Abstract The detection of organophosphate pesticides namely, malathion and ethyl parathion by e-Arsenene nanosheet (e-AsNS) are examined by applying the density functional theory method. The robust demeanor of e-AsNS is… Click to show full abstract
Abstract The detection of organophosphate pesticides namely, malathion and ethyl parathion by e-Arsenene nanosheet (e-AsNS) are examined by applying the density functional theory method. The robust demeanor of e-AsNS is verified first and then the target molecules are made to adsorb on the top- and valley-site of e-AsNS. Besides, the projected density of states spectrum, energy band gap, and electron density are the electronic features, which are evaluated for the isolated and target molecule interacted e-AsNS to perform atom-level calculations. In addition, to have an insight on the surface-level modifications of e-AsNS, the adsorption features like average energy gap alteration, Bader charge transfer, and adsorption energy are figured out for the target molecule adsorbed e-AsNS. The exploration of these properties concludes the employment of e-Arsenene nanosheet as a chemi-resistive based sensor to sense the target molecules, malathion, and ethyl parathion.
               
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