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Citation: CHEN Fan, WANG Zhong-Yue, ZHANG Yan-Yan, YU Ke-Han, WENG Li-Xing, WEI Wei. Synthesis of Poly(acrylic acid)-Functionalized La_1-xEu_xF₃ Nanocrystals with High Photoluminescence for Cellular Imaging[J]. Acta Physico-Chimica Sinica, ;2017, 33(7): 1446-1452. doi: 10.3866/PKU.WHXB201704102 shu

Synthesis of Poly(acrylic acid)-Functionalized La_1-xEu_xF₃ Nanocrystals with High Photoluminescence for Cellular Imaging

1.
School of Optoelectronic Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210023, P. R. China;
2.
Institute of Advanced Materials, Nanjing University of Posts and Telecommunications, Nanjing 210023, P. R. China

Received Date: 3 January 2017
Revised Date: 3 March 2017

Fund Project: The project was supported by the National Basic Research Program of China (2012CB933301) and National Natural Science Foundation of China (51502144).

Monodisperse La_1-xEu_xF₃ nanoparticles (NPs) were functionalized by poly(acrylic acid) (PAA) via a one-pot modified hydrothermal method. The morphology, crystal structure, surface groups, and luminescence properties of the as-produced La_1-xEu_xF₃@PAA NPs were characterized by transmission electron microscopy (TEM), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), and photoluminescence (PL) spectroscopy. The produced nanoparticles were (7±3) nm in size, water soluble, and buffer stable, with good photostability and biocompatibility. In vitro imaging revealed the low cytotoxicity of the as-synthesized NPs incubated with HeLa cancer cells. Thus, the colloidal La_1-xEu_xF₃@PAA NPs exhibit great potential for use as optical imaging probes in biological applications.
- Lanthanide nanoparticle,
- Hydrothermal,
- Aqueous dispersion,
- Efficient luminescence,
- Bioimaging
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沈阳化工大学材料科学与工程学院沈阳 110142

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Synthesis of Poly(acrylic acid)-Functionalized La1-xEuxF3 Nanocrystals with High Photoluminescence for Cellular Imaging

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通讯作者: 陈斌, bchen63@163.com

Synthesis of Poly(acrylic acid)-Functionalized La_1-xEu_xF₃ Nanocrystals with High Photoluminescence for Cellular Imaging