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Fractal porosity in metals synthesized by a simple combustion reaction

AuthorsGómez-Romero, P. ; Fraile, Julio ; Ballesteros, Belén
Issue Date2013
PublisherRoyal Society of Chemistry (UK)
CitationRSC Advances 3(7): 2351-2354 (2013)
AbstractA simple modification of a combustion method has been used for the production of ultraporous metals in air. Nitrates of different metallic elements were reacted with glycine as a reducing fuel. The glycine to nitrate ratio can be simply used to control the formation of oxides or, in the case of fuel-rich mixtures, the formation of metals such as Ni, Co, Cu or Ag. Furthermore, the metallic monoliths obtained present a remarkable porosity of fractal nature (from macro to nano scales) with pores ranging from many microns down to at least 5 nm. This exceedingly simple approach shows the way for the design and synthesis of complex porous microstructures of metals for the wide variety of applications where interface optimization is crucial. © 2013 The Royal Society of Chemistry.
Identifiersdoi: 10.1039/C2RA22441K
e-issn: 2046-2069
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(CIN2) Artículos
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