相应地,在石墨烯上建立了同时具有Co-N2、吡啶和吡咯 N 的计算模型。 Figure 4.(a)Ex situNEXAFS of Co L-edge of S/SA-NC in varying discharge and charge states.(b) N 1s XPS spectra for pristine and fully discharged S/SA-NC. (c)...
CO生成温度按ZrO2/SA (304 ℃) > ZnZrOx/SA (193 ℃) > ZnCeZrOx/SA (142 ℃)的顺序降低,这说明ZrO2中引入Zn和Ce有利于降低CO2的活化温度。 Figure 2. O 1s XPS spectra (a), EPR spectra (b), H2-TPR profiles (c) ...
ErnestoPaparazzoEBSCO_AspCarbonE. Paparazzo, "On the interpretation of XPS spectra of metal (Pt, Pt-Sn) nanoparticle/graphene systems," Carbon, vol. 63, pp. 578-581, 2013.
钠金属电池因其能量密度高、资源丰富等优势被认为是一种极具前景的电化学储能技术,然而在高面容量下实现电池持续运行是阻碍该系统应用的关键科学问题。 近日,郑州大学陈卫华教授和盖军民研究员等人在Science China Materials发表研究论文,通过工业电镀策略在商业化的铝箔集流体表面精心设计了二维锡/钠锡合金涂层。 本文要...
The amount of Sn(IV) in the perovskite films was estimated using XPS. From the Sn 3d5/2spectra of 190 nm thick films (Supplementary Fig.7), the addition of 1 mol% TM-DHP greatly reduced the content of Sn(IV) at the surface of perovskite films, from 15.5% to 5.3% (Fig.2c)...
PL spectra shows that the emission peak on visible region shift from about 600nm to 510nm, which indicates that the defect type changes from the zinc interstitials (Zni) to the oxygen vacancies (Vo) during the sintering process with the increase of Sn doping concentration. The result of ...
14. This indicates that the surface Sn was partially oxidized in a short time when exposed to the air. The XPS spectra of Sn in the Sn–Bi interface shift to the lower energy compared to that of Sn–Bi alloy, implying the lower average oxidation state of Sn atoms, which is attributed ...
图5. PDI@Fe-Sn@N-Ti3C2Tx在首轮恒流充放电过程中的测试: a) XPS C1s, b) FT-IR and c) Raman spectra at various charge/discharge states.图片来源:Angew. Chem. Int. Ed. 结论 通过优化几何结构、调控复合材料自旋状态和配位环境以及优化组分,实现PDI复合电极可逆多活性位点储能的新方法,实现有机-无机...
Survey (a) and narrow (b-d) XPS spectra of Ti-16Nb-3Mo-1Sn obtained using an XPS system (Quantum 2000, ULVAC-PHI, Inc.) with a Al Ka monochromatized focused X-ray source with a spot size of ca. 100 μmϕ. Acknowledgement This work was partially supported by the deanship of ...
XPS structural data, and correlation with Mössbauer spectra for tin-organic compounds: Adducts of {R n SnCl 4−n } with 1,2-bis(diphenylphosphino)ethaneCore level X-ray photoelectron spectra of 1:1 adducts of SnCl 4 and RSnCl 3 with DPE {[R nSnCl 4−n} · DPE (n = 1, R...