Abstract
Variable-temperature Pd K-edge X-ray absorption fine structure analysis of SiO2-supported Pd complexes with and without a co-immobilized organic functionality was conducted. Both samples maintained their coordination numbers, interatomic distances, and Debye–Waller factors at temperature of 25–300 K. Based on the obtained results, the Debye–Waller factor differences between these samples were ascribed to static disorder variability caused by the steric effect of the co-immobilized organic functionality.
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Acknowledgements
XAFS measurements were conducted under the approval of the Photon Factory Advisory Committee (Proposal No. 2016G025). This study was supported by the JSPS KAKENHI (Grant No. 15H04182), JSPS Grant-in-Aid for Scientific Re-search on Innovative Areas (Grant Nos. 18H04242, 16H01010, and 26105003), and cooperative research program of Institute for Catalysis, Hokkaido University (Grant #17A1002).
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Motokura, K., Uemura, Y. & Chun, WJ. Variable-Temperature XAFS Analysis of SiO2-Supported Pd–Bisphosphine Complexes With/Without Co-immobilized Organic Functionality. Top Catal 61, 1408–1413 (2018). https://doi.org/10.1007/s11244-018-1042-y
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DOI: https://doi.org/10.1007/s11244-018-1042-y