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Royal Society of Chemistry, Journal of Materials Chemistry A: materials for energy and sustainability, 23(8), p. 11837-11848, 2020

DOI: 10.1039/d0ta02136a

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Bandgap-Adjustment and Enhanced Surface Photovoltage in Y-Substituted LaTaIVO2N

Journal article published in 2020 by Cora Bubeck ORCID, Marc Widenmeyer ORCID, Alexandra T. De Denko, Gunther Richter, Mauro Coduri ORCID, Eduardo Salas Colera, Salas Colera Eduardo, Eberhard J. Goering, Hongbin Zhang, Songhak Yoon, Frank E. Osterloh ORCID, Anke Weidenkaff
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Microstructure controlled ammonolysis allowed the synthesis of oxynitrides La1−xYxTaIVO2N (x ≤ 0.3) and YTa(O,N)3 of which the first ones showed a remarkable up-built of photovoltage even in the presence of reduced tantalum (e.g. Ta4+).