Downsizing of robust Fe-triazole@SiO2 spin-crossover nanoparticles with ultrathin shells

R. Torres-Cavanillas; L. Lima-Moya; F. D. Tichelaar; H. W. Zandbergen; M. Giménez-Marqués; E. Coronado

doi:10.1039/C9DT02086A

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Downsizing of robust Fe-triazole@SiO₂ spin-crossover nanoparticles with ultrathin shells†

R. Torres-Cavanillas,

^a L. Lima-Moya,

^a F. D. Tichelaar,^b H. W. Zandbergen,^b M. Giménez-Marqués

*^a and E. Coronado

*^a

Author affiliations

* Corresponding authors

^a Instituto de Ciencia Molecular, Universidad de Valencia, Catedrático José Beltrán 2, 46980 Paterna, Spain
E-mail: monica.gimenez-marques@uv.es, eugenio.coronado@uv.es

^b Kavli Institute of Nanoscience, Delft University of Technology, Lorentzweg 1, 2628 CJ Delft, The Netherlands

Abstract

A chemical protocol to design robust hybrid [Fe(Htrz)₂(trz)](BF₄)@SiO₂ nanoparticles (NPs) with sizes as small as 28 nm and ultrathin silica shells below 3 nm has been developed. These NPs present a characteristic abrupt spin transition with a subsequent decrease in the width of the thermal hysteresis upon reducing the NP size.

This article is part of the themed collection: Modern coordination chemistry

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Article information

DOI: https://doi.org/10.1039/C9DT02086A
Article type: Paper
Submitted: 04 Jun 2019
Accepted: 20 Jun 2019
First published: 20 Jun 2019

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Dalton Trans., 2019,48, 15465-15469

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Downsizing of robust Fe-triazole@SiO₂ spin-crossover nanoparticles with ultrathin shells

R. Torres-Cavanillas, L. Lima-Moya, F. D. Tichelaar, H. W. Zandbergen, M. Giménez-Marqués and E. Coronado, Dalton Trans., 2019, 48, 15465 DOI: 10.1039/C9DT02086A

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Dalton Transactions