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从金属有机框架到形貌和尺寸可控的三维介孔CrO，制备高比表面积及增强挥发性有机化合物氧化性能的催化剂。

From metal-organic framework to morphology- and size-controlled 3D mesoporous CrO toward a high surface area and enhanced volatile organic compound oxidation catalyst.

作者信息

Li Xiutao, Zhao Qichen, Qiao Junyu, Zhang Qingsong, Zhou Xiaomeng

机构信息

Center for Aircraft Fire and Emergency, Civil Aviation University of China Tianjin 300300 China

出版信息

RSC Adv. 2019 Apr 8;9(19):10865-10869. doi: 10.1039/c9ra00206e. eCollection 2019 Apr 3.

DOI:10.1039/c9ra00206e
PMID:35515326
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9062491/
Abstract

Morphology- and size-controlled 3D mesoporous CrO have always been a research hotspot due to their wide applications. Herein, we for the first time report that the carbonized Cr-MOFs can ignite spontaneously at room temperature and form the corresponding 3D mesoporous CrO with high specific surface areas (219.25 to 303.44 cm g). More importantly, the shape and size of 3D mesoporous CrO can be well controlled by a facile adjustment of the Cr-MOF synthesis conditions. Furthermore, these materials showed an exceptionally high catalytic performance in formaldehyde oxidation. These results are predicted to offer a novel method in the design and synthesis of 3D porous CrO.

摘要

由于其广泛的应用，形貌和尺寸可控的三维介孔CrO一直是研究热点。在此，我们首次报道碳化的Cr-MOFs在室温下能自燃，并形成具有高比表面积（219.25至303.44 cm²/g）的相应三维介孔CrO。更重要的是，通过轻松调整Cr-MOF的合成条件，可以很好地控制三维介孔CrO的形状和尺寸。此外，这些材料在甲醛氧化中表现出极高的催化性能。预计这些结果将为三维多孔CrO的设计和合成提供一种新方法。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b6f/9062491/5f8367e72259/c9ra00206e-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b6f/9062491/dda41eea3a15/c9ra00206e-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b6f/9062491/aa9f9c5d47f3/c9ra00206e-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b6f/9062491/601aafd4fa2b/c9ra00206e-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b6f/9062491/5f8367e72259/c9ra00206e-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b6f/9062491/dda41eea3a15/c9ra00206e-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b6f/9062491/aa9f9c5d47f3/c9ra00206e-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b6f/9062491/601aafd4fa2b/c9ra00206e-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b6f/9062491/5f8367e72259/c9ra00206e-f4.jpg

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