Selective growth of aligned carbon nanotubes on a silver-patterned substrate by the silver mirror reaction

Article Abstract:

A new feasible method to fabricate large-scale aligned carbon nanotubes (CNTs) micro/nanopatterns on quartz substrate on the basis of selective growth by combination of microcontact printing and silver mirror reaction is developed. It is proposed that this method with a patterned conducting metal (silver) substrate, will represent a great advantage in controlled fabrication of aligned CNT patterns for some applications of nanotubes that require high-resolution patterns and conducting surfaces.

Chemical reactions, Nanotubes

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High-density, aligned Si[O.sub.2] nanowire arrays: Microscopic imaging of the unique growth style and their ultraviolet light emission properties

Article Abstract:

High-density, free-standing Si[O.sub.2] nanowire arrays are fabricated by a simple chemical vapor deposition method through a controlled pattern of the micrometer-sized alloyed balls on the Si substrate combined with a local balanced and steady-state reaction vapor environment. The stable and strong ultraviolet emission properties of the as-grown products are useful for their potential applications related to nanoscale optoelectronic device including ultraviolet-light-emitting devices.

Nanotechnology, Optical properties, Chemical vapor deposition, Structure, Chemical vapour deposition

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3D carbon nanotube architectures on glass substrate by stamp printing bimetallic Fe-Pt/polymer catalyst

Article Abstract:

A method that is feasible and simple for controlled fabrication of 3D carbon nanotube (CNT) architectures on glass at low temperatures (550-650 degrees Celsius) on a large scale by stamp printing bimetallic Fe-Pt/polymer catalyst onto the substrate is described. It is shown, the control of concentration of the catalysts and the stamp printing substrates allowed the fabrication desired CNTs patterns with controlled 3D architectures.

Primary nonferrous metals, not elsewhere classified, Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum), Platinum, Electric properties, Carbon, Iron compounds

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