
Identifying the structure of Zn-N2 active sites and structural ...
2019年6月13日 · Combined EXAFS and XANES spectra analysis confirmed Zn-N 2 as the structure of the active sites. First-principles density-functional theory (DFT) calculations reveal …
Revealing hole trapping in zinc oxide nanoparticles by time ... - Nature
2018年2月2日 · Nanostructures of transition metal oxides, such as zinc oxide, have attracted considerable interest for solar-energy conversion and photocatalysis. Both applications are …
XANES characterizations of amorphous mixed metal oxides derived from Zn ...
2022年12月1日 · The amorphous phase obtained by thermal treatment of Zn/Al-layered double hydroxide (Zn/Al-LDH) was characterized by X-ray absorption near-edge Spectroscopy …
<br>XANES 光谱线性组合拟合分析 Zn/ZSM-5 催化剂中锌形态结 …
By utilizing X-ray absorption near edge spectra (XANES) of various reference samples, this study employed linear combination fitting (LCF) analysis on XANES spectra of real samples to …
Electrolyte Engineering Strategy with Catecholate Type Additive …
5 天之前 · XANES spectra of Zn K-edge are collected to further reveal the PV adsorption mechanism (Figure 4a). The adsorption edge of soaked Zn lies between that of Zn foil and …
南京邮电大学/上海师范大学/淮北师范大学Chemical Science: 多相 …
图7 (a) 一种新颖、简单的电化学敲除方法示意图,用于诱导Zn锌团簇向SAs的结构演化; (b-c) Zn SAs/团簇-碳和Zn SA-碳的Zn K边XANES光谱和FT-EXAFS光谱; (d) 计算出Li + 在所有可能 …
Zinc K-edge XANES spectroscopy of mineral and organic standards
Zinc K -edge X-ray absorption near-edge spectroscopy (XANES) is a valuable tool for determining the solid-phase chemical speciation of zinc across a wide range of disciplines and applications.
硫 K-和 L-边 XANES 和锌、镉和单硫化物的电子结构:比较研 …
1994年7月1日 · 摘要 闪锌矿(立方 ZnS)、纤锌矿(六方 ZnS)、绿石矿(六方 CdS)、间朱砂(立方 HgS)和朱砂(三角 HgS)的 SK 和 L 边 X 射线吸收近边结构 (XANES) 光谱具有使 …
同步辐射:环境科学领域的“显微镜” - 知乎
XANES分析(图3)则揭示了锌的化学形态随沉积物深度的梯度变化:表层沉积物中锌以可迁移形态(如水合锌离子Zn²⁺、碱式碳酸锌Zn5 (CO3)2 (OH)6)为主,而深层沉积物中锌硫化 …
Solvent-free approach for the synthesis of heterometallic Fe–Zn …
2025年1月28日 · Interestingly, EXAFS at the Zn K-edge shows spectra with a similar profile in all the cases (Fig. S23 †) and only minor differences in the XANES region previously attributed to …