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Sol-Gel Derived SnO2 Nanometric Fibers

Published online by Cambridge University Press:  01 February 2011

Kristjan Saal ,
Tanel Tätte ,
Madis Paalo ,
Rasmus Talviste ,
Sergei Vlassov  and
Ilmar Kink
Kristjan Saal
Affiliation:
saal@fi.tartu.ee, Institute of Physics University of Tartu and Estonian Nanotechnology Competence Center, Laboratory of Low Temperatures, 142 Riia St, Tartu, 51014, Estonia, +372 737 4723, +372 738 3033
Tanel Tätte
Affiliation:
tanelt@fi.tartu.ee, Institute of Physics University of Tartu and Estonian Nanotechnology Competence Center, Laboratory of Low Temperatures, 142 Riia St, Tartu, 51014, Estonia
Madis Paalo
Affiliation:
madis533@hotmail.com, Institute of Physics University of Tartu and Estonian Nanotechnology Competence Center, Laboratory of Low Temperatures, 142 Riia St, Tartu, 51014, Estonia
Rasmus Talviste
Affiliation:
rass.talviste@gmail.com, Institute of Physics University of Tartu and Estonian Nanotechnology Competence Center, Laboratory of Low Temperatures, 142 Riia St, Tartu, 51014, Estonia
Sergei Vlassov
Affiliation:
vlassovs@ut.ee, Institute of Physics University of Tartu and Estonian Nanotechnology Competence Center, Laboratory of Low Temperatures, 142 Riia St, Tartu, 51014, Estonia
Ilmar Kink
Affiliation:
ilmar@fi.tartu.ee, Institute of Physics University of Tartu and Estonian Nanotechnology Competence Center, Laboratory of Low Temperatures, 142 Riia St, Tartu, 51014, Estonia
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Abstract

The applicability of Sn(OBu)4 based viscous oligomeric concentrates in fabrication of thin oxide fibers and needles is demonstrated. Influence of several crucial parameters like viscosity of the concentrate, humidity of surrounding atmosphere and pulling speed on formation of the structures is discussed. We show that the method enables to obtain fibers less than a micron in diameter and needles with tip radii down to 15 nm, i.e. in range that is of considerable interest for many nanotechnological applications.

Keywords

sol-gelfibertransparent conductor
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1017 , 2007 , 1017-DD12-30
Copyright
Copyright © Materials Research Society 2007

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