期刊
JOURNAL OF PHYSICAL CHEMISTRY A
卷 117, 期 39, 页码 9807-9813出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp312663q
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资金
- Office of Science of the Department of Energy [DE-AC02-05CH11231]
- U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-AC02-06CH11357]
- U.S. Department of Energy, Office of Science, Basic Energy Sciences [DE-AC02-06CH11357]
The molecular and electronic structures of the transient intermediates generated from the photolysis of trirutheniumdodecacarbonyl, Ru-3(CO)(12) by ultrafast UV (351 nm) laser excitation were investigated using X-ray transient absorption (XTA) spectroscopy. The electronic configuration change and nuclear rearrangement after the dissociation of carbonyls were observed at ruthenium K-edge X-ray absorption near edge structure and X-ray absorption fine structure spectra. Analysis of XTA data, acquired after 100, 200, and 400 ps and 300 ns time delay following the photoexcitation, identified the presence of three intermediate species with Ru-3(CO)(10) being the most dominating one The results set an example of applying XTA in capturing both transient electronic and nuclear configurations in metal clusters simulating catalysts in chemical reactions.
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