光学学报, 2019, 39 (10): 1034002, 网络出版: 2019-10-09
基于荧光发射的低原子序数软X射线吸收谱方法 下载: 1102次
Soft X-Ray Absorption Spectroscopy of Low Z Element Based on Fluorescence Emission
X射线光学 低Z元素 低含量元素 荧光发射谱 X-ray optics low Z element low-concentration element fluorescence emission spectrum
摘要
利用上海同步辐射光源扫描显微光束线站(08U1A)搭建了一套基于荧光发射的低原子序数吸收谱的测量系统,探索部分荧光产额(PFY)的吸收谱方法在软凝聚态(低原子序数元素,原子序数Z<10)和半导体领域的可行性及适用性。以含低原子序数元素的四氟化碳(CF4)气体和半导体样品甲胺铅碘(CH3NH3PbI3)为研究对象验证了PFY吸收谱方法在该系统上的可行性,并确定其样品浓度的测量下限。
Abstract
We establish a measurement system based on low atomic number absorption spectrum of fluorescence emission via the beamline station 08U1A of Shanghai Synchrotron Radiation Source, and explore the partial fluorescence yield (PFY) based on absorption method. The feasibility and applicability of this setup is verified on low Z elements in soft condensed matter and semiconductor areas. The research objects of CF4 gas and iodine methylamine lead (CH3NH3PbI3) verify the feasibility of PFY absorption spectroscopy. Then the low limit of sensitivity to sample concentration is determined.
李俊琴, 陈振华, 赵子龙, 邹鹰, 王勇, 邰仁忠. 基于荧光发射的低原子序数软X射线吸收谱方法[J]. 光学学报, 2019, 39(10): 1034002. Junqin Li, Zhenhua Chen, Zilong Zhao, Ying Zou, Yong Wang, Renzhong Tai. Soft X-Ray Absorption Spectroscopy of Low Z Element Based on Fluorescence Emission[J]. Acta Optica Sinica, 2019, 39(10): 1034002.