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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 approximately 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 ...

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Publication status:
Published

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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:
2009-01-05
DOI:
EISSN:
1520-5126
ISSN:
0002-7863
URN:
uuid:dddf39ff-f66f-41b2-96b5-f8de8c11fcec
Source identifiers:
27281
Local pid:
pubs:27281

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