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Quantum dots confined in nanoporous alumina membranes
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10.1063/1.2357877
/content/aip/journal/apl/89/13/10.1063/1.2357877
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/13/10.1063/1.2357877
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Figures

Image of FIG. 1.
FIG. 1.

(Color online) SEM images of blank PAM, fabricated by a two-step electrochemical anodization process: (a) topology and (b) cross section. Fluorescence images of the thick PAM (c) before and (d) after being filled with red emitting QDs (side view). The scale bars are in (a) and (b), and in (d).

Image of FIG. 2.
FIG. 2.

(Color online) Transmission UV-Vis spectra of the freestanding PAMs with 27% porosity deposited with (a) and (b) QDs. The thicknesses of the PAM in (a) and (b) are 8.88 and , respectively. Black, blue, and red solid curves are the experimental spectra of the PAMs before the deposition, after the deposition, and their spectra difference, respectively. The corresponding dashed curves are the calculated spectra.

Image of FIG. 3.
FIG. 3.

(Color online) Reflection UV-Vis spectra of one-side-open PAMs with 27% porosity deposited with (a) QDs and (b) QDs. The thicknesses of the PAM in (a) and (b) are 11.44 and , respectively. Black, blue, and red solid curves are the experimental spectra of the PAMs before the deposition, after the deposition, and their spectra difference, respectively. The corresponding dashed curves are the calculated spectra.

Image of FIG. 4.
FIG. 4.

Emission spectra of the freestanding PAMs before (dashed curve) and after being deposited (solid curve) with (a) and (b) CdSe/ZnS QDs. The corresponding emission spectra of QDs in the dry state in bulk (i.e., without confinement) are shown in open circle curves.

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/content/aip/journal/apl/89/13/10.1063/1.2357877
2006-09-26
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Quantum dots confined in nanoporous alumina membranes
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/13/10.1063/1.2357877
10.1063/1.2357877
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