Characterization of Aluminum-Doped Zinc Oxide Nanoparticle Suspensions in Ethylene Glycol for Transparent Conducting Coatings
Aluminum-doped zinc oxide nanoparticles were stably suspended in ethylene glycol (EG) without adding any stabilizing reagents. The Fourier transform infrared results showed that EG was chemically absorbed on the particle surface. The mechanism of particle stability of the suspension was proposed and analyzed. The operational pH (O.pH) and the zeta potential were observed to be dependent on the particle concentration. The O.pH increased linearly with the zeta potential as in aqueous suspensions and this relationship was independent of water concentration in EG. These empirical relationships are important in simplifying engineering approaches.
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Document Type: Research Article
Division of Functional Materials and Nanodevices, Ningbo Institute of Material Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
Faculty of Information Science and Engineering, Ningbo University, Ningbo 315211, China
Publication date: March 1, 2011