Hojamberdiev M, Mora-Hernández JM, Vargas R, Yamakata A, Yubuta K, Heppke EM, Torres-Martínez, LM, Teshima K, Lerch M. Time-retrenched synthesis of BaTaO2N by localizing an NH3 delivery system for visible-light-driven photoelectrochemical water oxidation at neutral pH: Solid-state reaction or flux method?.