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Promotion of TiO2 Nanotube-Confined Pt Nanoparticles via Surface Modification with Fe2O3 for Ethylene Oxidation at Low Temperature
Li, Juan1; Wu, Liangpeng1; Wang, Nan1; Li, Xinjun1; Cen, Chaoping2
2021-05-04
发表期刊ACS OMEGA
ISSN2470-1343
卷号6期号:17页码:11529-11536
通讯作者Li, Xinjun(lixj@ms.giec.ac.cn) ; Cen, Chaoping(cenchaoping@scies.org)
摘要A modified confined catalyst with Pt nanoparticles on the interior and Fe2O3 on the exterior surface of TiO2 nanotubes (Pt-in/Fe2O3-TNTs) was prepared and investigated for catalyzing the oxidation of ethylene. Compared with the Pt- in/TNTs without Fe2O3 modification, the Pt-in/Fe2O3-TNTs exhibited a significantly enhanced activity, and the complete conversion temperature of ethylene decreased from 170 to 95 degrees C. X-ray photoelectron spectroscopy analysis indicated that the Pt nanoparticles were stabilized at higher oxidation states in the Pt-in/Fe2O3-TNT catalyst. It was proposed that the modification of Fe2O3 on the outer surface can tune the electronic state of the encapsulated Pt particles and accelerate the electrons transferred from Pt to Fe species via TiO2 nanotubes, thus improving the catalytic oxidation performance of the confined catalyst.
DOI10.1021/acsomega.1c00665
关键词[WOS]CARBON NANOTUBES ; PLATINUM NANOPARTICLES ; CATALYTIC OXIDATION ; PERFORMANCE ; ADSORPTION ; NANOSHEETS ; MONOXIDE ; REMOVAL ; OXYGEN ; IRON
收录类别SCI
语种英语
资助项目Natural Science Foundation of Guangdong Province[2018A0303130212] ; Science and Technology Project of Guangzhou, China[201803030019] ; Foundation of Guangdong Province Engineering Laboratory for Air Pollution Control[2019323609-01] ; Analytical & Testing Center, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, China
WOS研究方向Chemistry
项目资助者Natural Science Foundation of Guangdong Province ; Science and Technology Project of Guangzhou, China ; Foundation of Guangdong Province Engineering Laboratory for Air Pollution Control ; Analytical & Testing Center, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, China
WOS类目Chemistry, Multidisciplinary
WOS记录号WOS:000648508900044
出版者AMER CHEMICAL SOC
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/33161
专题中国科学院广州能源研究所
通讯作者Li, Xinjun; Cen, Chaoping
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Peoples R China
2.Minist Environm Protect, South China Inst Environm Sci, Guangzhou 510655, Peoples R China
第一作者单位中国科学院广州能源研究所
推荐引用方式
GB/T 7714
Li, Juan,Wu, Liangpeng,Wang, Nan,et al. Promotion of TiO2 Nanotube-Confined Pt Nanoparticles via Surface Modification with Fe2O3 for Ethylene Oxidation at Low Temperature[J]. ACS OMEGA,2021,6(17):11529-11536.
APA Li, Juan,Wu, Liangpeng,Wang, Nan,Li, Xinjun,&Cen, Chaoping.(2021).Promotion of TiO2 Nanotube-Confined Pt Nanoparticles via Surface Modification with Fe2O3 for Ethylene Oxidation at Low Temperature.ACS OMEGA,6(17),11529-11536.
MLA Li, Juan,et al."Promotion of TiO2 Nanotube-Confined Pt Nanoparticles via Surface Modification with Fe2O3 for Ethylene Oxidation at Low Temperature".ACS OMEGA 6.17(2021):11529-11536.
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