The photodissociation dynamics of AlO at 193 nm is studied using time-sliced ion velocity mapping. Two dissociation channels are found through the speed and angular distributions of aluminum ions: one is one-photon dissociation of the neutral AlO to generate Al(2Pu)+O(3Pg), and the other is two-photon ionization and then dissociation of AlO+ to generate Al+(1Sg)+O(3Pg). Each dissociation channel includes the contribution of AlO in the vibrational states v=0-2. The anisotropy parameter of the neutral dissociation channel is more dependent on the vibration state of AlO than the ion dissociation channel.
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October 2020
Research Article|
October 01 2020
Photodissociation dynamics of AlO at 193 nm using time-sliced ion velocity imaging†
Fang-fang Li;
Fang-fang Li
Department of Chemistry and Shanghai Key Laboratory of Molecular
Catalysis and Innovative Materials, Collaborative Innovation Center of
Chemistry for Energy Materials (iChEM), Fudan University
,
Shanghai 200438, China
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Yu-jie Ma;
Yu-jie Ma
Department of Chemistry and Shanghai Key Laboratory of Molecular
Catalysis and Innovative Materials, Collaborative Innovation Center of
Chemistry for Energy Materials (iChEM), Fudan University
,
Shanghai 200438, China
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Jia-xing Liu;
Jia-xing Liu
Department of Chemistry and Shanghai Key Laboratory of Molecular
Catalysis and Innovative Materials, Collaborative Innovation Center of
Chemistry for Energy Materials (iChEM), Fudan University
,
Shanghai 200438, China
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Guan-jun Wang;
Guan-jun Wang
Department of Chemistry and Shanghai Key Laboratory of Molecular
Catalysis and Innovative Materials, Collaborative Innovation Center of
Chemistry for Energy Materials (iChEM), Fudan University
,
Shanghai 200438, China
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Feng-yan Wang
Feng-yan Wang
*
Department of Chemistry and Shanghai Key Laboratory of Molecular
Catalysis and Innovative Materials, Collaborative Innovation Center of
Chemistry for Energy Materials (iChEM), Fudan University
,
Shanghai 200438, China
*Author to whom correspondence should be
addressed. E-mail: fengyanwang@fudan.edu.cn
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*Author to whom correspondence should be
addressed. E-mail: fengyanwang@fudan.edu.cn
†
Part of the special issue for “the Chinese Chemical Society’s 16th National Chemical Dynamics Symposium”.
Chin. J. Chem. Phys. 33, 649–652 (2020)
Article history
Received:
July 07 2020
Accepted:
July 30 2020
Citation
Fang-fang Li, Yu-jie Ma, Jia-xing Liu, Guan-jun Wang, Feng-yan Wang; Photodissociation dynamics of AlO at 193 nm using time-sliced ion velocity imaging. Chin. J. Chem. Phys. 1 October 2020; 33 (5): 649–652. https://doi.org/10.1063/1674-0068/cjcp2007118
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