fig8

Figure 8. PIRET as a key mechanism for excitonic energy transfer in plasmonic systems. For (A and B) Schematic and spectral evidence of PIRET in Ag@TiO₂, highlighting plasmon-mediated energy transfer distinct from hot-electron processes^[122]. Copyright 2015, published by the American Chemical Society; (C) Conceptual diagram of PIRET from plasmonic nanoparticle to semiconductor^[127]. Copyright 2024, published by the American Chemical Society. PIRET: Plasmon-induced resonance energy transfer; LSPR: localized surface plasmon resonance; CB: conduction band; VB: valance band; hν: energy of photon; NP: nano-particle.