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Titolo:
Core-shell materials elaboration in supercritical mixture CO2/ethanol
Autore:
Pessey, V; Garriga, R; Weill, F; Chevalier, B; Etourneau, J; Cansell, F;
Indirizzi:
Univ Bordeaux 1, CNRS UPR 9048, ICMCB, F-33608 Pessac, France Univ Bordeaux 1 Pessac France F-33608 048, ICMCB, F-33608 Pessac, France
Titolo Testata:
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
fascicolo: 12, volume: 39, anno: 2000,
pagine: 4714 - 4719
SICI:
0888-5885(200012)39:12<4714:CMEISM>2.0.ZU;2-P
Fonte:
ISI
Lingua:
ENG
Soggetto:
NANOPARTICLES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
21
Recensione:
Indirizzi per estratti:
Indirizzo: Cansell, F Univ Bordeaux 1, CNRS UPR 9048, ICMCB, 1 Ave Albert Schweitzer,F-33608 Pessac, France Univ Bordeaux 1 1 Ave Albert Schweitzer Pessac France F-33608
Citazione:
V. Pessey et al., "Core-shell materials elaboration in supercritical mixture CO2/ethanol", IND ENG RES, 39(12), 2000, pp. 4714-4719

Abstract

Supercritical fluids exhibit a range of unusual properties that can be exploited for developing new processes. In this paper a new way for particle coating is presented. It consists of depositing on a core particle a thin layer of a material based on copper in a supercritical medium. Two examples are described: a deposit of Cu on nickel particles and a deposit of Cu on particles of permanent magnet SmCo5. In both cases the copper source is bis(hexafluoroacetylacetonate)copper(II), which is thermally decomposed in the supercritical mixture CO2/ethanol. This process allows one to obtain new "core-shell structures", Ni/Cu and SmCo5/Cu. New interesting properties are expected for these structures, more particularly in the magnetic recording field.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 31/03/20 alle ore 04:51:08