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MRS Online Proceedings Library (OPL) MRS Online Proceedings Library (OPL)

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Artificial Atoms of Silicon

Published online by Cambridge University Press:  21 March 2011

Justin D. Holmes ,
Kirk J. Ziegler ,
Keith P. Johnston ,
R. Chris Doty  and
Brian A. Korgel
Justin D. Holmes
Affiliation:
Department of Chemical Engineering and Texas Materials Institute, The University of Texas at Austin, Austin, TX 78712-1062, Email: korgel@mail.che.utexas.edu
Kirk J. Ziegler
Affiliation:
Department of Chemical Engineering and Texas Materials Institute, The University of Texas at Austin, Austin, TX 78712-1062, Email: korgel@mail.che.utexas.edu
Keith P. Johnston
Affiliation:
Department of Chemical Engineering and Texas Materials Institute, The University of Texas at Austin, Austin, TX 78712-1062, Email: korgel@mail.che.utexas.edu
R. Chris Doty
Affiliation:
Department of Chemical Engineering and Texas Materials Institute, The University of Texas at Austin, Austin, TX 78712-1062, Email: korgel@mail.che.utexas.edu
Brian A. Korgel
Affiliation:
Department of Chemical Engineering and Texas Materials Institute, The University of Texas at Austin, Austin, TX 78712-1062, Email: korgel@mail.che.utexas.edu
Corresponding
E-mail address:
korgel@mail.che.utexas.edu
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Abstract

Size-monodisperse, stable 15 Å diameter silicon nanocrystals were synthesized in significant quantities using supercritical octanol as a capping ligand. The silicon nanocrystals exhibit an indirect band gap with discrete electronic transitions in the absorbance and photoluminescence excitation (PLE) spectra. The octanol-capped clusters show efficient blue band-edge photoemission with a luminescence quantum yield of 23 % at room temperature.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 582: Symposium H – Molecular Electronics , 1999 , H2.5
Copyright
Copyright © Materials Research Society 1999

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