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Multifunctional GdPO4:Pr3+ nanocrystals displaying UV emission, visible emission, and magnetic properties

Published online by Cambridge University Press:  04 April 2014

Junsang Cho  and
Chang Hae Kim
Junsang Cho*
Affiliation:
Thin Film Materials Research Group, Advanced Materials Division, Korea Research Institute of Chemical Technology (KRICT), Yuseong-gu, Daejeon 305-600, Korea.
Chang Hae Kim
Affiliation:
Thin Film Materials Research Group, Advanced Materials Division, Korea Research Institute of Chemical Technology (KRICT), Yuseong-gu, Daejeon 305-600, Korea.
*
*Email: [email protected]
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Abstract

Multifunctional Pr3+-doped GdPO4 nanocrystals possessing UV, visible emissions and magnetic properties were synthesized via co-precipitation and following annealing. It was revealed that as-prepared GdPO4 nanorods were transformed to nanoparticles after heat treatment at 900 °C for 2 hours. Ultimately, GdPO4:Pr3+ nanoparticles have strong UV emission under the excitation of 275 nm and visible emission under the excitation of 445 nm, which offers the optical modalities in both UV and visible range. Moreover, Gd3+-containing nanoparticles are efficient T2-weighted (negative) magnetic resonance (MR) contrast agents due to the presence of Gd3+ ions, which can be potentially applied as multimodal, photoluminescence-magnetic resonance imaging contrast agent.

Keywords

Gdphotoemissionmagnetic properties
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1655: Symposium OO – Solid-State Chemistry of Inorganic Materials , 2014 , mrsf13-1655-oo03-10
Copyright
Copyright © Materials Research Society 2014 

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