Nanoscale Materials: Metal Nanowires
Silicon, the most important semiconductor material, plays an important role in the field of the nanomaterials such as the one that plays in the area of microelectronics materials. Silicon-based photo-electric integration is one of the highlights of modern science research. Crystal silicon is an indirect band material, and its light emission efficiency at room temperature is very low. Recently, one-dimensional silicon nanomaterials had been prepared successfully by many methods, stimulating intensive interest. Silicon nanowires are particularly interesting because they are expected to exhibit unusual confinement effects on electrical and optical properties due to its low dimension and high surface-to-volume ratio and fulfill the technology requirements for integration.
The study of silver nanomaterials has a great importance because the properties they present allow its applications in optics, electric and biological areas. Recently, one-dimensional (1D) silver nanostructures, such as nanowires and nanobelts, have been received considerable attention because the “surface enhanced Raman” property which enhances of their potential applications in nano-electronic and biological devices. In addition, exploration of the formation mechanism of nanostructures for further understanding the detailed chemical and physical properties of these nanomaterials is also an important issue of materials research in nanometer regime.
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