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Stable High-Performance Flexible Photodetector Based on Upconversion Nanoparticles/Perovskite Microarrays Composite
Li, Jianbo1,2,3; Shen, Yingli1,2,3; Liu, Yucheng1,2,3; Shi, Feng1,2,3; Ren, Xiaodong1,2,3; Niu, Tianqi1,2,3; Zhao, Kui1,2,3; Liu, Shengzhong Frank1,2,3,4,5
关键词Photodetector Perovskite Upconversion Nanoparticles Broadband Photoresponse Long-term Stability
刊名ACS APPLIED MATERIALS & INTERFACES
2017-06-07
DOI10.1021/acsami.7b03229
9页:19176-19183
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Technology
类目[WOS]Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
研究领域[WOS]Science & Technology - Other Topics ; Materials Science
关键词[WOS]PEROVSKITE SINGLE-CRYSTALS ; ORGANOMETAL HALIDE PEROVSKITE ; LIGHT-EMITTING-DIODES ; SOLAR-CELLS ; HIGH-DETECTIVITY ; IMAGE SENSORS ; EFFICIENCY ; GROWTH ; NANOCRYSTALS ; DEPOSITION
英文摘要Methylammonium lead halide perovskite has emerged as a new class of low-temperature-processed high-performance semiconductors for optoelectronics, but with photoresponse limited to the UVvisible region and low environmental stability. Herein, we report a flexible planar photodetector based on MAPbI(3) microarrays integrated with NaYF4:Yb/Er upconversion nanoparticles (UCns) that offers promise for future high performance and long-term environmental stability. The promise derives from the confluence of several factors, including significantly enhanced photons absorption in the visible spectrum, efficient energy transition in the near-infrared (NIR) region, and inhibition of water attack by the hydrophobic UCns capping layer. The UCns layer aided in remarkably enhanced photodetection capability in the visible spectrum with detectivity (D*) reaching 5.9 x 10(12) Jones, among the highest reported values, due to the increased photocarrier lifetime and decreased reflectivity. Excellent NIR photoresponse with spectral responsivity (R) and D* as high as 0.27 A W-1 and 0.76 x 10(12) Jones were obtained at 980 nm, respectively, superior to the reported values of state-of-the-art organic-perovskite NIR photodetectors. Moreover, the hydrophobic UCns capping layer serving as a moisture inhibitor allowed significantly enhanced long-term environmental stability, e.g., 70% vs 27% performance retained after 1000 h exposure in 30-40% RH humidity air without encapsulation for the bilayer and the neat MAPbI(3) devices, respectively. These results suggest that the composite based on perovskite and UCns is promising for constructing high-performance broadband optoelectronic devices with long-term stability.
语种英语
WOS记录号WOS:000403136400086
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/152209
专题中国科学院大连化学物理研究所
作者单位1.Shaanxi Normal Univ, Natl Minist Educ, Key Lab Appl Surface & Colloid Chem, Xian 710119, Peoples R China
2.Shaanxi Normal Univ, Shaanxi Key Lab Adv Energy Devices, Xian 710119, Peoples R China
3.Shaanxi Normal Univ, Sch Mat Sci & Engn, Shaanxi Engn Lab Adv Energy Technol, Xian 710119, Peoples R China
4.Chinese Acad Sci, Dalian Natl Lab Clean Energy, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
5.Chinese Acad Sci, iChEM, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
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Li, Jianbo,Shen, Yingli,Liu, Yucheng,et al. Stable High-Performance Flexible Photodetector Based on Upconversion Nanoparticles/Perovskite Microarrays Composite[J]. ACS APPLIED MATERIALS & INTERFACES,2017,9:19176-19183.
APA Li, Jianbo.,Shen, Yingli.,Liu, Yucheng.,Shi, Feng.,Ren, Xiaodong.,...&Liu, Shengzhong Frank.(2017).Stable High-Performance Flexible Photodetector Based on Upconversion Nanoparticles/Perovskite Microarrays Composite.ACS APPLIED MATERIALS & INTERFACES,9,19176-19183.
MLA Li, Jianbo,et al."Stable High-Performance Flexible Photodetector Based on Upconversion Nanoparticles/Perovskite Microarrays Composite".ACS APPLIED MATERIALS & INTERFACES 9(2017):19176-19183.
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