Effect of Substrate Temperature on the Structural and Raman Properties of Ag-Doped ZnO Films

Wang, Lina; Hu, Lizhong; Zhang, Heqiu; Qiu, Yu; Lang, Ye; Liu, Guoqiang; Qu, Guangwei; Ji, Jiu‐Yu; Ma, Jinxue

doi:10.1088/0256-307x/29/1/017302

Cited by 8 publications

(3 citation statements)

References 18 publications

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“…Recent papers reported on preparation and characterization of Ag-doped ZnO materials [18][19][20][21][22][23]. An effect of Ag-doping on electrical properties of ZnO was reported in [19].…”

Section: Introductionmentioning

confidence: 99%

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Preparation, structural and optical characterization of nanocrystalline ZnO doped with luminescent Ag-nanoclusters

Кузнецов¹,

Lu²,

Turner³

et al. 2012

Opt. Mater. Express

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Nanocrystalline ZnO doped with Ag-nanoclusters has been synthesized by a salt solid state reaction. Three overlapping broad emission bands due to the Ag nanoclusters have been detected at about 570, 750 and 900 nm. These emission bands are excited by an energy transfer from the exciton state of the ZnO host when pumped in the wavelength range from 250 to 400 nm. The 900 nm emission band shows characteristic orbital splitting into three components pointing out that the anisotropic crystalline wurtzite host of ZnO is responsible for this feature. Heat-treatment and temperature dependence studies confirm the origin of these emission bands. An energy level diagram for the emission process and a model for Ag nanoclusters sites are suggested. The emission of nanocrystalline ZnO doped with Ag nanoclusters may be applied for white light generation, displays driven by UV light, down-convertors for solar cells and luminescent lamps.

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“…Recent papers reported on preparation and characterization of Ag-doped ZnO materials [18][19][20][21][22][23]. An effect of Ag-doping on electrical properties of ZnO was reported in [19].…”

Section: Introductionmentioning

confidence: 99%

“…An effect of Ag-doping on electrical properties of ZnO was reported in [19]. An effect of Ag doping on the UV exciton emission band of ZnO host has been reported [20][21][22]. The Ag-doping is found to enhance exciton emission band of ZnO, but no effect on the visible luminescence of ZnO was reported.…”

Section: Introductionmentioning

confidence: 99%

Preparation, structural and optical characterization of nanocrystalline ZnO doped with luminescent Ag-nanoclusters

Кузнецов¹,

Lu²,

Turner³

et al. 2012

Opt. Mater. Express

View full text Add to dashboard Cite

show abstract

“…Group theory predicts that there are two E 1 , two E 2 , two A 1 and two B 1 symmetry phonon modes in wurtzite structure crystals, and among these modes the two B 1 modes are not Raman active , the others can be observed in the Raman spectrum [9] . Therefore, the frequencies of the fundamental optical modes in ZnO can be present as E 2 (low)=101 cm -1 , E 2 (high) = 437 cm −1 , A 1 (TO) = 380 cm −1 , A 1 (LO) =574 cm −1 , E 1 (TO) = 407 cm −1 , E 1 (LO) = 583 cm −1 [10] . The Raman spectrum of the Ag doped ZnO microrods is shown in Fig.…”

mentioning

confidence: 99%

The Raman Properties of Ag Doped ZnO Microrods Synthesized by Chemical Vapour Deposition

Wang

Zhou

Huo

et al. 2014

AMR

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Ag doped ZnO microrods are prepared on c-plane sapphire substrates by chemical vapour deposition method at high temperature.The morphology, structure and optical properties were investigated by scanning electron microscopy, X-ray diffraction and Raman spectrum, respectively. The prepared Ag doped ZnO microrods have good preferred orientation with very limited structural defects. The Raman bands indicates that a tensile stress existed in the sample and an additional local vibrational mode related to Ag is also found which can be used to confirm the existence of Ag in the Ag doped ZnO microrods.

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On‐axis and off‐axis growth of zinc oxide nanostructures via pulsed laser deposition

Ghosh

Sharma²

2017

Physica Status Solidi (a)

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The comparison of surface morphology of ZnO at two different regions on n‐type Si substrate surface (off‐axis and on‐axis pulsed laser deposition) is reported. Nanostructures were grown by ablating ZnO pellet with second harmonic Q‐switched Nd:YAG laser. The nanostructures were synthesized by two‐step processes where first ZnO seed layers were grown on Si‐substrate at 300 °C and 0.2 mbar O2 pressure followed by the growth of nanostructures at different O2 pressures keeping the substrate temperature fixed at 450 °C. The growth of these morphologies (particles and thin‐walled nanostructures) is attributed to difference in the kinetic energy of the plasma at different angles of emission from the target surface. Structural property was studied by XRD spectra and the optical properties of the nanostructures were investigated by photoluminescence and Micro‐Raman spectroscopy. Recorded photoluminescence spectra shows near band edge emission along with visible emissions related to the defect levels in ZnO. Micro‐Raman spectra confirm the crystalline nature of the nanostructures and the presence of defects related to oxygen vacancy and interstitial zinc of grown nanostructures.

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Effect of Substrate Temperature on the Structural and Raman Properties of Ag-Doped ZnO Films

Cited by 8 publications

References 18 publications

Preparation, structural and optical characterization of nanocrystalline ZnO doped with luminescent Ag-nanoclusters

Preparation, structural and optical characterization of nanocrystalline ZnO doped with luminescent Ag-nanoclusters

The Raman Properties of Ag Doped ZnO Microrods Synthesized by Chemical Vapour Deposition

On‐axis and off‐axis growth of zinc oxide nanostructures via pulsed laser deposition

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