Browsing Materials Science & Technology by Author "Namratha K."
Now showing items 1-4 of 4
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CeO2 Nanostructures Enriched with Oxygen Vacancies for Photocatalytic CO2 Reduction
Hezam A.; Namratha K.; Drmosh Q.A.; Ponnamma D.; Wang J.; Prasad S.; Ahamed M.; Cheng C.; Byrappa K.... more authors ... less authors ( American Chemical Society , 2020 , Article)Synthesizing nanomaterials at the expense of solar energy and the associated energy generation have utmost significance as far as environmental sustainability is concerned. Here, sunlight-assisted combustion synthesis of ... -
Direct Z-scheme Cs2O-Bi2O3-ZnO heterostructures for photocatalytic overall water splitting
Hezam A.; Namratha K.; Drmosh Q.A.; Ponnamma D.; Nagi Saeed A.M.; Ganesh V.; Neppolian B.; Byrappa K.... more authors ... less authors ( Royal Society of Chemistry , 2018 , Article)In this work, a direct Z-scheme Cs2O-Bi2O3-ZnO heterostructure without any electron mediator is fabricated by a simple solution combustion route. Cs2O is chosen as a sensitizer to expand the light absorption range, and in ... -
Strategies to Enhance ZnO Photocatalyst's Performance for Water Treatment: A Comprehensive Review
Hezam A.; Drmosh Q.A.; Ponnamma D.; Bajiri M.A.; Qamar M.; Namratha K.; Zare M.; Nayan M.B.; Onaizi S.A.; Byrappa K.... more authors ... less authors ( John Wiley and Sons Inc , 2022 , Article Review)Despite the photocatalytic organic pollutant degradation using ZnO started in 1910?1911, many challenges are still ahead, and several critical issues have to be addressed. Large band gap, and short life-time of photogenerated ... -
Surface Plasmonic Resonance and Z-Scheme Charge Transport Synergy in Three-Dimensional Flower-like Ag-CeO2-ZnO Heterostructures for Highly Improved Photocatalytic CO2Reduction
Mahyoub S.A.; Hezam A.; Qaraah F.A.; Namratha K.; Nayan M.B.; Drmosh Q.A.; Ponnamma D.; Byrappa K.... more authors ... less authors ( American Chemical Society , 2021 , Article)The design and engineering of plasmonic metal nanocomposite photocatalysts offer an operative approach for highly efficient CO2 photoreduction. Herein, the authors report a plasmonic 3D flower-like (3DF) Ag-CeO2-ZnO ...