Feasibility of Atmospheric-Pressure CO Cold Plasma for Reduction of Supported Metal Ions
Feasibility of Atmospheric-Pressure CO Cold Plasma for Reduction of Supported Metal Ions
复制标题
大气压 CO 冷等离子体还原负载金属离子的可行性
DOI：
10.1007/s11090-017-9834-6
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发表时间：
2017-08
影响因子：
3.6
通讯作者：
Dong-Wha Park
中科院分区：
文献类型：
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作者：
Lanbo Di;Xiuling Zhang;Byungjin Lee;Pan Lu;Wha-Seung Ahn;Dong-Wha Park
AbstractAn atmospheric pressure (AP) carbon monoxide (CO) cold plasma method was developed and employed to reduce supported metal ions for the first time. HAuCl4, AgNO3, H2PtCl6, and Pd(NO3)2ions supported on a commercial sample of TiO2(Degussa P25) were reduced by AP CO cold plasma. The results of UV–Vis diffuse reflectance spectroscopy (UV–Vis DRS) and X-ray photoelectron spectroscopy (XPS) indicate that the supported metal ions are reduced to their metallic states. Au/P25-CP and Au/P25-HP were prepared by CO and H2cold plasma, respectively, to investigate the reduction ability of CO cold plasma. XPS and transmission electron spectroscopy analyses show that the gold nanoparticles in Au/P25-CP and Au/P25-HP exist in the form of metallic gold, and exhibit similar size. Interestingly, a blue shift of the surface plasmon resonance peak was observed for Au/P25-CP because of the amorphous carbon formed by CO dissociation. In situ optical emission spectrum of the CO cold plasma was recorded and excited CO molecules were deemed to be the reducing agents. CO cold plasma was also adopted to reduce P25 supported copper ions, while metallic copper nanoparticles were obtained accompanied by a certain amount of oxidized copper species. AP CO cold plasma is as effective as H2plasma for reducing supported metal ions, and has great potential for tuning the SPR absorption.Graphical Abstract
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影响因子：
10.9
作者：
A. Wollbrink;K. Volgmann;J. Koch;Karthiga Kanthasamy;C. Tegenkamp;Yanshuo Li;H. Richter;Susanne Kämnitz;F. Steinbach;A. Feldhoff;J. Caro
通讯作者：
A. Wollbrink;K. Volgmann;J. Koch;Karthiga Kanthasamy;C. Tegenkamp;Yanshuo Li;H. Richter;Susanne Kämnitz;F. Steinbach;A. Feldhoff;J. Caro
低温等离子体辅助制备高加氢脱硫活性石墨烯负载钯纳米粒子
影响因子：
--
作者：
Xu, Wenya;Wang, Xuzhen;Zhou, Quan;Meng, Bo;Zhao, Jiantao;Qiu, Jieshan;Gogotsi, Yury
通讯作者：
Gogotsi, Yury
影响因子：
6.7
作者：
Xue Zhao;Hui Zhu;Xiurong Yang
通讯作者：
Xue Zhao;Hui Zhu;Xiurong Yang
影响因子：
9.2
作者：
B. Sarmiento;J. Brey;I. G. Viera;A. Gonzalez-Elipe;J. Cotrino;V. Rico
通讯作者：
B. Sarmiento;J. Brey;I. G. Viera;A. Gonzalez-Elipe;J. Cotrino;V. Rico
影响因子：
17.6
作者：
Wei Wang;Zongyuan Wang;Man-man Yang;C. Zhong;Chang‐jun Liu
通讯作者：
Wei Wang;Zongyuan Wang;Man-man Yang;C. Zhong;Chang‐jun Liu