From Ba₃Ta₅O₁₄N to LaBa₂Ta₅O₁₃N₂: Decreasing the optical band gap of a photocatalyst

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• 作者：B. Anke^a ; T. Bredow^b ; M. Pilarski^c ; M. Wark^c ; M. Lerch^a ; ^{martin.lerch@tu-berlin.de}
• 关键词：Barium tantalum oxide ; Oxide nitrides ; Synthesis ; Crystal structure ; Quantum-chemical calculations ; Photocatalysis
• 刊名：Journal of Solid State Chemistry
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：246
• 期：Complete
• 页码：75-80
• 全文大小：616 K
• 卷排序：246

文摘

Synthesis of a new oxide nitride LaBa2Ta5O13N2. Refinement of the crystal structure. Quantum chemical calculations provided band gap close to the measured value. New phase shows a higher photocatalytic H2 evolution rate compared to prior tested Ba3Ta5O14N.