Luminescent Gold(I) and Silver(I) Complexes of 2-(Diphenylphosphino)-1-methylimidazole (dpim):  Characterization of a Three-Coordinate Au(I)−Ag(I) Dimer with a Short Metal−Metal Separation

2003 ◽  
Vol 42 (25) ◽  
pp. 8430-8438 ◽  
Author(s):  
Vincent J. Catalano ◽  
Stephen J. Horner
Keyword(s):  
Metal Separation ◽  
Metal Metal

Preparation and Characterization of Several Conducting Transition Metal Oxides

1989 ◽  
Vol 156 ◽  
Author(s):  
Aaron Wold ◽  
Kirby Dwight
Keyword(s):  
Transition Metal ◽  
Single Crystal ◽  
Metal Oxides ◽  
Transition Metal Oxides ◽  
Structure Property ◽  
Metallic Behavior ◽  
Structure Property Relationships ◽  
Conduction Bands ◽  
Metal Metal

ABSTRACTThe structure-property relationships of several conducting transition metal oxides, as well as their preparative methods, are presented in this paper. The importance of preparing homogeneous phases with precisely known stoichiometry is emphasized. A comparison is also made of the various techniques used to prepare both polycrystalline and single crystal samples. For transition metal oxides, the metallic properties are discussed either in terms of metal-metal distances which are short enough to result in metallic behavior, or in terms of the formation of a П* conduction band resulting from covalent metal-oxygen interactions. Metallic behavior is observed when the conduction bands are populated with either electrons or holes. The concentration of these carriers can be affected by either cation or anion substitutions. The discussion in this presentation will be limited to the elements Re, Ti, V, Cr, Mo, and Cu.

scholarly journals Growth and characterization of CNT–TiO2 heterostructures

2014 ◽  
Vol 5 ◽  
pp. 946-955 ◽  
Author(s):  
Yucheng Zhang ◽  
Ivo Utke ◽  
Johann Michler ◽  
Gabriele Ilari ◽  
Marta D Rossell ◽  
...  
Keyword(s):  
Good Control ◽  
Atomic Layer ◽  
Oxide Material ◽  
Electronic Information ◽  
Transmission Electron ◽  
Layer Deposition ◽  
Metal Metal ◽  
Scanning Transmission ◽  
Electron Energy Loss

A thriving field in nanotechnology is to develop synergetic functions of nanomaterials by taking full advantages of unique properties of each component. In this context, combining TiO2 nanocrystals and carbon nanotubes (CNTs) offers enhanced photosensitivity and improved photocatalytic efficiency, which is key to achieving sustainable energy and preventing environmental pollution. Hence, it has aroused a tremendous research interest. This report surveys recent research on the topic of synthesis and characterization of the CNT–TiO2 interface. In particular, atomic layer deposition (ALD) offers a good control of the size, crystallinity and morphology of TiO2 on CNTs. Analytical transmission electron microscopy (TEM) techniques such as electron energy loss spectroscopy (EELS) in scanning transmission mode provides structural, chemical and electronic information with an unprecedented spatial resolution and increasingly superior energy resolution, and hence is a necessary tool to characterize the CNT–TiO2 interface, as well as other technologically relevant CNT–metal/metal oxide material systems.

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