Unlock instant, AI-driven research and patent intelligence for your innovation.

Preparation method of dendrite-structured Cu-Pt nano-flower particles

A technology of nanoflowers and dendrites, applied in the fields of nanotechnology, nanotechnology, nanotechnology for materials and surface science, etc., can solve the problems of low specific surface area of ​​Cu-Pt nanoparticles, and achieve wide application prospects and high practicality. Application value, high yield effect

Active Publication Date: 2016-12-14
CENT SOUTH UNIV
View PDF5 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In addition, the specific surface area of ​​ordinary spherical or polyhedral Cu-Pt nanoparticles prepared in the prior art is low, which cannot meet the increasingly high application requirements.

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
  • Preparation method of dendrite-structured Cu-Pt nano-flower particles
  • Preparation method of dendrite-structured Cu-Pt nano-flower particles
  • Preparation method of dendrite-structured Cu-Pt nano-flower particles

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Weigh 85mg CuCl 2 2H 2 O, 110mg PVP, 440mg ascorbic acid, dissolve these three reagents in 10ml ethylene glycol, stir to dissolve. Nitrogen was passed through the above mixed solution for 5 minutes, and then put into an oil bath furnace to react at 80° C. for 50 minutes, and the solution turned light brown. Then measure 3ml of ethanol solution of chloroplatinic acid (concentration: 0.1mmol / mL, the same below) and add it to the above solution, raise the temperature of the oil bath to 140°C for 1h, and cool to room temperature with the furnace. The product was centrifuged, washed with water and ethanol respectively, and the final product was dispersed in ethanol for preservation.

Embodiment 2

[0044] Weigh 85mg CuCl 2 2H 2 O, 110mg PVP, 176mg ascorbic acid, dissolve these three reagents in 10ml ethylene glycol and 3ml oleic acid, stir to dissolve. Nitrogen was passed through the above mixed solution for 5 minutes, and then put into an oil bath furnace to react at 80° C. for 50 minutes, and the solution turned light brown. After that, 3ml of chloroplatinic acid ethanol solution was measured and added to the above solution, and the temperature of the oil bath was raised to 140°C for 1 hour of reaction, and then cooled to room temperature with the furnace. The product was centrifuged, washed with water and ethanol respectively, and the final product was dispersed in ethanol for preservation.

Embodiment 3

[0046] Weigh 85mg CuCl 2 2H 2 O, 110mg PVP, 264mg ascorbic acid, dissolve these three reagents in 10ml ethylene glycol and 3ml oleic acid, stir to dissolve. Nitrogen was passed through the above mixed solution for 5 minutes, and then put into an oil bath furnace to react at 80° C. for 50 minutes, and the solution turned light brown. After that, 3ml of chloroplatinic acid ethanol solution was measured and added to the above solution, and the temperature of the oil bath was raised to 140°C for 1 hour of reaction, and then cooled to room temperature with the furnace. The product was centrifuged, washed with water and ethanol respectively, and the final product was dispersed in ethanol for preservation.

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 provides a preparation method of dendrite-structured Cu-Pt nano-flower particles. The preparation method comprises the following steps: (1) mixing CuCl2.2H2O, polyvinylpyrrolidone, ascorbic acid and ethylene glycol, and introducing nitrogen gas and sufficiently dispersing the nitrogen gas to a whole reaction system; (2) heating the mixture to 60 DEG C-100 DEG C and reacting; (3) adding a chloroplatinic acid solution and further heating the mixture to 120 DEG C-180 DEG C, and reacting and cooling the fixture; and (4) conducting separating and washing to obtain a product, wherein the mol ratio of the CuCl2.2H2O to the chloroplatinic acid is 5 to 3. The dendrite-structured Cu-Pt nano-flower particles are successfully prepared; a preparation process is simple and a preparation period is short; the dendrite-structured Cu-Pt nano-flower particles have a larger specific surface area and a better application prospect when being compared with Cu-Pt nano-particles with a common cubic shape.

Description

technical field [0001] The invention relates to a method for preparing Cu-Pt nano flower particles with a dendrite structure, and belongs to the technical field of inorganic nano material preparation. Background technique [0002] Noble metal nanomaterials have been extensively studied and applied due to their superior properties compared with traditional materials in terms of light, electricity, magnetism, and catalysis. After decades of development, noble metal nanoparticles are no longer limited to the preparation of nanoparticles with a specific particle size and good dispersion, but have turned to the preparation of particles with various specific shapes in order to give full play to the unique properties of nanomaterials . [0003] The current research on the morphology of platinum nanoparticles mainly focuses on the influence of the surface morphology of nanoparticles on the catalytic activity. The surface structure of platinum catalysts plays an important role in m...

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): B22F9/24B22F1/00B82Y40/00B82Y30/00
CPCB82Y30/00B82Y40/00B22F9/24B22F1/07
Inventor 齐卫宏彭宏程吴灏斐
Owner CENT SOUTH UNIV
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

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

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com