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Issue 44, 2011
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White light emission from Mn-doped ZnSe d-dots synthesized continuously in microfluidic reactors

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Abstract

Mn-doped ZnSe nanocrystals (Mn:ZnSe d-dots) that emit white light were synthesized in aqueous media in microfluidic reactors. White light emission from Mn:ZnSe d-dots was a result of combined emission of blue light (emission from non-coordinated surface selenium sites) and yellow light (4T16A1 emission from Mn2+ ions). Emission from non-coordinated surface selenium sites was realized by adjusting the ratio of the flow volumes of [Zn]/[Mn] and the mass of stabilizer added. Photoluminescence from the Mn:ZnSe d-dots was easily tuned from 580 to 602 nm by regulating flow volume. Under the optimal experimental conditions, Mn:ZnSe d-dots that emit white light with a quantum yield of about 10.2% were fabricated.

Graphical abstract: White light emission from Mn-doped ZnSe d-dots synthesized continuously in microfluidic reactors

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Publication details

The article was received on 13 May 2011, accepted on 05 Sep 2011 and first published on 13 Oct 2011


Article type: Paper
DOI: 10.1039/C1JM12128F
Citation: J. Mater. Chem., 2011,21, 17972-17977
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    White light emission from Mn-doped ZnSe d-dots synthesized continuously in microfluidic reactors

    P. Shao, H. Wang, Q. Zhang and Y. Li, J. Mater. Chem., 2011, 21, 17972
    DOI: 10.1039/C1JM12128F

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