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Ordered Mesoporous TiO2: The Effect of Structure, Residual Template and Metal Doping on Photocatalytic Activity

التفاصيل البيبلوغرافية
العنوان: Ordered Mesoporous TiO2: The Effect of Structure, Residual Template and Metal Doping on Photocatalytic Activity
المؤلفون: Ahmed M. Mohammed, Ahmet E. Becerikli, Simon Ristig, Norbert Steinfeldt, Jennifer Strunk
المصدر: Catalysts, Vol 13, Iss 5, p 895 (2023)
بيانات النشر: MDPI AG, 2023.
سنة النشر: 2023
المجموعة: LCC:Chemical technology
LCC:Chemistry
مصطلحات موضوعية: photocatalytic CO2 reduction, titanium dioxide, mesoporosity, hydrogen production, metal loading, Chemical technology, TP1-1185, Chemistry, QD1-999
الوصف: Using a series of ordered mesoporous TiO2 (om-TiO2) with and without Ce or Cu doping, the effects of structure, metal doping and residual template species in the structure are systematically evaluated in terms of products formed during a CO2 photoreduction process. It is found that the ordered mesoporous structure contributes significantly in the hydrogen evolution reaction from the splitting of gaseous water. No cocatalyst was needed to achieve high hydrogen yields. While carbon-containing products are also observed, the presence of remainders of the organic template used in the synthesis process does not allow an unambiguous identification of the source of products. Small amounts of metal doping do not majorly influence the hydrogen evolution, thus the mesoporous structure can eventually be identified as the main cause for the improved performance.
نوع الوثيقة: article
وصف الملف: electronic resource
اللغة: English
تدمد: 2073-4344
Relation: https://www.mdpi.com/2073-4344/13/5/895; https://doaj.org/toc/2073-4344
DOI: 10.3390/catal13050895
URL الوصول: https://doaj.org/article/2f3ce85e64eb44b592a874dbf12a6f45
رقم الأكسشن: edsdoj.2f3ce85e64eb44b592a874dbf12a6f45
قاعدة البيانات: Directory of Open Access Journals
الوصف
تدمد:20734344
DOI:10.3390/catal13050895