基于蓝色微发光二极管激活的 SnO2 纳米粒子的实时可调气体传感平台。

IF 26.6 1区 材料科学 Q1 Engineering Nano-Micro Letters Pub Date : 2024-08-08 DOI:10.1007/s40820-024-01486-2
Gi Baek Nam, Jung-El Ryu, Tae Hoon Eom, Seung Ju Kim, Jun Min Suh, Seungmin Lee, Sungkyun Choi, Cheon Woo Moon, Seon Ju Park, Soo Min Lee, Byungsoo Kim, Sung Hyuk Park, Jin Wook Yang, Sangjin Min, Sohyeon Park, Sung Hwan Cho, Hyuk Jin Kim, Sang Eon Jun, Tae Hyung Lee, Yeong Jae Kim, Jae Young Kim, Young Joon Hong, Jong-In Shim, Hyung-Gi Byun, Yongjo Park, Inkyu Park, Sang-Wan Ryu, Ho Won Jang
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引用次数: 0

摘要

微型发光二极管(μLED)具有室温操作和低功耗等优点,因此作为气体传感器的激活源受到广泛关注。然而,尽管具有这些优点,但仍存在一些挑战,例如可检测气体的范围有限和响应速度较慢。在本研究中,我们提出了一种基于二氧化锡纳米粒子(NPs)的蓝色 μLED 集成光激活气体传感器阵列,该阵列具有出色的灵敏度、可调选择性和快速检测能力,功耗仅为微瓦级。有限差分时域仿真证明,μLED 的最佳功率出现在最高气体响应时。此外,我们还首次报道了利用贵金属装饰的二氧化锡 NPs 进行可见光激活的还原性气体选择性检测。贵金属会与还原性气体发生催化反应,从而明确区分出 NH3、H2 和 C2H5OH。基于完全硬件实施的光激活传感阵列的实时气体监测得到了验证,为光激活电子鼻技术的发展开辟了新的途径。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Real-Time Tunable Gas Sensing Platform Based on SnO2 Nanoparticles Activated by Blue Micro-Light-Emitting Diodes

Highlights

  • Blue micro-light-emitting diodes (μLED)-integrated gas sensors were fabricated as monolithic structure by directly loading sensing materials onto the μLED.

  • SnO2 nanoparticles are activated by blue μLED and exhibit outstanding sensitivity to NO2 at μ-Watt power levels.

  • Noble metal (Au, Pd, Pt)-decorated SnO2 showed the tunable gas selectivity for 4 target gases under blue light illumination.

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来源期刊
Nano-Micro Letters
Nano-Micro Letters NANOSCIENCE & NANOTECHNOLOGY-MATERIALS SCIENCE, MULTIDISCIPLINARY
CiteScore
32.60
自引率
4.90%
发文量
981
审稿时长
1.1 months
期刊介绍: Nano-Micro Letters is a peer-reviewed, international, interdisciplinary, and open-access journal published under the SpringerOpen brand. Nano-Micro Letters focuses on the science, experiments, engineering, technologies, and applications of nano- or microscale structures and systems in various fields such as physics, chemistry, biology, material science, and pharmacy.It also explores the expanding interfaces between these fields. Nano-Micro Letters particularly emphasizes the bottom-up approach in the length scale from nano to micro. This approach is crucial for achieving industrial applications in nanotechnology, as it involves the assembly, modification, and control of nanostructures on a microscale.
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