Premium
Attaching Titania Nanoparticles onto Shortened Carbon Nanotubes by Electrostatic Attraction
Author(s) -
Dong Hongying,
Lu Kathy
Publication year - 2009
Publication title -
international journal of applied ceramic technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.4
H-Index - 57
eISSN - 1744-7402
pISSN - 1546-542X
DOI - 10.1111/j.1744-7402.2008.02270.x
Subject(s) - materials science , carbon nanotube , nanoparticle , photocatalysis , microelectronics , nanotechnology , electrode , chemical engineering , catalysis , organic chemistry , engineering , chemistry
Carbon nanotubes (CNTs) can be electronically conducting or semiconducting, and they are lightweight and have high stability. TiO 2 has been studied for applications in optics, microelectronics, and photocatalysis. Hybrid CNTs/TiO 2 shows unique photocatalytic and electrical properties for enhanced performances as solar cell electrode, sensors, and catalysts. This study is focused on shortening multiwalled CNTs (MWCNTs) and attaching TiO 2 nanoparticles onto MWCNTs by electrostatic attraction. A mechanical and chemical hybrid method is used to tailor CNT length. Opposite ζ‐potentials are achieved for CNT and TiO 2 nanoparticle suspensions under the same pH. TiO 2 nanoparticles are attached onto CNTs for surface modification by electrostatic attraction.