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205915

Sigma-Aldrich

Platinum black

greener alternative

black, powder, ≤20 μm, ≥99.95% trace metals basis

Synonym(s):

Platinum gray, Pt, Pt Black

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About This Item

Empirical Formula (Hill Notation):
Pt
CAS Number:
7440-06-4
Molecular Weight:
195.08
EC Number:
231-116-1
MDL number:
MFCD00011179
UNSPSC Code:
12161600
PubChem Substance ID:
24852362
NACRES:
NA.22

Quality Level

200

Assay

≥99.95% trace metals basis

form

powder

reaction suitability

core: platinum
reagent type: catalyst

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

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surface area

~25 m2/g

particle size

≤20 μm

greener alternative category

Enabling,

SMILES string

[Pt]

InChI

1S/Pt

InChI key

BASFCYQUMIYNBI-UHFFFAOYSA-N

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Application

Platinum black (black, powder, ≤20 μm) can be electroplated on implantable microelectrode arrays (MEAs) to improve the impedence of the device. It can also be used as a microelectrode for the formation of a microfluidic electrochemical sensor for glucose sensing applications. It can be used as a photocathode for the production of hydrogen.
Platinum black can be used as a catalyst to facilitate the electrochemical reactions in proton exchange membrane (PEM) fuel cells. These fuel cells are promising candidates as a clean and energy efficient power source.

Other Notes

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for energy efficiency. Find details here.

Pictograms

Flame
GHS02

Signal Word

Danger

Hazard Statements

H228

Hazard Classifications

Flam. Sol. 1

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Composition and performance modelling of catalyst layer in a proton exchange membrane fuel cell
Marr C
Journal of Power Sources, 77(1), 17-27 (1999)
Optimum Nafion content in PEM fuel cell electrodes
Sasikumar G
Electrochimica Acta, 50.2-3, 601-605 (2004)
A droplet-based microfluidic electrochemical sensor using platinum-black microelectrode and its application in high sensitive glucose sensing
Gu S, et al.
Biosensors And Bioelectronics, 55, 106-112 (2014)
Improving impedance of implantable microwire multi-electrode arrays by ultrasonic electroplating of durable platinum black
Arcot Desai S, et al.
Frontiers in Neuroengineering, 3, 5-5 (2010)
Revealing the semiconductor-catalyst interface in buried platinum black silicon photocathodes
Aguiar JA, et al.
Journal of Material Chemistry A, 4(21), 8123-8129 (2016)
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