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Stretch tuning of the Debye ring for 2D photonic crystals on a dielectric elastomer membrane
Soft Matter ( IF 2.9 ) Pub Date : 2018-01-02 00:00:00 , DOI: 10.1039/c7sm02322g Tenghao Yin 1, 2, 3, 4, 5 , Danming Zhong 1, 2, 3, 4, 5 , Junjie Liu 1, 2, 3, 4, 5 , Xiangjiang Liu 4, 6, 7, 8 , Honghui Yu 9, 10, 11, 12 , Shaoxing Qu 1, 2, 3, 4, 5
Soft Matter ( IF 2.9 ) Pub Date : 2018-01-02 00:00:00 , DOI: 10.1039/c7sm02322g Tenghao Yin 1, 2, 3, 4, 5 , Danming Zhong 1, 2, 3, 4, 5 , Junjie Liu 1, 2, 3, 4, 5 , Xiangjiang Liu 4, 6, 7, 8 , Honghui Yu 9, 10, 11, 12 , Shaoxing Qu 1, 2, 3, 4, 5
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The tunable diffracted pattern (Debye ring) of the well-ordered close-packed 2D photonic crystal (PC) is achieved via large deformation of the dielectric elastomer (DE) membrane for the first time. Two deformation models are proposed, the in-plane deformation driven by voltage and the out-of-plane deformation actuated by pressure. Both experimental and theoretical analyses are conducted to explore the tunability of the DE stretch on the Debye ring of the 2D PC, by voltage and pressure. An excellent agreement is found between the experimental and analytical results. This study shows that tuning the size of the Debye ring by voltage driven in-plane deformation is easy to operate and space-saving. However, it needs a high voltage and the adjustable range is relatively small. On the other hand, the pneumatic tuning by out-of-plane deformation has a widely adjustable range compared with the electric one and the pressure needed is only hundreds to less than two thousand pascal, which is energy-saving. This work may pave the way for the design of various smart sensors and soft displays with the combination of PCs and DEs.
中文翻译：
在介电弹性体膜上对2D光子晶体的Debye环进行拉伸调整
有序紧密堆积的二维光子晶体（PC）的可调谐衍射图样（德拜环）是通过以下方式实现的介电弹性体（DE）膜首次发生大变形。提出了两种变形模型，一种是电压驱动的面内变形，另一种是压力驱动的面外变形。进行了实验和理论分析，以探讨通过电压和压力在2D PC的Debye环上进行DE拉伸的可调性。在实验结果和分析结果之间找到了一个极好的协议。这项研究表明，通过电压驱动的平面内变形来调整德拜环的尺寸易于操作且节省空间。但是，它需要高电压，并且可调范围相对较小。另一方面，与电动压力相比，通过平面外变形进行的气动调节具有较宽的可调范围，所需压力仅为数百至小于两千帕斯卡，从而节省了能源。这项工作可以为结合PC和DE的各种智能传感器和软显示器的设计铺平道路。
更新日期：2018-01-02
中文翻译：
在介电弹性体膜上对2D光子晶体的Debye环进行拉伸调整
有序紧密堆积的二维光子晶体（PC）的可调谐衍射图样（德拜环）是通过以下方式实现的介电弹性体（DE）膜首次发生大变形。提出了两种变形模型，一种是电压驱动的面内变形，另一种是压力驱动的面外变形。进行了实验和理论分析，以探讨通过电压和压力在2D PC的Debye环上进行DE拉伸的可调性。在实验结果和分析结果之间找到了一个极好的协议。这项研究表明，通过电压驱动的平面内变形来调整德拜环的尺寸易于操作且节省空间。但是，它需要高电压，并且可调范围相对较小。另一方面，与电动压力相比，通过平面外变形进行的气动调节具有较宽的可调范围，所需压力仅为数百至小于两千帕斯卡，从而节省了能源。这项工作可以为结合PC和DE的各种智能传感器和软显示器的设计铺平道路。
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