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A preparation method of cobalt oxide/cobalt diselenide heterostructure loaded carbon three nitrogen four composite material

A heterogeneous structure, cobalt diselenide technology, applied in the direction of cobalt oxide/cobalt hydroxide, nickel oxide/nickel hydroxide, chemical instruments and methods, etc., can solve the problems of high cost, affecting large-area use, etc. Uniformity, high mobility, and singular mobility

Active Publication Date: 2022-02-01
HEILONGJIANG INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, g-C in patents and literature reports 3 N 4 The preparation method of composite materials is mainly based on the high-temperature thermal decomposition method with high cost. Due to the high cost, its large-area use is affected, and it is mainly based on the research of photoelectric properties. The simple method is used to prepare heterostructure materials and g-C 3 N 4 Reports on compounding and studying electromagnetic properties are rare

Method used

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  • A preparation method of cobalt oxide/cobalt diselenide heterostructure loaded carbon three nitrogen four composite material
  • A preparation method of cobalt oxide/cobalt diselenide heterostructure loaded carbon three nitrogen four composite material
  • A preparation method of cobalt oxide/cobalt diselenide heterostructure loaded carbon three nitrogen four composite material

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Embodiment 1

[0036] A preparation method of a cobalt oxide / cobalt diselenide heterostructure loaded C3N4 composite material is completed according to the following steps:

[0037] 1. Disperse the Se powder in the octadecene by an ultrasonic disperser to obtain an organic solvent dispersion of the Se powder. The mass fraction of Se powder in the Se powder-octadecene solution is 10%, and the dispersion time is 60 min;

[0038] Second, the g-C 3 N 4 Disperse into ethanol, then disperse into octadecene, heat to remove ethanol. The g-C 3 N 4 The mass fraction is 1%; the volume ratio of ethanol and octadecene is 1:2;

[0039] 3. Disperse the cobalt source in oleylamine to obtain a cobalt dispersion solution; the cobalt source is cobalt acetate. The mass fraction of cobalt acetate is 10%;

[0040] 4. ①Heating the Se powder solution to 80°C to obtain reaction solution I;

[0041] ② Put g-C 3 N 4 Heat the dispersion to 80°C to obtain reaction solution II;

[0042] ③ Heating the cobalt ac...

Embodiment 2

[0049] A preparation method of a cobalt oxide / cobalt diselenide heterostructure loaded C3N4 composite material is completed according to the following steps:

[0050] 1. Disperse the Se powder in octadecene through an ultrasonic disperser to obtain an organic solvent dispersion of Se powder. The mass fraction of Se powder in the Se powder-octadecene solution is 10%, and the dispersion time is 60 min;

[0051] Second, the g-C 3 N 4 Disperse into ethanol, then put the dispersion into octadecene, and remove the ethanol by heating. The g-C 3 N 4 The mass fraction is 1%; the volume ratio of ethanol and octadecene is 1:2;

[0052] 3. Disperse the cobalt source in oleylamine to obtain a cobalt dispersion solution; the cobalt source is cobalt acetate. The mass fraction of cobalt acetate is 10%;

[0053] 4. ①Heating the Se powder solution to 80°C to obtain reaction solution I;

[0054] ② Put g-C 3 N 4 Heat the dispersion to 80°C to obtain reaction solution II;

[0055] ③ Hea...

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Abstract

The invention discloses a method for preparing a cobalt oxide / cobalt diselenide heterostructure-supported C3N4 composite material, which belongs to the field of C3N4-based composite material preparation. The method is as follows: dispersing Se powder in a high boiling point organic solvent to obtain a Se powder dispersion; dispersing the cobalt source into a low boiling point organic solvent, then putting it into a high boiling point organic solvent, heating to remove the low boiling point solvent; The powder dispersion is heated to obtain reaction solution Ⅰ; g-C 3 N 4 Add a low-boiling point organic solvent, then add it to a high-boiling point organic solvent, remove all the low-boiling point solvents, and obtain the reaction solution III; heat the cobalt source solution to obtain the reaction solution IV; mix the reaction solutions I, III, and IV solutions with hydrothermal ; After adding heptane, suction filtration, cleaning, and vacuum drying. The dielectric properties of the material prepared by the invention are suitable for electromagnetic wave absorption materials, and its absorption performance for electromagnetic waves can be regulated by adjusting the load and size.

Description

technical field [0001] The present invention belongs to carbon three nitrogen four (g-C 3 N 4 )-based composite material preparation field, specifically related to a cobalt oxide / cobalt diselenide (CoO / CoSe 2 ) heterostructure loaded C3N4 (g-C 3 N 4 ) method for the preparation of composite materials. Background technique [0002] Graphitized carbon nitride (g-C 3 N 4 ) Due to its unique structure and excellent performance, it has attracted extensive attention in research and application, and its potential value in the fields of energy, catalysis, and sensing has been continuously developed, and it has been widely used in fields such as chemistry, materials, physics, biology, environment, and energy. The application has achieved important results. g-C 3 N 4 After effectively compounding with other different materials, its physical and chemical properties can be further improved, so that g-C 3 N 4 The application field is more extensive. [0003] Chinese patent "T...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05K9/00C01G51/04C01B19/04C01B21/082
CPCC01B21/0605C01G53/04C01B19/007H05K9/0081C01P2004/80C01P2002/72C01P2004/04
Inventor 张丰发布和巴特尔谭雪飞董媛媛王巍张晓萌史鹏刘超张晓晨齐海群
Owner HEILONGJIANG INST OF TECH
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