Microwave hydrothermal synthesis and upconversion properties of BiVO4 nanoparticles

Nanomaterials are the subject of extensive investigations due to their applications in medicine, multimodal imaging, volumetric displays, and photonics. Here, lanthanide-doped bismuth vanadate (BiVO4) upconverting nanoparticles (UCNPs) have been reported. The nanoparticles have been synthesized by a...

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Published inNanotechnology Vol. 31; no. 24; pp. 244001 - 244010
Main Authors Kshetri, Yuwaraj K, Regmi, Chhabilal, Dhakal, Dhani Ram, Kim, Tae-Ho, Kim, Seung Ho, Kim, Hak-Soo, Lee, Soo Wohn
Format Journal Article
LanguageEnglish
Published IOP Publishing 27.03.2020
Subjects
BiVO
downshifting
lifetime
microwave hydrothermal
nanoparticles
upconversion
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Summary:Nanomaterials are the subject of extensive investigations due to their applications in medicine, multimodal imaging, volumetric displays, and photonics. Here, lanthanide-doped bismuth vanadate (BiVO4) upconverting nanoparticles (UCNPs) have been reported. The nanoparticles have been synthesized by a microwave hydrothermal method. As-synthesized nanoparticles are highly crystalline in the tetragonal zircon phase with particles about 200 nm in size. Under 980 nm excitation, intense multicolor visible and near-infrared upconversion emissions are observed. Moreover, broadband infrared downshifting emissions are also observed. Time-resolved emission measurements have been carried out to investigate the involved upconversion and energy transfer mechanism. The BiVO4-based UCNPs may provide a new class of nanomaterials for multifunctional applications.
Bibliography:NANO-124121.R2
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ISSN:0957-4484
1361-6528
1361-6528
DOI:10.1088/1361-6528/ab78ae