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首页> 外文期刊>RSC Advances >Hydrothermal synthesis of mpg-C3N4 and Bi2WO6 nest-like structure nanohybrids with enhanced visible light photocatalytic activities
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Hydrothermal synthesis of mpg-C3N4 and Bi2WO6 nest-like structure nanohybrids with enhanced visible light photocatalytic activities

机译：水热合成mpg-C 3 N 4 和Bi 2 WO 6 巢状纳米杂化物光的光催化活性

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To overcome the shortcomings of low photocatalytic efficiency, mpg-C3N4/Bi2WO6 photocatalysts have been successfully designed via a facile hydrothermal method. A succession of techniques was used to explore the morphology, structure, surface composition and photocatalytic property of the mpg-C3N4/Bi2WO6 material. The mpg-C3N4/Bi2WO6 nanohybrid has high photocatalytic performance for the degradation of tetracycline hydrochloride (TC) and rhodamine B (RhB). Holes, ·O2? and ·OH radicals are determined to be the active species in the process of photocatalytic degradation by ESR and capture experiments. The ultrathin thickness of nest-like Bi2WO6 and the introduction of mpg-C3N4 into the Bi2WO6 matrix can improve the photocatalytic efficiency. The photocatalytic Z-scheme mechanism of the system was also discussed in detail. This work paves the way for preparing visible-light-driven nanocomposites for pollutant degradation.
机译：为克服低光催化效率的缺点，mpg-C 3 N 4 / Bi 2 WO 6 光催化剂。运用一系列技术研究了mpg-C 3 N 4 的形貌，结构，表面组成和光催化性能。 / Bi 2 WO 6 材料。 mpg-C 3 N 4 / Bi 2 WO 6 纳米杂化物具有较高的光催化性能，可降解盐酸四环素（TC）和若丹明B（RhB）。空穴，·O 2 ？ 和·OH自由基被确定为光催化过程中的活性物种。通过ESR和捕获实验进行降解。巢状Bi 2 WO 6 的超薄厚度和mpg-C <的介绍sub> 3 N 4 到Bi 2 WO < sub> 6 基质可以提高光催化效率。还详细讨论了该系统的光催化 Z 方案。这项工作为制备可见光驱动的纳米复合材料以降解污染物铺平了道路。

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