期刊
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION
卷 32, 期 6, 页码 1109-1117出版社
OPTICAL SOC AMER
DOI: 10.1364/JOSAA.32.001109
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资金
- National Science and Technology Pillar Program [2013BAF08B06]
- National Natural Science Foundation of China (NSFC) [21276042]
- Program for Liaoning Excellent Talents in University [LJQ2013006]
- Program for New Century Excellent Talents in University [NCET130080]
The self-assembly of silica microspheres into a close-packed array is a simple method of fabricating three-dimensional photonic crystal structural color films. However, the color is very dull because of the interferences of scattering and background light. In this study, we added a small quantity of surface-modified carbon black (CB) to the system of colloidal silica in n-propanol. The use of n-propanol as a dispersant is beneficial to the rapid development of photonic crystal films during the process of dip-coating. The doping of CB into silica microspheres can absorb background and scattering light, resulting in vivid structural colors. (C) 2015 Optical Society of America
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