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Sigma-Aldrich

Platinum, nanoparticle dispersion

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

Synonym(s):
Platinum colloid, Pt NP, Pt dispersion
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

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Gold nanoparticles 60 nm diameter, OD 1, stabilized suspension in citrate buffer

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particle size

3 nm

particle size

-

particle size

-

particle size

-

assay

99.99% trace metals basis

assay

-

assay

-

assay

-

reaction suitability

reagent type: catalyst
core: platinum

reaction suitability

-

reaction suitability

-

reaction suitability

-

concentration

1,000 ppm in H2O

concentration

~1.9E+10 particles/mL

concentration

~7.8E+9 particles/mL

concentration

~7.2E+10 particles/mL

density

0.997 g/mL at 25 °C

density

-

density

-

density

-

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.

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Lee; C.;
Journal of Electronic Materials, 34, 1-11 (2005)
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)
L Martinaga Pintarić et al.
Polymers, 12(6) (2020-05-30)
In this research, a textile surface was modified by the sol-gel methodology with a new antimicrobial coating containing nanoparticles active against bacteria resistant to antibiotics. The effect of ultrasonic irradiation power (40 to 90 kHz), the concentration of reagents (nanoparticles

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