Operando XAFS of supported Pd nanoparticles in flowing ethanol/water mixtures: implications for catalysis

Operando XAFS of supported Pd nanoparticles in flowing ethanol/water mixtures: implications for catalysis
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DOI:
10.1039/c5gc01600b
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发表时间:
2016-01-01
期刊:
影响因子:
9.8
通讯作者:
Hii, King Kuok (Mimi)
Hii, King Kuok (Mimi)
中科院分区:
化学1区
文献类型:
--
作者:
Newton, Mark A.;Brazier, John B.;Hii, King Kuok (Mimi)

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乙醇-水,一种典型的“绿色”溶剂混合物,不能被认为对负载型Pd纳米颗粒是惰性的。我们建立了严重的尺寸依赖于Pd的氧化还原行为,在Pd相的活塞流的情况下,持久的梯度,和Pd纳米粒子与来自溶剂的氢污染。
Ethanol-water, a prototypical 'green' solvent mixture, cannot be considered as inert toward supported Pd nanoparticles. We establish severe size dependencies in Pd redox behavior, persistent gradients in Pd phase in a plug-flow situation, and that Pd nanoparticles are contaminated with hydrogen derived from the solvent.