A bismuth-doped silicate ultraviolet long-lasting luminescent powder
A long afterglow luminescent powder, silicate technology, applied in luminescent materials, chemical instruments and methods, etc., can solve the problems of complexity, narrow wavelength range and high cost of preparation methods
Active Publication Date: 2016-08-10
KUNMING UNIV OF SCI & TECH
View PDF1 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Aiming at the problems of long afterglow materials on the market in the prior art with long emission wavelength, narrow band range, high cost and complicated preparation methods, the present invention provides a bismuth-doped silicate ultraviolet long afterglow luminescent powder. The present invention adopts The following technical solutions are realized
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 moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1
Embodiment 2
Embodiment 3
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
Login to View More Abstract
The invention relates to a bismuth-doped silicate ultraviolet long-lasting luminescent powder, which belongs to the technical field of display, disinfection and lighting fluorescent powder. The bismuth-doped silicate ultraviolet long-lasting luminescent powder, the expression of the long-lasting luminescent powder is MSiO 3 : xBi, wherein M is Mg, Ca, Sr, Ba or Cd, and x represents a molar value of 0.001 to 0.05; the long afterglow luminescent powder is composed of MO or M (NO 3 ) 2 , SiO 2 and Bi 2 o 3 The material is made at a molar ratio of 1:1:0.0005-0.025, wherein M is Mg, Ca, Sr, Ba or Cd. The material extends the emission wavelength of the current long afterglow from visible and infrared to the ultraviolet region, and can produce long afterglow of ultraviolet light under the excitation of ultraviolet light, and this material is expected to become a new type of ultraviolet disinfection and light source material.
Description
technical field The invention relates to a bismuth-doped silicate ultraviolet long-lasting luminescent powder, which belongs to the technical field of display, disinfection and lighting fluorescent powder. Background technique Long afterglow luminescent materials have the characteristics of light storage, energy storage and energy saving, and have unique advantages in light energy conversion and utilization. They can store light energy and then slowly release the stored energy in the form of visible light. Therefore, Long afterglow luminescent materials have unique application advantages in low-light lighting, emergency indication and other fields. For example: when the "9.11" incident in the United States shocked China and the world, the luminescent signs and indication systems made of long-lasting luminescent materials played an important role in the evacuation process. Therefore, in recent years, long-lasting luminescent materials that can realize "energy storage" and "e...
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
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): C09K11/59
Inventor 杨正文廖佳燕邱建备宋志国周大成
Owner KUNMING UNIV OF SCI & TECH