Applied Physics Letters, volume 91, issue 25, pages 253117

Schottky barriers to colloidal quantum dot films

Jason P Clifford ¹

Keith W Johnston ¹

Larissa Levina ¹

Edward H Sargent ¹

Hide authors affiliations Show authors affiliations: 1 affiliation

University of Toronto Department of Electrical and Computer Engineering, , Toronto, Ontario M5S 3G4, Canada |

Publication type: Journal Article

Publication date: 2007-12-17

AIP Publishing

Journal: Applied Physics Letters

SJR: 0.976

CiteScore: 6.4

Impact factor: 3.5

ISSN: 00036951, 10773118

DOI: 10.1063/1.2823582

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Physics and Astronomy (miscellaneous)

Abstract

We elucidate experimentally a quantitative physical picture of the Schottky barrier formed at the junction between a metallic contact and a semiconducting colloidal quantum dot film. We used a combination of capacitance-voltage and temperature-dependent current-voltage measurements to extract the key parameters of the junction. Three differently processed Al∕PbS colloidal quantum dot junction devices provide rectification ratios of 104, ideality factors of 1.3, and minimal leakage currents at room temperature. The Schottky barrier height is 0.4eV and the built-in potential 0.3V. The depletion width ranges from 90to150nm and the acceptor density ranges from 2×1016to7×1016cm−3.

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GOST |

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GOST Copy

Clifford J. P. et al. Schottky barriers to colloidal quantum dot films // Applied Physics Letters. 2007. Vol. 91. No. 25. p. 253117.

GOST all authors (up to 50) Copy

Clifford J. P., Johnston K. W., Levina L., Sargent E. H. Schottky barriers to colloidal quantum dot films // Applied Physics Letters. 2007. Vol. 91. No. 25. p. 253117.

RIS |

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RIS Copy

TY - JOUR

DO - 10.1063/1.2823582

UR - https://doi.org/10.1063/1.2823582

TI - Schottky barriers to colloidal quantum dot films

T2 - Applied Physics Letters

AU - Clifford, Jason P

AU - Johnston, Keith W

AU - Levina, Larissa

AU - Sargent, Edward H

PY - 2007

DA - 2007/12/17

PB - AIP Publishing

SP - 253117

IS - 25

VL - 91

SN - 0003-6951

SN - 1077-3118

ER -

BibTex |

Cite this

BibTex (up to 50 authors) Copy

@article{2007_Clifford,

author = {Jason P Clifford and Keith W Johnston and Larissa Levina and Edward H Sargent},

title = {Schottky barriers to colloidal quantum dot films},

journal = {Applied Physics Letters},

year = {2007},

volume = {91},

publisher = {AIP Publishing},

month = {dec},

url = {https://doi.org/10.1063/1.2823582},

number = {25},

pages = {253117},

doi = {10.1063/1.2823582}

}

MLA

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MLA Copy

Clifford, Jason P., et al. “Schottky barriers to colloidal quantum dot films.” Applied Physics Letters, vol. 91, no. 25, Dec. 2007, p. 253117. https://doi.org/10.1063/1.2823582.

Found error?

Publisher

AIP Publishing

Journal

Applied Physics Letters

SJR

0.976

CiteScore

6.4

Impact factor

3.5

ISSN

00036951 (Print)

10773118 (Electronic)