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Fabrication of structurally-colored fibers with axial core-shell structure via electrophoretic deposition and their optical properties

AuthorsShi, Lei; Zhang, Ke-Qin
Issue Date2013
PublisherAmerican Chemical Society
CitationACS Macro Letters 2(2): 116-120 (2013)
AbstractStructurally colored fibers were fabricated using different-sized polystyrene (PS) nanospheres via electrophoretic deposition on conductive carbon fiber surfaces. The reflective spectra corresponding to different colors were taken by microzone and angle-resolved spectrometers from a single colloidal fiber. As confirmed by structural analysis, the outer layer of the core-shell colloidal fibers consisted of face-centered cubic (f.c.c.) domains without long-range order. It is revealed that the absence of long-range order in the colloidal assembly caused isotropic reflection in radial and longitudinal directions on the colloidal fibers. Furthermore, due to the incorporation of random defects during growth process, the experimental spectra are blue-shifted and broad compared to reflective spectra calculations based on the curved f.c.c. structure. This technique is speculated to have potential application in structural coloration and radiation-proof fabrics. © 2013 American Chemical Society.
Identifiersdoi: 10.1021/mz300517n
e-issn: 2161-1653
Appears in Collections:(ICMM) Artículos
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