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Laser-assisted CVD modulates CNT diameter

October 20, 2010 by · Leave a Comment 

Segmented carbon nanotubes show diode-like device behaviour
nanotechweb.org: lab talk

Beating the diameter limit of freestanding nanowires

September 6, 2010 by · Leave a Comment 

Co3O4 nanowires grown with diameters ranging from 0.57 to 3 nm
nanotechweb.org: lab talk

Fabrication of Pt/C Nanofiber Electrode for Fuel Cell Application

May 21, 2010 by · Leave a Comment 

Product Description
Triethylamine catalyst was used to increase the molecular weight of poly(amic acid). In electrospinning, diameter of PAA nanofibers was controlled by molecular weight of poly(amic acid) and concentration of poly(amic acid)/N-N dimethylformamide solution. The diameters of polyimide based carbon nanofibers reached to a minimum value of around 100 nm. The conductivity of the carbon nanofiber papers increased with the decreasing of fiber diameters, while the mechanical strength of polyimide and carbon nanofiber paper was diameter independent. Further more, Pt was successfully impregnated in carbon nanofiber. Reduction accompanied with carbonization in Ar gas at up to 1000 degree C produced small and well-dispersed Pt nanoparticles (3-5 nm). Carbon dioxide treatment exhibited the effective ability of removal of carbonaceous overlayers to promise a potential enhancement Pt catalyst activity. The reduction rate of Pt ion is different at heating rate of 2 and 5 degree C/min. Thus, the heating rate and time at high temperature strongly affected Pt nanoparticle size.

BUY FROM AMAZON–>> Fabrication of Pt/C Nanofiber Electrode for Fuel Cell Application

Focus on Nanomaterials Research

May 1, 2010 by · Leave a Comment 

Product Description
Nanotechnology is a ‘catch-all’ description of activities at the level of atoms and molecules that have applications in the real world. A nanometre is a billionth of a meter, about 1/80,000 of the diameter of a human hair, or 10 times the diameter of a hydrogen atom. Nanotechnology is now used in precision engineering, new materials development, as well as in electronics; electromechanical systems as well as mainstream biomedical applications in areas such as gene therapy, drug delivery and novel drug discovery techniques. This book presents the latest research in this frontier field.

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Encyclopedia of Nanotechnology

May 1, 2010 by · Leave a Comment 

Product Description
Nanotechnology is a ‘catch-all’ description of activities at the level of atoms and molecules that have applications in the real world. A nanometre is a billionth of a meter, about 1/80,000 of the diameter of a human hair, or 10 times the diameter of a hydrogen atom. Nanotechnology is now used in precision engineering, new materials development as well as in electronics; electromechanical systems as well as mainstream biomedical applications in areas such as gene therapy, drug delivery and novel drug discovery techniques. This book presents new and important research advances from around the globe.

BUY FROM AMAZON–>> Encyclopedia of Nanotechnology

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