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含有序纳米多孔二氧化硅的二元铜锰氧化物高效消除一氧化碳

Highly Efficient Elimination of Carbon Monoxide with Binary Copper-Manganese Oxide Contained Ordered Nanoporous Silicas.

作者信息

Lee Jiho, Kim Hwayoun, Lee Hyesun, Jang Seojun, Chang Jeong Ho

机构信息

Korea Institute of Ceramic Engineering and Technology, Gyengnam, 660-031, South Korea.

出版信息

Nanoscale Res Lett. 2016 Dec;11(1):6. doi: 10.1186/s11671-015-1197-4. Epub 2016 Jan 7.

DOI:10.1186/s11671-015-1197-4
PMID:26744146
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC4705076/
Abstract

Ordered nanoporous silicas containing various binary copper-manganese oxides were prepared as catalytic systems for effective carbon monoxide elimination. The carbon monoxide elimination efficiency was demonstrated as a function of the [Mn]/[Cu] ratio and reaction time. The prepared catalysts were characterized by Brunauer-Emmett-Teller (BET) method, small- and wide-angle X-ray diffraction (XRD), and high-resolution transmission electron microscopy (HR-TEM) for structural analysis. Moreover, quantitative analysis of the binary metal oxides within the nanoporous silica was achieved by inductively coupled plasma (ICP). The binary metal oxide-loaded nanoporous silica showed high room temperature catalytic efficiency with over 98 % elimination of carbon monoxide at higher concentration ratio of [Mn]/[Cu].

摘要

制备了含有各种二元铜锰氧化物的有序纳米多孔二氧化硅作为有效消除一氧化碳的催化体系。研究了一氧化碳消除效率与[Mn]/[Cu]比和反应时间的关系。通过布鲁诺尔-埃米特-特勒（BET）法、小角和广角X射线衍射（XRD）以及高分辨率透射电子显微镜（HR-TEM）对制备的催化剂进行结构分析。此外，通过电感耦合等离子体（ICP）对纳米多孔二氧化硅中的二元金属氧化物进行定量分析。负载二元金属氧化物的纳米多孔二氧化硅在较高[Mn]/[Cu]浓度比下表现出较高的室温催化效率，一氧化碳消除率超过98%。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4955/4705076/d01e75d3bf2c/11671_2015_1197_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4955/4705076/d613c3075773/11671_2015_1197_Sch1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4955/4705076/cc5968483d59/11671_2015_1197_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4955/4705076/bb65d8a90f7f/11671_2015_1197_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4955/4705076/16914c4ee533/11671_2015_1197_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4955/4705076/d01e75d3bf2c/11671_2015_1197_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4955/4705076/d613c3075773/11671_2015_1197_Sch1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4955/4705076/cc5968483d59/11671_2015_1197_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4955/4705076/bb65d8a90f7f/11671_2015_1197_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4955/4705076/16914c4ee533/11671_2015_1197_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4955/4705076/d01e75d3bf2c/11671_2015_1197_Fig4_HTML.jpg

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