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Aromatic carboxylic acid modified transition rare earth heterometal intercalated antimony tungstate material with energy transfer, preparation method and application

A technology of antimony tungstate and aromatic carboxylic acid, applied in the field of preparation of new chemical materials, to achieve the effect of good ability to transfer electrons

Active Publication Date: 2020-09-01
HENAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

More importantly, in recent years, the research on the luminescent properties of organic-inorganic hybrid transition rare earth heterometal intercalated antimony tungstate materials is almost blank.

Method used

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  • Aromatic carboxylic acid modified transition rare earth heterometal intercalated antimony tungstate material with energy transfer, preparation method and application
  • Aromatic carboxylic acid modified transition rare earth heterometal intercalated antimony tungstate material with energy transfer, preparation method and application
  • Aromatic carboxylic acid modified transition rare earth heterometal intercalated antimony tungstate material with energy transfer, preparation method and application

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Effect test

Embodiment 1

[0034] An aromatic carboxylic acid modified transition rare earth heterometal intercalated antimony tungstate material with energy transfer, its chemical formula is: Na 6 h 4 [Fe 2 W 4 o 9 (H 2 O) 2 (Hpic) 4 (B- β -SbW 9 o 33 ) 2 ][Dy(H 2 O) 8 ] 2 [Fe 4 W 2 o 7 (H 2 O) 4 (pic) 2 (Hpic) 2 (B- β - SbW 9 o 33 ) 2 ]·38H 2 O.

[0035] The above-mentioned aromatic carboxylic acid modified transition rare earth heterometal intercalated antimony tungstate material with energy transfer is synthesized by hydrothermal method, and its preparation method specifically includes the following steps:

[0036] 1) Synthesize the antimony tungstate precursor Na 9 [B-α-SbW 9 o 33 ]·19.5H 2 O (see literature for details (Bösing, M.; Loose, I.; Pohlmann, H.; Krebs, B. Chem. Eur. J. 1997, 3 ,1232−1237);

[0037] 2) Na 9 [B-α-SbW 9 o 33 ]·19.5H 2 O (0.567 g, 0.198 mmol), Dy(NO 3 ) 3 ·6H 2 O (0.084g, 0.184 mmol) and 2-pyridinecarboxylic acid (0.126 g, 1.023 mmol...

Embodiment 2

[0039] An aromatic carboxylic acid modified transition rare earth heterometal intercalated antimony tungstate material with energy transfer, its chemical formula is: Na 6 h 4 [Fe 2 W 4 o 9 (H 2 O) 2 (Hpic) 4 (B- β -SbW 9 o 33 ) 2 ][Dy(H 2 O) 8 ] 2 [Fe 4 W 2 o 7 (H 2 O) 4 (pic) 2 (Hpic) 2 (B- β - SbW 9 o 33 ) 2 ]·38H 2 O.

[0040] The above-mentioned aromatic carboxylic acid modified transition rare earth heterometal intercalated antimony tungstate material with energy transfer is synthesized by hydrothermal method, and its preparation method specifically includes the following steps:

[0041] 1) Synthesize the antimony tungstate precursor Na 9 [B-α-SbW 9 o 33 ]·19.5H 2 O (see literature for details (Bösing, M.; Loose, I.; Pohlmann, H.; Krebs, B. Chem. Eur. J. 1997, 3 ,1232−1237);

[0042] 2) Na 9 [B-α-SbW 9 o 33 ]·19.5H 2 O (0.560 g, 0.196 mmol), Dy(NO 3 ) 3 ·6H 2 O (0.080g, 0.175 mmol) and 2-pyridinecarboxylic acid (0.126 g, 1.023 mmol...

Embodiment 3

[0044] An aromatic carboxylic acid modified transition rare earth heterometal intercalated antimony tungstate material with energy transfer, its chemical formula is: Na 6 h 4 [Fe 2 W 4 o 9 (H 2 O) 2 (Hpic) 4 (B- β -SbW 9 o 33 ) 2 ][Dy(H 2 O) 8 ] 2 [Fe 4 W 2 o 7 (H 2 O) 4 (pic) 2 (Hpic) 2 (B- β - SbW 9 o 33 ) 2 ]·38H 2 O.

[0045] The above-mentioned aromatic carboxylic acid modified transition rare earth heterometal intercalated antimony tungstate material with energy transfer is synthesized by hydrothermal method, and its preparation method specifically includes the following steps:

[0046] 1) Synthesize the antimony tungstate precursor Na 9 [B-α-SbW 9 o 33 ]·19.5H 2 O (see literature for details (Bösing, M.; Loose, I.; Pohlmann, H.; Krebs, B. Chem. Eur. J. 1997, 3 ,1232−1237);

[0047] 2) Na 9 [B-α-SbW 9 o 33 ]·19.5H 2 O (0.567 g, 0.198 mmol), Dy(NO 3 ) 3 ·6H 2 O (0.080g, 0.175 mmol) and 2-pyridinecarboxylic acid (0.126 g, 1.023 mmol...

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Abstract

The invention belongs to the technical field of preparation of new chemical materials, and particularly relates to an aromatic carboxylic acid modified and transition rare earth dissimilar metal embedded tungstoantimonate material with energy transfer. The chemical formula is Na6H4[Fe2W4O9(H2O)2(Hpic)4(B-beta-SbW9O33)2][Dy(H2O)8]2[Fe4W2O7(H2O)4(pic)2(Hpic)2(B-beta-SbW9O33)2] 38H2O. The material obtained by reacting FeCl3 6H2O with Dy(NO3)3 6H2O, 2-picolinic acid and Na9[B-alpha-SbW9O33] 19.5H2O under hydrothermal conditions is an light-emitting material with energy transfer, and has a good application prospect in the field of light-emitting materials; the preparation method of the material is simple, easy to operate, and low in cost.

Description

technical field [0001] The invention belongs to the technical field of preparation of new chemical materials, in particular to an antimony tungstate material embedded with transition rare earth heterometals modified by aromatic carboxylic acid with energy transfer and its preparation method and application. Background technique [0002] Organic-inorganic hybrid materials have attracted more and more applications in the fields of catalysis, magnetism, and photoelectrochemistry due to their diverse chemical compositions, rich electronic configurations, complex bonding modes, and synergistic effects between organic and inorganic components. more attention. Polyoxometalates are usually composed of high-valence pre-transition metal ions The metal oxygen cluster compounds formed by the connection of oxygen atoms have rich and diverse structures, fascinating properties and potential application values ​​in the fields of catalysis, medicine, magnetism, optics, electrochemistry, se...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07F19/00C09K11/75C09K11/07
CPCC07F15/025C09K11/07C09K11/758
Inventor 赵俊伟陈利娟陈艳红孙龙辉
Owner HENAN UNIVERSITY
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