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Investigation of the internal heterostructure of highly luminescent quantum dot#quantum well nanocrystals

Abstract:

In this paper, we report on the growth and characterization of quantum dot-quantum well nanostructures with photoluminescence (PL) that is tunable over the visible range. The material exhibits a PL efficiency as high as ∼60% and is prepared by reacting ZnS nanocrystals in turn with precursors for CdSe and ZnS in an attempt to form a simple "ZnS/CdSe/ZnS quantum-well structure". Through the use of synchrotron radiation-based photoelectron spectroscopy in conjunction with detailed overall compo...

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Publisher copy:
10.1021/ja8033075

Authors


Santra, PK More by this author
Viswanatha, R More by this author
Daniels, SM More by this author
Pickett, NL More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Materials
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Journal:
Journal of the American Chemical Society
Volume:
131
Issue:
2
Pages:
470-477
Publication date:
2009-01-21
DOI:
ISSN:
0002-7863
URN:
uuid:8e77c3f0-5cf3-4e0a-b7e8-772e6a664c8e
Source identifiers:
134388
Local pid:
pubs:134388
Language:
English

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