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Mn-doped nanocrystals in light-emitting diodes: Energy-transfer to obtain electroluminescence from quantum dots
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10.1063/1.3489099
/content/aip/journal/apl/97/11/10.1063/1.3489099
http://aip.metastore.ingenta.com/content/aip/journal/apl/97/11/10.1063/1.3489099
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Electronic absorption and PL spectra (broken lines) of Mn-doped ZnS nanoparticles and TPD (blue lines) in chloroform solutions.

Image of FIG. 2.
FIG. 2.

Current-voltage and EL-current plots of devices based on TPD/Mn-doped ZnS heterostructures, namely, ITO/PEDOT:PSS/TPD/Mn-doped ZnS/Al. Thickness of the nanoparticle layer has been varied by the concentration of the spinning solution (as specified in the legends). Inset of (b) shows a plot of EQE vs current density for a device, where nanoparticles were spun from 10 mg/ml solution.

Image of FIG. 3.
FIG. 3.

EL spectra of a device based on TPD/Mn-doped ZnS heterostructure under different applied voltages (as shown in the legends). Here the nanoparticles were spun from 10 mg/ml solution.

Image of FIG. 4.
FIG. 4.

Electronic absorption and PLspectra (broken lines) of chloroform solutions of core-shell nanoparticles with Mn-doped ZnS nanoparticles in the core and CdS in the shell.

Image of FIG. 5.
FIG. 5.

EL spectra of a device based on TPD/Mn-doped ZnS:CdS core-shell heterostructure under applied voltages as shown in the legends. Here the nanoparticles were spun from 30 mg/ml solution. Inset shows image of an LED in operation under 4.5 V.

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/content/aip/journal/apl/97/11/10.1063/1.3489099
2010-09-14
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Mn-doped nanocrystals in light-emitting diodes: Energy-transfer to obtain electroluminescence from quantum dots
http://aip.metastore.ingenta.com/content/aip/journal/apl/97/11/10.1063/1.3489099
10.1063/1.3489099
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