Intermittent electron transfer activity from single CdSe/ZnS quantum dots

Abey Issac; Shengye Jin; Tianquan Lian

doi:10.1021/ja8043085

Intermittent electron transfer activity from single CdSe/ZnS quantum dots

Abey Issac, Shengye Jin, Tianquan Lian^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

92 Citations (SciVal)

Abstract

Electron transfer activity from excited single CdSe/ZnS core/shell quantum dots (QDs) to adsorbed Fluorescein 27 was studied by single QD fluorescence spectroscopy. In comparison with QDs, the QD-acceptor complexes showed a shorter average and broader distribution of QD emission lifetimes due to electron transfer to adsorbates. Large fluctuation of lifetimes in single QD/dye complexes was observed, indicating intermittent electron transfer activity from QDs.

Original language	English
Pages (from-to)	11280-11281
Number of pages	2
Journal	Journal of the American Chemical Society
Volume	130
Issue number	34
DOIs	https://doi.org/10.1021/ja8043085
Publication status	Published - Aug 27 2008
Externally published	Yes

ASJC Scopus subject areas

Catalysis
Chemistry(all)
Biochemistry
Colloid and Surface Chemistry

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10.1021/ja8043085

Cite this

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abstract = "Electron transfer activity from excited single CdSe/ZnS core/shell quantum dots (QDs) to adsorbed Fluorescein 27 was studied by single QD fluorescence spectroscopy. In comparison with QDs, the QD-acceptor complexes showed a shorter average and broader distribution of QD emission lifetimes due to electron transfer to adsorbates. Large fluctuation of lifetimes in single QD/dye complexes was observed, indicating intermittent electron transfer activity from QDs.",

author = "Abey Issac and Shengye Jin and Tianquan Lian",

year = "2008",

month = aug,

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doi = "10.1021/ja8043085",

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AU - Issac, Abey

AU - Jin, Shengye

AU - Lian, Tianquan

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Y1 - 2008/8/27

N2 - Electron transfer activity from excited single CdSe/ZnS core/shell quantum dots (QDs) to adsorbed Fluorescein 27 was studied by single QD fluorescence spectroscopy. In comparison with QDs, the QD-acceptor complexes showed a shorter average and broader distribution of QD emission lifetimes due to electron transfer to adsorbates. Large fluctuation of lifetimes in single QD/dye complexes was observed, indicating intermittent electron transfer activity from QDs.

AB - Electron transfer activity from excited single CdSe/ZnS core/shell quantum dots (QDs) to adsorbed Fluorescein 27 was studied by single QD fluorescence spectroscopy. In comparison with QDs, the QD-acceptor complexes showed a shorter average and broader distribution of QD emission lifetimes due to electron transfer to adsorbates. Large fluctuation of lifetimes in single QD/dye complexes was observed, indicating intermittent electron transfer activity from QDs.

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Intermittent electron transfer activity from single CdSe/ZnS quantum dots

Abstract

ASJC Scopus subject areas

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