当前位置: X-MOL 学术IEEE Electron Device Lett. › 论文详情
Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
Sensing Performance of SO₂, SO₃ and NO₂ Gas Molecules on 2D Pentagonal PdSe₂: A First-Principle Study
IEEE Electron Device Letters ( IF 4.9 ) Pub Date : 2021-02-16 , DOI: 10.1109/led.2021.3059667
Xinyan Xia , Shiying Guo , Lili Xu , Tingting Guo , Zhenhua Wu , Shengli Zhang

In this letter, we systematically study the adsorption and sensing properties of SO 2 , SO 3 and NO 2 on 2D pentagonal PdSe 2 by combining density functional theory and nonequilibrium Green’s function. The calculated adsorption energy, charge transfer, electron localization functional, and density of states indicate PdSe 2 monolayer is more sensitive to NO 2 and SO 3 gases than other gases. Moreover, the current-voltage curve of PdSe 2 monolayer shows a significant difference after adsorption of NO 2 and the sensitivity is up to 399%. Thus, PdSe 2 monolayer has the potential to be a gas sensing material in detecting toxic NO 2 with high sensitivity and excellent reusability.

中文翻译:

SO 2,SO 3和NO 2气体分子对二维五边形PdSe 2的传感性能:第一性原理研究

在本文中,我们结合密度泛函理论和非平衡格林函数系统研究了SO 2 ,SO 3和NO 2在二维五角形PdSe 2上 的吸附和传感特性 。计算出的吸附能,电荷转移,电子定位功能和态密度表明,PdSe 2单层比其他气体对NO 2和SO 3气体更敏感 。此外,PdSe 2单层的电流-电压曲线 在吸附NO 2之后显示出明显的差异, 并且灵敏度高达399%。因此,PdSe 2单层膜有可能成为气体检测材料,具有高灵敏度和出色的可重复使用性,可用于检测有毒NO 2
更新日期:2021-03-26
down
wechat
bug