scholarly journals Effect of Fe doping concentration on photocatalytic performance of CeO2 from DFT insight into analysis

AIP Advances ◽  
2019 ◽  
Vol 9 (12) ◽  
pp. 125341 ◽  
Author(s):  
Yufei Xue ◽  
Dong Tian ◽  
Chunhua Zeng ◽  
Yunchang Fu ◽  
Kongzhai Li
Keyword(s):  
Doping Concentration ◽  
Photocatalytic Performance ◽  
Fe Doping ◽  
Insight Into

scholarly journals Ferromagnetic Behaviors in Fe-Doped NiO Nanofibers Synthesized by Electrospinning Method

2013 ◽  
Vol 2013 ◽  
pp. 1-4 ◽  
Author(s):  
Yi-Dong Luo ◽  
Yuan-Hua Lin ◽  
Xuehui Zhang ◽  
Deping Liu ◽  
Yang Shen ◽  
...  
Keyword(s):  
Room Temperature ◽  
Doping Concentration ◽  
Double Exchange ◽  
Host Lattice ◽  
Charge Carriers ◽  
Fe Doping ◽  
Free Charge ◽  
Ferromagnetic Properties ◽  
Electrospinning Method ◽  
Fe Ions

Ni1−xFexOnanofibers with different Fe doping concentration have been synthesized by electrospinning method. An analysis of the phase composition and microstructure shows that Fe doping has no influence on the crystal structure and morphology of NiO nanofibers, which reveals that the doped Fe ions have been incorporated into the NiO host lattice. Pure NiO without Fe doping is antiferromagnetic, yet all the Fe-doped NiO nanofiber samples show obvious room-temperature ferromagnetic properties. The saturation magnetization of the nanofibers can be enhanced with increasing Fe doping concentration, which can be ascribed to the double exchange mechanism through the doped Fe ions and free charge carriers. In addition, it was found that the diameter of nanofibers has significant impact on the ferromagnetic properties, which was discussed in detail.

Facile fabrication and application of SnO2–ZnO nanocomposites: insight into chain-like frameworks, heterojunctions and quantum dots

RSC Advances ◽  
2016 ◽  
Vol 6 (85) ◽  
pp. 82096-82102 ◽  
Author(s):  
Lanlan Ren ◽  
Dayong Chen ◽  
Zhixiang Hu ◽  
Ziming Gao ◽  
Zhigang Luo ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Photocatalytic Performance ◽  
Highly Efficient ◽  
Facile Fabrication ◽  
Zno Quantum Dots ◽  
Insight Into

We report that a novel SnO2–ZnO chain-like heterojunction framework embedded with SnO2 and ZnO quantum-dots shows highly efficient photocatalytic performance.

Influence of Fe Doping Concentration on SnO2 Layers

2019 ◽  
Vol 397 ◽  
pp. 200-205
Author(s):  
Leila Segueni ◽  
Achour Rahal ◽  
Ben Haoua Boubaker ◽  
Allag Nassiba ◽  
Atmane Benhaoua ◽  
...  
Keyword(s):  
Electrical Resistivity ◽  
Doping Concentration ◽  
Visible Region ◽  
Optical Transmittance ◽  
Thin Layers ◽  
Fe Doping ◽  
Polycrystalline Structure ◽  
High Transparency ◽  
Optical Gap ◽  
Grain Sizes

In this study, we report structural, morphological and optical properties of Fe-doped SnO2 thin layers. Fe doping concentration has evaluated from 0 to 0.6 wt.%. XRD and SEM results revealed a polycrystalline structure for Fe-doped SnO2 thin layers. The optical transmittance of all thin layers displayed high transparency reach to 80% in the visible region. The optical gap of these layers decreases from 3.87 to 3.58 eV. The grain sizes decrease from 35 to 30 nm. The electrical resistivity of layers increases from 1.2×10-2 to 6.8×10-2 Ω.cm.

Insight into the factors influencing the photocatalytic H2 evolution performance of molybdenum sulfide

2019 ◽  
Vol 43 (3) ◽  
pp. 1230-1237 ◽  
Author(s):  
Mingcai Yin ◽  
Wenli Zhang ◽  
Hui Li ◽  
Chaojun Wu ◽  
Fangfang Jia ◽  
...  
Keyword(s):  
Specific Surface ◽  
Surface Area ◽  
Specific Surface Area ◽  
Photocatalytic Performance ◽  
Molybdenum Sulfide ◽  
H2 Evolution ◽  
Key Factors ◽  
Factors Influencing ◽  
Insight Into ◽  
Photocatalytic H2 Evolution

The specific surface area and composition are found to be the key factors influencing the photocatalytic performance of MoS2+x.

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