
Synthesis of Bi2S3/Bi2WO6 hierarchical microstructures for …
2018年12月15日 · The surface composition and chemical states of the pristine and reused 10 wt% Bi 2 S 3 /Bi 2 WO 6 were recorded with XPS. The photocatalyst after five consecutive cycles of experiment was analyzed for understanding the …
Ultrathin Bi2S3 Nanowires: Surface and Core Structure at the …
Herein, we present the structural characterization of the core and surface of colloidally stable ultrathin bismuth sulfide (Bi 2 S 3) nanowires using X-ray Absorption Spectroscopy (EXAFS and XANES), X-ray Photoelectron Spectroscopy (XPS), and Nuclear Magnetic Resonance (NMR).
Enhancing the Performance of Bi2S3 in Electrocatalytic and ...
2022年9月23日 · Lattice-strained Bi 2 S 3 with 3D hierarchical structures are prepared through a top-down route by a topotactic transformation. High-resolution transmission electron microscopy and X-ray diffraction (XRD) confirm the lattice spacing is expanded by prolonged sulfuration.
X‐ray Photoelectron Spectra and Electronic Structure of Bi2S3 …
2002年6月17日 · The paper presents the X-ray photoelectron spectra (XPS) of the valence band and core levels of the semiconductive Bi 2 S 3 single crystal, which shows anomalies in various physical properties and weak phase transitions without change of symmetry.
XPS survey spectra (a), Bi 4f and S 2p regions of Bi2S3-0°C (b ...
The nanospherical Bi2S3 from acetone (Bi2S3-A) presents the most balanced electrochemical properties, exhibiting a high specific capacity of 181 mAh g−1 at 1 A g−1 and decent rate capability.
Solvothermal synthesis of Bi2S3 nanoparticles for active …
2021年7月16日 · Bismuth sulfide (Bi 2 S 3) nanoparticles (NPs) was effectively synthesized by utilizing bismuth diethyldithiocarbamate (Bi [DTC] 3) complex as single-source antecedent. The synthesized Bi 2 S 3 NPs were affirmed by structural, morphological and thermal analysis with various analytical studies.
In situ irradiated XPS investigation on S-scheme TiO2/Bi2S3 ...
2024年8月1日 · The XPS results have demonstrated that the photogenerated electrons in TiO 2 are transferred to Bi 2 S 3, implying that the CO 2 reduction reactions over the hybrids mainly occur on Bi 2 S 3.
In-situ constructing Bi2S3 nanocrystals-modified Bi12O17Cl2 …
2020年3月18日 · FT-IR, Raman, EDS, and XPS spectra verified the coexistence of both components in composites, where Bi 2 S 3 was evenly distributed on exposed surface of Bi 12 O 17 Cl 2 nanosheets as irregular-shaped nanocrystals to create intimate interfacial contacts at heterojunction domains by TEM and HRTEM observations.
Growth rate controlled synthesis of hierarchical Bi2S3/In2S3 …
2014年2月7日 · The survey XPS spectrum (A) of the hierarchical Bi 2 S 3 /In 2 S 3 core/shell composite (In-Bi-30) and the high-resolution scan of S2s (B), Bi4f and S2p (C) and In 3d peaks (D) of the...
硫源和温度对微波辐射合成Bi2S3纳米结构形貌特征和光催化活性 …
通过 XRD、带 EDS 的 SEM、XPS、UV-Vis 光谱和 FTIR 分析研究了制备和退火样品 S1、AS1(硫脲源)和 S2、AS2(硫代乙酰胺源)的特性。 XRD 分析显示退火过程增加了 Bi 2 S 3的微晶尺寸 样品。 SEM 图像显示,两种样品(S1 和 S2)的花状纳米结构在退火后分别变为球形(AS1)和不规则形状(AS2)。 EDS 和 XPS 结果证实了 Bi 和 S 的纯度和存在。 UV-Vis 吸收光谱显示 Bi 2 S 3 的光学带隙值由于退火过程而降低。 FTIR 光谱显示了在制备和退火的 Bi 2 S …