Development and application of in situ spectromicroscopy using soft X-ray inner-shell excitation

2016 Fiscal Year Final Research Report

• Project/Area Number: 26248010
• Research Category: Grant-in-Aid for Scientific Research (A)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Physical chemistry
• Research Institution: Institute for Molecular Science
• Principal Investigator: KOSUGI Nobuhiro 分子科学研究所, 光分子科学研究領域, 教授 (20153546)
• Co-Investigator(Kenkyū-buntansha): 大東 琢治 分子科学研究所, 極端紫外光研究施設, 助教 (50375169) ; 繁政 英治 分子科学研究所, 極端紫外光研究施設, 准教授 (90226118)
• Co-Investigator(Renkei-kenkyūsha): NAGASAKA Masanari 分子科学研究所, 光分子科学研究領域, 助教 (90455212) ; YAMANE Hiroyuki 分子科学研究所, 光分子科学研究領域, 助教 (50402459)
• Project Period (FY): 2014-04-01 – 2017-03-31
• Keywords: 量子ビーム / 内殻励起 / Ｘ線顕微分光 / その場観測 / 薬物伝達

Outline of Final Research Achievements

In order to apply soft X-ray absorption spectroscopy (XAS) to chemical materials with the spatial resolution of 30 nm, we have developed transmission-type in situ cells installed into scanning transmission X-ray microscopy (STXM). By using the spatially-resolved XAS, we have investigated the reaction mechanism of inhomogeneous chemical materials such as phase separation of aqueous triethylamine solutions, electrochemical reactions, and drug delivery systems. The local structure of microfluidics, which realizes highly efficient solution reactions, is also analyzed by using XAS with the spatial resolution of 30 micron.

Free Research Field

物理化学