NDLI: A general procedure to synthesize highly crystalline metal oxide and mixed oxide nanocrystals in aqueous medium and photocatalytic activity of metal/oxide nanohybrids

Content Provider	Royal Society of Chemistry (RSC)
Author	Nguyen, Thanh-Dinh Do, Trong-On Dinh, Cao-Thang
Copyright Year	2011
Abstract	A conventional and general route has been exploited to the high yield synthesis of many kinds of highly crystalline metal oxide and mixed oxide nanocrystals with different morphologies including belt, rod, truncated-octahedron, cubic, sphere, sheet via the hydrothermal reaction of inorganic precursors in aqueous solution in the presence of bifunctional 6-aminohexanoic acid (AHA) molecules as a capping agent. This method is a simple, reproducible and general route for the preparation of a variety of high-crystalline inorganic nanocrystals in scale-up. The shape of inorganic nanocrystals such as CoWO4, La2(MoO4)3 can be controlled by simply adjusting the synthesis conditions including pH solution and reaction temperature. Further, by tuning precursor monomer concentration, the mesocrystal hierarchical aggregated microspheres (e.g., MnWO4, La2(MoO4)3) can be achieved, due to the spontaneous assembly of individual AHA-capped nanoparticles. These obtained AHA-capped nanocrystals are excellent supports for the synthesis of a variety of hybrid metal/oxide nanocrystals in which noble metal particles are uniformly deposited on the surface of each individual nanosupport. The photocatalytic activity of Ag/TiO2 nanobelts as a typical hybrid photocatalyst sample for Methylene Blue degradation was also studied.
Starting Page	1861
Ending Page	1873
Page Count	13
File Format	HTM / HTML PDF
ISSN	20403364
Volume Number	3
Issue Number	4
Journal	Nanoscale
DOI	10.1039/c1nr10109a
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Hydrothermal synthesis Carboxylic acid Photocatalysis PH Noble metal Monomer Methylene blue
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology

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