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Enhanced ultraviolet emission from ZnO nanocrystals embedded in a hybrid polymer composite layer
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10.1063/1.2903937
/content/aip/journal/jap/103/7/10.1063/1.2903937
http://aip.metastore.ingenta.com/content/aip/journal/jap/103/7/10.1063/1.2903937
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Schematic diagram of the setup for PL measurements in this study. (b) Plan-view bright-field HRTEM image of the ZnO nanoparticles embedded in the hybrid polymer matrix.

Image of FIG. 2.
FIG. 2.

PL spectra at for PVK, sample 1 (ZnO/BPDA-PDA PI), and sample 2 [ZnO/(BPDA-PDA )]. The dashed, the dotted, and the solid lines represent the PL data for PVK, sample 1, and sample 2, respectively.

Image of FIG. 3.
FIG. 3.

(a) PL spectra measured at several temperatures for sample 2 [ZnO/(BPDA-PDA )] and (b) typical Gaussian-fitting analysis of the PL spectrum at .

Image of FIG. 4.
FIG. 4.

Integrated PL intensities of the UV, the deep blue, and the green emissions as functions of the reciprocal temperature for sample 2 [ZnO/(BPDA-PDA )]. The circles, the triangles, and the solid rectangles represent the data for the deep blue, the green, and the UV emissions, respectively.

Image of FIG. 5.
FIG. 5.

Energy-level diagram showing the UV transition for the ZnO/(BPDA-PDA ) hybrid system. The LUMO and the HOMO represent the energy levels of the highest occupied molecular orbital and the lowest unoccupied molecular orbital of the PVK and the PI, respectively.

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/content/aip/journal/jap/103/7/10.1063/1.2903937
2008-04-04
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Enhanced ultraviolet emission from ZnO nanocrystals embedded in a hybrid polymer composite layer
http://aip.metastore.ingenta.com/content/aip/journal/jap/103/7/10.1063/1.2903937
10.1063/1.2903937
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