Impact of Defects and Disorder on the Stability of Ta3N5 Photoanodes
Lukas M. Wolz,
Gabriel Grötzner,
Tim Rieth
et al.
Abstract:The photoelectrochemical performance of Ta3N5 photoanodes is strongly impacted by the presence of shallow and deep defects within the bandgap. However, the role of such states in defining stability under operational conditions is not well understood. Here, a highly controllable synthesis approach is used to create homogenous Ta3N5 thin films with tailored defect concentrations to establish the relationship between atomic‐scale point defects and macroscale stability. Reduced oxygen contents increase long‐range … Show more
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