Core/Shell NaGdF4:Nd3+/NaGdF4 Nanocrystals with Efficient Near-Infrared to Near-Infrared Downconversion Photoluminescence for Bioimaging Applications

Chen, Guanying; Y. Ohulchanskyy, Tymish; Liu, Sha; Law, Wing‐Cheung; Wu, Fang; T. Swihart, Mark; Ågren, Hans; N. Prasad, Paras

doi:10.1021/nn2042362

Public

Core/Shell NaGdF4:Nd3+/NaGdF4 Nanocrystals with Efficient Near-Infrared to Near-Infrared Downconversion Photoluminescence for Bioimaging Applications

Published in ACS Nano • Mar 8, 2012

Authors:

Guanying Chen

Tymish Y. Ohulchanskyy

Sha Liu

Abstract

We have synthesized core/shell NaGdF(4):Nd(3+)/NaGdF(4) nanocrystals with an average size of 15 nm and exceptionally high photoluminescence (PL) quantum yield. When excited at 740 nm, the nanocrystals manifest spectrally distinguished, near-infrared to near-infrared (NIR-to-NIR) downconversion PL pe...

Subject

Photoluminescence

Quantum yield

Materials science

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