期刊
LANGMUIR
卷 26, 期 18, 页码 14885-14888出版社
AMER CHEMICAL SOC
DOI: 10.1021/la102406u
关键词
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资金
- National Natural Science Foundation of China [50703020]
- National Key Basic Research and Development Program of China [2009CB930602]
The observation of the sin face of a red rose petal indicates that there arc micropapillae on the surface and many nanofolders exist on each papilla. Here, much tinier nanorods with periodic pattern on the nanofolders can be seen by in situ atomic force microscopy (AFM) Angle-resolved UV-vis spectral measurement and reflectance UV-vis spectra by immersion red rose petal in solvents with different refractive indices demonstrate that such periodic nanostructures can induce structural color The combination of structural color, driven by the nanostructures, and chemical color, driven by pigments, provide flowers bright color and special functions for human and animals' visual system Biomimic polymer films, that fabricated by duplicating the petal's hierarchical micro/nano structures, exhibit only structural color by UV-vis spectra since there is no pigment introduced
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