Morphology and orientation of MoS2 clusters on Al2O3 and TiO2 supports and their effect on catalytic performance

The catalytic performance of MoS₂-based hydrotreating catalysts strongly depends on their morphology and orientation on the support. The effects of the morphology and orientation of MoS₂ clusters on supports, typically Al₂O₃ and TiO₂, on the catalytic performance are reviewed here, focusing on recently reported epitaxial relationships at the interface between MoS₂ clusters and the support.