原位核磁共振技术研究反应环境对光催化甲醇重整过程的影响

doi:10.11938/cjmr20192728

波谱学杂志 ›› 2020, Vol. 37 ›› Issue (1): 104-113.doi: 10.11938/cjmr20192728

原位核磁共振技术研究反应环境对光催化甲醇重整过程的影响

杨以宁, 王雪璐, 姚叶锋

上海市磁共振重点实验室, 华东师范大学物理与材料科学学院, 上海 200062

收稿日期:2019-03-29 出版日期:2020-03-05 发布日期:2019-05-24
通讯作者: 王雪璐,Tel:18801796743,E-mail:xlwang@phy.ecnu.edu.cn;姚叶锋,Tel:021-62234328,E-mail:yfyao@phy.ecnu.edu.cn. E-mail:xlwang@phy.ecnu.edu.cn;yfyao@phy.ecnu.edu.cn
基金资助:
国家自然科学基金资助项目（21603073，21574043）.

The Effects of Reaction Environment on Photocatalytic Methanol Reforming Studied by Operando Nuclear Magnetic Resonance Spectroscopy

YANG Yi-ning, WANG Xue-lu, YAO Ye-feng

Shanghai Key Laboratory of Magnetic Resonance, College of Physics and Materials Science, East China Normal University, Shanghai 200062, China

Received:2019-03-29 Online:2020-03-05 Published:2019-05-24

摘要/Abstract

摘要： 本文利用原位核磁共振技术，系统研究了在真实反应体系中反应环境（气氛、压强、气体量等）对甲醇光催化重整反应产物的影响.发现不同气氛对甲醇光催化重整的反应产物有着不同的抑制作用，而环境压强及气体量对于甲醇光催化重整反应产物产率的影响较小.在此基础上，本文进一步讨论了气体在催化剂表面的吸附方式和环境气氛影响甲醇光催化重整反应产物的机理.

关键词: 原位液体核磁共振波谱, 甲醇重整, 反应环境, 光催化

Abstract: In this paper, the effects of reaction environment (ambient atmosphere, pressure, gas quantity etc.) on the photocatalytic methanol reforming reaction were studied systematically in a real reaction system using operando nuclear magnetic resonance spectroscopy. It was shown that the ambient atmosphere had differential inhibitory effects on the yields of reaction products, while the environmental pressure and gas quantity had little influences. Based on these observations, the adsorption modes of gases on the catalyst surface were investigated, and a mechanism through which the ambient atmosphere affected the photocatalytic reforming process of methanol was proposed.

Key words: operando liquid-state nuclear magnetic resonance spectroscopy, methanol reforming, reaction environment, photocatalysis

中图分类号:

O482.53

杨以宁, 王雪璐, 姚叶锋. 原位核磁共振技术研究反应环境对光催化甲醇重整过程的影响[J]. 波谱学杂志, 2020, 37(1): 104-113.

YANG Yi-ning, WANG Xue-lu, YAO Ye-feng. The Effects of Reaction Environment on Photocatalytic Methanol Reforming Studied by Operando Nuclear Magnetic Resonance Spectroscopy[J]. Chinese Journal of Magnetic Resonance, 2020, 37(1): 104-113.

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原位核磁共振技术研究反应环境对光催化甲醇重整过程的影响

The Effects of Reaction Environment on Photocatalytic Methanol Reforming Studied by Operando Nuclear Magnetic Resonance Spectroscopy

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