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Authors = Saino Hanna Varghese

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37 pages, 2382 KiB  
Review
Two-Dimensional Materials for Sensing: Graphene and Beyond
by Seba Sara Varghese, Saino Hanna Varghese, Sundaram Swaminathan, Krishna Kumar Singh and Vikas Mittal
Electronics 2015, 4(3), 651-687; https://doi.org/10.3390/electronics4030651 - 18 Sep 2015
Cited by 387 | Viewed by 21837
Abstract
Two-dimensional materials have attracted great scientific attention due to their unusual and fascinating properties for use in electronics, spintronics, photovoltaics, medicine, composites, etc. Graphene, transition metal dichalcogenides such as MoS2, phosphorene, etc., which belong to the family of two-dimensional materials, [...] Read more.
Two-dimensional materials have attracted great scientific attention due to their unusual and fascinating properties for use in electronics, spintronics, photovoltaics, medicine, composites, etc. Graphene, transition metal dichalcogenides such as MoS2, phosphorene, etc., which belong to the family of two-dimensional materials, have shown great promise for gas sensing applications due to their high surface-to-volume ratio, low noise and sensitivity of electronic properties to the changes in the surroundings. Two-dimensional nanostructured semiconducting metal oxide based gas sensors have also been recognized as successful gas detection devices. This review aims to provide the latest advancements in the field of gas sensors based on various two-dimensional materials with the main focus on sensor performance metrics such as sensitivity, specificity, detection limit, response time, and reversibility. Both experimental and theoretical studies on the gas sensing properties of graphene and other two-dimensional materials beyond graphene are also discussed. The article concludes with the current challenges and future prospects for two-dimensional materials in gas sensor applications. Full article
(This article belongs to the Special Issue Two-Dimensional Electronics - Prospects and Challenges)
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