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Eco-friendly plasticized poly(vinyl chloride)-acetyl tributyl citrate gels for varifocal lens

机译：环保的可变焦镜头的增塑聚氯乙烯-乙酰基柠檬酸三丁酯凝胶

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摘要

We fabricated an eco-friendly, electroactive, reconfigurable, and varifocal PVC-ATBC (ePVC) gel lens. The ePVC gel lens, composed of PVC and environmentally-benign ATBC plasticizer, was reconfigured in response to applied voltage. The proposed ePVC gel lens, whose shape is hemispherical plano-convex, changes its curvature according to various input voltages, and the variation of its focal length was consequently observed. In addition, after removal of the electric field, the proposed electroactive and eco-plasticized ePVC gel lens showed rapid restoration to its initial configuration. Therefore, the focal length of the proposed ePVC gel lens could be considerably changed in real-time under an applied electric field. This is attributed to the electric-field-induced deformation of the eco-friendly plasticized non-ionic ePVC gel lens towards the anode under applied voltages, which changes the meniscus of the ePVC gel lens within a concentric annular anode electrode. As a result, the focal length of the ePVC gel lens in our system increased from 5 mm up to 15 mm with increasing applied voltages from 0 V to 500 V.
机译：我们制造了一种环保，电活性，可重构和变焦的PVC-ATBC（ePVC）凝胶透镜。由PVC和环保的ATBC增塑剂组成的ePVC凝胶透镜根据施加的电压进行了重新配置。提出的形状为半球形平凸的ePVC凝胶透镜会根据各种输入电压来改变其曲率，从而观察到其焦距的变化。此外，在去除电场后，拟议的电活性和生态增塑的ePVC凝胶透镜可快速恢复其初始结构。因此，所提出的ePVC凝胶透镜的焦距可以在施加电场的情况下实时地大大改变。这归因于在施加电压下，电场友好型增塑非离子ePVC凝胶透镜向阳极的电场诱导变形，这会改变同心环形阳极电极内ePVC凝胶透镜的弯月面。结果，随着施加电压从0 V增加到500 V，我们系统中的ePVC凝胶透镜的焦距从5 mm增加到15 mm。

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