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Osman Ahmed Zelekew
Osman Ahmed Zelekew
Asso. Prof. of Materials Sci.& Eng., Adama Science and Technology University, Ethiopia
Verified email at astu.edu.et - Homepage
Title
Cited by
Cited by
Year
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
1382016
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
1002019
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, 1-10, 2020
892020
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
862019
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
782017
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
702019
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
642017
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
602022
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
592020
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
552017
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
522021
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
492020
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
412021
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
392022
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
362019
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
352021
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
292021
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
292020
Spherical porous SiO2 supported CuVOS catalyst with an efficient catalytic reduction of pollutants under dark condition
H Sun, AB Abdeta, OA Zelekew, Y Guo, J Zhang, DH Kuo, J Lin, X Chen
Journal of Molecular Liquids 313, 113567, 2020
272020
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
262023
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