
Z-scheme g-C3N4/ZnS heterojunction photocatalyst: One-pot …
2022年11月20日 · The bandgap location of g-C 3 N 4 /ZnS-10 were characterized by UV–vis DRS and XPS valence band (VB) spectra. As depicted in Fig. 8 (a), the bandgap absorption edges of g-C 3 N 4 and ZnS were about 430 and 380 nm, respectively.
Synthesis and characterization of ZnS with controlled amount …
2015年2月25日 · Controlling amount of intrinsic S vacancies was achieved in ZnS spheres which were synthesized by a hydrothermal method using Zn and S powders in concentrated NaOH solution with NaBH 4 added as...
Construction Z-scheme ZnS/Fe - ScienceDirect
2025年3月1日 · ZnS/Fe 2 O 3 nanohybrid was synthesized via a green and facile hydrothermal method. The photocatalytic activity for RhB degradation was enhanced by 10.3 times more than individual ZnS photocatalysts. The O 2− radicals and h + …
VB-XPS价带谱计算价带位置 - 知乎 - 知乎专栏
根据 价带X射线光电子能谱 (VB XPS)的测试数据作图,将所得到图形在0 eV附近的直线部分外推至与水平的延长线相交,交点即为Ev。 如图8,根据 ZnIn2S4 以及 O掺杂ZnIn2S4 的VB XPS图谱,在0 eV附近(2 eV和1 eV)发现有直线部分进行延长,并将小于0 eV的水平部分延长得到的交点即分别为ZnIn2S4以及O掺杂ZnIn2S4的价带位置对应的能量(1.69 eV和0.73 eV)。 如图9为TiO2/C的VB XPS图谱,同理可得到其价带位置能量(3.09 eV)。 图8. ZnIn2S4 (ZIS)以及O …
Air‐condition process for scalable fabrication of CdS/ZnS 1D/2D ...
2022年12月5日 · Here, we report the kilogram-scale production of CdS nanosheets (CdS NSs)/ZnS nanoparticles (ZnS NPs) as 1D/2D heterojunctions (CdS-NSs/ZnS-NPs) under ambient air condition (room temperature [RT] and atmospheric pressure) based …
Valence band offset at the CdS/Cu2ZnSnS4 interface probed by x …
2013年4月5日 · The valence band offset (VBO) at the interface CdS/Cu 2 ZnSnS 4 was investigated by x-ray photoelectron spectroscopy (XPS). The VBO was measured by two different procedures: an indirect method involving the measurements of the core levels together with the XPS bulk valence band (VB) spectra and a direct method involving the analysis of XPS VB ...
Nanoarchitectonics of CdS/ZnSnO3 heterostructures for Z-Scheme …
2022年2月22日 · The direct recombination of excited electrons in the conduction band (CB) of ZSO and holes in the valence band (VB) of CdS via d-p conjugation at the interface greatly accelerated the internal electric field (IEF).
浅谈能带结构分析基本方法—光谱及XPS、UPS结合法 - 知乎
2023年8月10日 · 根据价带x射线光电子能谱价带谱(vb xps)的测试数据作图,将所得到图形在0 ev附近的直线部分外推至与水平的延长线相交,交点即为ev。
XPS valence band spectra for (a) ZnS/InP and (b) InP QDs. The …
In Fig. 7, the electronic structure of the samples was investigated through the analysis of the valence band spectra for InP@ZnS and InP QDs. The valence band maximum (VBM) was obtained from the...
XPS spectra of ZnS/ZnO heterostructure QDs. a XPS survey …
We report the nonlinear optical (NLO) studies of ZnSnanostructures (NS) in polyvinyl pyrrolidone/dimethyl formamide (PVP/DMF) synthesized by laser ablation technique. We used a frequency doubled...