eprintid: 15231
rev_number: 2
eprint_status: archive
userid: 1
dir: disk0/00/01/52/31
datestamp: 2023-11-10 03:29:51
lastmod: 2023-11-10 03:29:51
status_changed: 2023-11-10 01:58:58
type: article
metadata_visibility: show
creators_name: Lee, Z.Y.
creators_name: Hawari, H.F.B.
creators_name: Djaswadi, G.W.B.
creators_name: Kamarudin, K.
title: A highly sensitive room temperature co2 gas sensor based on sno2-rgo hybrid composite
ispublished: pub
keywords: Carbon dioxide; Chemical sensors; Field emission microscopes; Gas detectors; Gases; Graphene; Low power electronics; Reduced Graphene Oxide; Scanning electron microscopy; Tin dioxide; Tin oxides; X ray photoelectron spectroscopy, Carbon dioxide concentrations; Energy dispersive x-ray; Energy-density batteries; Field emission scanning electron microscopy; Low detection limit; Material characterization techniques; Reduced graphene oxides (RGO); Transport capabilities, High resolution transmission electron microscopy
note: cited By 28
abstract: A tin oxide (SnO2 ) and reduced graphene oxide (rGO) hybrid composite gas sensor for high-performance carbon dioxide (CO2 ) gas detection at room temperature was studied. Since it can be used independently from a heater, it emerges as a promising candidate for reducing the complexity of device circuitry, packaging size, and fabrication cost; furthermore, it favors integration into portable devices with a low energy density battery. In this study, SnO2-rGO was prepared via an in-situ chemical reduction route. Dedicated material characterization techniques including field emission scanning electron microscopy (FESEM), high-resolution transmission electron microscopy (HRTEM), energy dispersive X-ray (EDX) spectroscopy, Raman spectroscopy, and X-ray photoelectron spectroscopy (XPS) were conducted. The gas sensor based on the synthesized hybrid composite was successfully tested over a wide range of carbon dioxide concentrations where it exhibited excellent response magnitudes, good linearity, and low detection limit. The synergistic effect can explain the obtained hybrid gas sensor�s prominent sensing properties between SnO2 and rGO that provide excellent charge transport capability and an abundance of sensing sites. © 2020 by the authors. Licensee MDPI, Basel, Switzerland.
date: 2021
publisher: MDPI AG
official_url: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85099744286&doi=10.3390%2fma14030522&partnerID=40&md5=323b989e21d2059e5477302add254e7a
id_number: 10.3390/ma14030522
full_text_status: none
publication: Materials
volume: 14
number: 3
pagerange: 1-16
refereed: TRUE
issn: 19961944
citation:   Lee, Z.Y. and Hawari, H.F.B. and Djaswadi, G.W.B. and Kamarudin, K.  (2021) A highly sensitive room temperature co2 gas sensor based on sno2-rgo hybrid composite.  Materials, 14 (3).  pp. 1-16.  ISSN 19961944