title: Laser-assisted growth of t-Te nanotubes and their controlled photo-induced unzipping to ultrathin core-Te/sheath-TeO(2) nanowires.
abstract: One dimensional (1D) nanostructures of semiconducting oxides and elemental chalcogens culminate over the last decade in nanotechnology owing to their unique properties exploitable in several applications sectors. Whereas several synthetic strategies have been established for rational design of 1D materials using solution chemistry and high temperature evaporation methods, much less attention has been given to the laser-assisted growth of hybrid nanostructures. Here, we present a laser-assisted method for the controlled fabrication of Te nanotubes. A series of light-driven phase transition is employed to controllably transform Te nanotubes to core-Te/sheath-TeO(2) and/or even neat TeO(2) nanowires. This solid-state laser-processing of semiconducting materials apart from offering new opportunities for the fast and spatially controlled fabrication of anisotropic nanostructures, provides a means of simultaneous growing and integrating these nanostructures into an optoelectronic or photonic device.
authors: Foundation for Research and Technology Hellas - Institute of Chemical Engineering Sciences (FROTH/ICE-HT), P.O. Box 1414, GR-26504, Rio-Patras, Greece.
authors: Thomas
authors: T
authors: Vasileiadis
authors: Vassileios
authors: V
authors: Dracopoulos
authors: Mary
authors: M
authors: Kollia
authors: Spyros N
authors: SN
authors: Yannopoulos
mesh_terms: D018011:Chalcogens / Q000737:chemistry; D007834:Lasers; D053844:Lasers, Solid-State; D008027:Light; D053768:Metal Nanoparticles / Q000737:chemistry*; D036103:Nanotechnology / Q000379:methods*; D043942:Nanotubes / Q000737:chemistry*; D053770:Nanowires / Q000737:chemistry; D010087:Oxides / Q000737:chemistry; D012666:Semiconductors; D013691:Tellurium / Q000737:chemistry*
chemical_list: D018011:Chalcogens; D010087:Oxides; C016774:tellurium dioxide; D013691:Tellurium
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