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Issue 18, 2011
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Reversible adsorption of conjugated amphiphilic dendrimers onto reduced graphene oxide (rGO) for fluorescence sensing

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Abstract

A new class of smart complexes with reduced graphene oxide (rGO) and fluorescent amphiphilic dendrimers with triphenylamine cores, benzothiadiazole branches and poly(ethylene oxide) shells (RD) were prepared. The RD can adsorb onto rGO to enhance the dispersibility of rGO in aqueous media. The adsorbed dendrimers can be replaced by other amphiphiles, such as sodium dodecylbenzene sulfonate (SDBS) and lysophospholipid (LPC 18 : 0). This replacement was confirmed by photoluminescent spectra, X-ray photoelectron (XPS) and FT-IR spectroscopic measurements. These unique features could lead to the development of novel fluorescent turn-on biosensors based on the newly developed smart RD–rGO complexes.

Graphical abstract: Reversible adsorption of conjugated amphiphilic dendrimers onto reduced graphene oxide (rGO) for fluorescence sensing

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Publication details

The article was received on 25 Apr 2011, accepted on 29 Jun 2011 and first published on 08 Aug 2011


Article type: Paper
DOI: 10.1039/C1SM05755C
Citation: Soft Matter, 2011,7, 8352-8357
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    Reversible adsorption of conjugated amphiphilic dendrimers onto reduced graphene oxide (rGO) for fluorescence sensing

    D. W. Chang, G. Sohn, L. Dai and J. Baek, Soft Matter, 2011, 7, 8352
    DOI: 10.1039/C1SM05755C

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