Integration of perovskite and polymer photoactive layers to produce ultrafast response, ultravioletto-near-infrared, sensitive photodetectors

	Integration of perovskite and polymer photoactive layers to produce ultrafast response, ultravioletto-near-infrared, sensitive photodetectors
	Shen, Liang 1; Lin, Yuze 1; Bao, Chunxiong 1; Bai, Yang 1; Deng, Yehao 1; Wang, Mengmeng 2; Li, Tao 3; Lu, Yongfeng 2; Gruverman, Alexei 3; Li, Weiwei 4
刊名	MATERIALS HORIZONS
	2017
卷号	4 期号:2 页码:242-248
英文摘要	Low-cost organic photodetectors have shown sensitivity levels comparable to those of inorganic photodetectors, but with response speeds generally limited to the megahertz range due to the low mobility of organic semiconductors. Here, we integrated organic-inorganic hybrid perovskite (OIHP) photoactive layers with low-bandgap organic bulk-heterojunction (BHJ) layers to produce a device that combined the advantages of the two types of photodetectors. Integrating methylammonium lead triiodide (CH3NH3PbI3) with a low-bandgap BHJ layer extended the response of perovskite photodetectors to a wavelength of 1000 nanometers without deteriorating the responsivity and specific detectivity of either type of photodetector. The high mobility of charge carriers in CH3NH3PbI3 allowed the constraints of the resistance-capacitance constant to be relieved so that the device response speed could be increased dramatically. A response time of five nanoseconds was measured for incident infrared light from the device with an active area of 0.1 square millimeters, which represents the state-of-the-art performance for organic-based photodetectors.
语种	英语
内容类型	期刊论文
源URL	[http://ir.iccas.ac.cn/handle/121111/38142]
专题	化学研究所_有机固体实验室
作者单位	1.Univ Nebraska, Dept Mech & Mat Engn, Lincoln, NE 68588 USA 2.Univ Nebraska, Dept Elect & Comp Engn, Lincoln, NE 68588 USA 3.Univ Nebraska, Dept Phys & Astron, Lincoln, NE 68588 USA 4.Chinese Acad Sci, Inst Chem, Beijing 100190, Peoples R China
推荐引用方式 GB/T 7714	Shen, Liang,Lin, Yuze,Bao, Chunxiong,et al. Integration of perovskite and polymer photoactive layers to produce ultrafast response, ultravioletto-near-infrared, sensitive photodetectors[J]. MATERIALS HORIZONS,2017,4(2):242-248.
APA	Shen, Liang.,Lin, Yuze.,Bao, Chunxiong.,Bai, Yang.,Deng, Yehao.,...&Huang, Jinsong.(2017).Integration of perovskite and polymer photoactive layers to produce ultrafast response, ultravioletto-near-infrared, sensitive photodetectors.MATERIALS HORIZONS,4(2),242-248.
MLA	Shen, Liang,et al."Integration of perovskite and polymer photoactive layers to produce ultrafast response, ultravioletto-near-infrared, sensitive photodetectors".MATERIALS HORIZONS 4.2(2017):242-248.