Pal et al., 2014 - Google Patents
Galvanic replacement of As (0) nanoparticles by Au (III) for nanogold fabrication and SERS applicationPal et al., 2014
View PDF- Document ID
- 1639461354997432700
- Author
- Pal A
- Saha S
- Maji S
- Sahoo R
- Kundu M
- Kundu A
- Publication year
- Publication venue
- New Journal of Chemistry
External Links
Snippet
A galvanic replacement reaction between As (0) nanoparticles and Au (III) ions has been reported for the first time. Initially the stable yellow-brown As (0) nanoparticles were prepared by the borohydride reduction of an arsenite solution. The characterization of the As …
- 238000004416 surface enhanced Raman spectroscopy 0 title abstract description 49
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
- B22F1/00—Special treatment of metallic powder, e.g. to facilitate working, to improve properties; Metallic powders per se, e.g. mixtures of particles of different composition
- B22F1/0003—Metallic powders per se; Mixtures of metallic powders; Metallic powders mixed with a lubricating or binding agent
- B22F1/0007—Metallic powder characterised by its shape or structure, e.g. fibre structure
- B22F1/0011—Metallic powder characterised by size or surface area only
- B22F1/0018—Nanometer sized particles
- B22F1/0022—Dispersions or suspensions thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
- B22F1/00—Special treatment of metallic powder, e.g. to facilitate working, to improve properties; Metallic powders per se, e.g. mixtures of particles of different composition
- B22F1/0003—Metallic powders per se; Mixtures of metallic powders; Metallic powders mixed with a lubricating or binding agent
- B22F1/0007—Metallic powder characterised by its shape or structure, e.g. fibre structure
- B22F1/0011—Metallic powder characterised by size or surface area only
- B22F1/0018—Nanometer sized particles
- B22F2001/0037—Complex form nanoparticles, e.g.. prism, pyramid, octahedron
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
- B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/65—Raman scattering
- G01N21/658—Raman scattering enhancement Raman, e.g. surface plasmons
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