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Chemosphere

Title:		Hydrothermal synthesis of copper (?ª?ª) oxide-nanoparticles with highly enhanced BTEX gas sensing performance using chemiresistive sensor
Author(s):		Gounder Thangamani J; Khadheer Pasha SK;
Address:		"Department of Physics, School of Advanced Sciences, VIT University, Vellore, 632014, Tamil Nadu, India. Department of Physics, VIT-AP University, Amaravati, Guntur, 522501, Andhra Pradesh, India. Electronic address: khadheerbasha@gmail.com"
Journal Title:		Chemosphere
Year:		2021
Volume:		20210315
Issue:
Page Number:		130237 -
DOI:		10.1016/j.chemosphere.2021.130237
ISSN/ISBN:		1879-1298 (Electronic) 0045-6535 (Linking)
Abstract:		"In the present work, the cost effective and facile hydrothermal synthesis technique was adopted to synthesize the copper (?ª?ª) oxide (CuO)-Nanoparticles (NPs). Physico-chemical characterization of the synthesized CuO-NPs was done by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), Ultraviolet-visible spectroscopy (UV-Vis), and scanning electron microscopy (SEM) analysis were carried out to study the structural, optical, and surface morphology of nanomaterial. XRD analysis revealed that the synthesized CuO-NPs had monoclinic structure and the average crystallite size is 20 nm. FTIR spectra indicate the vibrational bands of metal oxygen bonds (Cu-O). UV-visible absorption spectra were utilized to determine the energy band gap (E(g)) of the CuO-NPs. In addition, we fabricated the chemiresistive sensor using synthesized CuO-NPs for detecting Volatile Organic Compounds (VOCs). These results demonstrate that CuO-NPs based chemiresistive sensor is ideal for qualitative detection of BTEX chemicals vapors (i.e. Benzene, Toluene, Ethylbenzene, and Xylene)"
Keywords:		"*Copper *Nanoparticles Oxides Spectroscopy, Fourier Transform Infrared X-Ray Diffraction BTEX gases Chemiresistive gas sensor CuO-NPs Hydrothermal synthesis Volatile organic compounds (VOCs);"
Notes:		"MedlineGounder Thangamani, J Khadheer Pasha, S K eng England 2021/08/14 Chemosphere. 2021 Aug; 277:130237. doi: 10.1016/j.chemosphere.2021.130237. Epub 2021 Mar 15"