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The catalytic performance of metal-free defected carbon catalyst towards acetylene hydrochlorination revealed from first-principles calculation
Ali, Sajjad; Khan, Muhammad Baber Azam; Khan, Said Alam; Noora
2020-12-15
Source PublicationINTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY
Volume120Issue:24
AbstractDefected carbon materials as a metal-free catalyst have shown superior stability and catalytic performance in the acetylene hydrochlorination reaction. Through density functional theory (DFT) calculations, for the first time, several different defected configurations comprising mono and divacancies and Stone Wales defect on single-walled carbon nanotubes (SWCNTs) have been used as a direct catalyst for acetylene hydrochlorination reaction. These defective sites on SWCNTs are the most active site for acetylene hydrochlorination reaction compare to pristine SWCNT. The different configurations of defects have different electronic structures, which specify that monovacancy defects have more states adjacent to the Fermi level. The reactant acetylene (C2H2) adsorbed strongly compared to hydrogen chloride (HCl) and expected to be the initial step of the reaction. Acetylene adsorbed strongly at monovacancy defected SWCNT compared to other investigated defects. Reaction pathway analysis revealed that mono- and divacancy defected SWCNTs have minimum energy barriers and show extraordinary performance toward acetylene hydrochlorination. This work suggests the potential of metal-free defected carbon in catalyzing acetylene hydrochlorination and provides a solid base for future developments in acetylene hydrochlorination.
DOI10.1002/qua.26418
WOS IDWOS:000563788600001
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/82600
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Ali, Sajjad,Khan, Muhammad Baber Azam,Khan, Said Alam,et al. The catalytic performance of metal-free defected carbon catalyst towards acetylene hydrochlorination revealed from first-principles calculation[J]. INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY,2020,120(24).
APA Ali, Sajjad,Khan, Muhammad Baber Azam,Khan, Said Alam,&Noora.(2020).The catalytic performance of metal-free defected carbon catalyst towards acetylene hydrochlorination revealed from first-principles calculation.INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY,120(24).
MLA Ali, Sajjad,et al."The catalytic performance of metal-free defected carbon catalyst towards acetylene hydrochlorination revealed from first-principles calculation".INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY 120.24(2020).
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