Zobrazeno 1 - 10
of 46
pro vyhledávání: '"Yassine Bessekhouad"'
Publikováno v:
Journal of Sol-Gel Science and Technology. 97:540-547
The solid solution NiFe2-xMnxO4 (0 ≤ x ≤ 2) is synthesized by sol gel method and the physical properties are investigated for the first time. The thermal analysis shows that the phases are formed above 400 °C. The oxides crystallize in an invers
Publikováno v:
International Journal of Hydrogen Energy. 44:10301-10308
The complete solid solution CdxZn1-xS (0 ≤ x ≤ 1) prepared by ultrasound-assisted route is used for the H2 formation upon visible light illumination. The correlation of chemical and physical characterizations permits to assess the feasibility of
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 372:196-205
A new efficient photocatalyst consisting of Calcite/TiO2 system was synthesized using Sol-Gel process and applied to the degradation of tetracycline antibiotic (TC). The CAL/TiO2 system at various TiO2 content was characterized using XRD, ATR, BET, S
Publikováno v:
Optik. 178:1102-1110
SxZnO has been prepared at different S-content using a simple Sol-Gel method at 450 °C. The structural analysis showed the formation of pure wurtzite phase without secondary impurities. According to XPS analysis, S atoms occupy partially the oxygen
Publikováno v:
Materials Chemistry and Physics. 223:398-403
This study discusses the S-doping effects on WO3 structure and optical constants. The SxWO3 system (x = 0, 0.05, 0.1 and 0.2) was prepared by easy sol-gel method and heat-treated at 500 °C for 8 h. The X-ray diffraction pattern revealed the formatio
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 368:290-295
The physical and photoelectrochemical properties of the spinel ZnCr2O4 prepared by Sol Gel method are investigated. The thermal analysis indicates that the cubic spinel is formed beyond 500 °C with a lattice constant of 0.8328(3) nm. The Rietveld te
Publikováno v:
Solar Energy. 166:220-225
The spinel NiMn2O4 prepared by sol-gel is applied for the hydrogen liberation upon visible light. The oxide crystallizes in a cubic symmetry with a crystallite dimension of 63 nm, smaller than that obtained by transmission electron microscopy (TEM; 4
Publikováno v:
Journal of Sol-Gel Science and Technology. 85:677-683
Benzamide is successfully degraded on the novel heterosystem NiMn2O4/TiO2 under visible light. The nanosized spinel is synthesized by the sol–gel method at ~850 °C. The X-ray diffraction pattern shows narrow peaks and the oxides are well crystalli
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 332:345-350
The substituted pyrochlore La 1.9 Ba 0.1 Sn 2 O 7 was prepared by nitrate route and the physical and electrochemical characterizations were investigated. The optical gap is found to be 3.01 eV and the conductivity is characteristic of a semiconductin
Publikováno v:
Materials Science in Semiconductor Processing. 48:52-59
In this paper, S-doped ZnO (SxZnO) was prepared using sol-gel method at different S amounts. The structural, optical and transport properties were investigated. The introduction of S atoms into the ZnO network was found to lower the crystallization l