Use of multilayer techniques for XPS identification of various …
1991年7月1日 · Included in a surface laye (< 50 Å) corresponding to the analysing electron escape depth of a X-ray photoelectron spectrometer, they lead one to obtain the binding …
Highly Selective NH3 Sensor Based on MoS2/WS2 Heterojunction
2023年4月24日 · High-resolution XPS spectra were employed to scan the orbital peaks of Mo 3d, W 4f, and S 2p, as demonstrated in Figure 3 b–d. The S2 p 3/2 and S2 p 1/2 states in Figure 3 …
Raman and XPS studies of ammonia sensitive polypyrrole ... - Nature
2019年6月11日 · Polypyrrole (PPy) nanorods (NRs) and nanoparticles (NPs) are synthesized via electrochemical and chemical methods, respectively, and tested upon ammonia exposure …
(A) XPS spectra for NH3–Ag@C@Co–N–C‐700 and N2
Post-synthetic modification (PSM) strategies can endow novel properties to already excellent covalent organic frameworks (COFs). In this study, we prepared a range of COF-based …
AES, XPS, and TDS study of the adsorption and desorption of NH3 …
1999年12月1日 · The adsorption and desorption of NH 3 on the thin Cr 2 O 3 films have been studied by LEED, AES, XPS, and TDS. The kinetics of ammonia adsorption was investigated …
Use of multilayer techniques for XPS identification of various …
1991年7月1日 · Included in a surface laye (< 50 Å) corresponding to the analysing electron escape depth of a X-ray photoelectron spectrometer, they lead one to obtain the binding …
Ni (111)上氧化镍吸附NH3的XPS研究,Surface and Interface …
2000年1月1日 · 本工作的目的是研究 NH3 与在明确定义的 Ni (111) 表面上形成的氧化镍层相互作用的初始阶段。 所选择的技术是 X 射线光电子能谱。 在连接到分析室的制备室中，在 10-7 …
NH3 在多晶铜和 Cu (110) 上还原 N2O：XPS、FT-IRRAS 和动力学 …
XPS 结果能够将活性表面识别为金属Cu 和Cu 3 N，用于NH 3 氧化和NH 2 、NH、N 吸附物质作为反应的中间体。 在室温下，在存在 N 2 O、O 2 和 NH 3 的情况下，FT-IRRAS 允许显示形 …
Ru / Al <sub>2</sub> O <sub>3</sub>催化剂的NH <sub>3</sub> -TPD和XPS …
在单程差动微反应器中研究了催化剂预处理对其表面性质和0.49％Ru / Al 2 O 3催化剂的HDS活性的影响。 通过NH 3 -TPD和XPS分析测量催化剂的表面性质。
N 1s core level XPS spectra for the NRs (a) and NPs (b) after the ...
XPS spectra (Figs 4b and 7b) show a lower polaron to bipolaron before (i.e., 7) than after (i.e, 35) ammonia exposure, indicating a five-fold increase in this ratio.