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A metal plasmon patch temperature and infrared sensor

A technology of infrared sensors and plasmons, applied in thermometers, thermometers of nanotechnology, thermometers with physical/chemical changes, etc., to achieve the effect of improving thermo-optic coefficient, improving sensing performance, and good flexibility

Active Publication Date: 2019-06-21
SOUTHEAST UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Among the current sensors, it is difficult to have a structure that meets the requirements of high flexibility, large contact area, zero electromagnetic interference, and low cost at the same time, and the solution to this key bottleneck problem is crucial to the realization of a new generation of flexible sensor technology and its applications

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  • A metal plasmon patch temperature and infrared sensor
  • A metal plasmon patch temperature and infrared sensor
  • A metal plasmon patch temperature and infrared sensor

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preparation example Construction

[0030] The preparation method of the sensor: first spin-coat a layer of polymer molecular brush material on the upper and lower substrates, and then self-assemble a layer of metal nanoparticles on the polymer molecular brush material, and then separate the two substrate materials at a certain distance The distance is relatively placed, the flexible transparent film material is wrapped around it, the transparent liquid is filled and sealed, and finally the gel material is spin-coated on the bottom to form a patch.

[0031] In the present invention, the external scattered light passes through the upper transparent film and irradiates the metal particles inside the sensor. As the temperature of the measured object changes, the state of the polymer molecular brush material changes, which further causes the distance between the two layers of metal nanoparticles connected to one end of the polymer molecule to change, making the position of the SPR peak of the metal nanoparticles chan...

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Abstract

The present invention is a metal plasmon patch type temperature and infrared sensor device. There is a flexible polymer molecular brush material layer (2) on the surface between the upper and lower flexible transparent substrates (5). The outer end of the molecular brush material layer (2) is connected with metal nanoparticles (3), and two layers of metal nanoparticles (3) arranged in opposite directions and the flexible polymer molecular brush material layer (2) form a unit structure, which can be Repeat multiple layers, the flexible transparent film (1) is located around the above structure, the transparent liquid (4) is filled between the flexible polymer molecular brush material layer (2) and the flexible transparent film (1), and the patch (6) is located on the bottom flexible The transparent film (1) is under and closely attached to the flexible transparent film (1). The invention can directly observe the luminous color of the patch temperature sensor with human eyes or take pictures with a camera, is suitable for objects with regular and irregular surfaces, has large measurement area, anti-electromagnetic interference, fast response and low cost.

Description

technical field [0001] The invention belongs to the field of temperature and infrared sensors, and in particular relates to a metal plasmon patch type temperature and infrared sensor, in particular to a flexible and luminescent patch temperature and infrared sensor. Background technique [0002] The current temperature sensors mainly include contact temperature sensors and non-contact temperature sensors. Traditional contact temperature sensors mainly include thermistors and thermocouples. The thermistor utilizes its own resistance-temperature characteristics, the temperature changes, and the resistance value also changes, but its self-heating phenomenon seriously affects its temperature measurement accuracy. Thermocouples use the thermoelectric effect to convert the temperature difference between the two ends of the couple into an electromotive force difference, but their sensitivity is low and their stability is poor. At high temperatures, the nonlinearity of their own te...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01K11/16G01J5/00
CPCG01J5/00G01K11/16G01K2211/00
Inventor 张彤张晓阳陈逾璋
Owner SOUTHEAST UNIV
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