Magnetoresponsive Discoidal Photonic Crystals Toward Active Color Pigments

Magnetoresponsive Discoidal Photonic Crystals Toward Active Color Pigments

Photonic microdisks with a multilayered structure are designed from photocurable suspensions by step‐by‐step photolithography. In each step of photolithography, either a colloidal photonic crystal or a magnetic‐particle‐laden layer is stacked over the windows of a photomask. Sequential photolithogra...

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Veröffentlicht in:Advanced materials (Weinheim) 2014-09, Vol.26 (33), p.5801-5807
Hauptverfasser: Lee, Hye Soo, Kim, Ju Hyeon, Lee, Joon-Seok, Sim, Jae Young, Seo, Jung Yoon, Oh, You-Kwan, Yang, Seung-Man, Kim, Shin-Hyun
Format: Artikel
Sprache:eng
Schlagworte:
colloidal crystals
Colloids
Color
lithography
Magnetic fields
magnetic functionality
Photolithography
Photomasks
Photonic crystals
Photonics
Pigments
structural color
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Beschreibung
Zusammenfassung:Photonic microdisks with a multilayered structure are designed from photocurable suspensions by step‐by‐step photolithography. In each step of photolithography, either a colloidal photonic crystal or a magnetic‐particle‐laden layer is stacked over the windows of a photomask. Sequential photolithography enables the creation of multilayered photonic microdisks that have brilliant structural colors that can be switched by an external magnetic field.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201401155