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Microwave-Assisted Self-Propagating Combustion Synthesis for Uniform Deposition of Metal Nanoparticles on Ceramic Monoliths

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Zavyalova,  Ulyana
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Girgsdies,  Frank
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Korup,  Oliver
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Horn,  Raimund
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Schlögl,  Robert
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Citation

Zavyalova, U., Girgsdies, F., Korup, O., Horn, R., & Schlögl, R. (2009). Microwave-Assisted Self-Propagating Combustion Synthesis for Uniform Deposition of Metal Nanoparticles on Ceramic Monoliths. Journal of Physical Chemistry C, 113(40), 17493-17501. doi:10.1021/jp905692g.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0010-F912-7
Abstract
A new microwave-assisted gel-combustion synthesis in self-propagating mode was developed for the deposition of adhesive metal nanoparticles on ceramic substrates. Pt particles with diameters less than 10 nm uniformly distributed on corundum foams were prepared by the fast and reliable combustion method with no additional calcination or reduction steps. The results are rationalized in terms of the exothermic combustion of the glycerol-chelated metal precursor and subsequent in situ reduction assisted by the formed amorphous carbon absorbing microwave radiation.