Preparation and characterization of Ni nanoparticles in an MCM mesoporous material
Journal Article
·
· Materials Research Bulletin
An aluminosilicate with the MCM-41 structure (AlMCM-41) was used as a host for the synthesis of nickel metal nanoparticles. Initially, ion exchange in aqueous solutions allows the introduction of nickel cations into AlMCM-41, and then reduction with sodium borohydride produces nanometer-sized nickel metal particles. Products (Ni-AlMCM-41) were characterized by elemental analysis, transmission electron microscopy (TEM), X-ray powder diffraction (XRD), and magnetic susceptibility. Ni-AlMCM-41 was found to have a Ni:Al:Si ratio of ca. 1:4:28. The nickel metal particles were 1--2 nm in diameter and showed superparamagnetic behavior with a blocking temperature (T{sub b}) of 5 K.
- Research Organization:
- Kangnung National Univ. (KR)
- OSTI ID:
- 20006456
- Journal Information:
- Materials Research Bulletin, Vol. 34, Issue 9; Other Information: PBD: 1 Jul 1999; ISSN 0025-5408
- Country of Publication:
- United States
- Language:
- English
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