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LaNi x Fe 1- x O 3 (0 ≤ x ≤1) as photothermal catalysts for hydrocarbon fuels production from CO 2 and H 2 O
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2019 (Engelska)Ingår i: Journal of Photochemistry and Photobiology A: Chemistry, ISSN 1010-6030, E-ISSN 1873-2666, Vol. 377, s. 182-189Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

LaNi x Fe 1- x O 3 perovskite compounds (x = 0, 0.2, 0.4, 0.6, 0.8, 1.0) were successfully synthesized by a sol-gel combustion method. The crystal structure, morphology, BET surface area, oxygen vacancies, band gap and catalytic properties of the catalyst were characterized in detail. The results showed that LaNi 0.4 Fe 0.6 O 3 compound exhibits the best photothermal catalytic performance. Under the same catalytic conditions (350 ℃ + Vis-light), CH 4 and CH 3 OH yields are about 3.5 and 4.0 times, 1.8 and 2.1 times of that of LaFeO 3 and LaNiO 3 . It was found that all the solid solutions possesses better catalytic properties than the pure end compounds. The doping of Ni lead to a significant modification with the quantity of oxygen vacancies and band gaps. These findings may further broaden the materials scope for photothermal conversion of CO 2 and H 2 O. © 2019 Elsevier B.V.

Ort, förlag, år, upplaga, sidor
Elsevier B.V. , 2019. Vol. 377, s. 182-189
Nyckelord [en]
CO 2 reduction, LaFeO 3, LaNiO 3, Photothermal catalysis
Nationell ämneskategori
Materialteknik
Identifikatorer
URN: urn:nbn:se:kth:diva-252527DOI: 10.1016/j.jphotochem.2019.03.045ISI: 000468714500021Scopus ID: 2-s2.0-85063933526OAI: oai:DiVA.org:kth-252527DiVA, id: diva2:1322107
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QC 20190610

Tillgänglig från: 2019-06-10 Skapad: 2019-06-10 Senast uppdaterad: 2019-06-11Bibliografiskt granskad

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Zhao, Zhe

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KeramteknologiTillämpad processmetallurgi
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