Reaction Products of 532nm Laser Ablation of Ta with Carbon Dioxide Studied by Matrix Isolation Infrared Spectroscopy

Abstract

Abstract: 532nm pulsed laser-ablated Ta atoms react with carbon dioxide to form products TaCO, OTaCO and O₂Ta(CO)₂, which have been isolated in argon matrices and identified by their FTIR spectra and a comparison of the spectra of O_xW(CO)_y. Annealing of matrix isolated sample results in the growth of OTaCO and O₂Ta(CO)₂, and further 266nm laser irradiation leads to the increase of OTaCO as well as the formation of O₂TaCO.

Key words: Matrix isolation, FTIR spectra, Laser ablation, Ta, Carbon dioxide

CLC Number:

O643

TrendMD:

CHEN Mo-Hua, WANG Xue-Feng, ZHANG Lu-Ning, QIN Qi-Zong . Reaction Products of 532nm Laser Ablation of Ta with Carbon Dioxide Studied by Matrix Isolation Infrared Spectroscopy[J]. Chem. J. Chinese Universities, 1999, 20(10): 1619.

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Reaction Products of 532nm Laser Ablation of Ta with Carbon Dioxide Studied by Matrix Isolation Infrared Spectroscopy

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