Results 181 to 190 of about 16,298 (235)

Measuring Electronic Transitions Using Leak-Out Spectroscopy. [PDF]

J Phys Chem Lett
Marlton SJP, Schmid PC, Salomon T, Asvany O, Schlemmer S.   +4 more
europepmc   +1 more source

Analytical applications of gas-phase ion chemistry enabled by mass spectrometry.

Anal Methods
Kang WY, Prentice BM.
europepmc   +1 more source

Photochemistry of aryl halides: Photodissociation dynamics [PDF]

Journal of Photochemistry and Photobiology C: Photochemistry Reviews, 2007
In recent years, the photodissociation dynamics of aryl halides has been a subject of intensive studies, which is closely related to the atmospheric chemistry.
Keli Han, Guo-Zhong He
exaly   +2 more sources

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Photodissociation of uracil

Physical Chemistry Chemical Physics, 2007
We investigate the photochemistry and photodissociation dynamics of uracil by two-colour photofragment Doppler spectroscopy and by two-colour slice imaging at excitation wavelengths between 268 and 235 nm. We observe the loss of a hydrogen atom upon excitation into the pipi* state.
Michael, Schneider, Christof, Schon, Ingo, Fischer, Luis, Rubio-Lago, Theofanis, Kitsopoulos   +4 more
openaire   +2 more sources

Photodissociation of thymine

Physical Chemistry Chemical Physics, 2006
We discuss the photochemistry and photodissociation dynamics of thymine as revealed by two-colour photofragment Doppler spectroscopy and by one-colour slice imaging. Thymine is optically excited into the pipi* state, known to deactivate quickly.
Michael, Schneider, Raman, Maksimenka, F Johannes, Buback, Theofanis, Kitsopoulos, Luis R, Lago, Ingo, Fischer   +5 more
openaire   +2 more sources

Photodissociation dynamics of pyridine

The Journal of Chemical Physics, 2005
Photodissociation of pyridine, 2,6-d2-pyridine, and d5-pyridine at 193 and 248nm was investigated separately using multimass ion imaging techniques. Six dissociation channels were observed at 193nm, including C5NH5→C5NH4+H (10%) and five ring opening dissociation channels, C5NH5→C4H4+HCN, C5NH5→C3H3+C2NH2, C5NH5→C2H4+C3NH, C5NH5→C4NH2+CH3 (14%), and ...
Ming-Fu, Lin, Yuri A, Dyakov, Chien-Ming, Tseng, Alexander M, Mebel, Sheng Hsien, Lin, Yuan T, Lee, Chi-Kung, Ni   +6 more
openaire   +3 more sources

The photodissociation dynamics of tetrachloroethylene

The Journal of Chemical Physics, 2011
We present a direct current slice imaging study of tetrachloroethylene (C2Cl4) photodissociation, probing the resulting ground state Cl (2P3/2) and spin-orbit excited state Cl* (2P1/2) products. We report photofragment images, total translational energy distributions and the product branching ratio of Cl*/Cl following dissociation at 235 and 202 nm ...
Nuradhika, Herath, Michael L, Hause, Arthur G, Suits   +2 more
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Photodissociation of Triatomic Hydrogen

Physical Review Letters, 1988
The unstable ground-state potential surface of triatomic hydrogen has served as prototype for the development of bimolecular reaction-rate theory, and is still largely territory only of theoretical chemistry. While the ground electronic state of H/sub 3/ is dissociative, electronically excited states of this molecule are tightly bound. These states are
, Cosby, , Helm
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Photodissociation Dynamics of Phenol

The Journal of Physical Chemistry A, 2007
The photodissociation of phenol at 193 and 248 nm was studied using multimass ion-imaging techniques and step-scan time-resolved Fourier-transform spectroscopy. The major dissociation channels at 193 nm include cleavage of the OH bond, elimination of CO, and elimination of H(2)O. Only the former two channels are observed at 248 nm.
Chien-Ming, Tseng, Yuan T, Lee, Ming-Fu, Lin, Chi-Kung, Ni, Suet-Yi, Liu, Yuan-Pern, Lee, Z F, Xu, M C, Lin   +7 more
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Photodissociation Dynamics of Fluorobenzene

Journal of the American Chemical Society, 2003
Photodissociation of both fluorobenzene and d(5)-fluorobenzene at 193 nm under collision-free conditions has been studied in separate experiments using multimass ion imaging techniques. HF and DF eliminations were found to be the major dissociation channels.
Huang, C.L., Jiang, J.C., Mebel, A.M., Lee, Y.T., Ni, C.K.   +4 more
openaire   +3 more sources