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Dalapati GK, Masudy-Panah S, Chua ST, et al. Color tunable low cost transparent heat reflector using copper and titanium oxide for energy saving application. Sci Rep. 2016;6:20182doi: 10.1038/srep20182.
Dalapati, G. K., Masudy-Panah, S., Chua, S. T., Sharma, M., Wong, T. I., Tan, H. R., & Chi, D. (2016). Color tunable low cost transparent heat reflector using copper and titanium oxide for energy saving application. Scientific reports, 620182. https://doi.org/10.1038/srep20182
Dalapati, Goutam Kumar, et al. "Color tunable low cost transparent heat reflector using copper and titanium oxide for energy saving application." Scientific reports vol. 6 (2016): 20182. doi: https://doi.org/10.1038/srep20182
Dalapati GK, Masudy-Panah S, Chua ST, Sharma M, Wong TI, Tan HR, Chi D. Color tunable low cost transparent heat reflector using copper and titanium oxide for energy saving application. Sci Rep. 2016 Feb 05;6:20182. doi: 10.1038/srep20182. PMID: 26846687; PMCID: PMC4742888.
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Sci Rep. 2016 Feb 05;6:20182. doi: 10.1038/srep20182.

Color tunable low cost transparent heat reflector using copper and titanium oxide for energy saving application.

Scientific reports

Goutam Kumar Dalapati, Saeid Masudy-Panah, Sing Teng Chua, Mohit Sharma, Ten It Wong, Hui Ru Tan, Dongzhi Chi

Affiliations

  1. Institute of Materials Research and Engineering, A*STAR (Agency for Science, Technology and Research), 2 Fusionopolis Way; Innovis, #08-03, 138634 Singapore.

PMID: 26846687 PMCID: PMC4742888 DOI: 10.1038/srep20182

Abstract

Multilayer coating structure comprising a copper (Cu) layer sandwiched between titanium dioxide (TiO2) were demonstrated as a transparent heat reflecting (THR) coating on glass for energy-saving window application. The main highlight is the utilization of Cu, a low-cost material, in-lieu of silver which is widely used in current commercial heat reflecting coating on glass. Color tunable transparent heat reflecting coating was realized through the design of multilayer structure and process optimization. The impact of thermal treatment on the overall performance of sputter deposited TiO2/Cu/TiO2 multilayer thin film on glass substrate is investigated in detail. Significant enhancement of transmittance in the visible range and reflectance in the infra-red (IR) region has been observed after thermal treatment of TiO2/Cu/TiO2 multilayer thin film at 500 °C due to the improvement of crystal quality of TiO2. Highest visible transmittance of 90% and IR reflectance of 85% at a wavelength of 1200 nm are demonstrated for the TiO2/Cu/TiO2 multilayer thin film after annealing at 500 °C. Performance of TiO2/Cu/TiO2 heat reflector coating decreases after thermal treatment at 600 °C. The wear performance of the TiO2/Cu/TiO2 multilayer structure has been evaluated through scratch hardness test. The present work shows promising characteristics of Cu-based THR coating for energy-saving building industry.

References

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