Highly Transparent, Deformable, and Multifunctional AgPdCu/ITO/PTFE Hybrid Films for Self‐Cleaning, Flexible, and Energy‐Saving Smart Windows,Advanced Materials Interfaces

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Highly Transparent, Deformable, and Multifunctional AgPdCu/ITO/PTFE Hybrid Films for Self‐Cleaning, Flexible, and Energy‐Saving Smart Windows
Advanced Materials Interfaces ( IF 4.3 ) Pub Date : 2018-09-19 , DOI: 10.1002/admi.201801082
Sang‐Mok Lee ₁ , Jin‐Yeong Park ₂ , Han‐Ki Kim ₂

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Rollable, bendable, twistable, and foldable polymer–oxide–metal multistacked hybrid films are demonstrated, which simultaneously act as multifunctional electrodes in flexible polymer‐dispersed liquid crystal (PDLC) windows and flexible and transparent thin‐film heaters (TFHs) for self‐cleanable and flexible smart windows. By continuous sputtering of a thin polytetrafluoroethylene (PTFE)–indium tin oxide (ITO)–AgPdCu (APC) multilayer on a colorless polyimide substrate, transparent and multifunctional films are fabricated with a low sheet resistance of 7 Ω □⁻¹, high optical transmittance of 83% at a wavelength of 550 nm, low transmittance in the infrared region, and a high contact angle of 109°. Based on inner/outer bending, rolling, twisting, and folding tests, the outstanding flexibility of these PTFE/ITO/APC multistacked films is demonstrated. The flexible PDLC and flexible TFHs with PTFE/ITO/APC multistacked electrodes show a controllable transmittance range between the on and off states that is nearly 40%, and a high saturation temperature of 111 °C is observed at a low applied voltage of 4 V. The multifunctional properties of the flexible PDLC and TFHs fabricated on PTFE/ITO/APC hybrid films indicate that the polymer–oxide–metal hybrid film is a versatile transparent electrode that can be used for flexible, smart, and energy‐saving windows.

中文翻译：

高度透明，可变形且多功能的AgPdCu / ITO / PTFE混合膜，可实现自清洁，灵活和节能的智能窗户

展示了可卷曲，可弯曲，可扭曲和可折叠的聚合物-氧化物-金属多层叠合混合膜，它们同时在柔性聚合物分散液晶（PDLC）窗口和柔性透明薄膜加热器（TFH）中同时充当多功能电极，可清洁且灵活的智能窗户。通过在无色聚酰亚胺基板上连续溅射薄的聚四氟乙烯（PTFE）-铟锡氧化物（ITO）-AgPdCu（APC）多层膜，可制得透明且多功能的薄膜，其薄层电阻为7Ω□ ^-1在550nm的波长下具有83％的高光学透射率，在红外区域中的低透射率和109°的高接触角。基于内部/外部弯曲，滚动，扭曲和折叠测试，这些PTFE / ITO / APC多层膜具有出色的柔韧性。带有PTFE / ITO / APC多层电极的柔性PDLC和柔性TFH在开和关状态之间显示可控制的透射率范围，接近40％，并且在4 V的低施加电压下观察到111°C的高饱和温度。在PTFE / ITO / APC混合膜上制造的柔性PDLC和TFH的多功能特性表明，聚合物-氧化物-金属混合膜是一种通用的透明电极，可用于柔性，智能和节能的窗户。

更新日期：2018-09-19

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