CAS OpenIR  > 中科院上海原子核所2003年前
Preparation of a novel polymeric fluorescent nanoparticle
Gao, HF; Zhao, YQ; Fu, SK; Li, B(李宾); Li, MQ(李民乾)
2002
Source PublicationCOLLOID AND POLYMER SCIENCE
ISSN0303-402X
Volume280Issue:7Pages:653
AbstractA new type of narrowly dispersed fluorescent crosslinked polystyrene (PS) nanoparticles (20-50 nm) was synthesized via a modified microemulsion copolymerization of styrene, crosslinker divinyl benzene (DVB) and a hydrophilic comonomer amino ethyl methacrylate hydrochloride (AEMH), in the presence of pyrene. Characterized by steady-state fluorescence spectra, these nanoparticles show high luminescent intensity and the embedded pyrene has a negligible desorption from the nanoparticles. The emission intensity I-1 of the pyrene in the crosslinked nanoparticles is 40 times higher than that of pyrene in toluene or styrene solution with the same concentration. The fluorescence emission intensity can be varied by the amount of the monomer, crosslinker and pyrene, but is influenced little by the amount of AEMH in the range of investigation. The surface of the nanoparticles is modified by amino and amidino functional groups introduced by the comonomer and the initiator 2, 2'-azobis (2-amidinopropane) dihydrochloride (V-50), which controls the zeta potential on the particle surface.
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000176980200010
Citation statistics
Cited Times:39[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/10116
Collection中科院上海原子核所2003年前
Recommended Citation
GB/T 7714
Gao, HF,Zhao, YQ,Fu, SK,et al. Preparation of a novel polymeric fluorescent nanoparticle[J]. COLLOID AND POLYMER SCIENCE,2002,280(7):653.
APA Gao, HF,Zhao, YQ,Fu, SK,Li, B,&Li, MQ.(2002).Preparation of a novel polymeric fluorescent nanoparticle.COLLOID AND POLYMER SCIENCE,280(7),653.
MLA Gao, HF,et al."Preparation of a novel polymeric fluorescent nanoparticle".COLLOID AND POLYMER SCIENCE 280.7(2002):653.
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