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Imaging a single quantum dot when it is dark.

Abstract:

We have succeeded in recording extinction images of individual cadmium selenide quantum dots at ambient condition. This is achieved by optimizing the interference between the light that is coherently scattered from the quantum dot and the reflection of the incident laser beam. The ability to interrogate the dot in the absence of fluorescence has revealed that its extinction cross section diminishes in the photobleached state, but interestingly, it remains unchanged during fluorescence blinkin...

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Publication status:
Published

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Publisher copy:
10.1021/nl801735y

Authors


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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
Celebrano, M More by this author
Sandoghdar, V More by this author
Journal:
Nano letters
Volume:
9
Issue:
3
Pages:
926-929
Publication date:
2009-03-05
DOI:
EISSN:
1530-6992
ISSN:
1530-6984
URN:
uuid:c7c10407-fce4-473f-a6e3-d4519df1f234
Source identifiers:
118469
Local pid:
pubs:118469

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