Planar refractive index patterning through microcontact photo-thermal annealing of a printable organic/inorganic hybrid material.

Autor: Bachevillier S; Department of Materials and Centre for Plastic Electronics, Imperial College London, Exhibition Rd, London, SW7 2AZ, UK., Yuan HK; Department of Physics and Centre for Plastic Electronics, Blackett Laboratory, Imperial College London, Prince Consort Rd, London, SW7 2AZ, UK., Tetzner K; Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik, Gustav-Kirchhoff-Str. 4, 12489 Berlin, Germany., Bradley DDC; Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia., Anthopoulos TD; Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia., Stavrinou PN; Department of Engineering Science, University of Oxford, Parks Rd, Oxford OX1 3PJ, UK. paul.stavrinou@lincoln.ox.ac.uk., Stingelin N; School of Materials Science & Engineering and School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Ferst Drive, Atlanta, GA 300332, USA. natalie.stingelin@mse.gatech.edu.
Jazyk: angličtina
Zdroj: Materials horizons [Mater Horiz] 2022 Jan 04; Vol. 9 (1), pp. 411-416. Date of Electronic Publication: 2022 Jan 04.
DOI: 10.1039/d1mh01366a
Abstrakt: We demonstrate proof-of-concept refractive-index structures with large refractive-index-gradient profiles, using a micro-contact photothermal annealing (μCPA) process to pattern organic/inorganic hybrid materials comprising titanium oxide hydrate within a poly(vinyl alcohol) binder. A significant refractive index modulation of up to Δ n ≈ +0.05 can be achieved with μCPA within less than a second of pulsed lamp exposure, which promises the potential for a high throughput fabrication process of photonic structures with a polymer-based system.
Databáze: MEDLINE