Journal
CARBON LETTERS
Volume 13, Issue 1, Pages 29-33Publisher
KOREAN CARBON SOC
DOI: 10.5714/CL.2012.13.1.029
Keywords
graphite; gold nanoparticle; graphene; nanocomposite; surface functionalization
Funding
- National Research Foundation of Korea (NRF) - Ministry of Education, Science and Technology (MEST) of the Korean government [313-2008-2-C00538, 2008-0062074, 2011-0017356]
- Nano R&D program of NRF - MEST [2008-2004457]
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A novel strategy for the simultaneous reduction and functionalization of graphene oxide (G-O) was developed using polyallylamine hydrochloride (PAAH) as a multi-functional agent. The G-O functionalization by PAAH was carried out under basic conditions to catalyze the epoxide ring opening reaction of G-O with abundant amine groups of PAAH. We found that G-O was not only functionalized with PAAH but also reduced under the reaction condition. Moreover, the synthesized PAAH-functionalized G-O sheets were soluble in water and applicable to the synthesis of nanocomposites with gold nanoparticles.
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