2015
DOI: 10.1016/j.jallcom.2015.03.136
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Effect of Ag doping on structural, optical, and photocatalytic properties of ZnO nanoparticles

Abstract: Silver-doped ZnO nanoparticles were successfully fabricated at 400• C via a simple and rapid method based on short time solid state milling and calcination of precursor powders. The effect of Ag dilute doping on the structural, optical, and photocatalytic properties of ZnO nanoparticles was investigated by X-ray diffraction (XRD), UV-vis spectrophotometer and photoluminescence (PL) spectroscopy. X-ray analysis revealed that Ag doped ZnO solidified in hexagonal wurtzite structure. The intensity of deep level em… Show more

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Cited by 281 publications
(145 citation statements)
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“…Energy gaps of Ag-doped ZnO [17] and Fedoped ZnO [18] were found to be decreased when compared to their un-doped structures. Ag-doped ZnO nanoparticles (Ag-doped ZnONPs) were studied, and effect of Ag dilute doping on the structural, optical, and photocatalytic properties of ZnO nanoparticles was investigated [19].…”
Section: Introductionmentioning
confidence: 90%
“…Energy gaps of Ag-doped ZnO [17] and Fedoped ZnO [18] were found to be decreased when compared to their un-doped structures. Ag-doped ZnO nanoparticles (Ag-doped ZnONPs) were studied, and effect of Ag dilute doping on the structural, optical, and photocatalytic properties of ZnO nanoparticles was investigated [19].…”
Section: Introductionmentioning
confidence: 90%
“…Similar red-shift has been observed in the dominant PL peak for other oxide spectra, for example, for SnO 2 on doping with Mn, 23 for ZnO on doping with Ag. 24 All these additions have been reported to being accompanied with alloy formation. The red-shift observed in oxide-alloys can also be attributed to resonant energy transfer phenomenon, due to the similarity in work functions of SnO 2 and C. Similar result has also been reported by Ghosh, et.al for ZnO nanoparticles.…”
Section: Analysis Of Pl Propertiesmentioning
confidence: 98%
“…Similar blue-shift in the highest intensity PL peak has been reported for other core-shell nanoparticles such as ZnS:Mn/ZnO, HgTe/CdTe core-shell nanoparticles. 24,[26][27][28] An intensity ratio 'I' defined as the ratio of the intensity of the peak attributed to the bandedge emission to the intensity of the peak attributed to O-vacancies is quite important. While 'I' corresponds to a value of 0.35 for SnO 2 nanoparticles, a value of 0.2 is observed for SnO nanoparticles.…”
Section: Analysis Of Pl Propertiesmentioning
confidence: 99%
“…Figure 7(b) shows the multiplex spectrum of oxygen peaks. The peaks at binding energies of 539 eV can be assigned to O 1s [33]. In addition, Figure 7(c) shows the multiplex spectrum of sulfur peaks.…”
Section: X-ray Photoelectron Spectroscopy (Xps)mentioning
confidence: 99%