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A specially-designed catalysis reaction cell was used for acquiring X-ray Absorption Near Edge Structure (XANES) with heating and gas treatment in an intermediate-X-ray energy regime (∼2.1–4keV) at the Advanced Photon Source beamline 9-BM. In situ X-ray measurements in this energy range can be complicated due to absorption by cell components, the reaction gases themselves, air surrounding the reaction...
The addition of small quantities of gold to the surface of supported nickel catalysts has been described as a means to retard carbon formation during hydrocarbon steam reforming. Calculations by others have indicated that gold locates at the most catalytically active (step and edge) sites that also serve as nucleation sites for carbon formation. In this paper, we describe experiments to characterize...
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