Issue

Vol. 12 (2020)

State of the Art in Alcohol Sensing with 2D Materials

https://doi.org/10.1007/s40820-019-0363-0
Ramin Boroujerdi
Faculty of Science and Technology, Bournemouth University, Talbot Campus, Fern Barrow, Poole BH12 5BB, UK
Amor Abdelkader
Faculty of Science and Technology, Bournemouth University, Talbot Campus, Fern Barrow, Poole BH12 5BB, UK
Richard Paul
Faculty of Science and Technology, Bournemouth University, Talbot Campus, Fern Barrow, Poole BH12 5BB, UK

Corresponding Author: Richard Paul

rpaul@bournemouth.ac.uk

Nano-Micro Letters, Vol. 12 (2020), Article Number: 33

Abstract

Since the discovery of graphene, the star among new materials, there has been a surge of attention focused on the monatomic and monomolecular sheets which can be obtained by exfoliation of layered compounds. Such materials are known as two-dimensional (2D) materials and offer enormous versatility and potential. The ultimate single atom, or molecule, thickness of the 2D materials sheets provides the highest surface to weight ratio of all the nanomaterials, which opens the door to the design of more sensitive and reliable chemical sensors. The variety of properties and the possibility of tuning the chemical and surface properties of the 2D materials increase their potential as selective sensors, targeting chemical species that were previously difficult to detect. The planar structure and the mechanical flexibility of the sheets allow new sensor designs and put 2D materials at the forefront of all the candidates for wearable applications. When developing sensors for alcohol, the response time is an essential factor for many industrial and forensic applications, particularly when it comes to hand-held devices. Here, we review recent developments in the applications of 2D materials in sensing alcohols along with a study on parameters that affect the sensing capabilities. The review also discusses the strategies used to develop the sensor along with their mechanisms of sensing and provides a critique of the current limitations of 2D materials-based alcohol sensors and an outlook for the future research required to overcome the challenges.


Highlights:


1 A current review on the applications of graphene and other two-dimensional (2D) materials in alcohol detection.
2 A thorough discussion on the fundamental principles and the advantages of using 2D materials in sensing alcohol.
3 Critical discussion of the current limitations of alcohol sensors and the role of 2D materials in addressing the challenges.

Keywords

Sensors and biosensors Alcohol probes Electrochemical detectors Ethanol metabolites 2D materials
Boroujerdi, Ramin, Amor Abdelkader, and Richard Paul. 2020. “State of the Art in Alcohol Sensing With 2D Materials”. Nano-Micro Letters 12 (January):33. https://doi.org/10.1007/s40820-019-0363-0.
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