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Titolo:
PREPARATION OF MONODISPERSED ELECTROCONDUCTIVE PARTICLES
Autore:
KIMATA M; KASHIWAYA H; HASEGAWA M;
Indirizzi:
YAMAGATA UNIV,DEPT MAT SCI & ENGN YONEZAWA YAMAGATA 992 JAPAN
Titolo Testata:
Kagaku kogaku ronbunshu
fascicolo: 4, volume: 24, anno: 1998,
pagine: 660 - 664
SICI:
0386-216X(1998)24:4<660:POMEP>2.0.ZU;2-B
Fonte:
ISI
Lingua:
JPN
Soggetto:
SILICA PARTICLES; SIZE; HYDROLYSIS;
Keywords:
MONODISPERSED PARTICLE; ELECTROCONDUCTIVITY; NITRIDING; TITANIUM NITRIDE; SILICA; TITANIA;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
10
Recensione:
Indirizzi per estratti:
Citazione:
M. Kimata et al., "PREPARATION OF MONODISPERSED ELECTROCONDUCTIVE PARTICLES", Kagaku kogaku ronbunshu, 24(4), 1998, pp. 660-664

Abstract

Monodispersed electroconductive particles were prepared by nitriding composite particles. The composite particles were monodispersed silicaparticles coated uniformly with a titania layer. The composite was obtained by hydrolysis of titanium isopropoxide in the presence of silica seed particles synthesized by hydrolysis of tetraethyl orthosilicate. The nitriding experiments of composite particles were conducted in atube furnace at various temperatures and constant flow rate of ammonia gas. Xray diffraction patterns of the composite particles after nitriding revealed that titanium nitride was produced at temperature higher than 973 K. From scanning electron micrographs, it was found that composite particles after nitriding are maintained as monodispersed forms of seed particles. The electroconductivity of the composite particles after nitriding is high enough for practical usage.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 18/09/20 alle ore 16:29:31