| Autor: |
Lee, Sang Yeop, Lim, Hangyu, Bae, Jung Ho, Chae, Dongwoo, Paik, Taejong, Lee, Heon, Oh, Soong Ju |
| Zdroj: |
Nanoscale Horizons; 2022, Vol. 7 Issue: 9 p1087-1094, 8p |
| Abstrakt: |
This paper presents a self-classifying smart device that intelligently differentiates and operates three functions: electroluminescence display, ultraviolet light sensor, and thermal management viaradiative cooling. The optical and electrical properties of the materials and structures are designed to achieve a spectrum-selective response, which enables the integration of the aforementioned functions into one device without any noise or interference. Spectrum-selective materials that absorb, emit, and radiate light with ultraviolet to mid-infrared wavelengths and device structures designed to prevent interference are achieved by using thin metal films, dielectric layers, and nanocrystals. The designed self-classifying smart device exhibits bright blue light emission upon current supply (display), green light emission upon exposure to UV light (sensor), and radiative cooling (thermal management). Furthermore, a smart device and house system with a display, UV light sensor, and radiative cooling performance was demonstrated. The findings of this study open new avenues for device integration in next-generation wearable device fabrication. |
| Databáze: |
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