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Optofluidic Synthesis of Electroresponsive Photonic Janus Balls with Isotropic Structural Colors
Author(s) -
Kim ShinHyun,
Jeon SeogJin,
Jeong Woong Chan,
Park Hyo Sung,
Yang SeungMan
Publication year - 2008
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200801167
Subject(s) - janus , materials science , structural coloration , isotropy , photonics , dispersity , anisotropy , emulsion , electric field , janus particles , colloid , nanotechnology , dendrimer , photonic crystal , optics , optoelectronics , chemical engineering , polymer chemistry , physics , engineering , quantum mechanics
Electroresponsive photonic Janus balls with optical and electrical anisotropy were prepared using a high‐throughput optofluidic device, which produced monodisperse emulsion drops. Self‐organized colloidal crystals in emulsion droplets displayed isotropic structural colors in their own respective domains. Electrical anisotropy induced by the presence of carbon black enabled alignment of the balls under the AC electric field.