DataVXACS Applied Nano MaterialsPaper
journal article·2021-05-28Open access

Polaritonic Enhancement of Near-Field Scattering of Small Molecules Encapsulated in Boron Nitride Nanotubes: Chemical Reactions in Confined Spaces

Dániel Datz, Gergely Németh, Kate E. Walker, Graham A. Rance, Áron Pekker, Andrei N. Khlobystov, Katalin Kamarás

ACS Applied Nano Materials· Volume 4· Issue 5
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Source abstract

Abstract

Nanotubes have been extensively utilized as nanocontainers for molecules and as nanoreactors for chemical reactions in confinement, with the potential for applications in hydrogen storage and catalysis. We show that phonon polaritons of boron nitride nanotubes (BNNTs) enhance the near-field vibrational spectra of molecules in close proximity to the surface. By encapsulating C60 fullerene in BNNTs, we reach a sensitivity level of a few hundred molecules. Furthermore, we show by the photopolymerization of C60 that products of chemical reactions inside the tubes can be identified, so long as their vibrational signatures lie in the reststrahlen band of the BNNT.
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Research context

NanomaterialsCatalysis & surfaces

OpenAlex topics: Thermal Radiation and Cooling Technologies · Near-Field Optical Microscopy · Metamaterials and Metasurfaces Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Wigner Research Centre for Physics, Konkoly Thege Miklós út 29−33, Budapest 1121, Hungary

Eötvös Loránd University, Pázmány Péter sétány 1/A, Budapest 1117, Hungary

Budapest University of Technology and Economics, Müegyetem rkp. 3, Budapest 1111, Hungary

School of Chemistry, University of Nottingham, University Park, Nottingham NG7 2RD, United Kingdom

Nanoscale & Microscale Research Centre (nmRC), Cripps South, University of Nottingham, University Park, Nottingham NG7 2RD, United Kingdom

Funding

Orsz?gos Tudom?nyos Kutat?si Alapprogramok

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