Engineering the crystal growth behavior: "On substrate" MOD formation of ZnO hollow spheres

resumo

In this paper is described an easy, one-pot synthesis of ZnO hollow spheres with sizes ranging from 300 nm to 500 nm, by spin-coating deposition on aluminum substrate. Simplified models explaining the shape formation based on film-substrate interaction are discussed. The characteristic size and shape of the nanostructures obtained by the described method and the properties of ZnO as a low-cost biocompatible material make this methodology of synthesis interesting for a wide range of applications including optoelectronics, catalysis and (bio)sensors. (C) 2009 Elsevier B. V. All rights reserved.

palavras-chave

ZINC-OXIDE FILMS; THIN-FILMS; OPTICAL-PROPERTIES; ELECTRODEPOSITION; NANOPARTICLES; SENSORS

categoria

Chemistry; Materials Science; Physics

autores

Tafulo, PAR; Ferro, M; Guerreiro, A; Gonzalez-Aguilar, G

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