Enhanced photocurrent via ferro-pyro-phototronic effect in ferroelectric BaTiO3 materials for a self-powered flexible photodetector system; Enhanced photocurrent via ferro-pyro-phototronic effect in ferroelectric BaTiO3 materials for a self-powered flexible photodetector system
Kun Zhao1,2; Bangsen Ouyang1,4; Chris R. Bowen3; Ya Yang1,4,5
2020-11 ; 2020-11
发表期刊Nano Energy ; Nano Energy
期号77页码:105152
摘要

Some ferroelectric materials have demonstrated both pyroelectric and photovoltaic effects for scavenging thermal and solar energies. However, how to couple pyroelectric and photovoltaic effects in ferroelectric materials remains a challenge. Here, a ferro-pyro-phototronic effect based on coupling pyroelectric and photovoltaic effects has been utilized to enhance the photocurrent in a ferroelectric BaTiO3-based flexible photodetector system. As compared with a purely photovoltaic system, the corresponding current peak and plateau were 451.9% and 17.2% higher in the coupled photovoltaic-pyroelectric system, respectively. The results can be explained by ferro-pyro-phototronic effect with an induced energy band bending. As a demonstration of its potential application, we developed a sensing system that is suitable for detecting and recognizing both light and temperature variations by recording the electrical signals mapped as an array.
 

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Some ferroelectric materials have demonstrated both pyroelectric and photovoltaic effects for scavenging thermal and solar energies. However, how to couple pyroelectric and photovoltaic effects in ferroelectric materials remains a challenge. Here, a ferro-pyro-phototronic effect based on coupling pyroelectric and photovoltaic effects has been utilized to enhance the photocurrent in a ferroelectric BaTiO3-based flexible photodetector system. As compared with a purely photovoltaic system, the corresponding current peak and plateau were 451.9% and 17.2% higher in the coupled photovoltaic-pyroelectric system, respectively. The results can be explained by ferro-pyro-phototronic effect with an induced energy band bending. As a demonstration of its potential application, we developed a sensing system that is suitable for detecting and recognizing both light and temperature variations by recording the electrical signals mapped as an array.
 

关键词BaTiO3 Ferro-pyro-phototronic effect Photodetector systems Photovoltaic effect Pyroelectric effect BaTiO3 Ferro-pyro-phototronic effect Photodetector systems Photovoltaic effect Pyroelectric effect
收录类别SCI ; SCI
语种英语 ; 英语
文献类型期刊论文
条目标识符https://ir.lut.edu.cn/handle/2XXMBERH/103282
专题省部共建有色金属先进加工与再利用国家重点实验室
作者单位1.CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, PR China
2.Department of Mechanical Engineering, University of Bath, BA2 7AK, UK
3.School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing, 100049, PR China
4.Center on Nanoenergy Research, School of Physical Science and Technology, Guangxi University, Nanning, 530004, PR China
5.State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals, Lanzhou University of Technology, Lanzhou, 730050, PR China
推荐引用方式
GB/T 7714
Kun Zhao,Bangsen Ouyang,Chris R. Bowen,et al. Enhanced photocurrent via ferro-pyro-phototronic effect in ferroelectric BaTiO3 materials for a self-powered flexible photodetector system, Enhanced photocurrent via ferro-pyro-phototronic effect in ferroelectric BaTiO3 materials for a self-powered flexible photodetector system[J]. Nano Energy, Nano Energy,2020, 2020(77):105152, 105152.
APA Kun Zhao,Bangsen Ouyang,Chris R. Bowen,&Ya Yang.(2020).Enhanced photocurrent via ferro-pyro-phototronic effect in ferroelectric BaTiO3 materials for a self-powered flexible photodetector system.Nano Energy(77),105152.
MLA Kun Zhao,et al."Enhanced photocurrent via ferro-pyro-phototronic effect in ferroelectric BaTiO3 materials for a self-powered flexible photodetector system".Nano Energy .77(2020):105152.
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