Two-photon 3D-nanostructuring in metal-organic frameworks

Angeliki Afentaki; Karen D.J. Hindricks; Moritz Hinkelmann; Jörg Neumann; Peter Behrens; Dietmar Kracht

doi:10.1117/12.2649908

15 March 2023 Two-photon 3D-nanostructuring in metal-organic frameworks

Angeliki Afentaki, Karen D.J. Hindricks, Moritz Hinkelmann, Jörg Neumann, Peter Behrens, Dietmar Kracht

Proceedings Volume 12433, Advanced Fabrication Technologies for Micro/Nano Optics and Photonics XVI; 124330J (2023) https://doi.org/10.1117/12.2649908
Event: SPIE OPTO, 2023, San Francisco, California, United States

Conference Poster

Abstract

Two-photon lithography technology has revolutionized the fabrication of 3D-structures from photoreactive materials by providing high precision and almost unlimited design freedom. Here, a zirconium-based metal-organic framework (MOF) based on benzophenonedicarboxylate (bzpdc) linker molecules has been micro-structured by a laser-induced chemical modification. Via a post-synthetical loading of the porous crystals with appropriate organic compounds and a subsequent femtosecond laser-induced two-photon absorption (TPA), a cross-linking of organic compounds with MOF’s bzpdc-linker is triggered. As a result, a precise functionalization of the material is achieved, leading to a permanent change in properties such as refractive index. With this work a significant step forward for 3D-tailoring material properties and manufacturing tuneable functional optical micro-devices is made.

Citation Download Citation

Angeliki Afentaki, Karen D.J. Hindricks, Moritz Hinkelmann, Jörg Neumann, Peter Behrens, and Dietmar Kracht "Two-photon 3D-nanostructuring in metal-organic frameworks", Proc. SPIE 12433, Advanced Fabrication Technologies for Micro/Nano Optics and Photonics XVI, 124330J (15 March 2023); https://doi.org/10.1117/12.2649908

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