Issue 31, 2015

Gd–Si oxide mesoporous nanoparticles with pre-formed morphology prepared from a Prussian blue analogue template

Abstract

A novel approach to the synthesis of Gd–Si oxide mesoporous nanoparticles with a high Gd3+ atom density and pre-formed morphology is presented. Prussian blue analogue Gd(H2O)4[Fe(CN)6], a metal organic framework that crystallizes in the orthorhombic system, is used for the first time as a sacrificial template by a reaction with soluble silicate. Simultaneous and stoichiometric condensation of gadolinium hydroxide and silica takes place, leading to dense and monodispersed nanoparticles that preserve the original shape and size of the Prussian blue analogue crystals. Then, porosity is developed by incorporation of cetyltrimethylammonium bromide under hydrothermal conditions. The obtained Gd–Si mesoporous oxide particles present a dual morphology of nanocrosses and nanorods and large surface areas.

Graphical abstract: Gd–Si oxide mesoporous nanoparticles with pre-formed morphology prepared from a Prussian blue analogue template

Supplementary files

Article information

Article type
Paper
Submitted
22 May 2015
Accepted
27 Jun 2015
First published
01 Jul 2015

Dalton Trans., 2015,44, 14034-14041

Gd–Si oxide mesoporous nanoparticles with pre-formed morphology prepared from a Prussian blue analogue template

A. Cabrera-García, A. Vidal-Moya, Á. Bernabeu, J. Sánchez-González, E. Fernández and P. Botella, Dalton Trans., 2015, 44, 14034 DOI: 10.1039/C5DT01928A

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