沸石咪唑盐骨架
光催化
纳米复合材料
变压吸附
吸附
化学工程
咪唑酯
解吸
材料科学
光化学
化学
纳米技术
催化作用
金属有机骨架
有机化学
工程类
作者
Ehsan Pipelzadeh,Victor Rudolph,Graeme R. Hanson,Christopher J. Noble,Lianzhou Wang
标识
DOI:10.1016/j.apcatb.2017.06.054
摘要
A new type of zeolitic imidazolate framework ZIF-8/TiO2 nanocomposites was developed for photocatalytic reduction of CO2 to CH4 and CO in a newly designed photoreactor under intentionally controlled pressure swing. The ZIF-8/TiO2 core-shell structure plays an important role in the adsorption of CO2 by ZIF-8 and subsequent in-situ photocatalytic reduction on TiO2. The introduction of pressure change in the reaction system facilitates the adsorption-desorption process of CO2 and reaction products, which consequently led to improved photoreduction performance. This approach highlights the importance of mass transfer and reactor design for improved photoreduction.
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