Optical nonlinearities and carrier trapping dynamics in CdS and CuxS nanocrystals

Victor I. Klimov; Peter Haring-Bolivar; Heinrich Kurz; Vladimir A. Karavanskii

doi:10.1006/spmi.1996.0095

Optical nonlinearities and carrier trapping dynamics in CdS and Cu_xS nanocrystals

Victor I. Klimov, Peter Haring-Bolivar, Heinrich Kurz, Vladimir A. Karavanskii

Los Alamos National Laboratory

Research output: Contribution to journal › Article › peer-review

43 Citations (Scopus)

Abstract

Application of femtosecond photoluminescence and nonlinear transmission techniques allows us to separate electron and hole relaxation paths in CdS nanocrystals (NCs) and to observe a strong difference in optical nonlinearities in NCs formed by direct-and indirect-gap phases of copper sulfide.

Original language	English
Pages (from-to)	395-404
Number of pages	10
Journal	Superlattices and Microstructures
Volume	20
Issue number	3
DOIs	https://doi.org/10.1006/spmi.1996.0095
Publication status	Published - Oct 1996

Keywords

Carrier trapping
Copper sulfide
Nanocrystals
Optical nonlineaarities

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1006/spmi.1996.0095

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title = "Optical nonlinearities and carrier trapping dynamics in CdS and CuxS nanocrystals",

abstract = "Application of femtosecond photoluminescence and nonlinear transmission techniques allows us to separate electron and hole relaxation paths in CdS nanocrystals (NCs) and to observe a strong difference in optical nonlinearities in NCs formed by direct-and indirect-gap phases of copper sulfide.",

keywords = "Carrier trapping, Copper sulfide, Nanocrystals, Optical nonlineaarities",

author = "Klimov, {Victor I.} and Peter Haring-Bolivar and Heinrich Kurz and Karavanskii, {Vladimir A.}",

note = "Funding Information: Acknowledgements—The authors thank D. McBranch for technical assistance and G. Strouse for critical reading of the manuscript. P. H. is supported by the Heinrich Hertz Foundation. V. Karavanskii acknowledges the support from the Russian State Program {\textquoteleft}Physics of Nanostructures{\textquoteright} (Grant No. I-042) and the Russian Basic Research Foundation (Grant No. 95-02-04510).",

year = "1996",

month = oct,

doi = "10.1006/spmi.1996.0095",

language = "English",

volume = "20",

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journal = "Superlattices and Microstructures",

issn = "0749-6036",

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AU - Klimov, Victor I.

AU - Haring-Bolivar, Peter

AU - Kurz, Heinrich

AU - Karavanskii, Vladimir A.

N1 - Funding Information: Acknowledgements—The authors thank D. McBranch for technical assistance and G. Strouse for critical reading of the manuscript. P. H. is supported by the Heinrich Hertz Foundation. V. Karavanskii acknowledges the support from the Russian State Program ‘Physics of Nanostructures’ (Grant No. I-042) and the Russian Basic Research Foundation (Grant No. 95-02-04510).

PY - 1996/10

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N2 - Application of femtosecond photoluminescence and nonlinear transmission techniques allows us to separate electron and hole relaxation paths in CdS nanocrystals (NCs) and to observe a strong difference in optical nonlinearities in NCs formed by direct-and indirect-gap phases of copper sulfide.

AB - Application of femtosecond photoluminescence and nonlinear transmission techniques allows us to separate electron and hole relaxation paths in CdS nanocrystals (NCs) and to observe a strong difference in optical nonlinearities in NCs formed by direct-and indirect-gap phases of copper sulfide.

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KW - Copper sulfide

KW - Nanocrystals

KW - Optical nonlineaarities

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