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Efficient polymer-nanocrystal quantum-dot photodetectors
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10.1063/1.1872216
/content/aip/journal/apl/86/9/10.1063/1.1872216
http://aip.metastore.ingenta.com/content/aip/journal/apl/86/9/10.1063/1.1872216
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) The schematic layout of the ITO∕PEDOT:PSS∕MEH-PPV: photodetector on a glass substrate.

Image of FIG. 2.
FIG. 2.

TEM images of PbSe QDs in the MEH-PPV host ( of MEH-PPV). The scale bars in the left and right images are 100 and , respectively. Some aggregation of QDs into nonordered clusters is observed.

Image of FIG. 3.
FIG. 3.

Photocurrent density of MEH-PPV∕PbSe photodetectors with (circles), (upward triangles), (downward triangles), of MEH-PPV (diamonds), and pure MEH-PPV (squares) under the illumination with monochromator light with a power density of . The dark current (solid line) for all devices is similar and . Inset: Photocurrent density for devices with (dark squares), (dark triangles), (dark circles), of MEH-PPV (open squares), and dark current (solid line).

Image of FIG. 4.
FIG. 4.

Comparison of external quantum efficiencies of the MEH-PPV∕PbSe QD photodetectors at : pure MEH-PPV (squares), MEH-PPV∕PbSe (triangles), and MEH-PPV∕PbSe (circles). Inset: UV-visible absorption spectrum of MEH-PPV:PbSe blended films on glass slides with (dots), (dashed line), pure MEH-PPV film (solid line), and PbSe QDs in solution (dash-dot line).

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/content/aip/journal/apl/86/9/10.1063/1.1872216
2005-02-23
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Efficient polymer-nanocrystal quantum-dot photodetectors
http://aip.metastore.ingenta.com/content/aip/journal/apl/86/9/10.1063/1.1872216
10.1063/1.1872216
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