Over 1000-fold enhancement of upconversion luminescence using water-dispersible metal-insulator-metal nanostructures

Ananda Das; Chenchen Mao; Suehyun Cho; Kyoungsik Kim; Wounjhang Park

doi:10.1038/s41467-018-07284-w

Nature Communications (Nov 2018)

Over 1000-fold enhancement of upconversion luminescence using water-dispersible metal-insulator-metal nanostructures

Ananda Das,
Chenchen Mao,
Suehyun Cho,
Kyoungsik Kim,
Wounjhang Park

Affiliations

Ananda Das: Department of Physics, University of Colorado
Chenchen Mao: Department of Electrical, Computer, and Energy Engineering, University of Colorado
Suehyun Cho: Department of Electrical, Computer, and Energy Engineering, University of Colorado
Kyoungsik Kim: School of Mechanical Engineering, Yonsei University
Wounjhang Park: Department of Electrical, Computer, and Energy Engineering, University of Colorado

DOI: https://doi.org/10.1038/s41467-018-07284-w
Journal volume & issue: Vol. 9, no. 1
pp. 1 – 11

Abstract

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Upconversion nanoparticles are already used in bio-imaging but still suffer from low luminescence. Here, metal-insulator-metal nanostructures with 1-2 orders magnitude enhancement in upconversion are introduced enabling bioimaging at reduced particle or excitation power densities, respectively.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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