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Multiphonon scattering and photoluminescence of two dimensional ZnS nanosheets grown within Na-4 mica
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10.1063/1.4757930
/content/aip/journal/jap/112/7/10.1063/1.4757930
http://aip.metastore.ingenta.com/content/aip/journal/jap/112/7/10.1063/1.4757930
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic representation of synthesis procedure.

Image of FIG. 2.
FIG. 2.

X-ray diffactrogram of ZnS-mica nanocomposite.

Image of FIG. 3.
FIG. 3.

(a) Transmission electron micrograph of ZnS nanosheets. Modulation on the surface is indicated by arrows. (b) High resolution lattice image of ZnS nanosheets from Fig. 2(a). (c) Selected area electron diffraction pattern of nanosheets.

Image of FIG. 4.
FIG. 4.

AFM image and the height profile of ZnS nanosheet.

Image of FIG. 5.
FIG. 5.

UV-vis absorption spectrum of ZnS-mica nanocomposite. (inset) Plot of vs .

Image of FIG. 6.
FIG. 6.

(a) Multiphonon resonance Raman modes showing higher order LO and TO modes of wurtite ZnS using 3.81 eV excitation. Inset shows the first order modes. (b) PL spectrum of ZnS-mica nanocomposite at room temperature.

Image of FIG. 7.
FIG. 7.

Multiphonon modes combined of fundamental, surface optical, zone boundary and combination modes in ZnS using (a) Ar+ laser of 514.5 nm and (b) InGaAs line laser of 785 nm.

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/content/aip/journal/jap/112/7/10.1063/1.4757930
2012-10-09
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Multiphonon scattering and photoluminescence of two dimensional ZnS nanosheets grown within Na-4 mica
http://aip.metastore.ingenta.com/content/aip/journal/jap/112/7/10.1063/1.4757930
10.1063/1.4757930
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