Supercharge Your Innovation With Domain-Expert AI Agents!

Fluorescent temperature probe material

A technology of fluorescence temperature and fluorescence intensity, applied in the field of fluorescent temperature probe materials, can solve the problem of low sensitivity

Inactive Publication Date: 2018-08-21
CHINA JILIANG UNIV
View PDF2 Cites 7 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are certain limitations in this method at present, that is, when a single rare earth ion is used to emit light (Er 3+ of 2 h 11 / 2 and 4 S 3 / 2 thermal coupling energy level), the resulting sensitivity is relatively low; and when two different rare earth ions are selected, the fluorescence intensity needs to change sufficiently, otherwise it is easy to produce a large relative error

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Fluorescent temperature probe material
  • Fluorescent temperature probe material
  • Fluorescent temperature probe material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Fluorescent temperature probe material, including nanocrystalline shell layer, nanocrystalline intermediate layer and nanocrystalline core, the nanocrystalline core is doped with Tm whose fluorescence intensity decreases with the increase of temperature 3+ ions, Er doped in the nanocrystalline shell whose fluorescence intensity increases with temperature 3+ ions, interlayer nanocrystals for Tm reduction 3+ ions and Er3+ ions cross-relaxed inert layer. The nanocrystalline core is Na 3 Hf 7 :xYbyTm, the nanocrystalline interlayer is the nanocrystalline interlayer is Na 3 Hf 7 , the nanocrystalline shell is Na 3 ZrF 7 :mYbnEr; the ion doping concentration of x is 20-80%, the ion doping concentration of y is 0.5-2%, the ion doping concentration of m is 20-80%, and the ion doping concentration of n is 20-40% .

[0018] New Fluorescent Temperature Probe Material Na 3 Hf 7 :YbTm@Na 3 Hf 7 @Na 3 ZrF 7 : YbEr, preparation method, comprises the steps: (1) 0.795 mill...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention belongs to the field of inorganic luminescent materials and provides a fluorescent temperature probe material. The fluorescent temperature probe material comprises a nanocrystal shell layer, a nanocrystal middle layer and a nanocrystal nucleus, wherein the nanocrystal nucleus is doped with Tm<3+> ions with fluorescence intensity which is reduced with temperature increase, the nanocrystal shell layer is doped with Er<3+> ions with fluorescence intensity which is increased with temperature increase, and the nanocrystal middle layer is an inert layer for reducing cross relaxation ofthe Tm<3+> ions and the Er<3+> ions. The fluorescent temperature probe material is beneficial to promoting further development of a non-contact temperature sensing technology.

Description

technical field [0001] The invention belongs to the field of inorganic up-conversion luminescent materials, and relates to a fluorescent temperature probe material. Background technique [0002] The theory and method of temperature measurement research based on the luminescence characteristics of rare earth ions have become increasingly mature, and a large number of temperature measurement methods have emerged in recent years. The use of rare earth ions in temperature measurement research belongs to non-contact temperature detection, that is, to disperse substances that have an optical response to temperature in the measured object or smear it on the surface of the measured object, and measure the temperature by measuring its luminous properties Way. The current temperature measurement methods mainly include intensity ratio temperature measurement, fluorescence lifetime temperature measurement, rising edge temperature measurement and absolute intensity temperature measureme...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): C09K11/02C09K11/67B82Y40/00G01K11/20
CPCB82Y40/00C09K11/025C09K11/7773G01K11/20
Inventor 夏洁楠雷磊徐时清
Owner CHINA JILIANG UNIV
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com