The present invention relates in part to a method of fabricating multimetallic nanoparticles, the method comprising the steps of providing a substrate; activating the substrate surface; adsorbing a cationic transition metal complex onto the substrate surface to form a substrate-supported cationic transition metal complex; adsorbing an anionic transition metal complex onto the substrate-supported cationic transition metal complex to form a substrate-supported multimetallic complex salt; and reducing the substrate-supported multimetallic complex salt to provide a plurality of multimetallic nanoparticles. The invention also relates in part to a composition of multimetallic nanoparticles comprising at least two metals M.sub.a and M.sub.b; wherein the ratio of M.sub.a to M.sub.b is between about 2:1 and about 1:2.

The present specification relates to a method for preparing nanoparticles supported on a carrier, and nanoparticles supported on a carrier, prepared thereby.

A method of forming metallic particles, comprising: providing precursor particles comprising a transition metal alloy; supplying carbon monoxide (CO) under reaction conditions which differentially remove a first alloy metal from the precursor particles at a faster rate than a second alloy metal; and, maintaining the reaction conditions until the precursor particles are converted to the particles. The precursor particles may comprise PtNi.sub.4, and the particles may be Pt.sub.3Ni, formed as hollow nanoframes on a carbon support.

A dual function composite oxygen transport membrane having a layered structure of mixed conducting oxygen transport materials on a first side of a porous substrate and a reforming catalyst layer on an opposing second side of the porous substrate. The layered structure of the mixed conducting oxygen transport materials contains an intermediate porous layer of mixed conducting oxygen transport materials formed on the porous substrate with a dense impervious layer of mixed conducting oxygen transport materials over the intermediate porous layer, and an optional surface exchange layer of mixed conducting oxygen transport materials over the dense impervious layer. The layered structure and the reforming catalyst layer are formed in separate steps.

The present invention relates to a method for producing 1-octanol comprising a contact step between ethanol, n-hexanol and two catalysts A and B, wherein catalyst A comprises a metal oxide comprising Ga and a noble metal and catalyst B comprises a metal oxide comprising Cu, Ni or any mixture thereof.

Continuous processes for making ethylene glycol form aldohexose-yielding carbohydrates are disclosed which enhance the selectivity to ethylene glycol.

Nanoporous oxygen reduction catalyst material comprising PtNiIr, the catalyst material preferably having the formula Pt.sub.xNi.sub.yIr.sub.z, wherein x is in a range from 26.6 to 47.8, y is in a range from 48.7 to 70, and z is in a range from 1 to 11.4. The nanoporous oxygen reduction catalyst material is useful, for example, in fuel cell membrane electrode assemblies.

Continuous processes for making ethylene glycol form aldohexose-yielding carbohydrates are disclosed which enhance the selectivity to ethylene glycol.

Provided are: a dry reforming catalyst, in which a noble metal (M) is doped in a nickel yttria stabilized zirconia complex (Ni/YSZ) and an alloy (M-Ni alloy) of the noble metal (M) and nickel is formed at Ni sites on a surface of the nickel yttria stabilized zircona (YSZ); a method for producing the dry reforming catalyst using the noble metal/glucose; and a method for performing dry reforming using the catalyst. The present invention can exhibit a significantly higher dry reforming activity as compared with Ni/YSZ catalysts. Furthermore, the present invention can have an improved long-term performance by suppressing or preventing the deterioration. Furthermore, the preparing method is useful in performing the alloying of noble metal with Ni at Ni sites on the Ni/YSZ surface and can simplify the preparing process, and thus is suitable in mass production.

Novel catalysts comprising nickel oxide nanoparticles supported on alumina nanoparticles, methods of their manufacture, heavy oil compositions contacted by these nanocatalysts and methods of their use are disclosed. The novel nanocatalysts are useful, inter alia, in the upgrading of heavy oil fractions or as aids in oil recovery from well reservoirs or downstream processing.