Oxides and 2-Dimensional Materials for Chemical Sensors

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Materials Science and Engineering".

Deadline for manuscript submissions: closed (31 December 2019) | Viewed by 2977

Special Issue Editors


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Guest Editor
Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Korea
Interests: chemical sensors for e-nose and e-tongue; memristors; plasmonics; metal–insulator transition; and ferroelectricity
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Division of Advanced Materials Engineering, Jeonbuk National University, Jeonju 54896, Republic of Korea
Interests: nanostructured gas sensor
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Chemical sensors are used to monitor changes in air or liquid ambience. They play an important role in bigger cities, where it is necessary to track changes and protect agaainst pollution. Chemical sensors can be found in industrial environmental monitoring and process control, intentionally or accidentally released harmful chemical detection, and explosive and radioactive detection. Gas sensors are specifically used to monitor changes of outdoor and indoor air quality and detect the presence of various toxic gases. The need to ensure safe food products has driven the development of taste sensors that can surpass human abilities by quantifying analytes. Recently, demand has risen for quick, accurate, and easy methods for the primary diagnosis of diseases such as asthma and the monitoring of body fat using gas sensors. This Special Issue focuses on recent progresses on oxides and 2-dimensional (2D) materials for novel chemical sensing, in which controlled nanoscale structures of thermally and mechanically robust but chemically sensitive oxide and 2D materials are considered very attractive.

We cordially invite you to submit manuscripts on all related topics for this Special Issue " Oxides and 2-Dimensional Materials for Chemical Sensors”. Both theoretical and experimental contributions are welcome.

Prof. Dr. Ho Won Jang
Prof. Dr. Ji-Wook Yoon
Guest Editors

Manuscript Submission Information

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Keywords

  • Oxide nanostructures
  • 2D materials
  • Chemical sensors
  • Gas sensors
  • Liquid sensors
  • Taste sensors
  • Sensor array
  • E-nose
  • E-tongue

Published Papers (1 paper)

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Research

12 pages, 3356 KiB  
Article
First-Principles Study for Gas Sensing of Defective SnSe2 Monolayers
by Wei-Ying Cheng, Huei-Ru Fuh and Ching-Ray Chang
Appl. Sci. 2020, 10(5), 1623; https://doi.org/10.3390/app10051623 - 29 Feb 2020
Cited by 15 | Viewed by 2676
Abstract
We report the interaction between gas molecules (NO2 and NH3) and the SnSe2 monolayers with vacancy and dopants (O and N) for potential applications as gas sensors. Compared with the gas molecular adsorbed on pristine SnSe2 monolayer, the [...] Read more.
We report the interaction between gas molecules (NO2 and NH3) and the SnSe2 monolayers with vacancy and dopants (O and N) for potential applications as gas sensors. Compared with the gas molecular adsorbed on pristine SnSe2 monolayer, the Se-vacancy SnSe2 monolayer obviously enhances sensitivity to NO2 adsorption. The O-doped SnSe2 monolayer shows similar sensitivity to the pristine SnSe2 monolayer when adsorbing NO2 molecule. However, only the N-doped SnSe2 monolayer represents a visible enhancement for NO2 and NH3 adsorption. This work reveals that the selectivity and sensitivity of SnSe2-based gas sensors could be improved by introducing the vacancy or dopants. Full article
(This article belongs to the Special Issue Oxides and 2-Dimensional Materials for Chemical Sensors)
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