Pr<3+> ion activated near-infrared luminescent material and preparation method thereof

A luminescent material and near-infrared technology, applied in luminescent materials, chemical instruments and methods, bismuth compounds, etc., to achieve the effects of easy operation, no environmental pollution, and high implementation feasibility

Active Publication Date: 2020-12-22
CHANGZHOU VOCATIONAL INST OF ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But in Pr 3+ Among ion-activated near-infrared emitting materials, Pr 3+ ion 1 D. 2 → 1 G 4

Method used

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  • Pr&lt;3+&gt; ion activated near-infrared luminescent material and preparation method thereof
  • Pr&lt;3+&gt; ion activated near-infrared luminescent material and preparation method thereof
  • Pr&lt;3+&gt; ion activated near-infrared luminescent material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Prepare Pr according to the method of the present invention 3+ Ion-activated near-infrared luminescent material whose general chemical formula is BiLaGd 0.99 PR 0.01 o 4.5 , the specific operation is as follows:

[0026] According to the general chemical formula BiLaGd 0.99 PR 0.01 o 4.5The stoichiometric ratio of each element in , respectively weigh bismuth oxide Bi 2 o 3 : 2.33 grams, lanthanum oxide La 2 o 3 : 1.63 g, gadolinium oxide Gd 2 o 3 : 1.79 grams, praseodymium oxide Pr 6 o 11 : 0.02 g; the various raw materials weighed are ground and mixed uniformly in an agate mortar, pre-sintered at 850° C. for 5 hours in an air atmosphere in a muffle furnace, and then cooled to room temperature to obtain a pre-calcined mixture; The calcined mixture is fully mixed and ground evenly, calcined at 1250°C for 8 hours in an air atmosphere, cooled to room temperature, taken out and fully ground to obtain powdered Pr 3+ Ion-activated near-infrared luminescent mater...

Embodiment 2

[0031] Prepare Pr according to the method of the present invention 3+ Ion-activated near-infrared luminescent material whose general chemical formula is BiLaY 0.95 PR 0.05 o 4.5 , the specific operation is as follows:

[0032] According to the general chemical formula BiLaY 0.95 PR 0.05 o 4.5 The stoichiometric ratio of each element in , respectively weigh bismuth oxide Bi 2 o 3 : 3.49 g, lanthanum oxide La 2 o 3 : 2.45g, yttrium oxide Y 2 o 3 : 1.61 g, praseodymium oxide Pr 6 o 11 : 0.13 g; the various raw materials weighed are ground and mixed uniformly in an agate mortar, pre-sintered at 1100° C. for 1 hour in an air atmosphere in a muffle furnace, and then cooled to room temperature to obtain a pre-calcined mixture; The calcined mixture is fully mixed and ground evenly, calcined at 1180°C for 10 hours in an air atmosphere, cooled to room temperature, taken out and fully ground to obtain powdered Pr 3+ Ion-activated near-infrared luminescent materials.

[003...

Embodiment 3

[0036] Prepare Pr according to the method of the present invention 3+ An ion-activated near-infrared luminescent material whose general chemical formula is BiLaLu 0.9 PR 0.1 o 4.5 , the specific operation is as follows:

[0037] According to the general chemical formula BiLaLu 0.9 PR 0.1 o 4.5 The stoichiometric ratio of each element in the element, respectively weigh bismuth nitrate Bi (NO 3 ) 3 ·5H 2 O: 2.426 grams, lanthanum nitrate La (NO 3 ) 3 ·6H 2 O: 2.925 g, lutetium nitrate Lu (NO 3 ) 3 ·6H 2 O: 1.71 grams, praseodymium oxide Pr 6 o 11 : 0.085 g; the various raw materials weighed were ground and mixed uniformly in an agate mortar, and the air atmosphere was pre-sintered at 1000°C for 8 hours in a muffle furnace, and then cooled to room temperature to obtain a pre-calcined mixture; The calcined mixture is fully mixed and ground evenly, calcined at 1200°C for 6 hours in an air atmosphere, cooled to room temperature, taken out and fully ground to obtain p...

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Abstract

The invention discloses a Pr<3+> ion activated near-infrared luminescent material and a preparation method thereof. The matrix of the luminescent material is rare earth bismuthate oxide, Bi<3+> ions enhance the polarization performance of crystal lattices, and positive ions in the crystal lattices have very high occupied disorder, so that a structural basis is provided for effective luminescence of Pr<3+> ions; the luminescent material has the strongest emission intensity in the wavelength range of 1.4-1.56 mum, belongs to 1D2-to-1G4 transition luminescence from Pr<3+> ions, and the emission waveband is mainly suitable for being applied to an E-band extension waveband and an S-band short wavelength waveband in an optical amplifier; the matrix crystal lattice of the luminescent material hasvery strong rigidity, so that the prepared near-infrared luminescent material has very high stability; the preparation method of the near-infrared luminescent material is simple in overall preparation process, easy to operate, low in production cost, free of environmental pollution and high in implementation feasibility.

Description

technical field [0001] The invention belongs to the technical field of inorganic luminescent materials, in particular to a Pr 3+ Ion-activated near-infrared luminescent materials. Background technique [0002] Optical fiber communication is a communication method that uses electromagnetic waves as an information carrier to transmit information. It has a large amount of information transmission, strong anti-interference ability, and good confidentiality. It has become the most important wired communication method today. In optical fiber communication, the information to be transmitted is input into the transmitter at the sending end, the information is superimposed or modulated onto the carrier as the information signal carrier, and then the modulated carrier is transmitted to the remote receiving end through the transmission medium, and the receiver demodulate the original information. In some communication applications, a certain transmission distance needs to place a reg...

Claims

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Application Information

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IPC IPC(8): C09K11/78C01G29/00
CPCC09K11/7769C01G29/006C01P2002/72C01P2004/03C01P2006/60
Inventor 唐惠东李龙珠陈玉伟杨蓉蒋若愚徐立波
Owner CHANGZHOU VOCATIONAL INST OF ENG
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