1999年7月1日 · XPS experiments were performed using ESCALAB 200R spectrometer from Fisons Instruments, including a hemispherical analyzer adjusted at 50 eV pass energy. The measurements were performed with a MgKα non-monochromated X-ray source.

2020年9月1日 · XPS depth profile analysis using synchrotron radiation at variable X-ray excitation energy shows an enrichment of PdC on the upper layers of the catalyst, independently of the organic precursor used in the hydrothermal synthesis. In detail, at a sample thickness of 1.9 nm 56–60% Pd carbide is observed, and around 66–43 % at a depth of 4.7 nm.

2018年1月1日 · The XPS high-resolution orbital scan of Pd 3d, shown in Figure 3 (a), highlights the differences between Pd (0)-Bi and Pd (II)-Bi. In particular, two peaks at binding energies (BE) of 342.5 and 337.2 eV were each observed in both spectra, possibly derived from the palladium precursor, PdCl 2.

2009年8月30日 · The low-temperature oxidation of polycrystalline palladium by RF oxygen plasma was studied via X-ray photoelectron spectroscopy (XPS) and scanning electron microscopy (SEM). Detailed information about the electronic states of palladium and oxygen was obtained based on the XPS curve fitting analysis of Pd3d and Pd3p + O1s lines.

Employing physical vapour deposition of Pd on sputtered surfaces of highly oriented pyrolytic graphite (HOPG), model catalysts were prepared that are well-suited for characterization by X-ray photoelectron spectroscopy (XPS) and scanning tunneling microscopy (STM).

通过双溶剂法制备样品，以形成具有大比表面积，高度分散的Pd0（元素钯）和丰富的吸附氧的催化剂，其特征是通过X射线光电子能谱（XPS），Brunauer-Emmett-Teller（ BET）和透射电子显微镜（TEM）。

Pd 和 PdO 的 Pd3d5/2 结合能分别为 335.4 eV 和 336.8 eV。 虽然最广泛使用的 M4,5 VV 俄歇结构对于纯 Pd 是相当明确的，在 327.5 eV 的动能处测得峰值最大值，但 PdO 的情况并非如此。 因此，很难比较这两种化合物的 Pd3d-MVV 俄歇参数。 这主要是由于价带结构的强烈变化。 相反。 强度较低的 M4,5N2,3N2,3 俄歇峰的形状，这意味着只有 Pd3d 和 Pd4p 核心水平，在 Pd 和 PdO 之间没有太大变化。 对于 Pd 和 PdO，MNN 俄歇峰的最大值分别在 242.8 eV 和 240.5 eV 处 …

2018年1月2日 · The resulting surface complex is characterized by inductively coupled plasma atomic emission spectroscopy (ICP-AES), X-ray photoelectron spectroscopy (XPS), X-ray absorption spectroscopy (XAS), and dynamic nuclear polarization surface-enhanced solid-state nuclear magnetic resonance spectroscopy (DNP SENS).

2022年3月1日 · Reductive catalysis by zero-valent palladium nanoparticles (Pd 0 NPs) has emerged as an efficient strategy for promoting the detoxification of chlorophenols (CPs) via hydrogenation.

2022年10月1日 · The XPS of Pd-3d further shows that Pd 2+ / (Pd 0 + Pd 2+) ratio decreases to 22.6 % over the 20Pd/10Al 2 O 3 /CeO 2 (Figure S13). Therefore, the Pd-CeO 2 interface can maintain a high and stable Pd 2+ / (Pd 0 + Pd 2+) ratio for a high oxidation activity.