Structural characterization of CdS thin film on quartz formed by femtosecond pulsed laser deposition at high temperature

Tong, Xiaofeng; Jiang, Desheng; Liu, Z.M.; Luo, Ming; Li, Y.; Lu, Peixiang; Yuan, Guang; Long, Hua

doi:10.1016/j.tsf.2007.06.067

Cited by 32 publications

(25 citation statements)

References 19 publications

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“…A previous study performed at 800 nm 22 has reported a richer content of cadmium in the deposited film as the substrate temperature increases, which has been attributed to enhanced evaporation of sulfur from the film as the temperature increases. 77-2306).…”

Section: Compositionmentioning

confidence: 89%

“…Various studies [1][2][3][4][5][6][7] have shown the possibility of using fs PLD as a general route to nanoparticle formation and have demonstrated that the nature of nanostructured deposits grown by fs PLD strongly depends on the material and deposition conditions. fluence, 20 substrate material and temperature 21,22 has been characterized only at the laser wavelength of 800 nm.…”

Section: Introductionmentioning

confidence: 99%

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Femtosecond Pulsed Laser Deposition of Nanostructured CdS Films

et al. 2010

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In this work we report an investigation of the properties of nanostructured deposits obtained from femtosecond pulsed laser deposition of CdS sintered targets. Specifically, we address the effect of laser irradiation wavelength, laser fluence and substrate temperature (from 25 to 450 ºC). The composition of the deposits was characterized using X-ray photoelectron spectroscopy (XPS), their crystallinity by Xray diffraction (XRD) and the surface morphology was studied by environmental scanning electron microscopy (ESEM) and atomic force microscopy (AFM). It has been found that the smallest nanoparticles, with an average diameter of 25 nm and a narrow size distribution, together with particulates in the range 80-120 nm, are obtained at the shortest laser wavelength of 266 nm on room temperature substrates. Deposits do not contain microscopic droplets in any of the explored conditions. 3

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Section: Compositionmentioning

confidence: 89%

Section: Introductionmentioning

confidence: 99%

Femtosecond Pulsed Laser Deposition of Nanostructured CdS Films

et al. 2010

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“…25 The down-frequency shift of the 1LO Raman peak is typical for formation of CdS nanoparticles. 26,27 Assuming that the CdS nanoparticles are spherical semiconductor crystals of radius r surrounded by the matrix material, the most important contribution to one-phonon Raman scattering corresponds to frequencies given in the form 28,29 :…”

Section: Resultsmentioning

confidence: 99%

Formation of Hybrid Inorganic/Organic Nanocomposites

Basova

Kurochkina

Tsivadze

et al. 2009

Journal of Elec Materi

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Hybrid inorganic/organic nanocomposites were produced by the exposure of spun films of octa-(benzo-15-crown-5)-substituted phthalocyanine of Cd(II) to an environment of hydrogen sulfide gas. The formation of cadmium sulfide (CdS) quantum dots in the metal free phthalocyanine matrix was identified in the phthalocyanine matrix from atomic force microscopy images. The mean size of CdS quantum dots was estimated to be 2-3 nm, from optical absorption and Raman spectra for the nanocomposites.

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“…II-VI oxide semiconducting materials find increasing application in optoelectronic devices such as flat panel displays (FPD), photovoltaic/solar cells, heat reflectors and energy-efficient windows [4][5][6] . The deposition of CdS films has been explored by different techniques, namely thermal evaporation, chemical bath deposition, chemical surface deposition, pulsed laser deposition, ion implantation, gradient re-crystallization and growth, radio-frequency magnetron sputtering and chemical spray pyrolysis [7][8][9][10][11][12][13][14] . The films that we obtain by chemical spray pyrolysis technique (CSPT) can be useful for the scientific researches and technical applications.…”

Section: Introductionmentioning

confidence: 99%

Annealing Temperature Effects on the Optical Properties of CdO Thin Films Deposited by CSP Technique

Chiad

2014

ILCPA

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By chemical spray pyrolysis method. The CdO thin film prepared at constant film thickness (350 nm). The prepared films are annealed at a temperature of 450 and 500 °C. The optical properties are calculated from the measurement of UV-Visible spectrophotometer spectrum in the range of (300-900) nm at room temperature. The transmittance, absorption coefficient, extinction coefficient, refractive index, and skin depth are calculated as annealing temperature. The energy gap decreased from 2.52 eV to 2.47 eV when the annealing temperature increased from room temperature to 500 °C.

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Structural characterization of CdS thin film on quartz formed by femtosecond pulsed laser deposition at high temperature

Cited by 32 publications

References 19 publications

Femtosecond Pulsed Laser Deposition of Nanostructured CdS Films

Femtosecond Pulsed Laser Deposition of Nanostructured CdS Films

Formation of Hybrid Inorganic/Organic Nanocomposites

Annealing Temperature Effects on the Optical Properties of CdO Thin Films Deposited by CSP Technique

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