Towards large amounts of Janus nanoparticles through a protection–deprotection route

Adeline Perro; Stéphane Reculusa; Franck Pereira; Marie-Hélène Delville; Christophe Mingotaud; Etienne Duguet; Elodie Bourgeat-Lami; Serge Ravaine

doi:10.1039/B507486J

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Towards large amounts of Janusnanoparticles through a protection–deprotection route†

Adeline Perro,^ab Stéphane Reculusa,^a Franck Pereira,^b Marie-Hélène Delville,^b Christophe Mingotaud,^c Etienne Duguet,^b Elodie Bourgeat-Lami^d and Serge Ravaine*^a

Author affiliations

* Corresponding authors

^a Centre de Recherche Paul Pascal – CNRS, 115, avenue du Dr Schweitzer - 33600 Pessac, France
E-mail: ravaine@crpp-bordeaux.cnrs.fr

^b Institut de Chimie de la Matière Condensée de Bordeaux – CNRS, 87, avenue du Dr Schweitzer - 33608 Pessac Cedex, France
E-mail: duguet@icmcb-bordeaux.cnrs.fr

^c Laboratoire des IMRCP – Université Paul Sabatier – 118, route de Narbonne - 31062 Toulouse Cedex, France
E-mail: cmingo@chimie.ups-tlse.fr

^d Laboratoire de Chimie et Procédés de Polymérisation – CNRS-CPE Lyon - Bâtiment 308 F, 43, boulevard du 11 novembre 1918 - BP 2077 - 69616 Villeurbanne Cedex
E-mail: bourgeat@lcpp.cpe.fr

Abstract

Janus silica nanoparticles, regioselectively functionalized by two different chemical groups, were synthesized through a multistep procedure based on the use of a polystyrene nodule as a protecting mask.

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Supplementary files

: Experimental procedure to synthesize the snowman-like hybrid particles. TEM image of latex particles isolated by centrifugation from the 'Janus' silica particles after their separation. TEM images of silica nanoparticles functionalized with amino- or methyl-groups on the whole surface after reaction with gold nanocolloids. TEM image of a 'Janus' nanoparticle regioselectively coated by a gold cap PDF (255K)

Article information

DOI: https://doi.org/10.1039/B507486J
Article type: Communication
Submitted: 27 May 2005
Accepted: 12 Sep 2005
First published: 03 Oct 2005

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Chem. Commun., 2005, 5542-5543

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Towards large amounts of Janus nanoparticles through a protection–deprotection route

A. Perro, S. Reculusa, F. Pereira, M. Delville, C. Mingotaud, E. Duguet, E. Bourgeat-Lami and S. Ravaine, Chem. Commun., 2005, 5542 DOI: 10.1039/B507486J

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Chemical Communications

Towards large amounts of Janusnanoparticles through a protection–deprotection route†

Abstract

Supplementary files

Article information

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Towards large amounts of Janus nanoparticles through a protection–deprotection route

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