2022年3月14日 · The methane to olefins, aromatics, and hydrogen (MTOAH) process via Pt/CeO2 catalysts poses an attractive route to improve yield and stability for the direct catalytic …

Download scientific diagram | a) XANES spectra of Pt foil, PtO2, and Pt SAs/In2S3/Ti3C2 at the Pt L3‐edge. b) FT of the EXAFS at the k3‐weighted R space for Pt SAs/In2S3/Ti3C2 and the …

Pt coordination and PtO2 content resolved with XAFS. A, Change in average coordination of Pt-Pt (black) and Pt-Pt (red) with increased Pt loading obtained by refining EXAFS data measured at …

关键词: 铂单原子催化剂, 同步辐射X射线吸收谱, 金属-载体相互作用 Abstract: As comparison with bulk materials， platinum single-atom catalysts（Pt SACs） that possess almost 100% noble …

This EXAFS database, which consists of just about every scan of data ever taken by Farrel Lytle, is a service of the International X-ray Absorption Society. The site is hosted by the Center for …

2022年5月8日 · 图1.球差电镜测试表征 为了进一步确认Pt单原子在Pt-ZIS中的局部原子结构和电子环境，作者采用拓展X射线吸收精细结构 (EXAFS) 和X射线吸收近边结构 (XANES)测试。 …

a) Fourier transform EXAFS spectrum of the PFARFNs, PtO2, and Pt foil at the Pt L3‐edge. b) EXAFS fitting curves of PFARFNs. The inset of (b) is the proposed Fe–Pt–O structure.

RESULTS AND DISCUSSION Figure 1 summarized the PtLm-edge XANES spectra ofPt and PtO2, aswell as Pt/v-Alz03, Pt-Sn/~,-A1203 andPt-Fe/'f-A1203 catalysts before reduction. It …

2022年7月15日 · Besides, the wavelet-transform EXAFS (Fig. 4 e) with high resolution in both k space and R space was performed and analyzed with the same conclusions. The actual …

2024年3月1日 · Local structural properties at the interface of Pt nanoparticles (NPs) and transition−metal−oxide supports are examined using wavelet−transformed extended X−ray …