
Oxygen vacancy-rich hierarchical BiOBr hollow microspheres with ...
2021年7月1日 · Herein, hierarchical BiOBr hollow microspheres are fabricated by a solvothermal method using ethylene glycol (EG) as solvent in presence of polyvinyl pyrrolidone (PVP). The hollow BiOBr microspheres prepared at 120 °C exhibit the …
Facile synthesis of Bi5O7Br/BiOBr 2D/3D heterojunction as …
2020年1月16日 · According to the partial state densities (PDOS) of Bi, O and Br atoms, the VBM of BiOBr (−5.54 to 0 eV) is mainly generated by O 2p and Br 4p states, and the contributions of Bi 6s and 6p electronic states are very small.
BiOBr with oxygen vacancies capture 0D black phosphorus …
2022年8月15日 · A novel BPQDs/OV-BiOBr S-scheme heterojunction photocatalyst with tight interfacial contacts was successfully prepared by hydrothermal deposition of appropriate amount of black phosphorus quantum dots (BPQDs) on bismuth bromoxide with …
向全军Angew.: 高应变Bi-MOF调控中间吸附/解吸能力,实现稳健 …
2022年9月15日 · 在此,电子科技大学向全军等在二维BiOBr载体上使用设计的表面贴 ... 其次,在应变工程前后的吸附和解吸过程方面,PDOS、COHP(晶体轨道哈密顿群体)以及键合距离分析充分评估和覆盖了与相应中间体的键合能力(图4b-c).特别是对于吸附过程,如 PDOS 所示 ...
Synthesis and Theoretical–Experimental Characterization of BiOBr: …
2022年3月16日 · In the present work, we report the synthesis and theoretical–experimental characterization of BiOBr employing X-ray diffraction, Raman spectroscopy, conductivity measurements, and first principles calculations based on Functional Density Theory (DFT).
Calculated band structure with the corresponding DOS and PDOS …
Nonmetal doping is an effective approach to modify the electronic band structure and enhance the photocatalytic performance of bismuth oxyhalides. Using density functional...
Dual‐Metal Sites Boosting Polarization of Nitrogen Molecules …
2021年5月7日 · Constructing nitrogen (N 2) adsorption and activation sites on semiconductors is the key to achieving efficient N 2 photofixation. Herein, Mn–W dual-metal sites on WO 3 are designed toward efficient N 2 photoreduction via controlled Mn doping.
The calculated projected electronic density of states (pDOS), …
Overall, the results predict that the nonmetal-doped BiOBr monolayers have a reduced bandgap, slow recombination rate, more catalytic active sites, enhanced optical absorption edges, and reduced...
Density Functional Theory Study on the Enhancement Mechanism …
2022年10月4日 · Our study uses density functional theory calculations within the Heyd–Scuseria–Ernzerhof hybrid functional to analyze the geometric structure and electronic structure of the g-C 3 N 4 /BiOBr (001) heterojunction in order to gain a better understanding of its photocatalytic properties.
Enhanced visible-light photocatalytic activity of BiOBr/BiOCl ...
2024年1月2日 · We found that the crystal facet is critical to the photocatalytic performance of BiOBr/BiOCl. The BiOBr (001)/BiOCl (001) and BiOBr (010)/BiOCl (010) with the same facet combinations in BiOBr/BiOCl present the unexpected type I band alignments and the poor photocatalytic activities.