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Quantum Chemistry Calculation on Oxygen and Nitrogen Adsorption in Carbon Nanotude

Quantum Chemistry Calculation on Oxygen and Nitrogen Adsorptionin Carbon Nanotude
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摘要 Oxygen and nitrogen adsorption in single walled carbon nanotube (SWCNT) is studied by density function and discrete variational (DFT-DVM) method.The models of O 2 and N 2 adsorption in the SWCNT are optimized based on the energy minimization.The calculated results of density of state,populations and energy gaps of the molecular orbitals show that oxygen adsorption in SWCNT increases the carbon nanotube`s electrical conductivity more notably than nitrogen adsorption,which is consistent with the experiment. Oxygen and nitrogen adsorption in single walled carbon nanotube (SWCNT) is studied by density function and discrete variational (DFT-DVM) method.The models of O 2 and N 2 adsorption in the SWCNT are optimized based on the energy minimization.The calculated results of density of state,populations and energy gaps of the molecular orbitals show that oxygen adsorption in SWCNT increases the carbon nanotube`s electrical conductivity more notably than nitrogen adsorption,which is consistent with the experiment.
作者 闵新民
出处 《Journal of Wuhan University of Technology(Materials Science)》 SCIE EI CAS 2003年第1期1-3,共3页 武汉理工大学学报(材料科学英文版)
基金 FundedbytheOpenFoundationofStateKeyLaboratoryofAdvancedTechnologyforMaterialsSynthesisandProcessing ,WuhanUniversityofTechnology
关键词 single walled carbon nanotube quantum chemistry calculation ADSORPTION electronic conductivity single walled carbon nanotube quantum chemistry calculation adsorption electronic conductivity
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