Synthesis and characterization of quasi-aligned ZnCdO nanorods

Wang, F. Z.; Ye, Z. Z.; W., D.; Zhu, Lin; Zhuge, Fei; He, Haiping

doi:10.1063/1.2076434

Cited by 29 publications

(19 citation statements)

References 20 publications

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“…Above 570 • C, there is endothermic peak with a weight losing of 10.3%. This is due to the phase transition from binary mixture (cubic and hexagonal) to single wurtizite hexagonal phase [11]. In order to confirm such assumption, the prepared samples will be characterized by XRD and TEM at different calcinations temperatures.…”

Section: Characterizationmentioning

confidence: 93%

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The influence of temperature on the structure of Cd-doped ZnO nanopowders

Mahmoud

Al-Ghamdi

Al-Heniti

et al. 2010

Journal of Alloys and Compounds

105

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Section: Characterizationmentioning

confidence: 93%

“…The Willamson-Hall method [13,14] can be used to determine the average crystal size and lattice strain when there are three more reflections available for measurement. Contributions of the crystallite size and lattice strain are given by the following equation [11,12]:…”

Section: Xrd Of Calcined Powdermentioning

confidence: 99%

The influence of temperature on the structure of Cd-doped ZnO nanopowders

Mahmoud

Al-Ghamdi

Al-Heniti

et al. 2010

Journal of Alloys and Compounds

105

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“…Also for the solid solutions of ZnO and CdO the most common growth technique is the VPT method [67,68,71]. Chu et al report that they were able to tune the emission energy of their (Zn,Cd)O NWs in a wide spectral range from 2.08 to 3.32 eV (for the case of ZnO) or even 4.00 eV (for the case of (Mg,Zn)O [68].…”

Section: Bandgap Engineeringmentioning

confidence: 99%

Fabrication of ZnO Nanostructures

2014

Zinc Oxide Nanostructures

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The current state of optical properties of ZnO-based nanostructures is discussed in terms of optical recombination, of bandgap engineering and of nanoheterostructures such as core-shell quantum wells and quantum dots. Whispering gallery and Fabry-Perot modes are reviewed in the section on cavity effects, together with regular and random lasing in ZnO nanostructures. First results on Raman and infrared spectroscopy of nanostructures are listed. Promising optical device applications of ZnO nanowires include electrically pumped lasing arrays, photodetectors, and second harmonic generation.

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“…Tailoring the band gap with size dependent optical properties, within the nanoregime, will be useful for fabricating efficient optical devices [4][5][6]. Nanocrystalline ZnO/CdO composites have been prepared and the optical properties have been investigated earlier [7,8].…”

Section: Introductionmentioning

confidence: 99%

Nonlinear Optical Properties in II-VI Oxide Quantum Dot Nanostructure

Karthikeyan¹,

Peter²

2018

JNST

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In the present work, some electronic and nonlinear optical properties are studied in a CdO/ZnO core/shell quantum dot nanostructure taking into account the spatial confinement effect. The binding energy of an electron-hole pair is computed using Smorodinsky-Winternitz potential and the second harmonic generation is studied with the function of photon energy. The potential used in the Hamiltonian is different on both the sides of the barrier involving a two parametrical potential. The exciton binding energy is obtained employing variational method within a single band effective mass approximation and the nonlinear optical properties are probed using density matrix approach within a two level system. The larger exciton binding energies of these materials bring out the stability of electron-hole pair at room temperature. The results show that these properties are enhanced in the strong geometrical confinement region. The resonant peaks in the second harmonic generation are strongly influenced by the geometrical confinement, confined potential, matrix elements and the structural parameters. Thus, the obtained results on nonlinear optical properties of wide band gap semiconducting material will be helpful for the response to the industrial demand for optoelectronic devices operating the entire spectral region in the visible spectrum.

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Synthesis and characterization of quasi-aligned ZnCdO nanorods

Abstract: Pulsed laser deposition of high-quality ZnCdO epilayers and ZnCdO/ZnO single quantum well on sapphire substrate Appl. Phys. Lett. 97, 061911 (2010); 10.1063/1.3478006Temperature-dependent S-shaped photoluminescence in ZnCdO alloy

Cited by 29 publications

References 20 publications

The influence of temperature on the structure of Cd-doped ZnO nanopowders

The influence of temperature on the structure of Cd-doped ZnO nanopowders

Fabrication of ZnO Nanostructures

Nonlinear Optical Properties in II-VI Oxide Quantum Dot Nanostructure

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