The Synthesis of Amphiphilic Luminescent Graphene Quantum Dot and Its Application in Miniemulsion Polymerization
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© 2016 Minxiang Zeng et al. Although emulsion applications of microscale graphene sheets have attracted much attention recently, nanoscale graphene platelets, namely, graphene quantum dots (GQDs), have been rarely explored in interface science. In this work, we study the interfacial behaviors and emulsion phase diagrams of hydrophobic-functionalized graphene quantum dots (C18-GQDs). Distinctive from pristine graphene quantum dots (p-GQDs), C18-GQDs show several interesting surface-active properties including high emulsification efficiency in stabilizing dodecane-in-water emulsions. We then utilize the C18-GQDs as surfactants in miniemulsion polymerization of styrene, achieving uniform and relatively small polystyrene nanospheres. The high emulsification efficiency, low production cost, uniform morphology, intriguing photoluminescence, and extraordinary stability render C18-GQDs an attractive alternative in surfactant applications.
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Zeng, M., Wang, X., Yu, Y., Zhang, L., Shafi, W., Huang, X., & Cheng, Z.
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Zeng, Minxiang||Wang, Xuezhen||Yu, Yi-Hsien||Zhang, Lecheng||Shafi, Wakaas||Huang, Xiayun||Cheng, Zhengdong
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https://hdl.handle.net/1969.1/181870
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