引用本文:
辛梅, 翟润生, 张林虎, 郭燮贤. 气相存在下CO在Pd上非线性脱附动力学的研究[J]. 物理化学学报,
1995, 11(01): 38-45.
doi:
10.3866/PKU.WHXB19950108
Citation: Xin Mei, Zhai Run-Sheng, Zhang Lin-Hu, Guo Xie-Xian. A Study on the Nonlinear Kinetics of CO Desorption under the Gas Ambience on Pd[J]. Acta Physico-Chimica Sinica, 1995, 11(01): 38-45. doi: 10.3866/PKU.WHXB19950108
Citation: Xin Mei, Zhai Run-Sheng, Zhang Lin-Hu, Guo Xie-Xian. A Study on the Nonlinear Kinetics of CO Desorption under the Gas Ambience on Pd[J]. Acta Physico-Chimica Sinica, 1995, 11(01): 38-45. doi: 10.3866/PKU.WHXB19950108
气相存在下CO在Pd上非线性脱附动力学的研究
English
A Study on the Nonlinear Kinetics of CO Desorption under the Gas Ambience on Pd
Abstract:
The kinetics of CO desorption on Pd(111) has been studied by using isotope switch method under the gas-phase pressures of single isotope and mixed ones. The experiments show that the desorption kinetics is non-linear and is first order plus second order on the saturated surface. Based on the delocalized chemisorptions model and gas-surface exchange mechanism, the analytic expressions for the desorption kinetics are derived and a dynamic reasoning of the non-linear kinetics has been described in detail.
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Key words:
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Adsorption
- / Desorption
- / Exchange
- / Kinetics
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