Asymmetric branched gold nanoparticles are obtained using for the first time in the seed-growth approach a zwitterionic surfactant, laurylsulfobetaine, whose concentration in the growth solution allows to control both the length to base-width ratio of the branches and the LSPR position, that can be tuned in the 700–1100 nm near infrared range.
Synthesis of branched Au nanoparticles with tunable near-infrared LSPR using a zwitterionic surfactant / P. Pallavicini, G. Chirico, M. Collini, G. Dacarro, A. Dona, L. D'Alfonso, A. Falqui, Y. Diaz-Fernandez, S. Freddi, B. Garofalo, A. Genovese, L. Sironi, A. Taglietti. - In: CHEMICAL COMMUNICATIONS. - ISSN 1359-7345. - 47:4(2011 Jan), pp. 1315-1317. [10.1039/c0cc02682d]
Synthesis of branched Au nanoparticles with tunable near-infrared LSPR using a zwitterionic surfactant
A. Falqui;S. Freddi;
2011
Abstract
Asymmetric branched gold nanoparticles are obtained using for the first time in the seed-growth approach a zwitterionic surfactant, laurylsulfobetaine, whose concentration in the growth solution allows to control both the length to base-width ratio of the branches and the LSPR position, that can be tuned in the 700–1100 nm near infrared range.
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