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Dynamics of Photoelectrons and Structural Changes of Tungsten Trioxide Observed by Femtosecond Transient XAFS
Author(s) -
Uemura Yohei,
Kido Daiki,
Wakisaka Yuki,
Uehara Hiromitsu,
Ohba Tadashi,
Niwa Yasuhiro,
Nozawa Shunsuke,
Sato Tokushi,
Ichiyanagi Kohei,
Fukaya Ryo,
Adachi Shinichi,
Katayama Tetsuo,
Togashi Tadashi,
Owada Sigeki,
Ogawa Kanade,
Yabashi Makina,
Hatada Keisuke,
Takakusagi Satoru,
Yokoyama Toshihiko,
Ohtani Bunsho,
Asakura Kiyotaka
Publication year - 2016
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201509252
Subject(s) - photoexcitation , x ray absorption fine structure , femtosecond , tungsten trioxide , photoelectric effect , materials science , tungsten , laser , electronic structure , electron , atomic physics , spectroscopy , chemistry , molecular physics , optoelectronics , optics , physics , excited state , computational chemistry , quantum mechanics , metallurgy
The dynamics of the local electronic and geometric structures of WO 3 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.