Strain and interface engineering of MoS2 nanosheets decorated with Ag nanoparticles and its light-matter coupling in photoexcitation

•Outlined the synthesis, property and application progress of Ag/MoS2 materials.•The strain/interface engineering of Ag/MoS2 for controlled charge transfer and electron excitation-relaxation is revealed.•Exploring the charge fast transfer channel constructed by the plasma structure and the separated excited states of Ag.•The stress effect promotes the transport of photogenerated carriers at the interface.