高性能CsPbI3 量子点光探测器,其垂直结构基于Frenkel-Poole发射效应
Huili Wei1,2, Xiangyu Ji1, Jinguo Cao1
1Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Key Laboratory for the Green Preparation and Application of Functional Materials, Ministry of Education, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering, Hubei University, Wuhan 430062, P. R. China.
这项研究介绍了一种新型的光电探测器,使用酸量子点和石墨烯,实现快速,稳定和高效的紫外线可见光检测. 该设备表现出卓越的性能,包括高响应度和检测能力.
科学领域:
- 材料科学 材料科学 材料科学
- 光电学是指光电子产品.
- 纳米技术纳米技术
背景情况:
- 光探测器的性能在很大程度上取决于材料选择和设备架构.
- 开发具有高效率和稳定的宽带紫外线可见光探测器至关重要.
研究的目的:
- 设计和制造一个垂直结构的光探测器,增强光电性能.
- 为了研究单层石墨烯/CsPbI3量子点异质连接对设备特性的影响.
主要方法:
- 使用Si++/SiO2基质,单层石墨烯和CsPbI3量子点制造一个设备.
- 整个紫外线可见光谱的光电性能的表征.
- 基于Frenkel-Poole排放效应的设备操作分析.
主要成果:
- 实现了快速,稳定和高效的宽带紫外线可见光检测.
- 在365nm处证明了卓越的性能:响应度为2319 A/W,检测能力为1.15 × 10^14 Jones,EQE为7883%,开/关时间为39/36 ms.
- 在SiO2层中利用Frenkel-Poole排放效应以提高性能.
结论:
- 开发的Si++/SiO2/Au/石墨烯/CsPbI3 QD光探测器具有卓越的光电性能.
- 在垂直异构连接结构中将石墨烯和CsPbI3 QD集成到垂直异构连接结构中,对于高性能光电探测器是有效的.
- 该设备在需要灵敏,快速的紫外可见光检测的应用中具有显著的潜力.
更多相关视频
10:41Enhanced Electron Injection and Exciton Confinement for Pure Blue Quantum-Dot Light-Emitting Diodes by Introducing Partially Oxidized Aluminum Cathode
Published on: May 31, 2018
07:42Inkjet Printing All Inorganic Halide Perovskite Inks for Photovoltaic Applications
Published on: January 22, 2019
相关概念视频
Inductively Coupled Plasma–Mass Spectrometry (ICP–MS): Overview
Gas Chromatography: Types of Detectors-II
Inductively Coupled Plasma Atomic Emission Spectroscopy: Principle
The ions and electrons produced interact with the fluctuating magnetic field created by a water-cooled...
Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation
There are three main types of inductively coupled plasma atomic emission spectroscopy (ICP-AES) instruments: sequential, simultaneous multichannel, and Fourier transform instruments, with the latter being less commonly used.
Determination of Crystal Structures
