Abstract: In the recent past there have been dramatic developments in the field of nanotechnology. These are in various fields like nanomaterials, nanoelectronics, nanomedicines etc.
History of nanomaterials is goes back to the early 20th century with the production of carbon black and fumed silica in the 1940s. However, it has only been with the development of high-speed computing, and hence modeling; advanced characterization techniques, such as atomic force microscopy and scanning tunneling microscopy; and synthesis routes, such as sol-gel processing, that it has been possible to design nanomaterials. Now exciting thing about nanomaterials is the availability in large variety that was not there earlier with unique properties and wide range of applications.
The potential applications for nanoparticles are growing and cover an extremely broad range of markets. Analysts have estimated that the size of the market will be $900 million in 2005 and $11 billion in 20101. Despite the attention that has been focused on this field, it is widely understood that many of the trends in nanotechnology, such as molecular computers and nanomachines, will not lead to commercial products for several years but nanomaterials and nanomedicines are the areas where maximum development has taken place and shown the maximum promise. |
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