Room-Temperature Synthesis of Air-Stable Near-Infrared Emission in FAPbI3 Nanoparticles Embedded in Silica

被引：5

作者：

Chen, Lung-Chien ^{[1
]}

Chao, Li-Wei ^{[1
]}

Xu, Chen-Yu ^{[2
]}

Hsu, Chih-Hung ^{[3
]}

Lee, Yi-Ting ^{[4
]}

Xu, Zi-Min ^{[1
]}

Lin, Chun-Cheng ^{[5
]}

Tseng, Zong-Liang ^{[2
]}

机构：

[1] Natl Taipei Univ Technol, Dept Electroopt Engn, Taipei 106344, Taiwan

[2] Ming Chi Univ Technol, Dept Elect Engn, New Taipei 24301, Taiwan

[3] Giant Tek Corp, Chunan Township, Miaoli County, Taiwan

[4] Kyushu Univ, Ctr Organ Photon & Elect Res OPERA, 744 Motooka, Fukuoka 8190395, Japan

[5] ROC Air Force Acad, Gen Educ, Dept Math & Phys Sci, Kaohsiung 82047, Taiwan

来源：

BIOSENSORS-BASEL | 2021年 / 11卷 / 11期

关键词：

perovskite; nanocrystals; APTES; CH(NH2)(2)PbI3; FAPbI(3); NIR; CESIUM LEAD HALIDE; PEROVSKITE NANOCRYSTALS; PHASE; STABILIZATION; TRIHALIDE; EFFICIENT; BRIGHT; BAND;

D O I：

10.3390/bios11110440

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

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(NH2)(2)PbI3 (FAPbI(3)) PNPs in silica protective layer at room temperature (approximately 26 & DEG;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 & DEG;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.

引用

页数：9

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