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Preparation and Characterization of ATO Nano-functional Conductive Materials

Author: MengYan
Tutor: SunShuQing
School: Tianjin University
Course: Physical and chemical
Keywords: Nanomaterials Ultrafine powder ATO Tin dioxide Conductive material Conductive properties
CLC: TB383.1
Type: Master's thesis
Year: 2005
Downloads: 338
Quote: 2
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Abstract


This thesis is a comprehensive introduction to the overview of the development of nanoscale antimony-doped conductive powder ATO , of Conductive Mechanism and common preparation process . ATO ( antimony doped tin oxide ) ultra-fine conductive powder has the advantages of good conductivity , light-colored transparent , antistatic materials research focus , a broad market prospect . In this experiment, SnCl 4 · 5H 2 O and the SbCl 3 as the main raw materials , adopt the chemical coprecipitation got high conductive properties of nanoscale ATO ultrafine powder . The use of hot and heavy - differential thermal ( TG - DTA) , X - ray diffraction ( XRD ) , transmission electron microscopy (TEM) test method to characterize the ATO powder . Preparation process ( such as antimony doping amount , reaction temperature , reaction pH , heat treatment , etc.) of ATO powder particle size and conductive properties , and to explore the impact mechanism to obtain the optimal process parameters . In addition , for nanopowder reunion has been more difficult to overcome the difficulties , but also restricting the production of a problem , the article also discusses ultrasonic dispersion , the impact of the number of washing and feeding methods of powder particle size and resistance has been The optimum parameters . Will also test the performance of similar products in the domestic market compared , the conclusions of this experiment obtained ATO ultrafine powders conductivity better than similar domestic products . ATO ultra-fine powder of particle size less than similar domestic products , the particle size is only about 10nm . ATO reunion of the ultra-fine powder has been greatly improved. The comprehensive the experimental system ATO ultrafine powders performance reached the leading domestic level .

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