In the article “Boron nitride nanoresonators for phonon-enhanced molecular vibrational spectroscopy at the strong coupling limit” the authors use, for the first time, phonon-polariton-resonant h-BN ribbons for SEIRA spectroscopy of small amounts of organic molecules in Fourier transform infrared spectroscopy. They demonstrate a new way to strongly couple infrared light and molecular vibrations, by utilizing phonon polariton nanoresonators made of hexagonal boron nitride, a Van der Waals material.
For the nanoscale Fourier transform infrared (nano-FTIR) spectroscopy mentioned in this article an oscillating Pt/Ir coated NanoWorld Arrow-NCPt AFM probe was illuminated by p-polarized mid-IR broadband radiation.
Marta Autore, Peining Li, Irene Dolado, Francisco J Alfaro-Mozaz, Ruben Esteban, Ainhoa Atxabal, Fèlix Casanova, Luis E Hueso, Pablo Alonso-González, Javier Aizpurua, Alexey Y Nikitin, Saül Vélez & Rainer Hillenbrand
Boron nitride nanoresonators for phonon-enhanced molecular vibrational spectroscopy at the strong coupling limit
Light: Science & Applications volume 7, page 17172 (2018)
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