Mechanoluminescent element and preparation method thereof

A stress luminescence and component technology, which is applied in the application of optical methods for fluid pressure measurement, luminous paint, and measurement of force by measuring the change of optical properties of materials when they are stressed. It can solve weak luminous intensity and low light detection difficulties. problem, to achieve the effect of high compressive strength and enhanced photoluminescence effect

Inactive Publication Date: 2020-11-17
HANGZHOU XIANQING TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome a series of problems such as the weak luminous intensity of the mechanoluminescent material in the prior art and the difficulty in low-light detection, the present invention provides a blue mechanoluminescent ceramic material and a preparation method thereof. The ceramic has compressive strength High, obvious mechanoluminescent effect, etc., can be used for pressure sensing components in pressure sensors

Method used

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  • Mechanoluminescent element and preparation method thereof
  • Mechanoluminescent element and preparation method thereof
  • Mechanoluminescent element and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0128] A blue mechanoluminescent ceramic material with a chemical composition of Ca 0.98 Al 3 o 4 N: 0.01Eu 2+ , 0.01Nd 3+ .

[0129] With high purity CaCO 3 、Al 2 o 3 , AlN, Eu 2 o 3 and Nd 2 o 3 As a raw material, according to the chemical composition Ca 0.98 Al 3 o 4 N:0.01Eu 2+ , 0.01Nd 3+ The ratio of each element in the formula is accurately weighed raw materials; agate balls are used as grinding balls, absolute ethanol is used as a ball milling medium, agate balls, absolute ethanol and raw materials are put into a ball milling tank at the same time, and ball milling is carried out on a planetary ball mill. feed for 5 hours to form a slurry-like mixture, the mass ratio of the absolute ethanol to the raw material is 2:3; the obtained slurry-like mixture is placed in an oven, and dried for 5 hours at 80 ° C, and then The raw materials obtained after drying are passed through a 200-mesh sieve to obtain uniformly mixed raw materials; a certain amount of unifo...

Embodiment 2

[0131] A blue mechanoluminescent ceramic material with a chemical composition of Ca 0.98 Al 3 o 4 N: 0.01Eu 2+ , 0.01Sm 3+ .

[0132] With high purity CaCO 3 、Al 2 o 3 , AlN, Eu 2 o 3 and Sm 2 o 3 As a raw material, according to the chemical composition Ca 0.98 Al 3 o 4 N:0.01Eu 2+ , 0.01Sm 3+ The ratio of each element in the formula is accurately weighed raw materials; agate balls are used as grinding balls, absolute ethanol is used as a ball milling medium, agate balls, absolute ethanol and raw materials are put into a ball milling tank at the same time, and ball milling is carried out on a planetary ball mill. feed for 10 hours to form a slurry-like mixture, the mass ratio of the absolute ethanol to the raw material is 2:3; the obtained slurry-like mixture is placed in an oven, and dried for 4 hours at 80 ° C, and then The raw materials obtained after drying are passed through a 200-mesh sieve to obtain uniformly mixed raw materials; a certain amount of unif...

Embodiment 3

[0134] A blue mechanoluminescent ceramic material with a chemical composition of Ca 0.92 Al 3 o 4 N: 0.04Eu 2+ , 0.02Nd 3+ , 0.02Sm 3 + .

[0135] With high purity CaCO 3 、Al 2 o 3 , AlN, Eu 2 o 3 、Nd 2 o 3 and Sm 2 o 3 As a raw material, according to the chemical composition Ca 0.92 Al 3 o 4 N: 0.04Eu 2+ , 0.02Nd 3+ , 0.02Sm 3+ The ratio of each element in the formula is accurately weighed raw materials; agate balls are used as grinding balls, absolute ethanol is used as a ball milling medium, agate balls, absolute ethanol and raw materials are put into a ball milling tank at the same time, and ball milling is carried out on a planetary ball mill. feed for 20 hours to form a slurry-like mixture, the mass ratio of the absolute ethanol to the raw material is 2:3; the obtained slurry-like mixture is placed in an oven, and dried at 80°C for 6 hours, and then The raw materials obtained after drying are passed through a 200-mesh sieve to obtain uniformly mixed ...

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Abstract

The invention belongs to the technical field ofmechanoluminescence, and particularly relates to a mechanoluminescent element and a preparation method thereof. The mechanoluminescent element adopts a substrate made of a blue mechanoluminescent ceramic material. The chemical composition general formula of the ceramic material is Ca<1-x-y>Al<3>O<4>N: xEu<2+>, yRe<3+>, wherein Re is one or a combination of two selected from Nd and Sm, x is more than or equal to 0.01 and less than or equal to 0.1, and y is more than or equal to 0.01 and less than or equal to 0.2. The mechanoluminescent element of the invention can be applied to electronic machines such as a pressure-sensitive device, a touch screen, a touch sensor, a photodiode or a phototransistor, a piezoelectric actuator or an electrostaticactuator, a light-emitting polymer actuator, a liquid amount detection device, an impact force detection device, an optical waveguide, an optical waveguide device, a mechanical optical device, a detection device, an information processing device, a switch, an operation button, an input device. a keyboard input device and other machines; and non-contact control, automatic process and remote controloperation of the device and a system can be performed.

Description

[0001] The present invention is a divisional application. The application number of the original application is: 201711061636.7, the application date is: 2017-11-02, and the patent name is: a blue mechanoluminescent ceramic material and its preparation method. technical field [0002] The invention belongs to the technical field of stress luminescence, and in particular relates to a stress luminescence element and a preparation method thereof. Background technique [0003] The physical phenomenon that materials emit visible light under the action of stress, friction, fracture or ultrasonic vibration is called mechanoluminescence. Like long-lasting luminescence, mechanoluminescence is also a physical phenomenon that has been recognized by human beings for a long time. There are many materials that can produce mechanoluminescence, including organic and inorganic materials, such as sugar crystals, quartz crystals, and the long-lasting material SrAl, which has developed rapidly ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/44C08J5/18C08L83/04C08L67/02C08L25/06C08L75/04C08L79/08C08L29/04C08K3/28C09D5/22G01L1/24G01L11/02
CPCC09D11/037C09D11/50
Inventor 不公告发明人
Owner HANGZHOU XIANQING TECH CO LTD
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