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Volume 14
Issue 4
10.3390/ma14041024
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Article

Transparent TiO2/Cu/TiO2 Multilayer for Electrothermal Application

by
Jingjing Peng
*,
Changshan Hao
,
Hongyan Liu
and
Yue Yan
Beijing Engineering Research Center of Advanced Structural Transparencies for the Modern Traffic System, Beijing Institute of Aeronautical Materials, Beijing 100095, China
*
Author to whom correspondence should be addressed.
Materials 2021, 14(4), 1024; https://doi.org/10.3390/ma14041024
Submission received: 18 January 2021 / Revised: 7 February 2021 / Accepted: 14 February 2021 / Published: 22 February 2021
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Abstract

Highly transparent indium-free multilayers of TiO2/Cu/TiO2 were obtained by means of annealing. The effects of Cu thickness and annealing temperature on the electrical and optical properties were investigated. The critical thickness of Cu mid-layer with optimal electrical and optical properties was 10 nm, with the figure of merit reaching as high as 5 × 10−3 Ω−1. Partial crystallization of the TiO2 layer enhanced the electrical and optical properties upon annealing. Electrothermal experiments showed that temperatures of more than 100 °C can be reached at a heating rate of 2 °C/s without any damage to the multilayers. The experimental results indicate that reliable transparent TiO2/Cu/TiO2 multilayers can be used for electrothermal application.
Keywords: transparent conductive oxides; optical property; electrical property; annealing; electrothermal heating transparent conductive oxides; optical property; electrical property; annealing; electrothermal heating

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MDPI and ACS Style

Peng, J.; Hao, C.; Liu, H.; Yan, Y. Transparent TiO2/Cu/TiO2 Multilayer for Electrothermal Application. Materials 2021, 14, 1024. https://doi.org/10.3390/ma14041024

AMA Style

Peng J, Hao C, Liu H, Yan Y. Transparent TiO2/Cu/TiO2 Multilayer for Electrothermal Application. Materials. 2021; 14(4):1024. https://doi.org/10.3390/ma14041024

Chicago/Turabian Style

Peng, Jingjing, Changshan Hao, Hongyan Liu, and Yue Yan. 2021. "Transparent TiO2/Cu/TiO2 Multilayer for Electrothermal Application" Materials 14, no. 4: 1024. https://doi.org/10.3390/ma14041024

APA Style

Peng, J., Hao, C., Liu, H., & Yan, Y. (2021). Transparent TiO2/Cu/TiO2 Multilayer for Electrothermal Application. Materials, 14(4), 1024. https://doi.org/10.3390/ma14041024

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