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Issue 17, 2004
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On-line analysis of CdSe nanoparticle formation in a continuous flow chip-based microreactor

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Abstract

The online analysis of cadmium selenide nanoparticle formation in continuous-flow microfluidic reactors is described. The as-produced particles exhibit sharp excitonic absorption and emission peaks (∼30–40 nm) with relatively high quantum efficiencies (∼10%). The mean size and dispersity of the particles, determined using on-line fluorescence detection, may be controlled by varying the reaction temperature and/or the flow rate. The microfluidic approach provides considerable control over nucleation/growth processes and is a promising strategy for the direct production of near-monodisperse nanoparticles without recourse to further size selection.

Graphical abstract: On-line analysis of CdSe nanoparticle formation in a continuous flow chip-based microreactor

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Publication details

The article was received on 02 Feb 2004, accepted on 20 May 2004 and first published on 01 Jul 2004


Article type: Paper
DOI: 10.1039/B401559B
Citation: J. Mater. Chem., 2004,14, 2655-2660
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    On-line analysis of CdSe nanoparticle formation in a continuous flow chip-based microreactor

    S. Krishnadasan, J. Tovilla, R. Vilar, A. J. deMello and J. C. deMello, J. Mater. Chem., 2004, 14, 2655
    DOI: 10.1039/B401559B

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