Synthesis and Deposition of 2D Nanomaterials for Optoelectronics, Photocatalysis and Sensing

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "2D and Carbon Nanomaterials".

Deadline for manuscript submissions: closed (31 August 2021) | Viewed by 3352

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Guest Editor
Institute of Material Science (ICMUV), University of Valencia, Valencia, Spain
Interests: synthesis of nanomaterials; conducting polymers; nanocomposites; metal nanoparticles; metal oxides; semiconducting perovskites; quantum dots; photocatalysis; electrocatalysis; plasmonics; photovoltaics; optoelectronics; thermoelectrics; sensors

Special Issue Information

The Special Issue is dedicated to highlighting relevant advances in the field of two-dimensional nanomaterials and their applications. 2D nanomaterials possess the highest surface-to-volume ratio of any materials: every atom is a surface atom. As a result, they show tremendous potential in applications where the interaction of the material with the surrounding environment is the key parameter. 2D nanomaterials show outstanding electrical and optical properties due to the ability to control the electronic state at the surface of the 2D materials and the possibility of chemical and structural modifications. This offers new opportunities to use the 2D nanomaterials in optoelectronics and catalysis in many different chemical reactions. 2D material-based sensors can clearly enhance sensing performances in terms of sensitivity and detection limits, down to the detection of single molecules using different types of transduction mechanism.

This Special Issue of Nanomaterials, entitled "Synthesis and Deposition of 2D Nanomaterials for Optoelectronics, Photocatalysis, and Sensing" aims to cover aspects of using 2D nanomaterials for optoelectronics, sensing, and catalysis purposes. A primary focus of this collection is the synthesis of 2D nanomaterials and integration with other nanomaterials into novel and innovative sensing and catalytic and optoelectronic devices that could impact the environmental, security, and health sectors. Welcomed formats include full papers, communications, and reviews.

Dr. Rafael Abargues
Guest Editor

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Keywords

  • 2D nanomaterials synthesis and characterisation
  • 2D nanomaterials coating and printing
  • Graphene
  • 2D semiconductor
  • 2D Perovskite
  • chemical sensors
  • catalysis
  • photocatalysis
  • electrocatalysis
  • nanocatalysis
  • Optoelectronics

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Published Papers (1 paper)

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Research

9 pages, 1406 KiB  
Article
Two-Dimensional Indium Selenide for Sulphur Vapour Sensing Applications
by Daniel Andres-Penares, Rodolfo Canet-Albiach, Jaume Noguera-Gomez, Juan P. Martínez-Pastor, Rafael Abargues and Juan F. Sánchez-Royo
Nanomaterials 2020, 10(7), 1396; https://doi.org/10.3390/nano10071396 - 18 Jul 2020
Cited by 3 | Viewed by 2918
Abstract
Surface-to-volume ratio in two-dimensional (2D) materials highlights among their characteristics as an inherent and intrinsic advantage taking into account their strong sensitivity to surface effects. For this reason, we have proposed in this work micromechanically exfoliated 2D nanosheets of InSe as an optical [...] Read more.
Surface-to-volume ratio in two-dimensional (2D) materials highlights among their characteristics as an inherent and intrinsic advantage taking into account their strong sensitivity to surface effects. For this reason, we have proposed in this work micromechanically exfoliated 2D nanosheets of InSe as an optical vapour sensor. As a proof of concept, we used 2-mercaptoethanol as the chemical analyte in vapour phase to monitor the change of the InSe photoluminescence (PL) before and after exposure to the analyte. For short vapour exposure times (at low analyte concentration), we found a PL enhancement of InSe nanosheets attributed to the surface localization of Se defects. For long vapour exposure times (or higher concentrations) a PL reduction is observed, probably due to the diffusion of molecules within the nanosheet. These results confirm the capability of 2D InSe as a photoluminescent sensor of vapours, because of its sensitivity to surface passivation or volume diffusion of molecules. Full article
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