In situ depth-resolved synchrotron radiation X-ray spectroscopy study of radiation-induced Au deposition

被引：4
作者：
Chen, Guang [1 ,2 ]
Du, Yonghua [3 ]
An, Pengfei [2 ]
Zheng, Lirong [2 ]
Chu, Shengqi [2 ]
Zhang, Jing [2 ]
机构：
[1] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[2] Chinese Acad Sci, Beijing Synchrotron Radiat Facil, Inst High Energy Phys, Beijing 100049, Peoples R China
[3] Agcy Sci Technol & Res, Inst Chem & Engn Sci, 1 Pesek Rd, Jurong Isl 627833, Singapore
来源：
JOURNAL OF SYNCHROTRON RADIATION | 2019年 / 26卷
关键词：
radiation-induced reduction; confocal optic systems; micro-X-ray fluorescence; XANES; deposition processes; GOLD NANOPARTICLES; PLASMONIC NANOSTRUCTURE; ABSORPTION-SPECTROSCOPY; SURFACE; XANES;
D O I：
10.1107/S1600577519011111
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
To illustrate the process of synchrotron radiation induced reduction of tetrachloroauric solutions, a confocal synchrotron radiation X-ray spectroscopy experiments system has been introduced to monitor the depth-resolved elemental Au distribution and chemical species during the Au reduction reaction. Combining the results from confocal X-ray spectroscopy with that from X-ray contrast imaging, the mechanism of synchrotron radiation induced Au reduction, along with the process of Au deposition, were proposed. These demonstrations provide novel avenues to spatially resolved analysis of in situ solution radiolysis.
引用
收藏
页码：1940 / 1944
页数：5
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