Synthesis of Silver, Gold, and Platinum Doped Zinc Oxide Nanoparticles by Pulsed Laser Ablation in Water

Radičić, Rafaela; Maletić, Dejan; Blažeka, Damjan; Car, Julio; Krstulović, Nikša

doi:10.3390/nano12193484

Cited by 31 publications

(9 citation statements)

References 66 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The Ag, Ag/Au, Au, and Au/Ag thin layer electrodes on ITO glass substrates had values of 1.636, 1.445, 1.573, and 1.598 eV, respectively. The value of the band gap energy for each type of electrode has a value that is not much different because the band gap energy of pure Ag and Au also has almost the same value [33]. This indicates that all the formed thin films can be classified as narrow band gap semiconductors.…”

Section: Resultsmentioning

confidence: 87%

Electrochemical and Optical Analysis of Various Compositions of Au and Ag Layers for Blood Cancer Prognosis

et al. 2023

View full text Add to dashboard Cite

The fabrication of silver (Ag) and gold (Au) thin film electrodes was successfully carried out using the DC sputtering deposition method. These thin film electrodes were able to detect the increase in serum albumin concentration that was used as a prognostic factor for leukemia. The simulation and the optical experimental analysis show that an increase in BSA concentration can increase the absorbance peak observed at a wavelength of 435 nm on hypoalbumin medium and 470 nm on normal concentration of serum albumin medium. The performance of the electrodes was electrochemically tested, in which it was shown that a decrease in oxidation and reduction peaks occurred with respect to an increase in BSA concentration. An oxidation peak was observed at a voltage of 0.5 V for the Ag thin film. For the Au, Au/Ag, and Ag/Au thin films, an oxidation peak was observed at a voltage of 1.0 V. The limits of detection (LODs) of the Ag, Ag/Au, Au, and Au/Ag thin films were 0.56, 0.24, 0.64, and 0.36 g/dL, respectively. Therefore, based on both the electrochemical and optical analysis, the Ag/Au thin film possessed the highest potential for prognosis monitoring of leukemia compared with the other Ag and Au thin films.

show abstract

Section: Resultsmentioning

confidence: 87%

Electrochemical and Optical Analysis of Various Compositions of Au and Ag Layers for Blood Cancer Prognosis

et al. 2023

View full text Add to dashboard Cite

show abstract

“…The decrease in dislocation density in case of W doped CuO nanoparticles represents a decrease in the content of lattice imperfections and indicates the formation of better quality of nanoparticles. The microstrain decreased in case of single and bi-metal doping CuO nanoparticles due to reduction in lattice distortion in the crystal structure of CuO nanoparticles as shown in table 2 [45][46][47][48][49][50].…”

Section: Resultsmentioning

confidence: 98%

Impact of bimetal doping on the structural and optical characteristics of copper oxide nanoparticles to enhance photocatalytic degradation of dyes: an investigative study

Abhilasha,

Kumari,

Gautam

2023

Phys. Scr.

View full text Add to dashboard Cite

Metal oxide nanoparticles have attracted a lot of attention for dye degradation applications as they have better light absorption properties required for the photocatalysis. This paper presents the impact of bi-metal doping (i.e. Cerium and Tungsten) on the structural and optical properties of Copper oxide nanoparticles. Bi-metal doping has shown remarkable impact on the optical properties (i.e. enhanced light absorption) of CuO nanoparticles making it suitable for photocatalytic applications. A simple co-precipitation method was used to synthesize the pure, single-metal doped and bi-metal doped (i.e. Ce, W and Ce-W) CuO nanoparticles. XRD analysis was done to study the structural properties along with crystallite size estimation using Debye-Scherer formula. Absorption band at 852 cm-1 and 650 cm-1 in the FT-IR spectra further confirmed the presence of CeO2 & WO2 in the monoclinic phase of CuO nanoparticles. Maximum absorption wavelength and bandgap are measured using UV-VIS Spectroscopy, and it has been observed that both these quantities depend upon the choice of dopant and can be tailored just by choosing the appropriate dopant. The paper presents an extensive analysis using experimental study to compare the impact of Ce, W and bimetal (Ce-W) doping on the structural, optical and photocatalytic properties of CuO nanoparticles. Enhanced optical absorption in the complete visible range is observed in case of bi-metal doped CuO nanoparticles making it a promising candidate for photocatalytic dye degradation application.

show abstract

“…The division at around 6 eV between the Ag(3d 3/2 ) 373.29 eV and Ag(3d 5/2 ) 367.28 eV peaks showed that the silver in the synthesized samples was metallic [33]. Because Ag 2 O has the same binding energies as Ag-O, these peaks are likewise connected to Ag−O bonding [53].…”

Section: Morphological Analysismentioning

confidence: 94%

Structural, morphological, optical and biomedical applications of Berberis aristata mediated ZnO and Ag-ZnO nanoparticles

Sharma,

Chauhan,

Verma

et al. 2023

Nano Ex.

View full text Add to dashboard Cite

Herein, we prepared the zinc oxide (ZnO) and silver doped zinc oxide (Ag-ZnO) nanoparticles (NPs) using Berberis aristata plant extract as a reducing, capping and stabilizing agent. The x-ray diffraction (XRD) pattern confirms the formation of pure hexagonal wurtzite structure for both the samples with P4mm space group. The crystallite size reduces from 21.313 nm to 18.179 nm with the Scherrer technique with doping of Ag ions on ZnO NPs, while the Williamson Hall (WH) approach likewise demonstrates a decrease in crystallite size from 26.602 nm to 21.522 nm. The lattice strain increases from 0.0031 to 0.0064, indicating the presence of Ag-ions in the crystal lattice of ZnO NPs. For both samples, the metal-oxygen bond formation is supported by the Fourier Transform Infrared (FTIR) spectra. For ZnO, the peak in the UV-visible spectrum is approximately around 365 nm, but for Ag-ZnO, two peaks are observed around 235 nm and 360 nm. With the Ag doping, the bandgap increases from 3.01 eV to 3.02 eV. Transmission Electron Microscopy (TEM) micrographs show the formation of crystalline particles and Field Emission Scanning Electron Microscopy (FESEM) pictures show the formation of aggregated NPs with a spherical shape. Energy Dispersive x-ray Spectroscopy (EDX) and x-ray Photoelectron Spectroscopy (XPS) demonstrate the chemical purity of both the samples. The antibacterial activity of ZnO NPs was highest against Staphylococcus aureus i.e., 15 ± 0.53 mm, whereas, for Ag-ZnO NPs the highest activity was against Salmonella typhi i.e., 19 ± 0.53 mm.

show abstract

Synthesis of Silver, Gold, and Platinum Doped Zinc Oxide Nanoparticles by Pulsed Laser Ablation in Water

Cited by 31 publications

References 66 publications

Electrochemical and Optical Analysis of Various Compositions of Au and Ag Layers for Blood Cancer Prognosis

Electrochemical and Optical Analysis of Various Compositions of Au and Ag Layers for Blood Cancer Prognosis

Impact of bimetal doping on the structural and optical characteristics of copper oxide nanoparticles to enhance photocatalytic degradation of dyes: an investigative study

Structural, morphological, optical and biomedical applications of Berberis aristata mediated ZnO and Ag-ZnO nanoparticles

Contact Info

Product

Resources

About