Metallosupramolecular Photonic Elastomers with Self‐Healing Capability and Angle‐Independent Color

Photonic elastomers that can change colors like a chameleon have shown great promise in various applications. However, it still remains a challenge to produce artificial photonic elastomers with desired optical and mechanical properties. Here, the generation of metallosupramolecular polymer‐based ph...

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Bibliographic Details
Published in:Advanced materials (Weinheim) Vol. 31; no. 6; pp. e1805496 - n/a
Main Authors: Tan, Haiying, Lyu, Quanqian, Xie, Zhanjun, Li, Miaomiao, Wang, Kui, Wang, Ke, Xiong, Bijin, Zhang, Lianbin, Zhu, Jintao
Format: Journal Article
Language:English
Published: Germany Wiley Subscription Services, Inc 08.02.2019
Subjects:
angle‐independent
Cerium
Chlorides
Color
Elastomers
Elongated structure
Healing
Materials science
Mechanical properties
metallosupramolecular coordination
Modulus of elasticity
Nanoparticles
Optical coatings
Optical properties
photonic crystals
Photonics
Polydimethylsiloxane
self‐healing
Silicon dioxide
Wearable technology
photonic crystals
elastomers
angle-independent
metallosupramolecular coordination
self-healing
ISSN:0935-9648, 1521-4095, 1521-4095
Online Access:Get full text
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Summary:Photonic elastomers that can change colors like a chameleon have shown great promise in various applications. However, it still remains a challenge to produce artificial photonic elastomers with desired optical and mechanical properties. Here, the generation of metallosupramolecular polymer‐based photonic elastomers with tunable mechanical strength, angle‐independent structural color, and self‐healing capability is reported. The photonic elastomers are prepared by incorporating isotropically arranged monodispersed SiO2 nanoparticles within a supramolecular elastomeric matrix based on metal coordination interaction between amino‐terminated poly(dimethylsiloxane) and cerium trichloride. The photonic elastomers exhibit angle‐independent structural colors, while Young's modulus and elongation at break of the as‐formed photonic elastomers reach 0.24 MPa and 150%, respectively. The superior elasticity of photonic elastomers enables their chameleon‐skin‐like mechanochromic capability. Moreover, the photonic elastomers are capable of healing scratches or cuts to ensure sustainable optical and mechanical properties, which is crucial to their applications in wearable devices, optical coating, and visualized force sensing. Photonic elastomers with self‐healing capability and angle‐independent color are fabricated through the combination of a supramolecular elastomer with isotropic nanostructures, exhibiting chameleon‐skin‐like mechanochromic capability. Interestingly, the photonic elastomers are capable of healing scratches or cuts, ensuring the optical and mechanical properties.
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ISSN:0935-9648
1521-4095
1521-4095
DOI:10.1002/adma.201805496