Table of Contents
Sensors, Volume 18, Issue 11 (November 2018)
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Cover Story (view full-size image) Any interaction of a gas molecule with a sensing system takes place at the surface of the system. [...] Read more. Any interaction of a gas molecule with a sensing system takes place at the surface of the system. Once an interaction takes place, especially if reversible, this can change the electronic properties of the surface itself. For this reason, due to their nature as “all-surface” materials, two-dimensional (2D) materials are the ultimate materials for gas sensing. In this review, the sensing properties of semiconducting 2D systems like graphene oxide, molybdenite (MoS2), and its twin 2D TMD material WS2, are reviewed along with phosphorene. Issues, prospects, and long-term visions are addressed. View this paper.