Deconvoluting the Optical Response of Biocompatible Photonic Pigments.
Block Copolymers
Confinement
Inverse Photonic Glasses
Self-Assembly
Structural Color
Journal
Angewandte Chemie (International ed. in English)
ISSN: 1521-3773
Titre abrégé: Angew Chem Int Ed Engl
Pays: Germany
ID NLM: 0370543
Informations de publication
Date de publication:
22 08 2022
22 08 2022
Historique:
received:
04
05
2022
pubmed:
21
6
2022
medline:
19
8
2022
entrez:
20
6
2022
Statut:
ppublish
Résumé
To unlock the widespread use of block copolymers as photonic pigments, there is an urgent need to consider their environmental impact (cf. microplastic pollution). Here we show how an inverse photonic glass architecture can enable the use of biocompatible bottlebrush block copolymers (BBCPs), which otherwise lack the refractive index contrast needed for a strong photonic response. A library of photonic pigments is produced from poly(norbornene-graft-polycaprolactone)-block-poly(norbornene-graft-polyethylene glycol), with the color tuned via either the BBCP molecular weight or the processing temperature upon microparticle fabrication. The structure-optic relationship between the 3D porous morphology of the microparticles and their complex optical response is revealed by both an analytical scattering model and 3D finite-difference time domain (FDTD) simulations. Combined, this allows for strategies to enhance the color purity to be proposed and realized with our biocompatible BBCP system.
Identifiants
pubmed: 35723924
doi: 10.1002/anie.202206562
pmc: PMC9542403
doi:
Substances chimiques
Norbornanes
0
Plastics
0
Polymers
0
Polyethylene Glycols
3WJQ0SDW1A
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
e202206562Subventions
Organisme : Biotechnology and Biological Sciences Research Council
ID : BB/K014617/1
Pays : United Kingdom
Organisme : Biotechnology and Biological Sciences Research Council
ID : BB/V00364X/1
Pays : United Kingdom
Informations de copyright
© 2022 The Authors. Angewandte Chemie International Edition published by Wiley-VCH GmbH.
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