NDLI: Preparation of electro-catalytic Pt nano-particles using gaseous reducing agents

Content Provider	Springer Nature Link
Author	Kozjek Škofic, Irena Matoh, Lev Bukovec, Peter
Copyright Year	2014
Abstract	Electro-catalytically active Pt nano-particles were prepared on conductive substrates using gaseous reducing agents, such as ethylene glycol or propanediol following drop coating of the precursor complex. In view of the low temperature used in the reduction process, this method was also tested on thermally unstable substrates that could be used to fabricate flexible DSSCs. No difference in the particle size and distribution was observed when the reducing agents were changed, indicating that the type of reducing agent plays only a minor role in the formation of the metallic particles. The main difference in respect to the reducing agents was the temperature required for reduction, the highest being 150 °C. The resulting layer had good adhesion to the substrate and a high catalytic surface area. XPS was used to confirm that 100 % of the deposited Pt was in the metallic state. SEM and TEM were used for the determination of the particle size and the distribution of nano-particles. The Pt nano-particles showed promising electro-catalytic activity, as was confirmed by cyclic voltammetry and with their application in dye-sensitized solar cells.
Starting Page	1873
Ending Page	1878
Page Count	6
File Format	PDF
ISSN	00269247
Journal	Monatshefte für Chemie - Chemical Monthly
Volume Number	145
Issue Number	12
e-ISSN	14344475
Language	English
Publisher	Springer Vienna
Publisher Date	2014-09-04
Publisher Place	Vienna
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Pt catalysts Cyclic voltammetry Nanostructures DSSC Deposition Chemistry/Food Science Organic Chemistry Inorganic Chemistry Analytical Chemistry Physical Chemistry Theoretical and Computational Chemistry
Content Type	Text
Resource Type	Article
Subject	Chemistry

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