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The influence of Cu2O and CuO to Pd/C electrocatalytic activities on ethanol electrooxidation in KOH solution was investigated. Pd/C, Pd-Cu2O/C and Pd-CuO/C were synthesized and characterized by powder X-ray diffraction. The electrocatalytic activities were studied by Cyclic Voltammetry. The results show that catalytic activity of Pd/C for ethanol in KOH solution can be improved by Cu2O and CuO. When...
In this study, the catalytic activities of Raw CNTs and Co/CNTs for CO removal were determined between 100 and 300°C. To confirm the characterization of Raw CNTs and Co/CNTs, the composition and morphology of two catalysts were analyzed by using XRD, SEM, TEM and Raman spectra. The results showed that the CO conversion was 98% by using Raw CNTs at 250°C and this conversion was similar to that of using...
The enhanced oxidation of Cu on Ru/diffusion barriers was observed. The in-situ X-ray diffraction results reveal that the Cu oxidation can be inhibited by doping C in either Ru adhesion layer or TaN barrier layer. The RuC/barrier becomes more robust with certain amount of C doped in Ru. ALD Cu2O on the RuC substrate was carried out and the effect of C on reduction of Cu oxide was observed.
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