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Cover Picture: Spatiotemporal Kinetics in Solution Studied by Time‐Resolved X‐Ray Liquidography (Solution Scattering) (ChemPhysChem 12/2009)
Author(s) -
Kim Tae Kyu,
Lee Jae Hyuk,
Wulff Michael,
Kong Qingyu,
Ihee Hyotcherl
Publication year - 2009
Publication title -
chemphyschem
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 1.016
H-Index - 140
eISSN - 1439-7641
pISSN - 1439-4235
DOI - 10.1002/cphc.200990044
Subject(s) - picosecond , scattering , femtosecond , chemistry , synchrotron , microsecond , kinetics , chemical physics , molecule , molecular physics , optics , physics , laser , organic chemistry , quantum mechanics
The cover picture illustrates the technique of time‐resolved X‐ray liquidography (solution scattering), a direct tool to probe structural dynamics and spatiotemporal kinetics of solution‐phase reactions. Picosecond optical pulses (red line) trigger a chemical reaction in a solution and 100 ps long X‐ray pulses (cyan line) from a synchrotron probe the evolving structures of transient species over picoseconds to microseconds. Molecules ranging from small molecules to organometallic complexes, nanoparticles and proteins are studied. In the corners are shown time‐dependent difference scattering patterns for the iodine elimination reaction of 1,2‐diiodoethane (C 2 H 4 I 2 ) in a methanol solution, along with the associated major transient structures identified via data analysis. On page 1958 H. Ihee et al. review experimental and theoretical approaches, application examples and future perspectives for femtosecond applications of this technique.