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Published on: June 23, 2017
A Combined Experimental and Theoretical Study of Screen-printing High Transparent Conductive Mesoscopic ITO Films
Feiyang Qiao1, Lei Lu1, Pingcheng Han1
1Department of Physics, School of Physical and Mathematical Sciences, Nanjing Tech University, NO.30 Puzhu Road, Nanjing, 211816, Jiangsu, China.
Abstract:
We have successfully fabricated transparent conductive mesoporous indium tin oxide (TCM-ITO) films by a screen-printing method. The TCM-ITO films possess approximately 22 nm mesopores and obtain electrical conductivity up to 14.96 S/cm by adjusting the mass ratio of cubic-shaped ITO nanoparticles to ethyl cellulose (EC) and precisely controlling the annealing process. The regulation mechanism of EC and the heat-induced recrystallization process of ITO nanoparticles are elaborated. The internal kinetic processes of the films based on different surface states are analysed, and an extensible impedance model is established.
