Abstract
The saturation of iridescent structural colours of silica colloidal film is significantly improved by addition of a small amount of the monodisperse spherical black carbon nanoparticles which are uniformly dispersed in a colloidal crystal matrix.
Highlights
Many living and non-living objects in nature exhibit structural colours based on regularly patterned structures,[1,2,3,4,5,6,7,8,9] which have attracted much attention because such colours are highly resistant to light fading
Field emission scanning electron microscopy (FE-SEM) images of the silica nanoparticles are shown in Fig. S1 (ESI†)
All polymer nanoparticles and black carbon nanoparticles obtained in this study showed high monodispersity, with low coefficient of variation (CV) values
Summary
Many living and non-living objects in nature exhibit structural colours based on regularly patterned structures,[1,2,3,4,5,6,7,8,9] which have attracted much attention because such colours are highly resistant to light fading. Stable high-contrast iridescent structural colours from silica colloidal crystals doped with monodisperse spherical black carbon particles We apply monodisperse spherical black carbon nanoparticles with varied sizes to control the iridescent structural colours from a silica colloidal crystal.
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