Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/28572
Title: Response of nanocomposite pyroelectric detectors
Authors: Chen, Y
Chan, HLW 
Hui, NM
Wong, YW
Choy, CL 
Keywords: Lead titanate/vinylidene fluoride-trifluoroethylene composite
Nanocomposite
Pyroelectric detector
Pyroelectric sensor simulation
Issue Date: 1998
Publisher: Elsevier
Source: Sensors and actuators. A, Physical, 1998, v. 69, no. 2, p. 156-165 How to cite?
Journal: Sensors and actuators. A, Physical 
Abstract: Four designs of pyroelectric detectors using lead titanate/vinylidene fluoride-trifluoroethylene [PT/P(VDF-TrFE)] nanocomposite thin films with 0.12 volume fraction of PT as the sensing elements are presented. A one-dimensional heat diffusion equation for the multilayer structure has been solved and the current and voltage responsivities have been calculated using directly determined thermal data. Good agreements are obtained between the calculated and measured responsivities. The PT/P(VDF-TrFE) detector has higher voltage and current responsivities than the P(VDF-TrFE) copolymer detector for sensing elements of the same thickness. Improvement in detector performance can be achieved by (1) etching away the silicon substrate under the sensor element or (2) incorporating a polyimide thermal buffer layer.
URI: http://hdl.handle.net/10397/28572
ISSN: 0924-4247
EISSN: 1873-3069
DOI: 10.1016/S0924-4247(98)00076-4
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