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  Catalytic platinum layers for dye solar cells: A comparative study

Khelashvili, G., Behrens, S., Weidenthaler, C., Vetter, C., Hinsch, A., Kern, R., et al. (2006). Catalytic platinum layers for dye solar cells: A comparative study. Thin Solid Films, 511-512, 342-348. doi:10.1016/j.tsf.2005.12.059.

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 Creators:
Khelashvili, Guram1, 2, Author           
Behrens, Silke1, Author
Weidenthaler, Claudia3, Author           
Vetter, Carmen4, Author
Hinsch, Andreas4, Author
Kern, Rainer4, Author
Skupien, Krzysztof5, Author
Dinjus, Eckhard1, 2, Author           
Bönnemann, Helmut1, 6, Author           
Affiliations:
1Forschungszentrum Karlsruhe, ITC-CPV, Post Box 3640, D-76021 Karlsruhe, Germany, ou_persistent22              
2University of Heidelberg, D-69117 Heidelberg, Germany, ou_persistent22              
3Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445589              
4Fraunhofer Institute for Solar Energy Systems, Heidenhofstr. 2. 79110 Freiburg, Germany, ou_persistent22              
5Cracow University of Technology, Al. Jana Pawla II 37; 31-864 Krakow, Poland, ou_persistent22              
6Research Group Bönnemann, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445600              

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Free keywords: Dye solar cell; Platinized counter electrode; Platinum nanoparticles; Platinum-tin dioxide film
 Abstract: Comparative investigations concerning the preparation and characterization of zerovalent platinum nanoparticles to be used as precursors for dye-sensitized solar cells (DSSCs) have been carried out. Pt nanopowders were prepared via triorganohydroborate reduction, polyol method, hydrogen reduction, and thermal decomposition of complex compounds. The powders resulting from the various sources were then immobilized on support. Subsequently, the size and crystalline structure of the particles were examined using Transmission Electron Microscopy (TEM), X-Ray diffraction (XRD). The metallic state of the platinum surface- and core-atoms were studied by X-Ray Photoelectron Spectroscopy (XPS) and X-Ray Absorption Near Edge Structure (XANES) analysis. The platinum nanoparticles resulting from the various preparation pathways were each incorporated in a printable platinum paste and then printed on transparent conductive (TCO) glass. After thermal treatment (at 630 °C) the electrochemical performance of the different platinum layers obtained in this study was compared applying impedance spectroscopy. The charge transfer resistance was best observed for the catalyst prepared by the hydrogen reduction method.

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Language(s): eng - English
 Dates: 2006-01-192006-07-26
 Publication Status: Published in print
 Pages: 7
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1016/j.tsf.2005.12.059
 Degree: -

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Title: Thin Solid Films
  Abbreviation : Thin Solid Films
Source Genre: Journal
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Publ. Info: Lausanne, Switzerland, etc. : Elsevier
Pages: - Volume / Issue: 511-512 Sequence Number: - Start / End Page: 342 - 348 Identifier: ISSN: 0040-6090
CoNE: https://pure.mpg.de/cone/journals/resource/954925449792