Fractal Surfaces of Molecular Crystals Mimicking Lotus Leaf with Phototunable Double Roughness Structures

被引:65
|
作者
Nishimura, Ryo [1 ]
Hyodo, Kengo [1 ]
Sawaguchi, Haruna [2 ]
Yamamoto, Yoshiaki [2 ]
Nonomura, Yoshimune [2 ]
Mayama, Hiroyuki [3 ]
Yokojima, Satoshi [4 ,5 ]
Nakamura, Shinichiro [5 ]
Uchida, Kingo [1 ]
机构
[1] Ryukoku Univ, Dept Chem Mat, Otsu, Shiga 5202194, Japan
[2] Yamagata Univ, Grad Sch Sci & Engn, Dept Biochem Engn, 4-3-16 Jo Nan, Yonezawa, Yamagata 9928510, Japan
[3] Asahikawa Med Univ, Dept Chem, 2-1-1-1 Midorigaoka Higashi, Asahikawa, Hokkaido 0788510, Japan
[4] Tokyo Univ Pharm & Life Sci, Sch Pharm, 1432-1 Horinouchi, Hachioji, Tokyo 1920392, Japan
[5] RIKEN, Innovat Ctr, Nakamura Lab, 2-1 Hirosawa, Wako, Saitama 3510198, Japan
关键词
DIARYLETHENE MICROCRYSTALLINE SURFACES; THEORETICAL EXPLANATION; WATER-REPELLENT; SUPERHYDROPHOBICITY; ACTUATORS; MEMORIES; SWITCHES;
D O I
10.1021/jacs.6b05562
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Double roughness structure, the origin of the lotus effect of natural lotus leaf, was successfully reproduced on a diarylethene microcrystalline surface. Static superwater-repellency and dynamic water drop -bouncing were observed on the surface, in the manner of natural lotus leaves. Double roughness structure was essential for water-drop bouncing. This ability was not observed on a single roughness microcrystalline surface showing the lotus effect of the same diarylethene derivative. The double roughness structure was reversibly controlled by alternating irradiation with UV and visible light.
引用
收藏
页码:10299 / 10303
页数:5
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