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首页> 外文期刊>RSC Advances >Polymer-dispersed liquid-crystal-based switchable glazing fabricatedviavacuum glass coupling
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Polymer-dispersed liquid-crystal-based switchable glazing fabricatedviavacuum glass coupling

机译：基于聚合物分散的液晶可切换玻璃制备viavacuum玻璃耦合

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摘要

Polymer-dispersed liquid crystals (PDLCs) exhibiting transmittance switching are utilized for preserving energy and protecting privacy. Here we prepared a typical PDLC mixture from a commercially available polymer and liquid crystal with nano-beads. A wire-bar coater was used to coat the PDLC mixture on indium-tin-oxide-coated glass, and a PDLC cell was assembled by coupling another glass in a vacuum, instead of a polymer film. Uniform glass-based PDLCs were fabricated successfully with an area of 15 x 15 cm(2), while an injection process with capillary action was not available for this large-scale device fabrication. The switching behavior of the cells was characterized by ramping the AC voltage, and a transmittance change of similar to 70% was measured. In a typical roll-to-roll process, only flexible polymer films have been used in lamination, in which deterioration in transparency occurs over the course of time, reducing the efficiency. In this study, to improve the optical properties, PDLC switchable glazing is fabricated directly onto glass substrates instead of onto plastic polymers. This PDLC switchable glazing, exhibiting low haziness and wide-angle vision, can be fabricated at a large scale by a vacuum-coupling process, with potential use as glass windows for energy-efficient buildings.
机译：具有透射切换的聚合物分散的液晶（PDLC）用于保留能量和保护隐私。在这里，我们制备了一种典型的PDLC混合物，从市售的聚合物和含有纳米珠的液晶。使用线条涂布机在氧化铟锡涂覆的氧化铟锡上涂覆PDLC混合物，通过在真空中偶联另一玻璃而不是聚合物膜来组装PDLC电池。成功制造均匀的玻璃基PDLC，面积为15×15cm（2），而具有毛细管作用的注射过程对于该大规模的装置制造不可用。通过斜坡AC电压的表征细胞的切换行为，并且测量了类似于70％的透射率变化。在典型的卷到辊工艺中，仅在层压中仅使用柔性聚合物膜，其中在随着时间的推移过程中发生透明度的劣化，降低了效率。在本研究中，为了改善光学性质，PDLC可切换玻璃窗直接制造在玻璃基板上而不是塑料聚合物。这种PDLC可切换玻璃窗，呈现低艳丽和广角视觉，可以通过真空耦合工艺以大规模制造，潜在用作节能建筑的玻璃窗。

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