3 papers
physics.chem-ph2026
Molecular Tuning of Charge-Transfer Resonance in Plasmonic Nanocavities
Hasher Irshada, Francesco Ciccarello, Konstantin Malchow +2
Interfacial charge-transfer processes play a critical role in plasmon-enhanced spectroscopy, yet the energetic conditions governing charge-transfer resonance within molecule-metal…
physics.optics2026
Seeing inside a Plasmonic Nanogap: Few-molecule Orientation and Preferential Adsorption
Francesco Ciccarello, Nobuaki Oyamada, Thwahira Shirin Alampara +2
Molecule-surface interactions are central to many research and technological areas, spanning from heterogeneous catalysis and polymer science to electrochemistry. Of particular rel…
physics.optics2026
Continuous-wave, high-resolution, ultra-broadband mid-infrared nonlinear spectroscopy with tunable plasmonic nanocavities
Zhiyuan Xie, Nobuaki Oyamada, Francesco Ciccarello +2
Vibrational sum- and difference-frequency generation (SFG and DFG) spectroscopy probes the nonlinear response of interfaces at mid-infrared (MIR) wavelengths while detecting upconv…