Structural Coloration of a Colloidal Amorphous Array is Intensified by Carbon Nanolayers

In this study, we introduce the possibility of applying a colloidal amorphous array composed of fine silica particles as a structural-color material to invisible information technology. The appearance of a thick filmlike colloidal amorphous array formed from fine silica particles is considerably inf...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 34(2018), 14 vom: 10. Apr., Seite 4282-4288
1. Verfasser: Takeoka, Yukikazu (VerfasserIn)
Weitere Verfasser: Iwata, Masanori, Seki, Takahiro, Nueangnoraj, Khanin, Nishihara, Hirotomo, Yoshioka, Shinya
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't
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520 |a In this study, we introduce the possibility of applying a colloidal amorphous array composed of fine silica particles as a structural-color material to invisible information technology. The appearance of a thick filmlike colloidal amorphous array formed from fine silica particles is considerably influenced by incoherent light scattering across the entire visible region. Therefore, regardless of the diameter of the fine silica particles, the thick colloidal amorphous array exhibits a white color to the naked eye. When carbon is uniformly deposited in the colloidal amorphous array by a pressure-pulsed chemical vapor deposition method, incoherent light scattering in the colloidal amorphous array is suppressed. As a result, coherent light scattering due to the short-range order in the colloidal amorphous array becomes conspicuous and the array exhibits a vivid structural color. As structures, such as letters and pictures, can be drawn using this technology, the colloidal amorphous array as a structural-colored material may also be applicable for invisible information technology 
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650 4 |a Research Support, Non-U.S. Gov't 
700 1 |a Iwata, Masanori  |e verfasserin  |4 aut 
700 1 |a Seki, Takahiro  |e verfasserin  |4 aut 
700 1 |a Nueangnoraj, Khanin  |e verfasserin  |4 aut 
700 1 |a Nishihara, Hirotomo  |e verfasserin  |4 aut 
700 1 |a Yoshioka, Shinya  |e verfasserin  |4 aut 
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