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Issue 24, 2018
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Solid phase extraction for the purification of violet, blue, green and yellow emitting carbon dots

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Abstract

In this work, we describe a simple and general procedure for the purification of carbon dots. Following a hydrothermal heating procedure, the reaction mixture usually contains unreacted starting material and by-products alongside the carbon dots, which often appear among otherwise intense photoluminescence. The proposed purification method is based on a solid phase extraction technique, where the reaction mixture is absorbed on porous alumina and the carbon dots are isolated from the by-products and unreacted organics using proper solvents, and are finally recovered from the alumina using a simple extraction.

Graphical abstract: Solid phase extraction for the purification of violet, blue, green and yellow emitting carbon dots

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Publication details

The article was received on 05 May 2018, accepted on 02 Jun 2018 and first published on 05 Jun 2018


Article type: Communication
DOI: 10.1039/C8NR03668C
Citation: Nanoscale, 2018,10, 11293-11296
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    Solid phase extraction for the purification of violet, blue, green and yellow emitting carbon dots

    A. Koutsioukis, A. Akouros, R. Zboril and V. Georgakilas, Nanoscale, 2018, 10, 11293
    DOI: 10.1039/C8NR03668C

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