Preferential oxidation of carbon monoxide adsorbed on Pd submonolayer films deposited on Pt(1 0 0) |
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| Institution: | 1. Department of Materials Science and Engineering, School of Engineering, Shiraz University, 7134851154 Shiraz, Iran;2. Jiangsu Province Engineering Laboratory of High Efficient Energy Storage Technology and Equipments, China University of Mining and Technology, Xuzhou 221116, China;1. Université Hassan 1er, Laboratoire Rayonnement–Matière et Instrumentation, S3M, FST Settat, Morocco;2. Materials Science and Nano-engineering (MSN), University Mohammed VI Polytechnic, Lot 660 Hay Moulay Rachid, 43150 Ben Guerir, Morocco;3. Material Physics Laboratory, Faculty of Sciences and Techniques, Sultan Moulay Sliman University, B.P. 523, 23000 Beni-Mellal, Morocco;4. LPMMAT, Faculté des Sciences Ain Chock, Université Hassan II de Casablanca, Mâarif, 5366 Casablanca, BP, Morocco |
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| Abstract: | The electrochemical behavior of palladium modified Pt(1 0 0) in perchloric acid solution has been studied by means of cyclic voltammetry, CO bulk oxidation and in-situ Fourier transform infrared (FTIR) spectroscopy. FTIR spectra on Pd submonolayers reveal that at low potentials (about 0.4 V) Pd-bounded CO is oxidized preferentially, whereas at the same time the Pt–CO oxidation rate is rather slow. |
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