Abstract
Titanium dioxide thin films were synthesized by sol–gel route from titanium isopropoxide (TIP) with acetic acid. Prior to the heat treatment, the films were amorphous phase. Above 400 °C, phase transition took place from amorphous into anatase phase. Electrochromic properties of each phase indicated reversible coloration upon Li+ ion intercalation in cyclic voltammetric measurements. Nevertheless, both charge capacity and energy band gap of films begun to decrease with increase in annealing temperature due to the crystallization.
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Acknowledgments
This study is financially supported by Yildiz Technical University projects under a contract of 2012-01-01-DOP02 and 2011-01-01-KAP03. The authors thank to Assoc. Prof. Dr. Nevim SAM for FTIR measurements.
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Özdemir, O., Gökdemir, F.P., Keskin, B., Kutlu, K. (2014). Influence of Heat Treatment on Structure and Charge Capacity of Sol–Gel Produced TiO2 Films. In: Oral, A., Bahsi, Z., Ozer, M. (eds) International Congress on Energy Efficiency and Energy Related Materials (ENEFM2013). Springer Proceedings in Physics, vol 155. Springer, Cham. https://doi.org/10.1007/978-3-319-05521-3_40
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