Zr-doped AgNbO3 with enhanced visible light-induced photocatalytic performance

Chun Mun Khor; Mohammad Mansoob Khan; Mohd Yusuf Khan; Abuzar Khan; Mohammad Hilni Harunsani

doi:10.1016/j.rechem.2023.100891

Zr-doped AgNbO₃ with enhanced visible light-induced photocatalytic performance

Chun Mun Khor, Mohammad Mansoob Khan, Mohd Yusuf Khan, Abuzar Khan, Mohammad Hilni Harunsani^*

^*Corresponding author for this work

Interdisciplinary Research Center for Hydrogen Technologies and Carbon Management

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

4 Scopus citations

Abstract

Investigation of the effects of Zr-doping in silver niobate (AgNbO₃) had been carried out to improve the photocatalytic performance of AgNbO₃. The X-ray diffraction patterns of the AgNbO₃ and Zr-doped AgNbO₃ showed that the materials are pure and have no overall change in phase upon Zr-doping. The Fourier transform infrared spectra showed an intense wide band due to bonding between Nb and O which is observed within the specified range of AgNbO₃. Field emission scanning electron microscopy analysis showed that the particle size decreases with increasing Zr-doping. Tauc plots derived from the UV–Vis absorption spectra showed that Zr-doping has a limited effect on band gap narrowing. Furthermore, the photoluminescence data was indicative of lowered charge recombination rate in the Zr-doped AgNbO₃ compared to AgNbO₃. The photocatalytic performance of Zr-doped AgNbO₃ was also studied for the degradation of RhB and MB dyes under visible light.

Original language	English
Article number	100891
Journal	Results in Chemistry
Volume	5
DOIs	https://doi.org/10.1016/j.rechem.2023.100891
State	Published - Jan 2023

Bibliographical note

Publisher Copyright:
© 2023 The Author(s)

Keywords

AgNbO
Charge carrier dynamics
Photocatalysis
Photoluminescence study
Zr-doping

ASJC Scopus subject areas

General Chemistry

Access to Document

10.1016/j.rechem.2023.100891

Cite this

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title = "Zr-doped AgNbO3 with enhanced visible light-induced photocatalytic performance",

abstract = "Investigation of the effects of Zr-doping in silver niobate (AgNbO3) had been carried out to improve the photocatalytic performance of AgNbO3. The X-ray diffraction patterns of the AgNbO3 and Zr-doped AgNbO3 showed that the materials are pure and have no overall change in phase upon Zr-doping. The Fourier transform infrared spectra showed an intense wide band due to bonding between Nb and O which is observed within the specified range of AgNbO3. Field emission scanning electron microscopy analysis showed that the particle size decreases with increasing Zr-doping. Tauc plots derived from the UV–Vis absorption spectra showed that Zr-doping has a limited effect on band gap narrowing. Furthermore, the photoluminescence data was indicative of lowered charge recombination rate in the Zr-doped AgNbO3 compared to AgNbO3. The photocatalytic performance of Zr-doped AgNbO3 was also studied for the degradation of RhB and MB dyes under visible light.",

keywords = "AgNbO, Charge carrier dynamics, Photocatalysis, Photoluminescence study, Zr-doping",

author = "Khor, {Chun Mun} and Khan, {Mohammad Mansoob} and Khan, {Mohd Yusuf} and Abuzar Khan and Harunsani, {Mohammad Hilni}",

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year = "2023",

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doi = "10.1016/j.rechem.2023.100891",

language = "English",

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AU - Khor, Chun Mun

AU - Khan, Mohammad Mansoob

AU - Khan, Mohd Yusuf

AU - Khan, Abuzar

AU - Harunsani, Mohammad Hilni

PY - 2023/1

Y1 - 2023/1

N2 - Investigation of the effects of Zr-doping in silver niobate (AgNbO3) had been carried out to improve the photocatalytic performance of AgNbO3. The X-ray diffraction patterns of the AgNbO3 and Zr-doped AgNbO3 showed that the materials are pure and have no overall change in phase upon Zr-doping. The Fourier transform infrared spectra showed an intense wide band due to bonding between Nb and O which is observed within the specified range of AgNbO3. Field emission scanning electron microscopy analysis showed that the particle size decreases with increasing Zr-doping. Tauc plots derived from the UV–Vis absorption spectra showed that Zr-doping has a limited effect on band gap narrowing. Furthermore, the photoluminescence data was indicative of lowered charge recombination rate in the Zr-doped AgNbO3 compared to AgNbO3. The photocatalytic performance of Zr-doped AgNbO3 was also studied for the degradation of RhB and MB dyes under visible light.

AB - Investigation of the effects of Zr-doping in silver niobate (AgNbO3) had been carried out to improve the photocatalytic performance of AgNbO3. The X-ray diffraction patterns of the AgNbO3 and Zr-doped AgNbO3 showed that the materials are pure and have no overall change in phase upon Zr-doping. The Fourier transform infrared spectra showed an intense wide band due to bonding between Nb and O which is observed within the specified range of AgNbO3. Field emission scanning electron microscopy analysis showed that the particle size decreases with increasing Zr-doping. Tauc plots derived from the UV–Vis absorption spectra showed that Zr-doping has a limited effect on band gap narrowing. Furthermore, the photoluminescence data was indicative of lowered charge recombination rate in the Zr-doped AgNbO3 compared to AgNbO3. The photocatalytic performance of Zr-doped AgNbO3 was also studied for the degradation of RhB and MB dyes under visible light.

KW - AgNbO

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KW - Photocatalysis

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