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Issue 26, 2018
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Breaking the Nd3+-sensitized upconversion nanoparticles myth about the need of onion-layered structures

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Abstract

Up to now, most strategies to build efficient 800 nm-light responsive upconversion nanoparticles (UCNPs) have included onion-layered structures, in which Nd3+ is confined within the inorganic crystal structure of at least one layer. We report here an easy room-temperature modular preparation of core–shell UCNPs consisting of NaYF4:Yb,Er(Tm)/NaYF4 (UCCS) with Nd3+ anchored at the organic capping by using cucurbituril[7] (CB[7]) as an adhesive. Strikingly, excitation at 800 nm effectively triggers the upconversion emission of UCCS@CB[7]@Nd nanohybrids.

Graphical abstract: Breaking the Nd3+-sensitized upconversion nanoparticles myth about the need of onion-layered structures

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Article information


Submitted
31 Jan 2018
Accepted
12 Jun 2018
First published
12 Jun 2018

Nanoscale, 2018,10, 12297-12301
Article type
Communication

Breaking the Nd3+-sensitized upconversion nanoparticles myth about the need of onion-layered structures

N. Estebanez, J. Ferrera-González, L. Francés-Soriano, R. Arenal, M. González-Béjar and J. Pérez-Prieto, Nanoscale, 2018, 10, 12297
DOI: 10.1039/C8NR00871J

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