In‐situ Transmission Electron Microscope Techniques for Heterogeneous Catalysis,ChemCatChem

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In‐situ Transmission Electron Microscope Techniques for Heterogeneous Catalysis
ChemCatChem ( IF 3.8 ) Pub Date : 2020-03-05 , DOI: 10.1002/cctc.201902285
Bowen He ₁ , Yixiao Zhang ₁ , Xi Liu _{1,

2,

3} , Liwei Chen _{1,

4}

Affiliation

The physicochemical properties of heterogeneous catalysts in static or inert environments often deviate greatly from the properties under in‐situ or working conditions. To gain an insightful understanding of realistic catalyst properties and the corresponding catalytic mechanisms, it is essential to identify and rationalize changes in catalysts under reaction conditions. In recent years, in‐situ transmission electron microscope (in‐situ TEM) techniques have been increasingly developed, offering a unique approach to visualize the evolution of heterogeneous catalysis with ultra‐high spatial resolution, good energy resolution and reasonable temporal resolution under controllable or even realistic catalytic conditions. In this review, we have summarized recent advances in the in‐situ TEM analysis of heterogeneous catalysis, which suggests the great potential of this technique in this important field. Furthermore, technical challenges and possible solutions are discussed.

中文翻译：

用于非均相催化的原位透射电子显微镜技术

非均相催化剂在静态或惰性环境中的物理化学性质通常与原位或工作条件下的性质大相径庭。为了深入了解现实的催化剂性能和相应的催化机理，必须确定和合理化反应条件下催化剂的变化。近年来，原位透射电子显微镜（原位TEM）技术得到了越来越多的发展，它提供了一种独特的方法来可视化非均相催化的演化，具有超高的空间分辨率，良好的能量分辨率和可控或可控的合理时间分辨率。甚至现实的催化条件。在这篇综述中，我们总结了非均相催化原位TEM分析的最新进展，这表明该技术在这一重要领域中的巨大潜力。此外，还讨论了技术挑战和可能的解决方案。

更新日期：2020-04-22

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