于装饰TiO_2以增强相应的光度。通过SEM和XRD曲线检测到制备的复合材料的形态，而UV-and可见光的活动估计各种染料的分解估计。通过分析光导致的电子和EPR型材的吸附容量，寿命来揭示Cu-BTC和Rgo的特定功能。得到的Cu-BTC-RGO / TiO 2样品显示出优异的光催化性质，其比纯TiO_2和Rgo / TiO2样品的优异性能大得多，因为这些组分之间的协同作用。最后，讨论了使用稳定性的回收和复合光催化剂的制备方法的影响。

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