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Baek, Jong-Beom
Center for Dimension-Controllable Organic Frameworks
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Reversible adsorption of conjugated amphiphilic dendrimers onto reduced graphene oxide (rGO) for fluorescence sensing

Author(s)
Chang, Dong WookSohn, Gyung-JooDai, LimingBaek, Jong-Beom
Issued Date
2011-09
DOI
10.1039/c1sm05755c
URI
https://scholarworks.unist.ac.kr/handle/201301/2830
Fulltext
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=80052547673
Citation
SOFT MATTER, v.7, no.18, pp.8352 - 8357
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.
Publisher
ROYAL SOC CHEMISTRY
ISSN
1744-683X
Keyword
CHEMICAL-VAPOR-DEPOSITIONEXFOLIATED GRAPHITE OXIDEWALLED CARBON NANOTUBESAQUEOUS DISPERSIONSLARGE-AREANANOSHEETSFUNCTIONALIZATIONTRANSPARENTREDUCTIONSHEETS

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