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Osman Ahmed Zelekew
Osman Ahmed Zelekew
Asso. Prof. of Materials Sci.& Eng., Adama Science and Technology University, Ethiopia
在 astu.edu.et 的电子邮件经过验证 - 首页
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A two-oxide nanodiode system made of double-layered p-type Ag 2 O@ n-type TiO 2 for rapid reduction of 4-nitrophenol
OA Zelekew, DH Kuo
Physical Chemistry Chemical Physics 18 (6), 4405-4414, 2016
1412016
Synthesis of visible light responsive iodine-doped mesoporous TiO2 by using biological renewable lignin as template for degradation of toxic organic pollutants
X Chen, H Sun, J Zhang, OA Zelekew, D Lu, DH Kuo, J Lin
Applied Catalysis B: Environmental 252, 152-163, 2019
1032019
Synthesis of Titanium Oxide Nanoparticles Using Root Extract of Kniphofia foliosa as a Template, Characterization, and Its Application on Drug Resistance Bacteria
ET Bekele, BA Gonfa, OA Zelekew, HH Belay, FK Sabir
Journal of Nanomaterials 2020 (1), 2817037, 2020
952020
A noble bimetal oxysulfide Cu V OS catalyst for highly efficient catalytic reduction of 4-nitrophenol and organic dyes
H Sun, OA Zelekew, X Chen, Y Guo, DH Kuo, Q Lu, J Lin
RSC advances 9 (55), 31828-31839, 2019
902019
Synthesis of Efficient Silica Supported TiO2/Ag2O Heterostructured Catalyst with Enhanced Photocatalytic Performance
OA Zelekew, DH Kuo, JM Yassin, KE Ahmed, H Abdullah
Applied Surface Science, 2017
802017
Synthesis and photocatalytic activities of a CuO/TiO2 composite catalyst using aquatic plants with accumulated copper as a template
D Lu, OA Zelekew, AK Abay, Q Huang, X Chen, Y Zheng
RSC Advances 2019 (9), 2018–2025, 2019
722019
Green synthesis of a CuO–ZnO nanocomposite for efficient photodegradation of methylene blue and reduction of 4-nitrophenol
AG Bekru, LT Tufa, OA Zelekew, M Goddati, J Lee, FK Sabir
ACS omega 7 (35), 30908-30919, 2022
662022
Facile synthesis of SiO2@ CuxO@ TiO2 heterostructures for catalytic reductions of 4-nitrophenol and 2-nitroaniline organic pollutants
OA Zelekew, DH Kuo
Applied Surface Science 393, 110-118, 2017
652017
Biological renewable hemicellulose-template for synthesis of visible light responsive sulfur-doped TiO2 for photocatalytic oxidation of toxic organic and As (III) pollutants
X Chen, H Sun, OA Zelekew, J Zhang, Y Guo, A Zeng, DH Kuo, J Lin
Applied Surface Science 525, 146531, 2020
612020
Synthesis of a hierarchical structured NiO/NiS composite catalyst for reduction of 4-nitrophenol and organic dyes
OA Zelekew, DH Kuo
RSC Advances 8 (7), 4353–4362, 2017
562017
Spherical nanoflower-like bimetallic (Mo, Ni)(S, O) 3-x sulfo-oxide catalysts for efficient hydrogen evolution under visible light
X Chen, H Sun, DH Kuo, AB Abdeta, OA Zelekew, Y Guo, J Zhang, ...
Applied Catalysis B: Environmental 287, 119992, 2021
542021
Catalytic reduction of organic and hexavalent chromium pollutants with highly active bimetal CuBiOS oxysulfide catalyst under dark
Y Guo, OA Zelekew, H Sun, DH Kuo, J Lin, X Chen
Separation and Purification Technology 242, 116769, 2020
512020
Material design with the concept of solid solution-type defect engineering in realizing the conversion of an electrocatalyst of NiS2 into a photocatalyst for hydrogen evolution
X Chen, T Huang, DH Kuo, H Sun, P Li, OA Zelekew, AB Abdeta, Q Wu, ...
Applied Catalysis B: Environmental 298, 120542, 2021
442021
A molybdenum sulfo-oxide/cobalt oxysulfide Z-scheme heterojunction catalyst for efficient photocatalytic hydrogen production and pollutant reduction
Q Wu, AB Abdeta, DH Kuo, H Zhang, Q Lu, J Zhang, OA Zelekew, ...
Journal of Materials Chemistry A 10 (10), 5328-5349, 2022
412022
Water hyacinth plant extract mediated green synthesis of Cr2O3/ZnO composite photocatalyst for the degradation of organic dye
OA Zelekew, PA Fufa, FK Sabir, AD Duma
Heliyon 7 (7), 2021
382021
Synthesis of Sn-WO3/g-C3N4 composites with surface activated oxygen for visible light degradation of dyes
KE Ahmed, DH Kuo, MA Zeleke, OA Zelekew, AK Abay
Journal of Photochemistry and Photobiology A: Chemistry 369, 133-141, 2019
352019
Green synthesis of p-Co3O4/n-ZnO composite catalyst with Eichhornia Crassipes plant extract mediated for methylene blue degradation under visible light irradiation
SG Aragaw, FK Sabir, D Andoshe, OA Zelekew
Materials Research Express, 2020
322020
Activated carbon supported CuSnOS catalyst with an efficient catalytic reduction of pollutants under dark condition
H Sun, AB Abdeta, DH Kuo, Q Wu, Y Guo, OA Zelekew, Z Yuan, J Lin, ...
Journal of Molecular Liquids 334, 116079, 2021
312021
Initiating highly efficient (Bi, Ce) 2 (O, S) 3− x oxysulfide catalysts with rich oxygen vacancies for hydrogen evolution via adjusting valence band configuration
X Chen, Q Wu, DH Kuo, AB Abdeta, H Zhang, P Li, T Huang, OA Zelekew, ...
Journal of Materials Chemistry A 11 (8), 4126-4141, 2023
302023
Green synthesis of Co-doped ZnO via the accumulation of cobalt ion onto Eichhornia crassipes plant tissue and the photocatalytic degradation efficiency under visible light
OA Zelekew, SG Aragaw, FK Sabir, DM Andoshe, AD Duma, DH Kuo, ...
Materials Research Express 8 (2), 025010, 2021
302021
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