Journal
MACROMOLECULAR RAPID COMMUNICATIONS
Volume 36, Issue 11, Pages 1089-1095Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.201500003
Keywords
atom-transfer radical polymerization; fluorescent nanoparticles; pentafluorophenyl methacrylate; polymer nanoparticles
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Funding
- National Research Foundation (NRF) of Korea for the National Creative Research Initiative for Intelligent Hybrids [2010-0018290]
- World Class University Program through the NRF of Korea - Ministry of Education, Science, and Technology [R31-10013]
- International Research Training Group (IRTG) program of NRF of Korea [2014001836]
- National Research Foundation of Korea [2010-0018290] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Emission wavelength control in fluorescent nanoparticles (NPs) is crucial for their applications. In the case of inorganic quantum dots or dye-impregnated silica NPs, such a control is readily achieved by changing the size of the particles or choosing appropriate fluorescent dyes, respectively. A similar modular approach for controlling the emission wavelength of fluorescent polymer NPs, however, is difficult. This article reports on fluorescent polymer NPs, the synthesis of which provides a platform for a modular approach towards the preparation of fluorescent NPs of desired emission wavelength. Atom-transfer radical polymerization (ATRP) is employed to synthesize reactive ester polymers, which are then easily modified with a commercially available dye and subsequently subjected to nanoprecipitation. The resulting NPs, with low size polydispersity, show an enhanced emission quantum yield when compared with the same dye molecules in solution.
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