Crystal Structure and Optical Properties of ZnO:Ce Nano Film

Xin, Mei

doi:10.3390/molecules27165308

Cited by 12 publications

(6 citation statements)

References 40 publications

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“…The average crystal size of 1% Ce/ZnO (90 nm) was smaller compared to pure ZnO, which was 117 nm. This finding is in agreement with other findings reported elsewhere [24,26,27]. Ce-O-Zn bonds formed on the surface of Ce-doped ZnO samples limit or restrain the crystallites' growth, causing a decrease in crystallite size [28].…”

Section: Xrd Analysissupporting

confidence: 93%

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Enhancing Methyl Orange Degradation with Laser-Generated ZnO and Ce-Doped ZnO Nanoparticles

Ajil,

Ahmed,

Yam

et al. 2023

Applied Sciences

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The presence of Methyl Orange, a hazardous organic compound typically found in industrial wastewater, presents a significant environmental challenge, necessitating the development of effective strategies for its removal to mitigate adverse impacts on aquatic ecosystems and human health. In this work, we utilized 60-watt continuous-wave (CW) and high-power CO2 laser with 10.6 μm wavelength to synthesize Zinc Oxide nanoparticles (ZnO NPs) doped with 1% Cerium (Ce) as photocatalyst at standard laboratory conditions through Laser-Assisted Chemical Bath Synthesis (LACBS) technique. The synthesized nanostructures were thoroughly characterized using UV–vis spectroscopy, field-emission scanning electron microscopy (FESEM), and X-ray diffraction (XRD) techniques. Subsequently, their efficiency in degrading Methyl Orange (MO) dye was evaluated under UV and sunlight irradiation. The findings revealed that the 1% Ce-doped ZnO sample exhibited enhanced photocatalytic efficiency under both UV and sunlight irradiation, as well as active adsorption capabilities in the absence of light. Notably, the most effective photodegradation performance was achieved under solar radiation, with an impressive 95% of MO dye degradation observed after just 90 min of exposure.

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Section: Xrd Analysissupporting

confidence: 93%

“…However, due to the contribution of CeO 2 to the diminished ZnO peak (Figure 3b), collecting ZnO diffraction data becomes challenging. Correspondingly, the crystallite size, D, is obtained by employing the Debye-Scherrer formula [24].…”

Section: Xrd Analysismentioning

confidence: 99%

Enhancing Methyl Orange Degradation with Laser-Generated ZnO and Ce-Doped ZnO Nanoparticles

Ajil,

Ahmed,

Yam

et al. 2023

Applied Sciences

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“…Some industries, such as paper, textiles, leather, cotton, and rubber, directly discharge toxic dyes into water bodies . Rhodamine blue (RhB) and methylene blue (MB) are widely used cationic dyes (basic dyes) . MB, a blue-colored dye, has an aromatic molecular structure.…”

Section: Introductionmentioning

confidence: 99%

“… 2 Rhodamine blue (RhB) and methylene blue (MB) are widely used cationic dyes (basic dyes). 3 MB, a blue-colored dye, has an aromatic molecular structure. A contaminated dye with an aromatic structure such as MB will introduce toxicity to marine life and be incorporated in humans by the food chain.…”

Section: Introductionmentioning

confidence: 99%

Enhanced Industrial Dye Degradation and Antibacterial Activity Supported by the Molecular Docking Study of Yttrium and Carbon Sphere-Doped Lanthanum Oxide Nanostructures

Ayub,

Ikram,

Haider

et al. 2023

ACS Omega

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As the population grows, the scientific community remains focused on researching new materials, methods, and devices to ensure the availability of safe drinking water. The main aim of this research was to decrease the recombination rate of the charge carriers of La 2 O 3 and enhance the catalytic and antimicrobial activity by employing Y/Cs-doped La 2 O 3, respectively. In the current study, different concentrations of yttrium (Y) and a fixed amount of carbon spheres (Cs) doped into lanthanum oxide (La 2 O 3 ) nanostructures (NSs) were synthesized by the coprecipitation technique. Cs are used as a cocatalyst as they have a high surface area and small size attributed to increased active sites and decreased recombination rate. Moreover, Y was further incorporated as it activates the generation of reactive oxygen species in the inhibition zone, enhancing the antibacterial activity and reducing the emission intensity. Advanced techniques were utilized to determine the structural properties, optical emission and absorption, elemental composition, and d-spacing of the synthesized samples. The reported ternary catalyst works efficiently, improving the catalytic activity and bactericidal potential. Moreover, in silico molecular docking studies, Cs-doped La 2 O 3 and Y/Csdoped La 2 O 3 nanostructures toward DNA gyrase Escherichia coli showed good efficacy for antibacterial activity.

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“…Xin et al reported diminished optical transmittance in visible range and increase in bandgap energy with increment in Ce-doping content. The intense blue emission with a color purity revealed potential applications of Ce-ZnO films as a suitable material for development of near ultraviolet LED and blue light source [47].…”

Section: Introductionmentioning

confidence: 99%

Significance of microstrain in impacting band gap and photoluminescence behavior of Ce-doped ZnO thin films deposited via sol-gel process

Kumawat¹,

Chattopadhyay²,

Misra³

et al. 2023

Phys. Scr.

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The purpose of this study is to analyse the importance of micro-strain in affecting the band gap and photoluminescence (PL) intensity of sol-gel-spin-coated Ce-doped ZnO thin films on glass slides. The presence of the (100) plane in the fabricated thin film was discovered using X-ray diffraction thereby indicating the presence of strongly orientated monocrystalline ZnO hexagonal wurtzite phase. On doping with Ce, the micro-strain in the ZnO thin films changed from (2.49 – 4.84) x10-3, and the crystallite size ranged from 26.23 to 43.03 nm. UV-visible spectroscopy revealed that the optical transparency of the undoped and Ce-doped ZnO films was between 60 to 85 percent, however the doped films’ absorption dip was slightly shifted from 378 to 380 nm. For Ce-doped ZnO thin films, the increase in band gap values determined using Tauc's plot was in the range of 3.19 to 3.44 eV. No change in the peak of UV emission was visible in the PL emission spectra after Ce doping. The micro-strain brought on by doping ZnO with Ce controlled the decrease in PL intensity. On doping with Ce up to 3 at.%, PL intensity and micro-strain both reduced, then climbed till Ce 5 at.%, and ultimately declined when the Ce content was 6 at.%. According to studies using scanning electron microscopy, the undoped ZnO film morphology was characterised by spherical particles with rod-like growth structures. For 1, 2, 5, and 6 at.% Ce-doped ZnO thin films, this structure was changed to a nanorod-like structure with small nanorods attached to a long rod. But lengthy chain linkage structures were found in the event of 3 at.% Ce doping. The preceding results are discussed from a doping perspective.

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Crystal Structure and Optical Properties of ZnO:Ce Nano Film

Cited by 12 publications

References 40 publications

Enhancing Methyl Orange Degradation with Laser-Generated ZnO and Ce-Doped ZnO Nanoparticles

Enhancing Methyl Orange Degradation with Laser-Generated ZnO and Ce-Doped ZnO Nanoparticles

Enhanced Industrial Dye Degradation and Antibacterial Activity Supported by the Molecular Docking Study of Yttrium and Carbon Sphere-Doped Lanthanum Oxide Nanostructures

Significance of microstrain in impacting band gap and photoluminescence behavior of Ce-doped ZnO thin films deposited via sol-gel process

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