基于具有超大湿度响应性的 2D 纳米片的无接触式光学手指运动跟踪。
Touchless Optical Finger Motion Tracking Based on 2D Nanosheets with Giant Moisture Responsiveness.
机构信息
Max Planck Institute for Solid State Research, Heisenbergstrasse 1, 70569, Stuttgart, Germany.
Department of Chemistry, Ludwig-Maximilians-Universität (LMU), Butenandtstrasse 5-13, 81377, Munich, Germany.
出版信息
Adv Mater. 2015 Nov 4;27(41):6341-8. doi: 10.1002/adma.201503463. Epub 2015 Sep 22.
A new optical touchless positioning interface based on ultrasensitive humidity responsive 1D photonic crystals utilizing the giant moisture dependent swelling capacity of 2D phosphatoantimonate nanosheets is presented. The spatially confined, full spectral color change combined with reversible transparency switching induced by the humidity sheath of a human finger allows for real time, true color lateral finger motion tracking under touchless conditions.
提出了一种基于超灵敏湿度响应一维光子晶体的新型无触摸光学定位接口，该晶体利用二维膦锑酸盐纳米片的巨大湿度依赖溶胀能力。由于人体手指的湿度鞘引起的空间受限、全光谱颜色变化以及可逆透明性切换，可在无触摸条件下实现实时、真彩色横向手指运动跟踪。
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