Initial Assessment of Alternate Metals in Chalcogels
Initial Assessment of Alternate Metals in Chalcogels This report provides an up-to-date account of the non-Pt based chemistries available in the literature for making non-oxide, chalcogen-based aerogels, called chalcogels. In each case, a combination of multiple precursors is required to make the chalcogels and, in most cases, the precursors are not commercially available and must be prepared in the laboratory. References for the preparation details of these precursors have been provided for each. An account of the chalcogels made at PNNL is also given in this report along with iodine sorption efficiencies for three very diverse chalcogel chemistries. A brief account of consolidation options is provided.
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