期刊
MACROMOLECULAR RAPID COMMUNICATIONS
卷 30, 期 3, 页码 188-193出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.200800629
关键词
disperse polymerization; gold nanoparticles; microencapsulation; microreactors; monodisperse microcapsules; silicas
资金
- MOST/KOSEF [R15-2006-022-01001-0]
- Brain Korea 21 program [BK-21]
- Center for Ultramicrochemical Process Systems (CUPS)
- National Research Foundation of Korea [R01-2003-000-10020-0, 2006-0051992] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
A versatile approach to fabricate monodisperse poly[styrene-co-(divinyl benzene)] (PS-co-DVB) microcapsules that contain a single gold nanoparticle (AuNP) has been demonstrated. Using the PS-co-DVB microcapsule as a microreactor, aqueous HAuCl4 and NaBH4 solutions are subsequently infiltrated. The size of the resulting AuNP inside of the PS-co-DVB microcapsules is easily tunable by controlling the repeate infiltration cycles of aqueous HAuCl4 and NaBH4. PS-co-DVB microcapsules that contain a single silver and palladium nanoparticle are also obtained by following a similar protocol.
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