Department of Electro-Optical Engineering, National Taipei University of Technology, Taipei 106344, Taiwan.
Department of Electronic Engineering, Ming Chi University of Technology, New Taipei City 24301, Taiwan.
Biosensors (Basel). 2021 Nov 4;11(11):440. doi: 10.3390/bios11110440.
Hybrid organic-inorganic and all-inorganic metal halide perovskite nanoparticles (PNPs) have shown their excellent characteristics for optoelectronic applications. We report an atmospheric process to embed formamidinium CH(NH)PbI (FAPbI) PNPs in silica protective layer at room temperature (approximately 26 °C) employing (3-aminopropyl) triethoxysilane (APTES). The resulting perovskite nanocomposite (PNCs) achieved a high photoluminescence (PL) quantum yield of 58.0% and good stability under atmospheric moisture conditions. Moreover, the PNCs showed high PL intensity over 1 month of storage (approximately 26 °C) and more than 380 min of PNCs solutions in DI water. The studied near-infrared (NIR) light-emitting diode (LED) combined a NIR-emitting PNCs coating and a blue InGaN-based chip that exhibited a 788 nm electroluminescence spectrum of NIR-LEDs under 2.6 V. This may be a powerful tool to track of muscle and disabled patients in the detection of a blood vessel.
杂化有机-无机和全无机金属卤化物钙钛矿纳米颗粒（PNP）在光电应用方面表现出了优异的特性。我们报告了一种在室温（约 26°C）下利用（3-氨丙基）三乙氧基硅烷（APTES）将甲脒碘化铅（FAPbI）PNP 嵌入二氧化硅保护层中的大气处理方法。所得的钙钛矿纳米复合材料（PNC）实现了高达 58.0%的高光致发光（PL）量子产率和在大气湿度条件下的良好稳定性。此外，PNC 在大约 1 个月的储存（约 26°C）和超过 380 分钟的 PNC 溶液在去离子水中表现出高 PL 强度。所研究的近红外（NIR）发光二极管（LED）结合了近红外发射 PNC 涂层和蓝色 InGaN 基芯片，在 2.6 V 下显示出 NIR-LED 的 788nm 电致发光光谱。这可能是一种强大的工具，用于跟踪肌肉和残疾患者在血管检测。
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