Quantum confinement in silver selenide semiconductor nanocrystals

Ayaskanta Sahu; Ankur Khare; Donna D. Deng; David J. Norris

doi:10.1039/c2cc30539a

Quantum confinement in silver selenide semiconductor nanocrystals

Ayaskanta Sahu, Ankur Khare, Donna D. Deng, David J. Norris

Chemical and Biomolecular Engineering

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

Abstract

We prepare Ag₂Se nanocrystals with average diameters between 2.7 and 10.4 nm that exhibit narrow optical absorption features in the near to mid infrared. We demonstrate that these features are broadly tunable due to quantum confinement. They provide the longest wavelength absorption peaks (6.5 μm) yet reported for colloidal nanocrystals.

Original language	English (US)
Pages (from-to)	5458-5460
Number of pages	3
Journal	Chemical Communications
Volume	48
Issue number	44
DOIs	https://doi.org/10.1039/c2cc30539a
State	Published - May 7 2012

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
General Chemistry
Ceramics and Composites
Metals and Alloys
Materials Chemistry
Surfaces, Coatings and Films
Catalysis

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10.1039/c2cc30539a

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title = "Quantum confinement in silver selenide semiconductor nanocrystals",

abstract = "We prepare Ag2Se nanocrystals with average diameters between 2.7 and 10.4 nm that exhibit narrow optical absorption features in the near to mid infrared. We demonstrate that these features are broadly tunable due to quantum confinement. They provide the longest wavelength absorption peaks (6.5 μm) yet reported for colloidal nanocrystals.",

author = "Ayaskanta Sahu and Ankur Khare and Deng, {Donna D.} and Norris, {David J.}",

year = "2012",

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AU - Sahu, Ayaskanta

AU - Khare, Ankur

AU - Deng, Donna D.

AU - Norris, David J.

PY - 2012/5/7

Y1 - 2012/5/7

N2 - We prepare Ag2Se nanocrystals with average diameters between 2.7 and 10.4 nm that exhibit narrow optical absorption features in the near to mid infrared. We demonstrate that these features are broadly tunable due to quantum confinement. They provide the longest wavelength absorption peaks (6.5 μm) yet reported for colloidal nanocrystals.

AB - We prepare Ag2Se nanocrystals with average diameters between 2.7 and 10.4 nm that exhibit narrow optical absorption features in the near to mid infrared. We demonstrate that these features are broadly tunable due to quantum confinement. They provide the longest wavelength absorption peaks (6.5 μm) yet reported for colloidal nanocrystals.

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Quantum confinement in silver selenide semiconductor nanocrystals

Abstract

ASJC Scopus subject areas

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