SpectraCellulose is an example of a material that responds to XPS by the creation of new chemistry not present in the as-received sample. While improvements in instrumentation may be seen in general as beneficial to surface science, recent studies have shown that the consequences for some ...
图1 (a) 制备流程图;(b) XRD pattern; (c-g) XPS spectra of Co 2p, Ni 2p, Zn 2p, O 1s和 C1s. 在制备过程中,缺氧的退火环境对样品的形貌和微观结构用重要的影响,如图1 (a),在此条件下获得了具有纳米花结构的ZnO...
在半电池中循环时,3D打印的 Co3O4@C/rGO电极能够在 1mA cm-2和1mAh cm-2条件下循环超过 3950 次,CE 高达99.87%(在 10 mA cm-2/10 mAh cm-2 条件下循环 1000 小时,CE 高达99.85%)。原位 TEM 和原位光学显微镜观察...
SupplementaryFigure1.XPSC1sandO1sspectraoftheCo-NG. SupplementaryFigure2.STEM-EDSmeasurementoftheCo-NGtakenintheregionshownin Fig.2e.ThespectrumshowsthepresenceoftheCo,N,CandOfromthesample.TheAusignal isfromtheTEMgrid.TheSisignaloccursfromthespuriousSiemissionfromtheEDSdetector. 291289287285283 O-C=O C...
^Figure 3. (a) Wide-scan, (b) Zn 2p, (c) Fe 2p, (d) C 1s, (e) N 1s XPS spectra and (f) different N dopant contents diagrams of Zn–NC, Fe–NC and Fe/Zn–NC–950. ^Figure 4. (a) ORR polarization curves, (b) corresponding Tafel curves, (c) Eonset and E1/2 values ...
aSTEM, SEM images, and elemental mapping of N and Zn of Zn/NC-950 catalyst.bAtomic-resolution HAADF-STEM image of Zn/NC-950 catalyst, in which the bright dots are Zn centers, some of which are highlighted by red circles.cN 1sXPS spectra for Zn/NC-950 and NC-950.dXANES,eFT-EXAFS ...
(d) The experimental K-edge XANES spectra of MnPc/C-300 catalyst and reference sample (Mn foil, MnO, Mn2O3, MnO2, MnPc); (e) Fourier transform of Mn-K edge EXAFS data for MnPc/C-300, MnPc and Mn Foil catalysts; (f) High-resolution N 1s XPS spectra of MnPc/C and MnPc/C...
▲Fig. 3.(a) XRD patterns, (b) Raman spectra, (c) and (d) The high-resolution Co 2p and N 1s XPS spectra of CoSA-N-CNTs and CoNP-N-C, respectively. (e) Co K-edge XANES spectra and (f) FT-EXAFS spectra at Co K-edge of CoSA-N-CNTs, CoNP-N-C, and Co foil. ...
a) Fe 2p XPS spectra, and b) N 1s XPS spectra of Fe–Nx–Cns–800. c) XANES spectra at the Fe K–edge, and d) FT-EXAFS spectra of the Fe foil, Fe2O3, FeO, FePc and Fe–Nx–Cns–800 in R space. e, f) Comparison between experimental and fitting results of FT-EXAFS spec...
Figure 5.Comparison of XPS spectra of N 1s for E-TP-COF electrode discharged at 1.5V, charged to 2.4 V and 3.5 V, and charged to 2.2 V and 1.5 V (a); Comparison of XPS spectra of O 1s for E-TP-COF electrode discharged at 1.5V, charged to 2.4 V and 3.5 V, and charged to ...