Applied Physics Letters, volume 85, issue 11, pages 2089-2091

Photoconductivity from PbS-nanocrystal∕semiconducting polymer composites for solution-processible, quantum-size tunableinfrared photodetectors

S.A. McDonald ¹

P W Cyr ¹

L Levina ¹

E. H. Sargent ¹

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Department of Electrical & Computer Engineering , University of Toronto, 10 King’s College Road, Toronto, Ontario, M5S 3G4, Canada |

Publication type: Journal Article

Publication date: 2004-09-13

AIP Publishing

Journal: Applied Physics Letters

scimago Q1

SJR: 0.976

CiteScore: 6.4

Impact factor: 3.5

ISSN: 00036951, 10773118

DOI: 10.1063/1.1792380

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Physics and Astronomy (miscellaneous)

Abstract

We report photoconductivity at infrared wavelengths, 975–1300nm, from a polymer∕nanocrystal quantum dot composite. Biased films of the conjugated polymer poly[2-methoxy-5-(2′-ethylhexyloxy-p-phenylenevinylene)] (MEH-PPV) sensitized with PbS nanocrystals (∼5nm diameter) demonstrate photocurrent at wavelengths beyond the response of the polymer and corresponding to the absorption of the nanocrystals. The photocurrent is attributed to absorption in the nanocrystals with subsequent hole transfer to the polymer and had an internal quantum efficiency of ∼5×10−6to∼10−5charges∕photon at 5V bias.

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McDonald S. et al. Photoconductivity from PbS-nanocrystal∕semiconducting polymer composites for solution-processible, quantum-size tunableinfrared photodetectors // Applied Physics Letters. 2004. Vol. 85. No. 11. pp. 2089-2091.

GOST all authors (up to 50) Copy

McDonald S., Cyr P. W., Levina L., Sargent E. H. Photoconductivity from PbS-nanocrystal∕semiconducting polymer composites for solution-processible, quantum-size tunableinfrared photodetectors // Applied Physics Letters. 2004. Vol. 85. No. 11. pp. 2089-2091.

RIS |

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RIS Copy

TY - JOUR

DO - 10.1063/1.1792380

UR - https://doi.org/10.1063/1.1792380

TI - Photoconductivity from PbS-nanocrystal∕semiconducting polymer composites for solution-processible, quantum-size tunableinfrared photodetectors

T2 - Applied Physics Letters

AU - McDonald, S.A.

AU - Cyr, P W

AU - Levina, L

AU - Sargent, E. H.

PY - 2004

DA - 2004/09/13

PB - AIP Publishing

SP - 2089-2091

IS - 11

VL - 85

SN - 0003-6951

SN - 1077-3118

ER -

BibTex |

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@article{2004_McDonald,

author = {S.A. McDonald and P W Cyr and L Levina and E. H. Sargent},

title = {Photoconductivity from PbS-nanocrystal∕semiconducting polymer composites for solution-processible, quantum-size tunableinfrared photodetectors},

journal = {Applied Physics Letters},

year = {2004},

volume = {85},

publisher = {AIP Publishing},

month = {sep},

url = {https://doi.org/10.1063/1.1792380},

number = {11},

pages = {2089--2091},

doi = {10.1063/1.1792380}

}

MLA

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McDonald, S.A., et al. “Photoconductivity from PbS-nanocrystal∕semiconducting polymer composites for solution-processible, quantum-size tunableinfrared photodetectors.” Applied Physics Letters, vol. 85, no. 11, Sep. 2004, pp. 2089-2091. https://doi.org/10.1063/1.1792380.

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Publisher

AIP Publishing

Journal

Applied Physics Letters

scimago Q1

SJR

0.976

CiteScore

6.4

Impact factor

3.5

ISSN

00036951 (Print)

10773118 (Electronic)