Journal
CHEMISTRY LETTERS
Volume 51, Issue 6, Pages 625-628Publisher
CHEMICAL SOC JAPAN
DOI: 10.1246/cl.220089
Keywords
Structural color; Microphase separation; Polymer photonic crystals
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Funding
- JSPS KAKENHI [JP21K05164]
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Polymer photonic crystals (PPCs) with selective reflection of visible light were successfully prepared using in situ microphase separation induced by reversible addition-fragmentation chain transfer (RAFT) polymerization. The addition of homopolymer facilitated the formation of PPCs with long-wavelength structural colors while maintaining the morphology of the lamellar microdomains.
Polymer photonic crystals (PPCs) that selectively reflect visible light were prepared by triblock polymerization-induced in situ microphase separation via reversible addition-fragmentation chain transfer (RAFT) polymerization. The addition of homopolymer to the polymerization system swelled a specific phase of the microdomains, enabling the preparation of PPCs with long-wavelength structural colors. Small-angle neutron scattering confirmed the increase in the domain spacing of the lamellar microdomains with the addition of homopolymer, while maintaining their morphology.
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