Exploration of the different dimensions of wurtzite ZnO structure nanomaterials as gas sensors at room temperature

Ramike, Matshidiso P.; Ndungu, Patrick; Mamo, Messai A.

Exploration of the different dimensions of wurtzite ZnO structure nanomaterials as gas sensors at room temperature

dc.contributor.author	Ramike, Matshidiso P.
dc.contributor.author	Ndungu, Patrick
dc.contributor.author	Mamo, Messai A.
dc.date.accessioned	2024-10-25T10:53:46Z
dc.date.available	2024-10-25T10:53:46Z
dc.date.issued	2023-10-23
dc.description	DATA AVAILABILITY : Data is available when request made.	en_US
dc.description	SUPPLEMENTARY MATERIALS : FIGURE S1: Sensors performance measurement setup; FIGURE S2: FTIR spectra of the (a) synthesized ZnO nanostructures, i.e., nanoflowers (N.F.), nanosheets (N.S.), nanorods (N.R.), and nanoparticles (N.P.); (b) candle soot, and (c) purchased cellulose acetate respectively; FIGURE S3: BET isotherm; FIGURE S4: UV-vis diffuse reflectance spectra and bandgap energy values of the (a) synthesized ZnO nanostructures, i.e., nanoflowers (N.F.), nanosheets (N.S.), nanorods (N.R.), and nanoparticles (N.P.); (b) candle soot, and (c) purchased cellulose acetate; FIGURE S5. Dynamic response and recovery curves 3:1:1 mass ratio towards ethanol vapor (a) nanoparticles and (b) calibration curve; (c) nanorod and (d) its calibration curve; (e) nanoflower (f) its calibration curve; FIGURE S6. Dynamic response and recovery curves 2:1:1 mass ratio towards ethanol vapor (g) nanorod and (h) calibration curve; (i) nanosheet and (j) its calibration curve; (k) nanoflower (l) its calibration curve; FIGURE S7: Dynamic response and recovery curves 1:1:1 mass ratio of towards isopropanol vapor (a) nanorod and (b) calibration curve; (c) nanosheet and (d) its calibration curve; (e) nanoflower (f) its calibration curve; FIGURE S8: Static response and recovery curves 1:1:1 mass ratio of towards methanol; TABLE S1: Band gap energy (Eg), Average crystallite size (d) and surface area (A) of nanostructured oxides; TABLE S2: Summary of the performance of the fabricated sensors when detecting ethanol vapour; TABLE S3: Summary of the performance of the fabricated sensors when detecting isopropanol vapor [67–72].	en_US
dc.description.abstract	Please read abstract in the article.	en_US
dc.description.department	Chemistry	en_US
dc.description.librarian	am2024	en_US
dc.description.sdg	None	en_US
dc.description.sponsorship	The National Research Foundation of South Africa and the Centre for Nanomaterials Sciences Research, University of Johannesburg, South Africa.	en_US
dc.description.uri	https://www.mdpi.com/journal/nanomaterials	en_US
dc.identifier.citation	Ramike, M.P.; Ndungu, P.G.; Mamo, M.A. Exploration of the Different Dimensions of Wurtzite ZnO Structure Nanomaterials as Gas Sensors at Room Temperature. Nanomaterials 2023, 13, 2810. https://DOI.org/10.3390/nano13202810.	en_US
dc.identifier.issn	2079-4991 (online)
dc.identifier.other	10.3390/nano13202810
dc.identifier.uri	http://hdl.handle.net/2263/98781
dc.language.iso	en	en_US
dc.publisher	MDPI	en_US
dc.rights	© 2023 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license.	en_US
dc.subject	Semiconductor metal oxides	en_US
dc.subject	Gas sensor	en_US
dc.subject	VOCs	en_US
dc.subject	Polymer composites	en_US
dc.subject	Sensor performance	en_US
dc.subject	X-ray diffraction (XRD)	en_US
dc.subject	Nitrogen sorption	en_US
dc.subject	Fourier transform infrared (FTIR)	en_US
dc.subject	Scanning electron microscopy (SEM)	en_US
dc.subject	Raman spectroscopy	en_US
dc.subject	UV–Vis	en_US
dc.subject	XPS analysis	en_US
dc.subject	Transmission electron microscopy (TEM)	en_US
dc.title	Exploration of the different dimensions of wurtzite ZnO structure nanomaterials as gas sensors at room temperature	en_US
dc.type	Article	en_US