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InAs/GaAs quantum dot solar cell with an AlAs cap layer
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10.1063/1.4803459
/content/aip/journal/apl/102/16/10.1063/1.4803459
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/16/10.1063/1.4803459
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

AFM image (1 × 1 μm2) of an uncapped QD sample.

Image of FIG. 2.
FIG. 2.

Dark field (200) cross-sectional TEM images of the InAs/GaAs QDSC structures (a) without and (b) with AlAs CL. The growth direction is in the vertical direction for these two images.

Image of FIG. 3.
FIG. 3.

(a) PL spectra of the QDSCs at RT. (b) Comparison of the temperature dependence of the PL efficiency of the QDSC with and without AlAs CL.

Image of FIG. 4.
FIG. 4.

(a) External quantum efficiency of InAs/GaAs QDSCs with and without the AlAs CL, and the GaAs reference solar cell. (b) Current density vs. voltage curves for the InAs/GaAs QDSCs with and without AlAs CL, and the GaAs reference solar cell under 1-sun AM1.5 illumination.

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/content/aip/journal/apl/102/16/10.1063/1.4803459
2013-04-26
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: InAs/GaAs quantum dot solar cell with an AlAs cap layer
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/16/10.1063/1.4803459
10.1063/1.4803459
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