Details
| Original language | English |
|---|---|
| Pages (from-to) | 1385-1404 |
| Number of pages | 20 |
| Journal | Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences |
| Volume | 368 |
| Issue number | 1915 |
| Publication status | Published - 28 Mar 2010 |
| Externally published | Yes |
Abstract
This article highlights our recent work concerning the synthesis of metal nanoparticles and their non-ordered superstructures. After a short introduction, the basic synthetic procedures are explained for the nanoparticles used for the assemblies. Furthermore, a fabrication method is itemized for very monodisperse platinum nanoparticles in aqueous solution ranging in diameter from 10 to 100 nm showing distinct optical properties. The next section deals with the synthesis of non-ordered hydro-and aerogels from the asprepared sols. Very light large surface materials from gold, silver, platinum and gold-silver and platinum-silver sols can be fabricated with the given method. Another way to ultralight superstructures of noble metal nanoparticles using fungi as templates is described in the third section. Although fungi grow inside the colloidal solutions they can assemble the nanoparticles onto their surfaces. These hybrid systems are thus extremely interesting supported superstructures for applications in heterogeneous catalysis, since the numbers of nanoparticles on the fungus can easily be tuned, and the fabrication process is cost-effective, environmentally friendly and the organic templates can be easily removed by simple combustion for regaining the noble metal.
Keywords
- Aerogels, Biotemplate, Metal nanoparticles, Non-ordered, Platinum, Superstructures
ASJC Scopus subject areas
- Mathematics(all)
- General Mathematics
- Engineering(all)
- General Engineering
- Physics and Astronomy(all)
- General Physics and Astronomy
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In: Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, Vol. 368, No. 1915, 28.03.2010, p. 1385-1404.
Research output: Contribution to journal › Article › Research › peer review
}
TY - JOUR
T1 - Synthesis of noble metal nanoparticles and their non-ordered superstructures
AU - Bigall, Nadja C.
AU - Eychmüller, Alexander
PY - 2010/3/28
Y1 - 2010/3/28
N2 - This article highlights our recent work concerning the synthesis of metal nanoparticles and their non-ordered superstructures. After a short introduction, the basic synthetic procedures are explained for the nanoparticles used for the assemblies. Furthermore, a fabrication method is itemized for very monodisperse platinum nanoparticles in aqueous solution ranging in diameter from 10 to 100 nm showing distinct optical properties. The next section deals with the synthesis of non-ordered hydro-and aerogels from the asprepared sols. Very light large surface materials from gold, silver, platinum and gold-silver and platinum-silver sols can be fabricated with the given method. Another way to ultralight superstructures of noble metal nanoparticles using fungi as templates is described in the third section. Although fungi grow inside the colloidal solutions they can assemble the nanoparticles onto their surfaces. These hybrid systems are thus extremely interesting supported superstructures for applications in heterogeneous catalysis, since the numbers of nanoparticles on the fungus can easily be tuned, and the fabrication process is cost-effective, environmentally friendly and the organic templates can be easily removed by simple combustion for regaining the noble metal.
AB - This article highlights our recent work concerning the synthesis of metal nanoparticles and their non-ordered superstructures. After a short introduction, the basic synthetic procedures are explained for the nanoparticles used for the assemblies. Furthermore, a fabrication method is itemized for very monodisperse platinum nanoparticles in aqueous solution ranging in diameter from 10 to 100 nm showing distinct optical properties. The next section deals with the synthesis of non-ordered hydro-and aerogels from the asprepared sols. Very light large surface materials from gold, silver, platinum and gold-silver and platinum-silver sols can be fabricated with the given method. Another way to ultralight superstructures of noble metal nanoparticles using fungi as templates is described in the third section. Although fungi grow inside the colloidal solutions they can assemble the nanoparticles onto their surfaces. These hybrid systems are thus extremely interesting supported superstructures for applications in heterogeneous catalysis, since the numbers of nanoparticles on the fungus can easily be tuned, and the fabrication process is cost-effective, environmentally friendly and the organic templates can be easily removed by simple combustion for regaining the noble metal.
KW - Aerogels
KW - Biotemplate
KW - Metal nanoparticles
KW - Non-ordered
KW - Platinum
KW - Superstructures
UR - http://www.scopus.com/inward/record.url?scp=77950293589&partnerID=8YFLogxK
U2 - 10.1098/rsta.2009.0274
DO - 10.1098/rsta.2009.0274
M3 - Article
AN - SCOPUS:77950293589
VL - 368
SP - 1385
EP - 1404
JO - Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
JF - Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
SN - 1364-503X
IS - 1915
ER -