Jun-feng Zhen, Li Wang, Cheng-bing Qin, Qun Zhang, Yang Chen. The laser-induced fluorescence spectrum of CoS between 15 200 and 19 000 cm-1[J]. Chinese Journal of Chemical Physics , 2010, 23(3): 262-268. doi: 10.1088/1674-0068/23/03/262-268
Citation: Jun-feng Zhen, Li Wang, Cheng-bing Qin, Qun Zhang, Yang Chen. The laser-induced fluorescence spectrum of CoS between 15 200 and 19 000 cm-1[J]. Chinese Journal of Chemical Physics , 2010, 23(3): 262-268. doi: 10.1088/1674-0068/23/03/262-268

The laser-induced fluorescence spectrum of CoS between 15 200 and 19 000 cm-1

doi: 10.1088/1674-0068/23/03/262-268
Funds:  This work was supported by the National Natural Science Foundation of China (No.20673107), the Na-tional Key Basic Research Special Foundation of China (No.2007CB815203), and the Chinese Academy of Sci-ences (No.KJCX2-YW-N24).
  • Received Date: 2010-02-26
  • Laser-induced fluorescence excitation spectra of jet-cooled CoS molecules have been recordedin the energy range of 15200~19000 cm-1. Five transition progressions have been reportedfor the first time, the assignments of these progressions have been derived from a rotationalanalysis of vibronic bands and they are determined to be [15.58]4Δ7/2X4Δ7/2, [16.02]4Δ7/2X4Δ7/2, [16.50]4Δ7/2X4Δ7/2, [17.80]4П5/2X4Δ7/2, and [18.00]4Δ7/2X4Δ7/2transitions. In addition, under the supersonic jet condition the fluorescent lifetimes of these vibronic states were measured by exponentially fitting the fluorescence decay. Based on the observed spectra and the measured lifetimes of the vibronic states, the newly identified electronic states are discussed.
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The laser-induced fluorescence spectrum of CoS between 15 200 and 19 000 cm-1

doi: 10.1088/1674-0068/23/03/262-268
Funds:  This work was supported by the National Natural Science Foundation of China (No.20673107), the Na-tional Key Basic Research Special Foundation of China (No.2007CB815203), and the Chinese Academy of Sci-ences (No.KJCX2-YW-N24).

Abstract: Laser-induced fluorescence excitation spectra of jet-cooled CoS molecules have been recordedin the energy range of 15200~19000 cm-1. Five transition progressions have been reportedfor the first time, the assignments of these progressions have been derived from a rotationalanalysis of vibronic bands and they are determined to be [15.58]4Δ7/2X4Δ7/2, [16.02]4Δ7/2X4Δ7/2, [16.50]4Δ7/2X4Δ7/2, [17.80]4П5/2X4Δ7/2, and [18.00]4Δ7/2X4Δ7/2transitions. In addition, under the supersonic jet condition the fluorescent lifetimes of these vibronic states were measured by exponentially fitting the fluorescence decay. Based on the observed spectra and the measured lifetimes of the vibronic states, the newly identified electronic states are discussed.

Jun-feng Zhen, Li Wang, Cheng-bing Qin, Qun Zhang, Yang Chen. The laser-induced fluorescence spectrum of CoS between 15 200 and 19 000 cm-1[J]. Chinese Journal of Chemical Physics , 2010, 23(3): 262-268. doi: 10.1088/1674-0068/23/03/262-268
Citation: Jun-feng Zhen, Li Wang, Cheng-bing Qin, Qun Zhang, Yang Chen. The laser-induced fluorescence spectrum of CoS between 15 200 and 19 000 cm-1[J]. Chinese Journal of Chemical Physics , 2010, 23(3): 262-268. doi: 10.1088/1674-0068/23/03/262-268

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