A general strategy to achieve see-through devices through the micro-structuring of colored functional materials

Zishou Hu, Xueqing Tang, Yuan-Qiu-Qiang Yi (), Shuhong Nie, Xiaolian Chen, Wenya Xu, Chenchao Huang, Xinju Mu, Zhongsheng Ma, Pengyu Tang, Xinzhou Wu (), Wenming Su () and Christine K. Luscombe ()
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Zishou Hu: University of Science and Technology of China
Xueqing Tang: University of Science and Technology of China
Yuan-Qiu-Qiang Yi: Okinawa Institute of Science and Technology
Shuhong Nie: Chinese Academy of Sciences
Xiaolian Chen: Chinese Academy of Sciences
Wenya Xu: Chinese Academy of Sciences
Chenchao Huang: Chinese Academy of Sciences
Xinju Mu: Ltd
Zhongsheng Ma: Ltd
Pengyu Tang: Ltd
Xinzhou Wu: University of Science and Technology of China
Wenming Su: University of Science and Technology of China
Christine K. Luscombe: Okinawa Institute of Science and Technology

Nature Communications, 2024, vol. 15, issue 1, 1-10

Abstract: Abstract Irrespective of the specific see-through device, obtaining optimal transparency remains the primary goal. In this work, we introduce a general strategy to enhance the transparency of various see-through devices. We achieve this by structuring the colored functional materials into imperceptible three-dimensional mesh lines, addressing a common challenge in multi-layer structures where each layer causes a reduction in transparency due to their color or opacity. To overcome this limitation, we selectively integrate functional materials into micron-wide groove structures transforming functional layers to functional meshes. Regardless of the initial color of the functional material, the resulting functional mesh can exhibit a high transmittance of 88% (vs. air) under any operating state while maintaining its intended function within the device. We apply this strategy to fabricate proof-of-concept of devices such as electrochromic devices, supercapacitors, and zinc batteries, all of which exhibit remarkable overall transparency when compared to the multi-layer device.

Date: 2024
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DOI: 10.1038/s41467-024-55133-w

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