
Spatially Confined PdHx Metallenes by Tensile Strained Atomic Ru …
2023年3月6日 · Here, we demonstrate highly stable PdH x metallenes with a tensile strained Ru surface layer and reveal the spatial confinement effect of the Ru skin by multiple spectroscopic characterizations and molecular dynamics simulations.
The PdHx metallene with vacancies for synergistically enhancing ...
2022年12月15日 · With the optimal lattice hydrogen atoms and composition, the interstitial V Pd -PdH 0.41 metallene exhibits the great nitrogen reduction (NRR) activity in Li 2 SO 4 solution, among interstitial PdH x with different extent of vacancies, interstitial PdH 0.41 without vacancies and Pd nansheets.
Chemically deposited palladium nanoparticles on graphene for …
2019年3月6日 · We develop a new chemical method to deposit high-density, small-size and uniformly-distributed Pd nanoparticles on graphene. With this method, Pd precursors are connected to the graphene by π-π...
Surface properties of PdAu and PdNi alloys under dynamic …
2025年2月28日 · Surface properties of PdAu and PdNi alloys under H 2 /CO and H 2 /CO 2 exposure were studied by NAP-XPS. Au enrichment to the surface of PdAu alloy was proven to occur, while Pd segregation takes place on the PdNi alloy. NAP-XPS reveals the formation of PdH x and PdC x species.
Temperature-dependent hydrogen storage mechanism in …
2023年3月26日 · The Pd-Kedge EXAFS spectroscopy illustrates three types of hydrogen interaction with Pd-MWCNTs, including weak physical absorption at cryogenic temperature, the PdHx compound formation at room temperature, and the PdHx compound decomposition at high temperature, which takes place at the temperature intervals of …
Novel Palladium Hydride Surface Enabling Simultaneous Bacterial …
2024年5月17日 · In this study, a novel surface design–a palladium hydride (PdH x) film that enables these two distinct features to coexist is introduced. The PdH x lattice captures protons in the extracellular microenvironment of bacteria, disrupting their normal metabolic activities, such as ATP synthesis, nutrient co-transport, and oxidative stress.
Pd基催化,张涛院士/天大巩金龙,最新Nature子刊-CSDN博客
2024年11月16日 · 图1h和1i的原位XPS谱图揭示了Pd₃ZnCx的碳化形成过程,相较于PdZn合金,Pd₃ZnCx样品在Pd 3d5/2和C 1s谱图中呈现特征峰偏移,表明其碳化物性质。
动态条件下 PdAu 和 PdNi 合金的表面性能:NAP-XPS 研 …
2024年11月13日 · 在含 H2、CO 和 CO2 的流下,使用近环境 X 射线光电子能谱 (NAP-XPS) 分析化学沉积的 PdAu 和 PdNi 合金样品。在所有分析条件下,PdAu 样品中都证明了近表面区域的金富集,而在 PdNi 合金中观察到钯向表面的增量。在 Pd 3d 核心水平区域出现的新贡献证明了 PdHx 物质在表面的形成。
动态条件下 PdAu 和 PdNi 合金的表面性能:NAP-XPS 研究
Electroless-deposited PdAu and PdNi alloy samples were analyzed using near-ambient X-ray photoelectron Spectroscopy (NAP-XPS) under H 2, CO, and CO 2-containing streams. Gold enrichment in the near-surface region was evidenced in the PdAu sample under all the analyzed conditions, while palladium increment to the surface was observed in the PdNi ...
制备条件对Pd/C催化剂活性相PdHx的影响?-期刊-万方数据知识服 …
2013年11月7日 · 研究以浸渍-水合肼还原法制备出PdHx含量较高的Pd/C催化剂,通过XRD、XPS和TEM等表征方法研究了还原方式和条件及载体活性炭的预处理条件对催化剂中PdHx含量的影响,以无氢条件下的2,6-二甲基苯酚胺化法合成2,6-二甲基苯胺作为探针反应,验证了PdHx含量 …
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