Adsorption of carbon monoxide on the pristine, B- and Al-doped C3N nanosheets

Verfasser / Beitragende:
[Mansoureh Pashangpour, Ali Peyghan]
Ort, Verlag, Jahr:
2015
Enthalten in:
Journal of Molecular Modeling, 21/5(2015-05-01), 1-7
Format:
Artikel (online)
ID: 605513309
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024 7 0 |a 10.1007/s00894-015-2648-7  |2 doi 
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245 0 0 |a Adsorption of carbon monoxide on the pristine, B- and Al-doped C3N nanosheets  |h [Elektronische Daten]  |c [Mansoureh Pashangpour, Ali Peyghan] 
520 3 |a The potential application of the intrinsic and extrinsic (8,0) zigzag single-walled C3N nansheets as chemical sensor for CO molecules has been investigated using density functional theory calculations. The calculation shows that the pristine sheet is a semiconductor with a HOMO-LUMO gap (Eg) of about 2.19eV. The pristine and B-doped sheets can weakly adsorb a CO molecule with the adsorption energies of -4.8 and −4.6kcal mol-1, and their electronic properties are not sensitive to this molecule. By replacing a C atom with an Al atom, localized impurity states are induced under the conduction level of the sheet. The binding interaction between the CO molecule and the Al-doped sheet becomes much stronger (Ead = −17.8kcal mol-1). After the adsorption of CO on the Al-dope sheet, the Eg of the sheet is significantly decreased from 1.07 to 0.73eV. This leads to a sizable increase in the resistance of the tube. Thus, the Al-doped sheet can show the presence of CO molecules by an electronic signal because of the change in its resistance and conductivity. 
540 |a Springer-Verlag Berlin Heidelberg, 2015 
690 7 |a Sensor  |2 nationallicence 
690 7 |a B3LYP  |2 nationallicence 
690 7 |a DFT  |2 nationallicence 
690 7 |a Graphene  |2 nationallicence 
700 1 |a Pashangpour  |D Mansoureh  |u Department of Physics, College of Science, Islamshahr Branch, Islamic Azad University, Islamshahr, Iran  |4 aut 
700 1 |a Peyghan  |D Ali  |u Young Researchers and Elite club, Central Tehran Branch, Islamic Azad University, Tehran, Iran  |4 aut 
773 0 |t Journal of Molecular Modeling  |d Springer Berlin Heidelberg  |g 21/5(2015-05-01), 1-7  |x 1610-2940  |q 21:5<1  |1 2015  |2 21  |o 894 
856 4 0 |u https://doi.org/10.1007/s00894-015-2648-7  |q text/html  |z Onlinezugriff via DOI 
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900 7 |a Metadata rights reserved  |b Springer special CC-BY-NC licence  |2 nationallicence 
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950 |B NATIONALLICENCE  |P 700  |E 1-  |a Pashangpour  |D Mansoureh  |u Department of Physics, College of Science, Islamshahr Branch, Islamic Azad University, Islamshahr, Iran  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Peyghan  |D Ali  |u Young Researchers and Elite club, Central Tehran Branch, Islamic Azad University, Tehran, Iran  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Journal of Molecular Modeling  |d Springer Berlin Heidelberg  |g 21/5(2015-05-01), 1-7  |x 1610-2940  |q 21:5<1  |1 2015  |2 21  |o 894