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First Achieving Highly Selective Oxidation of Aliphatic Alcohols to Aldehydes over Photocatalysts

Abstract

Selective oxidation of alcohols plays a significant role in chemical synthesis and industrial production. Compared with aromatic alcohols, which are readily transformed to aldehydes, selective oxidation of aliphatic alcohols is more challenging due to its poor activity and low selectivity. Here, we report unprecedentedly selective oxidation of a number of aliphatic alcohols over bismuth oxyhalides photocatalysts. Through investigating the optical and electrochemical properties of bismuth oxyhalides, and demonstrating oxidation performance of three main aliphatic alcohols to corresponding aldehydes. BiOCl showed the excellent catalytic performance, with over 90% conversion and nearly 100% selectivity at room temperature using molecular oxygen. Meanwhile, proposed photocatalytic oxidation mechanism presented that molecular oxygen is not only activated to generate superoxide radicals, but also related to interact with substrate and catalysts. This work provides a new approach for selective oxidation of aliphatic alcohols and trigger more enthusiasm in contributing to the selective oxidation of aliphatic alcohols.

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Publication details

The article was received on 21 Apr 2018, accepted on 03 Jun 2018 and first published on 05 Jun 2018


Article type: Paper
DOI: 10.1039/C8TA03680B
Citation: J. Mater. Chem. A, 2018, Accepted Manuscript
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    First Achieving Highly Selective Oxidation of Aliphatic Alcohols to Aldehydes over Photocatalysts

    F. Xie, Y. Zhang, X. He, H. Li, X. Qiu, W. Zhou, S. Huo and Z. Tang, J. Mater. Chem. A, 2018, Accepted Manuscript , DOI: 10.1039/C8TA03680B

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