Interaction of carbon dioxide with Fe(110), stepped Fe(100) and Fe(111) |
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| Affiliation: | 1. College of Physics and Electronic Engineering, Henan Normal University, Xinxiang, Henan 453007, China;2. Collaborative Innovation Center of Nano Functional Materials and Applications, Kaifeng, Henan, China;1. School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang 310018, PR China;2. Zhejiang NHU Company Ltd., Xinchang 312500, PR China;3. Key Laboratory of Organosilicon Chemistry and Material Technology, Hangzhou Normal University, Hangzhou 311121, PR China;1. Engineering Laboratory of Energy System Process Conversion and Emission Reduction Technology of Jiangsu Province, School of Energy & Mechanical Engineering, Nanjing Normal University, Nanjing, 210046, PR China;2. Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing, 210096, Jiangsu, PR China |
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| Abstract: | ![]()
The adsorption of CO2 on single crystal surfaces of Fe(110), regularly stepped Fe(110) and Fe(111) in the temperature range between 77 and 340 K was studied by means of He(I) UPS and measurements of the change in work function. The smooth Fe(110) face proved to be completely inactive with respect to CO2 adsorption. On a stepped Fe(110) and an Fe(111) face CO2 is adsorbed at 77 K in the form of a linear molecule and in the form of a species the nature of which is not yet clarified. This latter form is predominant at 140 K. With increasing temperature decomposition into CO and O and finally into C and O takes place. |
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