Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Preparing method of yttrium manganese acid nanometer material

A nanomaterial, yttrium manganate technology, applied in the field of preparation of yttrium manganate nanomaterials, can solve the problems of high production cost, low product purity, high reaction temperature, etc., and achieve easy operation control, simple process route, and low preparation cost Effect

Inactive Publication Date: 2017-02-22
BOHAI UNIV
View PDF0 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The reaction temperature of the solid phase reaction method is high (1000 °C), the reaction is not easy to complete, and impurities often appear; the chemical co-precipitation method is prone to agglomeration during the thermal analysis process; the preparation process of the microemulsion method is complicated and the production cost is relatively high; sol- The reaction process of the gel method is not easy to control, the purity of the obtained product is relatively low, and the synthesis process is relatively complicated and time-consuming.

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 more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Preparing method of yttrium manganese acid nanometer material
  • Preparing method of yttrium manganese acid nanometer material
  • Preparing method of yttrium manganese acid nanometer material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] The molar ratio of yttrium acetylacetonate and manganese acetylacetonate was 1:1, accurately weighed and put into methanol (12C, 99.95%) to fully stir and dissolve. The molar concentration of acetylacetonate was 0.1 mol / L. The resulting mixed solution was subjected to solvothermal reaction, the solvothermal reaction temperature was 200 ° C, and the solvothermal reaction time was 12 hours. After the solvothermal reaction was completed, it was naturally cooled to room temperature, and the product obtained by the reaction was filtered and washed and placed in an oven at a programmed temperature increase rate of 5°C / min, and dried at 120°C for 5 hours. Then place it in a muffle furnace for calcination, the calcination time is 8 hours, the calcination temperature is 500 °C, and the heating rate is 10 °C / min. After natural cooling, the yttrium manganate nanometer material is obtained. The size of the nanoparticles is 20 nm, and the yield of the product is 99.9%. The purity ...

Embodiment 2

[0033] The molar ratio of yttrium acetylacetonate and manganese acetylacetonate is 1:1, accurately weighed and put into methanol (12C, 99.95%) to stir and dissolve. The molar concentration of yttrium acetylacetonate is 0.01 mol / L. The mixed solution obtained is carried out solvothermal reaction, and the solvothermal reaction temperature is 110 ℃, and the solvothermal reaction time is 48 hours. After the solvothermal reaction was completed, it was naturally cooled to room temperature, and the product obtained by the reaction was filtered and washed and placed in an oven at a programmed temperature increase rate of 5°C / min, and dried at 120°C for 2 hours. Then place it in a muffle furnace for calcination, the calcination time is 2 hours, the calcination temperature is 800 °C, and the heating rate is 10 °C / min. After natural cooling, the yttrium manganate nanometer material is obtained. The size of the nanoparticles is 30 nm, and the yield of the product is 99.8%. The purity of...

Embodiment 3

[0035] The molar ratio of yttrium acetylacetonate and manganese acetylacetonate was 1:1, accurately weighed and put into methanol (12C, 99.95%) to stir and dissolve. The molar concentration of yttrium acetylacetonate was 0.2 mol / L. The resulting mixed solution was subjected to solvothermal reaction, the solvothermal reaction temperature was 220 ° C, and the solvothermal reaction time was 6 hours. After the solvothermal reaction was completed, it was naturally cooled to room temperature, and the product obtained by the reaction was filtered and washed and placed in an oven at a programmed temperature increase rate of 5°C / min, and dried at 120°C for 5 hours. Then place it in a muffle furnace for calcination, the calcination time is 4 hours, the calcination temperature is 600 °C, and the heating rate is 10 °C / min. After natural cooling, the yttrium manganate nanometer material is obtained. The size of the nanoparticles is 25 nm, and the yield of the product is 99.8%. The purity...

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

No PUM Login to View More

Abstract

The invention belongs to the field of inorganic nonmetallic materials preparation, and relates to a preparing method of a yttrium manganese acid nanometer material. The method comprises the steps of fully dissolving yttrium acetylacetone and manganese acetylacetone in a methanol solution, conducting a solvothermal reaction, conducting filtering and washing, and then conducting drying and calcination cooling to obtain the yttrium manganese acid material. According to the preparing method of the yttrium manganese acid nanometer material, the technology is simple, convenient and easy, the product purity is high, the preparing cost is low, and the size of the yttrium managanese acid nanometer material is 20-30 nm; in addition, both the homogeneity and the dispersity of the product are good, the manufacturing technique is simple, the sintering temperature is low, and the yttrium manganese acid nanometer material can be easily applied to mass production in practice. As a photocatalytic material, the yttrium manganese acid nanometer material has a high catalytic activity and has wide application prospects in the field of degradation of dyestuff wastewater and indoor noxious gases, photocatalysis sterilization and the like.

Description

technical field [0001] The invention belongs to the technical field of preparation of inorganic non-metallic materials, and in particular relates to a preparation method of yttrium manganate nanometer material. Background technique [0002] Yttrium manganate (YMnO 3 ) has a hexagonal crystal structure and is a representative material in the series of rare earth manganese oxide materials. Due to its ferroelectricity, rare earth manganese oxides with unique electrical, optical, magnetic and properties are currently one of the hotspots in the field of condensed matter physics. It has unique application prospects in ferroelectricity, ferromagnetism, and ferroelectric memory. In recent years, related research reports have shown a rapid growth trend, mainly about the preparation and characterization of ferroelectric materials and devices. At the same time, yttrium manganate is also a semiconductor photocatalytic material, which has photocatalytic activity and can effectively cat...

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
no application Login to View More
IPC IPC(8): C01G45/12B82Y30/00B01J23/34
CPCC01G45/1264B01J23/34C01P2004/03C01P2006/80C01P2004/64B01J35/40B01J35/39
Inventor 许家胜唐爽张杰孙誉东
Owner BOHAI UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com