Titania sols and gels synthesized from reverse micelles

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TiO 2 nanoparticles are synthesized in water/AOT/isooctane reverse micelles by hydrolysis of titanium (IV) n-butoxide. The molar ratios of the three components defines the size of nanoparticles as determined from the uv-visible absorption onset of the disperse system. Depending on the relative conte...

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Detalles Bibliográficos
Autor principal: Ginzberg, Berta
Otros Autores: Bilmes, S.A
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: 1996
Acceso en línea:Registro en Scopus
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Biblioteca Central Dr. Luis F. Leloir (FCEN) de Universidad de Buenos Aires
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100 1 |a Ginzberg, Berta 
245 1 0 |a Titania sols and gels synthesized from reverse micelles 
260 |c 1996 
270 1 0 |m Ginzberg, B.; Departamento de Química, Facultad de Ingeniería, Universidad de Buenos Aires, Paseo Colón 850, 1043 Buenos Aires, Argentina 
504 |a Judin, V.P., (1993) Chemistry in Britain, p. 503 
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506 |2 openaire  |e Política editorial 
520 3 |a TiO 2 nanoparticles are synthesized in water/AOT/isooctane reverse micelles by hydrolysis of titanium (IV) n-butoxide. The molar ratios of the three components defines the size of nanoparticles as determined from the uv-visible absorption onset of the disperse system. Depending on the relative content of each component this sol undergoes a gel phase. The kinetics of sol-gel process is monitored for different Ti(BuO) 4 ./ water/AOT molar ratios, and as a function of temperature by static viscosity, and by the optical density of the system in the spectral range where light scattering is the dominant optical process. The water content of the system and the Ti(BuO) 4 /water molar ratio have great influence on the kinetics of the gelation process. An activation energy of (91 ± 9) kJmol -1 was obtained from Arrhenius plots.  |l eng 
593 |a Departamento de Química, Facultad de Ingeniería, Universidad de Buenos Aires, Paseo Colón 850, 1043 Buenos Aires, Argentina 
593 |a INQUIMAE, Depto. Quim. Inorg. Analitica y Q., Ciudad Universitaria Pab II, 1428 Buenos Aires, Argentina 
690 1 0 |a GEL 
690 1 0 |a NANOPARTICLES 
690 1 0 |a REVERSE MICELLES 
690 1 0 |a SOL-GEL 
690 1 0 |a TITANIUM DIOXIDE 
700 1 |a Bilmes, S.A. 
773 0 |d 1996  |g v. 102  |h pp. 51-56  |p Prog Colloid Polym Sci  |x 0340255X  |t Progress in Colloid and Polymer Science 
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856 4 0 |u https://hdl.handle.net/20.500.12110/paper_0340255X_v102_n_p51_Ginzberg  |y Handle 
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962 |a info:eu-repo/semantics/article  |a info:ar-repo/semantics/artículo  |b info:eu-repo/semantics/publishedVersion 
999 |c 64384 

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