Mixed Chalcogenides Nanoflakes’ Infrared Cutting Effect: Utilization in Thermal Soothing Electrochromic Goggles

ACS Applied Optical Materials Pub Date : 2024-09-26 DOI:10.1021/acsaom.4c0032510.1021/acsaom.4c00325

Bhumika Sahu, Love Bansal, Nikita Ahlawat, Anjali Ghanghass, Deb Kumar Rath, Subin Kaladi Chondath, Suchita Kandpal, Ravi Bhatia, Ivaturi Sameera* and Rajesh Kumar*,

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Abstract

A highly flexible prototype goggle with heat filtering capabilities has been built and demonstrated to have a heat soothing effect achieved through electrochromic modulation in the near-infrared (NIR) region. A flexible electrochromic device is designed by the doping of a WS₂/WO₃ mixture, in P3HT-EV-based electrochromic active materials, which makes the devices switch in ∼1 s, making it one of the fastest devices in the family. The fully flexible NIR cutting electrochromic device (flex-NIR cutting-ECD) shows high NIR shielding by maintaining a temperature difference of up to 6 °C and cuts more than 15% of the heat when in the ON state. The device shows an optical modulation of up to 60% and a photopic coloration effeciency of 34 cm²/C along with a cyclic staibility of more than 100 toggles. The real world applicability has been demonstrated by making mini-goggles which change color between blue and magenta and cut heat making a way for a heat-calming eye-care gadget with bendable and twistable properties.

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混合钙钛矿纳米片的红外切割效应：在热舒缓电致变色护目镜中的应用

一种具有热过滤功能的高柔性护目镜原型已经制作完成，并通过近红外（NIR）区域的电致变色调制实现了热舒缓效果。通过在基于 P3HT-EV 的电致变色活性材料中掺入 WS2/WO3 混合物，设计出了一种柔性电致变色器件，使器件能在∼1 秒内完成开关，成为该系列中速度最快的器件之一。全柔性近红外切割电致变色器件（flex-NIR cutting-ECD）通过保持高达 6 °C 的温差实现了高近红外屏蔽，在开启状态下可减少 15% 以上的热量。该器件的光学调制率高达 60%，光致变色效率为 34 cm2/C，可循环切换 100 次以上。通过制作可在蓝色和品红色之间变色的迷你护目镜，并通过减少热量来制作具有可弯曲和可扭转特性的热抑制护眼小工具，证明了其在现实世界中的适用性。

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来源期刊

ACS Applied Optical Materials 材料科学-光学材料-

CiteScore

1.10

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0.00%

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期刊介绍： ACS Applied Optical Materials is an international and interdisciplinary forum to publish original experimental and theoretical including simulation and modeling research in optical materials complementing the ACS Applied Materials portfolio. With a focus on innovative applications ACS Applied Optical Materials also complements and expands the scope of existing ACS publications that focus on fundamental aspects of the interaction between light and matter in materials science including ACS Photonics Macromolecules Journal of Physical Chemistry C ACS Nano and Nano Letters.The scope of ACS Applied Optical Materials includes high quality research of an applied nature that integrates knowledge in materials science chemistry physics optical science and engineering.