CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
An APXPS endstation for gas-solid and liquid-solid interface studies at SSRF
Cai, J; Dong, Q; Han, Y; Mao, BH; Zhang, H; Karlsson, PG; Ahlund, J; Tai, RZ; Yu, Y; Liu, Z
AbstractIn the past few decades, various surface analysis techniques find wide applications in studies of interfacial phenomena ranging from fundamental surface science, catalysis, environmental science and energy materials. With the help of bright synchrotron sources, many of these techniques have been further advanced into novel in-situ/operando tools at synchrotron user facilities, providing molecular level understanding of chemical/electrochemical processes in-situ at gas-solid and liquid-solid interfaces. Designing a proper endstation for a dedicated beamline is one of the challenges in utilizing these techniques efficiently for a variety of user's requests. Many factors, including pressure differential, geometry and energy of the photon source, sample and analyzer, need to be optimized for the system of interest. In this paper, we discuss the design and performance of a new endstation at beamline 02B at the Shanghai Synchrotron Radiation Facility for ambient pressure X-ray photoelectron spectroscopy studies. This system, equipped with the newly developed high-transmission HiPP-3 analyzer, is demonstrated to be capable of efficiently collecting photoelectrons up to 1500 eV from ultrahigh vacuum to ambient pressure of 20 mbar. The spectromicroscopy mode of HiPP-3 analyzer also enables detection of photoelectron spatial distribution with resolution of 2.8 +/- 0.3 lm in one dimension. In addition, the designing strategies of systems that allow investigations in phenomena at gas-solid interface and liquid-solid interface will be highlighted through our discussion.
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Affiliation1.Chinese Acad Sci, Shanghai Inst Microsyst & Informat Technol, State Key Lab Funct Mat Informat, Shanghai 200050, Peoples R China;
2.ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China;
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China;
4.Scienta Omicron, S-75228 Uppsala, Sweden;
5.Chinese Acad Sci, Shanghai Synchrotron Radiat Facil, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Recommended Citation
GB/T 7714
Cai, J,Dong, Q,Han, Y,et al. An APXPS endstation for gas-solid and liquid-solid interface studies at SSRF[J]. NUCLEAR SCIENCE AND TECHNIQUES,2019,30(5):—.
APA Cai, J.,Dong, Q.,Han, Y.,Mao, BH.,Zhang, H.,...&Liu, Z.(2019).An APXPS endstation for gas-solid and liquid-solid interface studies at SSRF.NUCLEAR SCIENCE AND TECHNIQUES,30(5),—.
MLA Cai, J,et al."An APXPS endstation for gas-solid and liquid-solid interface studies at SSRF".NUCLEAR SCIENCE AND TECHNIQUES 30.5(2019):—.
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