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المؤلفHezam A.
المؤلفNamratha K.
المؤلفDrmosh Q.A.
المؤلفPonnamma D.
المؤلفWang J.
المؤلفPrasad S.
المؤلفAhamed M.
المؤلفCheng C.
المؤلفByrappa K.
تاريخ الإتاحة2022-05-31T19:01:10Z
تاريخ النشر2020
اسم المنشورACS Applied Nano Materials
المصدرScopus
المعرّفhttp://dx.doi.org/10.1021/acsanm.9b01833
معرّف المصادر الموحدhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85078792997&doi=http://dx.doi.org/10.1021%2facsanm.9b01833&partnerID=40&md5=6cc2cceb4a0c4213ba1e69357bf1f7b9
معرّف المصادر الموحدhttp://hdl.handle.net/10576/31735
الملخصSynthesizing 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 a nanoscale metal oxide (CeO2) is reported. The sunlight, as a clean renewable energy source, is used for the first time to initiate the exothermic combustion reaction and to introduce oxygen vacancies into the CeO2. The current synthesis setup controls the environmental problems of gas evolution, usually associated with the conventional method, and thus maintains the green pathway. Additionally, for comparison, CeO2 nanoparticles are also synthesized using the conventional solution combustion method (CeO2-CSC). It is found that the CeO2 synthesized using sunlight-assisted combustion (CeO2-SAC) possesses a smaller particle size, a higher concentration of oxygen vacancies, and a narrower band gap than the CeO2-CSC. Therefore, CeO2-SAC demonstrates higher photocatalytic performance in converting CO2 to CH3OH (0.702 ?mol h-1 g-1) than the CeO2-CSC (0.397 ?mol h-1 g-1), thus pointing toward environmentally benign photocatalytic CO2 reduction.
اللغةen
الناشرAmerican Chemical Society
الموضوعDFT calculations
green sustainable synthesis
mesoporous CeO2
oxygen vacancies
selective CO2 photoreduction
العنوانCeO2 Nanostructures Enriched with Oxygen Vacancies for Photocatalytic CO2 Reduction
النوعArticle
الصفحات138-148
رقم العدد1
رقم المجلد3
dc.accessType Abstract Only


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