Structural, morphological, optical and electrochemical characterization of Ag2O/ZnO and ZnO/Ag2O nanocomposites

W. H. Al-Qahtani; G. Murugadoss; K. Narthana; M. R. Kumar; J. R. Rajabathar; A. Kathalingam

doi:10.15251/JOR.2022.182.187

Structural, morphological, optical and electrochemical characterization of Ag₂O/ZnO and ZnO/Ag₂O nanocomposites

W. H. Al-Qahtani, G. Murugadoss, K. Narthana, M. R. Kumar, J. R. Rajabathar, A. Kathalingam

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

In this paper, well-crystalline Ag₂O/ZnO and ZnO/Ag₂O nanocomposites were prepared by a facile chemical method. Structural, morphological and optical properties of the nanocomposite were studied using various advanced characterization techniques such as X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), Fourier-transform infrared spectroscopy (FTIR), UV-Visible (UV-Vis) and photoluminescence (PL) spectroscopy. The Ag₂O and ZnO were clearly identified in the composite from SEM and TEM. Significant shifting observed in the both UV-Vis and PL spectroscopy. In addition, electrocatalytic activity of the Ag₂O/ZnO and ZnO/Ag₂O nanocomposites studied by an electrochemical workstation. The ZnO/Ag₂O nanocomposites showed better optical and electrochemical properties due to decorating the low-band gap Ag₂O on the surface of hexagonal structure ZnO nanoparticles.

Original language	English
Pages (from-to)	187-194
Number of pages	8
Journal	Journal of Ovonic Research
Volume	18
Issue number	2
DOIs	https://doi.org/10.15251/JOR.2022.182.187
State	Published - 1 Mar 2022

Keywords

Blue shift
Electrochemistry
Heterostructure
Nanocomposite
Photoluminescence

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title = "Structural, morphological, optical and electrochemical characterization of Ag2O/ZnO and ZnO/Ag2O nanocomposites",

abstract = "In this paper, well-crystalline Ag2O/ZnO and ZnO/Ag2O nanocomposites were prepared by a facile chemical method. Structural, morphological and optical properties of the nanocomposite were studied using various advanced characterization techniques such as X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), Fourier-transform infrared spectroscopy (FTIR), UV-Visible (UV-Vis) and photoluminescence (PL) spectroscopy. The Ag2O and ZnO were clearly identified in the composite from SEM and TEM. Significant shifting observed in the both UV-Vis and PL spectroscopy. In addition, electrocatalytic activity of the Ag2O/ZnO and ZnO/Ag2O nanocomposites studied by an electrochemical workstation. The ZnO/Ag2O nanocomposites showed better optical and electrochemical properties due to decorating the low-band gap Ag2O on the surface of hexagonal structure ZnO nanoparticles.",

keywords = "Blue shift, Electrochemistry, Heterostructure, Nanocomposite, Photoluminescence",

author = "Al-Qahtani, {W. H.} and G. Murugadoss and K. Narthana and Kumar, {M. R.} and Rajabathar, {J. R.} and A. Kathalingam",

year = "2022",

month = mar,

day = "1",

doi = "10.15251/JOR.2022.182.187",

language = "English",

volume = "18",

pages = "187--194",

journal = "Journal of Ovonic Research",

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T1 - Structural, morphological, optical and electrochemical characterization of Ag2O/ZnO and ZnO/Ag2O nanocomposites

AU - Al-Qahtani, W. H.

AU - Murugadoss, G.

AU - Narthana, K.

AU - Kumar, M. R.

AU - Rajabathar, J. R.

AU - Kathalingam, A.

PY - 2022/3/1

Y1 - 2022/3/1

N2 - In this paper, well-crystalline Ag2O/ZnO and ZnO/Ag2O nanocomposites were prepared by a facile chemical method. Structural, morphological and optical properties of the nanocomposite were studied using various advanced characterization techniques such as X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), Fourier-transform infrared spectroscopy (FTIR), UV-Visible (UV-Vis) and photoluminescence (PL) spectroscopy. The Ag2O and ZnO were clearly identified in the composite from SEM and TEM. Significant shifting observed in the both UV-Vis and PL spectroscopy. In addition, electrocatalytic activity of the Ag2O/ZnO and ZnO/Ag2O nanocomposites studied by an electrochemical workstation. The ZnO/Ag2O nanocomposites showed better optical and electrochemical properties due to decorating the low-band gap Ag2O on the surface of hexagonal structure ZnO nanoparticles.

AB - In this paper, well-crystalline Ag2O/ZnO and ZnO/Ag2O nanocomposites were prepared by a facile chemical method. Structural, morphological and optical properties of the nanocomposite were studied using various advanced characterization techniques such as X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), Fourier-transform infrared spectroscopy (FTIR), UV-Visible (UV-Vis) and photoluminescence (PL) spectroscopy. The Ag2O and ZnO were clearly identified in the composite from SEM and TEM. Significant shifting observed in the both UV-Vis and PL spectroscopy. In addition, electrocatalytic activity of the Ag2O/ZnO and ZnO/Ag2O nanocomposites studied by an electrochemical workstation. The ZnO/Ag2O nanocomposites showed better optical and electrochemical properties due to decorating the low-band gap Ag2O on the surface of hexagonal structure ZnO nanoparticles.

KW - Blue shift

KW - Electrochemistry

KW - Heterostructure

KW - Nanocomposite

KW - Photoluminescence

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DO - 10.15251/JOR.2022.182.187

M3 - Article

AN - SCOPUS:85128991513

SN - 1842-2403

VL - 18

SP - 187

EP - 194

JO - Journal of Ovonic Research

JF - Journal of Ovonic Research

IS - 2

ER -

Structural, morphological, optical and electrochemical characterization of Ag₂O/ZnO and ZnO/Ag₂O nanocomposites

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