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

Stefan Bachevillier; Hua Kang Yuan; Kornelius Tetzner; Donal D.C. Bradley; Thomas D. Anthopoulos; Paul N. Stavrinou; Natalie Stingelin

doi:10.1039/d1mh01366a

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

Stefan Bachevillier, Hua Kang Yuan, Kornelius Tetzner, Donal D.C. Bradley, Thomas D. Anthopoulos, Paul N. Stavrinou^*, Natalie Stingelin^*

^*Corresponding author for this work

EEE - Academic & Research

Research output: Contribution to journal › Article › peer-review

Abstract

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 Δn ≈ +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.

Original language	English
Pages (from-to)	411-416
Number of pages	6
Journal	Materials Horizons
Volume	9
Issue number	1
DOIs	https://doi.org/10.1039/d1mh01366a
Publication status	Published - Jan 2022

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title = "Planar refractive index patterning through microcontact photo-thermal annealing of a printable organic/inorganic hybrid material",

abstract = "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 Δn ≈ +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.",

author = "Stefan Bachevillier and Yuan, {Hua Kang} and Kornelius Tetzner and Bradley, {Donal D.C.} and Anthopoulos, {Thomas D.} and Stavrinou, {Paul N.} and Natalie Stingelin",

note = "Publisher Copyright: {\textcopyright} 2021 The Royal Society of Chemistry.",

year = "2022",

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doi = "10.1039/d1mh01366a",

language = "English",

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AU - Bachevillier, Stefan

AU - Yuan, Hua Kang

AU - Tetzner, Kornelius

AU - Bradley, Donal D.C.

AU - Anthopoulos, Thomas D.

AU - Stavrinou, Paul N.

AU - Stingelin, Natalie

PY - 2022/1

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N2 - 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 Δn ≈ +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.

AB - 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 Δn ≈ +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.

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EP - 416

JO - Materials Horizons

JF - Materials Horizons

IS - 1

ER -

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

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