Quantum-corrected plasmonic field analysis using a time domain PMCHWT integral equation

Abstract

Abstract-When two structures are within sub-nanometer distance of each other, quantum tunneling, i.e., electrons "jumping" from one structure to another, becomes relevant. Classical electromagnetic solvers do not directly account for this additional path of current. In this work, an auxiliary tunnel made of Drude material is used to "connect" the structures as a support for this current path (R. Esteban et al., Nat. Commun., 2012). The plasmonic fields on the resulting connected structure are analyzed using a time domain surface integral equation solver. Time domain samples of the dispersive medium Green function and the dielectric permittivities are computed from the analytical inverse Fourier transform applied to the rational function representation of their frequency domain samples.

Plasmonic Au Nanoparticles Incorporated in the Zeolitic Imidazolate Framework (ZIF-67) for the Efficient Sunlight-Driven Photoreduction of CO2

“…These hot electrons can overcome the Schottky barrier and be irreversibly injected into ZIF-67. 36,37 Hence, the photoinduced electrons accumulated (from hot electrons and excited electrons of ZIF-67) at the ZIF-67 surface could be beneficial for the activation and reduction of the surface CO 2 molecules (Scheme 2).…”

“…Based on this study, the mechanism of the CO 2 photoreduction reaction is proposed as follows: Under solar-light irradiation, plasmonic Au NPs absorb visible light and generate the energetic electrons, denoted as hot electrons. These hot electrons can overcome the Schottky barrier and be irreversibly injected into ZIF-67. , Hence, the photoinduced electrons accumulated (from hot electrons and excited electrons of ZIF-67) at the ZIF-67 surface could be beneficial for the activation and reduction of the surface CO 2 molecules (Scheme ). Afterwards, the CO 2 molecule can easily interact with the surface of ZIF-67 promoted by Lewis basic sites and Lewis acid sites derived from Co +2 clusters .…”