Creating self-assembled arrays of mono-oxo (MoO₃)₁ species on TiO₂(101) via deposition and decomposition of (MoO₃)_n oligomers.

ABSTRACT: Hierarchically ordered oxides are of critical importance in material science and catalysis. Unfortunately, the design and synthesis of such systems remains a key challenge to realizing their potential. In this study, we demonstrate how the deposition of small oligomeric (MoO₃)_1-6 clusters-formed by the facile sublimation of MoO₃ powders-leads to the self-assembly of locally ordered arrays of immobilized mono-oxo (MoO₃)₁ species on anatase TiO₂(101). Using both high-resolution imaging and theoretical calculations, we reveal the dynamic behavior of the oligomers as they spontaneously decompose at room temperature, with the TiO₂ surface acting as a template for the growth of this hierarchically structured oxide. Tran

SUBMITTER: Doudin N 

PROVIDER: S-EPMC7848584 | biostudies-literature | 2021 Jan

REPOSITORIES: biostudies-literature