Issue 44, 2012
From the journal:

Chemical Communications

Quantum confinement in silver selenide semiconductor nanocrystals†

Ayaskanta Sahu,ab   Ankur Khare,b   Donna D. Dengb  and  David J. Norris*a  

* Corresponding authors

a ETH Zurich, Optical Materials Engineering Laboratory, Universitaetstrasse 6, 8092 Zurich, Switzerland

b University of Minnesota, Department of Chemical Engineering and Materials Science, 421 Washington Avenue SE, Minneapolis, Minnesota 55455, USA
E-mail: dnorris@ethz.ch

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.

Graphical abstract: Quantum confinement in silver selenide semiconductor nanocrystals

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Article information

DOI
https://doi.org/10.1039/C2CC30539A
Article type
Communication
Submitted
24 Jan 2012
Accepted
14 Apr 2012
First published
16 Apr 2012

Chem. Commun., 2012,48, 5458-5460

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Quantum confinement in silver selenide semiconductor nanocrystals

A. Sahu, A. Khare, D. D. Deng and D. J. Norris, Chem. Commun., 2012, 48, 5458 DOI: 10.1039/C2CC30539A

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