The adsorption of CO gas on the surface of boron nitride incorporating 2D carbon allotropes: a DFT analysis

The adsorption properties of different Carbon allotropes (i.e., graphene, γ -graphyne, Mobius graphene, and R-graphyne) and their corresponding Boron (N) and Nitrogen (N) incorporated BCN nanostructures toward carbon monoxide (CO) gas are studied via density functional theory calculation. All the ad...

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Bibliographic Details
Published in:Physica scripta 2024-06, Vol.99 (6), p.659
Main Authors: Ahmed, Mohammad Tanvir, Roy, Debashis, Roman, Abdullah Al, Kowser, Zannatul, Islam, Shariful, Ahmed, Farid
Format: Article
Language:English
Subjects:
adsorption
BCN
DFT
graphyne
sensor
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Summary:The adsorption properties of different Carbon allotropes (i.e., graphene, γ -graphyne, Mobius graphene, and R-graphyne) and their corresponding Boron (N) and Nitrogen (N) incorporated BCN nanostructures toward carbon monoxide (CO) gas are studied via density functional theory calculation. All the adsorbents demonstrated negative formation energies and real frequencies, i.e., can be synthesized and have dynamical stability. The adsorption energies have increased due to B and N incorporation, although still comparatively low for practical application. The highest adsorption energy with suitable recovery time is observed for the Mobius BCN structure, about −0.112 eV and 77.8 ps, respectively. Very nominal charge transfer is observed via Mulliken charge distribution and electrostatic potential map analysis. The changes in energy gap and electrical conductivity are observed due to CO adsorption.
ISSN:0031-8949
1402-4896
DOI:10.1088/1402-4896/ad4de7