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

Method for preparing h-MoO3 nano rod in microwave-ultraviolet mode

An h-moo3, nanorod technology, applied in the fields of nanotechnology, nanotechnology, nanotechnology, etc. for materials and surface science, can solve the problems of side reactions, difficult reactions, high reaction temperature, and achieve the reaction cycle. Short, low cost, high purity effect

Active Publication Date: 2013-10-02
SHAANXI UNIV OF SCI & TECH
View PDF1 Cites 5 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Synthesis of h-MoO due to hydrothermal method 3 Nanocrystals have disadvantages such as relatively high reaction temperature and long reaction time, while sonochemical synthesis of h-MoO 3 Nanocrystals have the disa

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
  • Method for preparing h-MoO3 nano rod in microwave-ultraviolet mode
  • Method for preparing h-MoO3 nano rod in microwave-ultraviolet mode

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] 1) Analytical pure ammonium molybdate ((NH 4 ) 6 Mo 7 o 24 4H 2 O) join in deionized water and stir to make the concentration of ammonium molybdate is the solution A of 0.005mol / L;

[0018] 2) After stirring and dissolving solution A evenly, use 3mol / L HNO 3 The solution adjusts the pH value of solution A to 1.0 to obtain solution B;

[0019] 3) Pour solution B into a four-necked round-bottomed flask, put the equipped four-necked round-bottomed flask into a UWave-1000 microwave, ultraviolet, and ultrasonic trinity synthesis extraction reaction apparatus, and fix it, using direct temperature measurement method Temperature measurement (platinum resistance temperature measurement);

[0020] 4) Adopt the microwave-ultraviolet synthesis mode, the power of the ultraviolet lamp is 300W, the central wavelength of the ultraviolet lamp is 365nm, select the temperature-time working mode, set the reaction temperature to 60°C, the time to 100min, the microwave heating time to ...

Embodiment 2

[0023] 1) Analytical pure ammonium molybdate ((NH 4 ) 6 Mo 7 o 24 4H 2 O) join in deionized water and stir to make the concentration of ammonium molybdate is the solution A of 0.01mol / L;

[0024] 2) After stirring and dissolving solution A evenly, use 4mol / L HNO 3 The solution adjusts the pH of solution A to be 1.5 to obtain solution B;

[0025] 3) Pour solution B into a four-necked round-bottomed flask, put the equipped four-necked round-bottomed flask into a UWave-1000 microwave, ultraviolet, and ultrasonic trinity synthesis extraction reaction apparatus, and fix it, using direct temperature measurement method Temperature measurement (platinum resistance temperature measurement);

[0026] 4) Adopt the microwave-ultraviolet synthesis mode, the power of the ultraviolet lamp is 300W, the central wavelength of the ultraviolet lamp is 365nm, select the temperature-time working mode, set the reaction temperature to 70°C, the time to 90min, the microwave heating time to 10min...

Embodiment 3

[0029]1) Analytical pure ammonium molybdate ((NH 4 ) 6 Mo 7 o 24 4H 2 O) join in deionized water and stir to make the concentration of ammonium molybdate is the solution A of 0.008mol / L;

[0030] 2) After stirring and dissolving solution A evenly, use 5mol / L HNO 3 The solution adjusts the pH value of solution A to be 0.8 to obtain solution B;

[0031] 3) Pour solution B into a four-necked round-bottomed flask, put the equipped four-necked round-bottomed flask into a UWave-1000 microwave, ultraviolet, and ultrasonic trinity synthesis extraction reaction apparatus, and fix it, using direct temperature measurement method Temperature measurement (platinum resistance temperature measurement);

[0032] 4) Adopt the microwave-ultraviolet synthesis mode, the power of the ultraviolet lamp is 300W, the central wavelength of the ultraviolet lamp is 365nm, select the temperature-time working mode, set the reaction temperature to 50°C, the time to 120min, the microwave heating time t...

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 discloses a method for preparing an h-MoO3 nano rod in a microwave-ultraviolet mode. The method comprises the following steps of: adding ammonium molybdate into deionized water to obtain a solution A, adjusting the pH value of the solution A to be 0.5-2.0 so as to obtain a solution B, pouring the solution B into a four-neck round-bottom flask and putting into a microwave-ultraviolet-ultrasonic integral synthesis extraction reaction instrument, naturally cooling to be the room temperature after the reaction is accomplished, taking out a product, washing and putting into an electro-thermal vacuum drying tank to be dried so as to obtain the h-MoO3 nano rod. By utilizing the method, the synthesis technique range of h-MoO3 nano crystal is expanded, the process for preparing the h-MoO3 nano rod is simple, raw materials are easy to obtain, the yield is high, the reaction period is short, the cost is low, the h-MoO3 nano rod prepared by using the method is complete in growth and high in purity and has high oriented growth characteristics, and h-MoO3 nano rods can be synthesized in a large scale.

Description

technical field [0001] The present invention relates to a kind of preparation MoO 3 The method of nanorods, especially a method for preparing h-MoO by microwave-ultraviolet 3 nanorod approach. technical background [0002] MoO 3 As an important functional inorganic material, it is the core material of electrochromic, photochromic, gasochromic, gas sensing, intelligent camouflage and other devices. Industry, military and other fields have great application prospects. MoO 3 There are three common crystal structures: thermodynamically stable orthorhombic α-MoO 3 , monoclinic β-MoO with a thermodynamically metastable structure 3 and hexagonal h-MoO 3 . Hexagonal h-MoO 3 Nanocrystals have attracted more and more attention from researchers because of their newer and more superior physical and chemical activities. Looking for h-MoO 3 Simple, effective and rapid synthesis of nanocrystals, exploring h-MoO 3 The theory and application of nanocrystals in optics, electricity...

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): C01G39/02B82Y30/00B82Y40/00
Inventor 曹丽云马凤兰黄剑锋吴建鹏费杰卢靖李翠艳
Owner SHAANXI UNIV OF SCI & TECH
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