Electrosprayed carbon-based black coatings for pyroelectric detectors

被引：16
|
作者：
Zhao, Ling [1 ]
He, Xiuli [1 ]
Li, Jianping [1 ]
Gao, Xiaoguang [1 ]
Jia, Jian [1 ]
机构：
[1] Chinese Acad Sci, Inst Elect, State Key Lab Transducer Technol, Beijing 100190, Peoples R China
来源：
SENSORS AND ACTUATORS A-PHYSICAL | 2013年 / 196卷
基金：
中国国家自然科学基金;
关键词：
Electrospray; Infrared coating; Carbon-based black; Pyroelectric detector; INFRARED RESPONSIVITY; SPRAY DEPOSITION; NANOTUBES; SENSOR;
D O I：
10.1016/j.sna.2013.03.030
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
An approach of electrospray was proposed to fabricate carbon black (CB), multiwall carbon nanotubes (MWCNTs), and graphite black coatings for pyroelectric detectors. The deposition process of black coatings was described and the parameters of electrospray were optimized. The microstructure of the coatings and the voltage response and increase factor of pyroelectric detectors with black coatings were investigated. The CB coating exhibits most outstanding infrared absorptivity among the three coatings and the voltage response of the detector is enhanced remarkably by using the CB coating. Infrared spectral absorptance of the electrosprayed CB coating was measured and the absorptivity of the CB coating is >94% within the wavelength range of 2.5-25 mu m, which is beneficial to the performance improvement of the pyroelectric detector. The relative spectral responsivity and the response linearity of the CB-coated pyroelectric detector were investigated. (c) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：16 / 21
页数：6
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