Adsorption of the Gas Molecules NH3, NO, NO2, and CO on Borophene

被引：109

作者：

Huang, Chieh-Szu ^{[1
]}

Murat, Altynbek ^{[1
]}

Babar, Vasudeo ^{[1
]}

Montes, Enrique ^{[1
]}

Schwingenschlogl, Udo ^{[1
]}

机构：

[1] King Abdullah Univ Sci & Technol, Phys Sci & Engn Div PSE, Jeddah 239556900, Saudi Arabia

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2018年 / 122卷 / 26期

关键词：

1ST-PRINCIPLES; PHOSPHORENE; MOS2;

D O I：

10.1021/acs.jpcc.8b03811

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Two-dimensional materials can be utilized to detect gas molecules in low concentration due to their high surface-to-volume ratios. In this respect, we investigate in the present work recently fabricated borophene, two-dimensional B, which has buckled and line-defective phases. Both are systematically studied for four gas molecules: NH3, NO, NO2, and CO. In each case, the adsorption energy is found to be high and borophene develops distinct wrinkles. Our results provide a thorough understanding of the interaction between borophene and the gas molecules. An excellent performance of borophene as gas sensor is demonstrated by simulating the material's transport characteristics by means of the nonequilibrium Green's function method.

引用

页码：14665 / 14670

页数：6

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