Yolk-eggshell structure Au@ hollow carbon nanosphere composite material and preparation and application thereof
A technology of carbon nanospheres and composite materials, applied in the field of materials, can solve the problems of low porosity of the carbon shell, unfavorable precious metal yolk core, hindering the basic application research and industrialization process of nanocomposites, and achieve good catalytic effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0037] Prepare a kind of egg yolk-eggshell structure Au hollow carbon nanosphere composite material according to the following steps:
[0038] (1) Weigh 0.0216g of HAuCl 4 Dissolve in 237.5mL deionized water, add it to a 500mL three-necked flask equipped with a water conduit, reflux condenser, vacuum plug, and magnet, stir vigorously with a magnet, heat to reflux, and heat to boiling to obtain a chloroauric acid solution ; Weigh 0.125g of trisodium citrate and dissolve it in 12.5mL of deionized water to obtain an aqueous solution of sodium citrate, then quickly add it to the chloroauric acid solution at one time, continue to heat and reflux for 30min, and cool to room temperature to obtain nano-gold hydrosol;
[0039] (2) Centrifuge the nano-gold hydrosol prepared in step (1) (11800rpm, centrifuge for 30min), remove the supernatant, concentrate to 30-40mL, add 6mL of prepared TritonX-100 solution (0.01g / mL ), add deionized water according to the actual solution amount to make...
Embodiment 2
[0047] Prepare a kind of egg yolk-eggshell structure Au hollow carbon nanosphere composite material according to the following steps:
[0048] (1) Weigh 0.0216g of HAuCl 4 Dissolve in 237.5mL deionized water, add it to a 500mL three-necked flask equipped with a water conduit, reflux condenser, vacuum plug, and magnet, stir vigorously with a magnet, heat to reflux, and heat to boiling to obtain a chloroauric acid solution ; Weigh 0.125g of trisodium citrate and dissolve it in 12.5mL of deionized water to obtain an aqueous solution of sodium citrate, then quickly add it to the chloroauric acid solution at one time, continue to heat and reflux for 30min, and cool to room temperature to obtain nano-gold hydrosol;
[0049] (2) Centrifuge the nano-gold hydrosol prepared in step (1) (11800rpm, centrifuge for 30min), remove the supernatant, concentrate to 30-40mL, add 6mL of prepared TritonX-100 solution (0.01g / mL ), add deionized water according to the actual solution amount to make...
Embodiment 3
[0053] Prepare a kind of egg yolk-eggshell structure Au hollow carbon nanosphere composite material according to the following steps:
[0054] (1) Weigh 0.0216g of HAuCl 4 Dissolve in 237.5mL deionized water, add it to a 500mL three-necked flask equipped with a water conduit, reflux condenser, vacuum plug, and magnet, stir vigorously with a magnet, heat to reflux, and heat to boiling to obtain a chloroauric acid solution ; Weigh 0.125g of trisodium citrate and dissolve it in 12.5mL of deionized water to obtain an aqueous solution of sodium citrate, then quickly add it to the chloroauric acid solution at one time, continue to heat and reflux for 30min, and cool to room temperature to obtain nano-gold hydrosol;
[0055] (2) Centrifuge the nano-gold hydrosol prepared in step (1) (11800rpm, centrifuge for 30min), remove the supernatant, concentrate to 30-40mL, add 6mL of prepared TritonX-100 solution (0.01g / mL ), add deionized water according to the actual solution amount to make...
PUM
Property | Measurement | Unit |
---|---|---|
Concentration | aaaaa | aaaaa |
Diameter | aaaaa | aaaaa |
Specific surface area | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
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