773875

Sigma-Aldrich

Platinum, nanoparticle dispersion

3 nm particle size, 1,000 ppm in H2O, 99.99% trace metals basis

Synonym(s):
Platinum colloid, Pt dispersion, Pt NP
Empirical Formula (Hill Notation):
Pt
Molecular Weight:
195.08
MDL number:
PubChem Substance ID:
NACRES:
NA.23

Quality Level

assay

99.99% trace metals basis

form

dispersion
nanoparticle

reaction suitability

reagent type: catalyst
core: platinum

concentration

1,000 ppm in H2O

particle size

3 nm

density

0.997 g/mL at 25 °C

InChI

1S/Pt

InChI key

BASFCYQUMIYNBI-UHFFFAOYSA-N

Application

Platinum nanoparticles are used in several important catalytic applications including fuel cells and photocatalysts. Platinum nanocrystal arrays have also been studied as nonvolatile memory systems.

Packaging

25 mL in Sure/Seal™

Certificate of Analysis

Certificate of Origin

Yongyan Mu et al.
The journal of physical chemistry. B, 109(47), 22212-22216 (2006-07-21)
We report a novel process to prepare well-dispersed Pt nanoparticles on CNTs. Pt nanoparticles, which were modified by the organic molecule triphenylphosphine, were deposited on multiwalled carbon nanotubes by the organic molecule, which acts as a cross linker. By manipulating...
Wang; X.;
Chemistry (Weinheim An Der Bergstrasse, Germany), 11, 2997-3004 (2005)
Lee; C.;
Journal of Electronic Materials, 34, 1-11 (2005)
Articles
Electronically, it behaves as a wide band gap (3.2 eV) semiconductor and exhibits memristor properties.2 Optically, TiO2 has high opacity with a very high refractive index3 (>2.4), and it exhibits strong absorbance in the UV range.
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The production of hydrogen by catalytic water splitting is important for a wide range of industries including renewable energy petroleum refining and for the production of methanol and ammonia in the chemical industry.
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The past several decades have seen major advancements in the synthesis of metal nanomaterials. Most recently, controlled synthesis has become versatile enough to regulate the exact number of atoms and ligands of very small metal nanoparticles, referred to as “clusters”.
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