1887
banner image
No data available.
Please log in to see this content.
You have no subscription access to this content.
No metrics data to plot.
The attempt to load metrics for this article has failed.
The attempt to plot a graph for these metrics has failed.
Enhanced photoluminescence from zinc oxide by plasmonic resonance of reduced graphene oxide
Rent:
Rent this article for
USD
10.1063/1.4818953
/content/aip/journal/jap/114/7/10.1063/1.4818953
http://aip.metastore.ingenta.com/content/aip/journal/jap/114/7/10.1063/1.4818953
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Schematic illustration of the hybrid structure of ZnO and RGO layers. MgO was selected as a dielectric spacer for the investigation of the plasmonic effect on the distance. (b) AFM image of prepared GO flakes on a Si wafer substrate. (c) AFM image of a spin-coated GO film scratched by a surgical blade. The average height of the GO layer is approximately 20 nm. (d) Curve fit of C1s XPS spectra of GO and RGO on a Si wafer substrate. Hydrazine (HZ) vapor reduction was applied to obtain RGO. (e) Normalized extinction spectra of GO and RGO on UV-graded quartz substrates. (f) Absorbance spectra of ZnO, ZnO/GO, and ZnO/RGO films on UV-graded quartz substrates.

Image of FIG. 2.
FIG. 2.

(a) Raw PL spectra from the ZnO, ZnO/GO, and ZnO/RGO samples on Si wafers measured under a reflective configuration at room temperature. (b) Intrinsic PL spectra from the GO and RGO on a Si wafer. (c) Corrected PL spectra of ZnO, ZnO/GO, and ZnO/RGO samples without bump peaks originating from intrinsic PL of GO and RGO. (d) PL enhancement factors of the band-edge and defect level emissions for ZnO, ZnO/GO, and ZnO/RGO samples upon the partial integration of the emission spectra. X-axis indicates the absorbance of each sample at the excitation wavelength (325 nm).

Image of FIG. 3.
FIG. 3.

(a) Corrected PL spectra of RGO-incorporated samples according to the various spacer thicknesses. Inset shows integrated PL intensities of identical samples from 355 to 425 nm. (b) Time-resolved PL intensities for different spacer thicknesses (0, 10, 20, and 30 nm) with 266 nm excitation. (c) Calculation configuration for the electric field distribution around the ZnO layer on the cylindrical RGO structure. Plane wave is illuminated at normal incidence with x-direction linear polarization. (d) Calculated electric field intensities (log(|E|)) on the x-y plane at the excitation wavelength, showing the ZnO layer with and without the RGO cylinder.

Loading

Article metrics loading...

/content/aip/journal/jap/114/7/10.1063/1.4818953
2013-08-20
2014-04-21
Loading

Full text loading...

This is a required field
Please enter a valid email address
752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Enhanced photoluminescence from zinc oxide by plasmonic resonance of reduced graphene oxide
http://aip.metastore.ingenta.com/content/aip/journal/jap/114/7/10.1063/1.4818953
10.1063/1.4818953
SEARCH_EXPAND_ITEM