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Merck
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Key Documents

771937

Sigma-Aldrich

Platinum

nanopowder, 200 nm particle size (SEM), 99.9% (metals basis)

동의어(들):

Platinum black, Platinum element

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About This Item

실험식(Hill 표기법):
Pt
CAS Number:
Molecular Weight:
195.08
EC Number:
MDL number:
UNSPSC 코드:
12352302
PubChem Substance ID:
NACRES:
NA.23

Quality Level

분석

99.9% (metals basis)

형태

nanopowder

반응 적합성

reagent type: catalyst
core: platinum

저항도

10.6 μΩ-cm, 20°C

입자 크기

200 nm (SEM)

bp

3827 °C (lit.)

mp

1772 °C (lit.)

density

21.45 g/cm3 (lit.)

SMILES string

[Pt]

InChI

1S/Pt

InChI key

BASFCYQUMIYNBI-UHFFFAOYSA-N

일반 설명

Platinum nanopowder has a high catalytic activity and is used widely in catalysis, batteries, fuel cells, capacitors and sensors. They are used in the synthesis of counter electrode in dyes sensitized solar cells. Since it is difficult to directly use platinum nanoparticle as the electrode, they are usually surface supported on graphene or multi-walled carbon nanotubes.

애플리케이션

Nanoscale platinum powders possess improved reaction rates compared to bulk powders owing to their high surface area. Platinum nanopowders have found use in applications including in fuel cells and oxidation catalysts.

특징 및 장점

High catalytic functionality, high conductivity and chemical stability in an acid-base environment.

픽토그램

Flame

신호어

Danger

유해 및 위험 성명서

Hazard Classifications

Flam. Sol. 1

Storage Class Code

4.1B - Flammable solid hazardous materials

WGK

nwg

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable


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시험 성적서(COA)

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문서 라이브러리 방문

이미 열람한 고객

Fabrication of platinum nanoparticle counter electrode for highly efficient dye-sensitized solar cells by controlled thermal reduction time
Hoa, N. T. Q., Dao, V. D., & Choi, H. S.
J. Mater. Sci., 49(14), 4973-4978 (2014)
Keith B Male et al.
The Analyst, 132(12), 1254-1261 (2008-03-06)
Platinum nanoparticles were electrodeposited by a multi-potential step technique onto a multi-walled carbon nanotube (MWCNT) film pre-casted on a glassy carbon (GC) or boron-doped diamond (BDD) electrode. The MWCNT network consisted of Pt nanoparticles with an average diameter of 120
Electrodeposited platinum nanoparticles on the multi-walled carbon nanotubes and its electrocatalytic for nitric oxide
Zhang, L., Fang, Z., Zhao, G. C., & Wei, X. W.
International Journal of Electrochemical Science, 3(6), 746-754 (2008)
Yu;X.;Ye;S.;
Journal of Power Sources, 172(1), 145-154 (2007)
A Biologically-Inspired Electrochemical Half-Cell for Light-Driven Generation of Hydrogen
Rebecca A. Grimme and John H. Golbeck
Material Matters, 3(4) (2008)

문서

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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.

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.

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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