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A Template-Free Solution Route for the Synthesis of Well-Formed One-Dimensional Zn2Ge04 Nanocrystais and Its Photocatalytic Behavior.
- Source :
-
Inorganic Chemistry . 6/17/2013, Vol. 52 Issue 12, p6916-6922. 7p. - Publication Year :
- 2013
-
Abstract
- Well-defined Zn2Ge04 hexagonal nanorods and nanofibers with high aspect ratios have been readily realized in high yield via a simple and general hydrothermal synthesis method free of any surfactant or template. Field-emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), energy-dispersive X-ray spectrometry (EDX), powder X-ray diffraction (XRD), and ultraviolet-visible light diffuse reflectance spectroscopy (UV--vis DRS) revealed a unique hexagonal-prism-shaped one-dimensional (1-D) structure, surface features, anisotropic crystal growth, and crystal phase of Zn2Ge04. Detailed investigations indicated that the prismatic Zn2Ge04 nanocrystais are uniform single crystal with the longitudinal direction along the [001 ] and were dominated by (HO) and (TTO) surfaces. The addition of increasing amounts of NaOH was found to facilitate the morphology transition from a hexagonal nanorod shape to a hexagonal fiber shape. As an important wide-band-gap photocatalyst, the products of regular Zn2Ge04 nanocrystais with a hexagonal 1-D structure exhibit superior photocatalytic activities for the photocatalytic decomposition of water--methanol solution to hydrogen under UV irradiation. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00201669
- Volume :
- 52
- Issue :
- 12
- Database :
- Academic Search Index
- Journal :
- Inorganic Chemistry
- Publication Type :
- Academic Journal
- Accession number :
- 89413644
- Full Text :
- https://doi.org/10.1021/ic302698z