期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 55, 期 4, 页码 1364-1367出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201509252
关键词
photoexcitation; tungsten trioxide; ultrafast spectroscopy; XAFS; X-ray free electron laser (XFEL)
资金
- JSPS [26620110]
- NEDO
- Marie Curie Intra-European Fellowship MS-BEEM [PIEF-GA-2013-625388]
- FP7 MSNano network [PIRSES-GA-2012-317554]
- COST Action [MP1306]
- [15H02173]
- Grants-in-Aid for Scientific Research [26620110, 15H00890, 25106010, 15H02173, 26102014] Funding Source: KAKEN
The dynamics of the local electronic and geometric structures of WO3 following photoexcitation were studied by femtosecond time-resolved X-ray absorption fine structure (XAFS) spectroscopy using an X-ray free electron laser (XFEL). We found that the electronic state was the first to change followed by the local structure, which was affected within 200 ps of photoexcitation.
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