Microstructural characterization and properties of silica aerogels doped with nano-ITO powder

Benlan Lin, Sheng Cui, Xiaodong Shen, Yingli Leng, Xueyong Liu, Yu Liu

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

Silica-based aerogels doped with nano-ITO powder were synthesized using sol-gel process followed by supercritical drying. The main factors were studied including dosage of compling agent KH570 and ITO. The result shows that thermal radiation conductivity is 0.02659 W/(m·K) with ITO of 44.44% after 10 g ITO powder is modified with 1 mL KH570. The microstructure and physical characteristic of the SiO2-ITO aerogels were characterized by FTIR, SEM, TG-DSC and BET. Their specific surface was in the range of 513-775m 2/g and their average pore size was mainly 20 nm. Nano-ITO powders are physically embedded by SiO2 aerogels.

Original languageEnglish
Title of host publicationMaterials and Design
Pages662-666
Number of pages5
DOIs
StatePublished - 2011
Event2011 International Conference on Advanced Engineering Materials and Technology, AEMT 2011 - Sanya, China
Duration: 29 Jul 201131 Jul 2011

Publication series

NameAdvanced Materials Research
Volume284-286
ISSN (Print)1022-6680

Conference

Conference2011 International Conference on Advanced Engineering Materials and Technology, AEMT 2011
Country/TerritoryChina
CitySanya
Period29/07/1131/07/11

Keywords

  • ITO powder
  • Scanning electron microscopy
  • Silica-based aerogel
  • Sol-gel synthesis
  • Supercritical drying method

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