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A kind of preparation method and application of calcium cuprate nanosheet

A nanosheet and aspect technology, which is applied in the field of nonlinear optical material preparation, can solve the problem of reducing the size to nanometer scale, and achieve the effect of large third-order nonlinear coefficient.

Active Publication Date: 2022-07-08
FUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Or use the sol-gel method in order to obtain separate particles and smaller sizes of Ca 2 CuO 3 material, but its size is still around 1 μm, and the Ca 2 CuO 3 Single crystal size down to the nanoscale

Method used

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  • A kind of preparation method and application of calcium cuprate nanosheet
  • A kind of preparation method and application of calcium cuprate nanosheet
  • A kind of preparation method and application of calcium cuprate nanosheet

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] a Ca 2 CuO 3 The preparation steps of nanosheets are:

[0026] (1) Weigh 6.28 mmol Ca(NO 3 ) 2 ·4H 2 O, 3.14 mmol Cu(NO 3 ) 2 ·3H 2 O and 12.56 mmol C 6 H 8 O 7 ·H 2 O in a beaker, add 16 mL of diethylene glycol monobutyl ether to dissolve by ultrasonic stirring to obtain a stable blue solution;

[0027] (2) The obtained blue solution was placed in a water bath at 80 °C and stirred at constant temperature for 2 h, and then transferred to an oil bath at 130 °C and stirred at constant temperature for 2 h to obtain a blue-white sticky substance;

[0028](3) The obtained material was transferred to an evaporating dish, placed on a universal electric furnace for evaporation to dryness, and a brown powder was obtained. The obtained brown powder was ground into fine powder, placed in a crucible, sintered at 900 °C for 1 h, cooled naturally and ground again to obtain a bulk powder Ca. 2 CuO 3 ;

[0029] (4) Take 0.75 g bulk powder Ca 2 CuO 3 Put it into a ball ...

Embodiment 2

[0032] a Ca 2 CuO 3 The preparation steps of nanosheets are:

[0033] (1) Weigh 6.28 mmol Ca(NO 3 ) 2 ·4H 2 O, 3.14 mmol Cu(NO 3 ) 2 ·3H 2 O and 18.84 mmol C 6 H 8 O 7 ·H 2 O in a beaker, add 10 mL of diethylene glycol monobutyl ether to dissolve by ultrasonic stirring to obtain a stable blue solution;

[0034] (2) The obtained blue solution was placed in a water bath at 60 °C and stirred at constant temperature for 1 h, and then transferred to an oil bath at 100 °C and stirred at constant temperature for 1 h to obtain a blue-white sticky substance;

[0035] (3) The obtained material was transferred to an evaporating dish, placed on a universal electric furnace for evaporation to dryness, and a brown powder was obtained. The obtained brown powder was ground into fine powder, placed in a crucible, sintered at 600 °C for 1 h, cooled naturally and ground again to obtain a bulk powder Ca. 2 CuO 3 ;

[0036] (4) Take 0.5 g of bulk powder Ca 2 CuO 3 Put it into a ba...

Embodiment 3

[0039] a Ca 2 CuO 3 The preparation steps of nanosheets are:

[0040] (1) Weigh 6.28 mmol Ca(NO 3 ) 2 ·4H 2 O, 3.14 mmol Cu(NO 3 ) 2 ·3H 2 O and 25.12 mmol C 6 H 8 O 7 ·H 2 O in a beaker, add 20 mL of diethylene glycol monobutyl ether to dissolve by ultrasonic stirring to obtain a stable blue solution;

[0041] (2) The obtained blue solution was placed in a water bath at 100 °C and stirred at constant temperature for 3 h, and then transferred to an oil bath at 150 °C and stirred at constant temperature for 3 h to obtain a blue-white sticky mass;

[0042] (3) The obtained material was transferred to an evaporating dish, placed on a universal electric furnace for evaporation to dryness, and a brown powder was obtained. The obtained brown powder was ground into fine powder, placed in a crucible, sintered at 1200 °C for 3 h, cooled naturally and ground again to obtain a bulk powder Ca. 2 CuO 3 ;

[0043] (4) Take 1 g of bulk powder Ca 2 CuO 3 Put it into a ball mi...

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Abstract

The invention discloses a Ca with ultrafast relaxation time 2 CuO 3 The preparation method and application of nanosheet belong to the field of nonlinear optical material preparation. It is based on Ca(NO 3 ) 2 ·4H 2 O, Cu(NO 3 ) 2 ·3H 2 O and C 6 H 8 O 7 ·H 2 O is a raw material, after adding diethylene glycol monobutyl ether for ultrasonic stirring and dissolving, successively stirring in a water bath and an oil bath, then evaporated to dryness, and then the obtained material is ground into fine powder and then sintered to obtain bulk powder Ca 2 CuO 3 , and finally the obtained bulk powder Ca 2 CuO 3 Add ethanol for ball milling to obtain Ca-containing 2 CuO 3 Suspension of nanosheets. The preparation process of the invention is simple, the operation controllability is strong, the thickness of the obtained product is small, and after testing, the obtained Ca 2 CuO 3 Nanosheets have large third-order nonlinear coefficients and ultrafast carrier relaxation times, which are of great significance for the development of photonics and optoelectronics.

Description

technical field [0001] The invention belongs to the field of nonlinear optical material preparation, in particular to a Ca with ultrafast relaxation time 2 CuO 3 Preparation and application of nanosheets. Background technique [0002] Emerging technologies continue to emerge, gradually improving people's lives. Technologies in defense technology, industrial applications, and living facilities all contribute to optoelectronic devices, such as field effect transistors, saturable absorbers, optoelectronic modulators, etc., and optoelectronic materials are the main factor that dominates the performance of these devices. The application of optoelectronic materials has enabled various currently widely used photonic devices (such as pulsed lasers, optical switches, optical modulators, photodetectors, and optical waveguide devices). However, there are still certain requirements for the relevant properties of optoelectronic materials, such as fast carrier mobility, large nonlinear...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01G3/00B82Y30/00B82Y40/00
CPCC01G3/00B82Y30/00B82Y40/00C01P2002/80C01P2002/82C01P2002/72C01P2004/04C01P2004/20C01P2006/60
Inventor 郑晶莹吴文圣郝瑞娴陈奇俤詹红兵
Owner FUZHOU UNIV
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