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An Aqueous Route To Multicolor Photoluminescent Carbon Dots Using Silica Spheres As Carriers.

Ruili Liu, Dongqing Wu, Shuhua Liu, K. Koynov, W. Knoll, Q. Li
Published 2009 · Materials Science, Medicine

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Carbon lights up: A facile chemical method yields multicolor photoluminescent carbon dots derived from polymer/silica nanocomposites, which were prepared using surfactant-modified silica spheres as carriers and resols (phenol/formaldehyde resins) as carbon precursor (see picture). The surface-passivated carbon dots show good biocompatibility as potential bioimaging agents offering nanometer-scale resolution.
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