中国激光, 2021, 48 (6): 0602201, 网络出版: 2021-03-09
纳秒激光诱导超疏水硅橡胶表面微结构的分形特性 
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Fractal Characteristics of Microstructures on a Superhydrophobic Silicone Rubber Surface Induced by a Nanosecond Laser
图 & 表
图 1. 纳秒激光刻蚀硅橡胶表面加工系统。(a)激光加工系统;(b)激光扫描方式
Fig. 1. Schematic of nanosecond laser etching silicon rubber surface processing system. (a) Laser processing system; (b) laser scanning method
图 2. 不同激光能量密度处理后的硅橡胶表面的接触角和滚动角。(a)接触角;(b)滚动角
Fig. 2. Contact angle and rolling-off angle on silicone rubber surface treated with different energy densities. (a) Contact angle; (b) rolling-off angle
图 3. 硅橡胶表面经不同能量密度激光刻蚀后的EDS图谱
Fig. 3. EDS spectra of silicone rubber surface after laser etching with different laser fluences
图 4. 不同能量密度激光刻蚀后的硅橡胶表面FTIR光谱
Fig. 4. FTIR spectra of silicon rubber surface after laser etching with different laser fluences
图 5. 不同激光能量密度处理后的硅橡胶表面微结构。(a) 7.5 J/cm2;(b) 10 J/cm2;(c) 12.5 J/cm2;(d) 15 J/cm2
Fig. 5. Microstructures on silicone rubber surfaces treated with different laser fluences. (a) 7.5 J/cm2; (b) 10 J/cm2; (c) 12.5 J/cm2; (d) 15 J/cm2
图 6. 不同激光能量密度处理后的硅橡胶表面粗糙度。(a) 5.0~20.0 J/cm2; (b) 7.5~10.0 J/cm2
Fig. 6. Surface roughness of silicone rubber treated with different laser fluences. (a) 5.0--20.0 J/cm2; (b) 7.5--10.0 J/cm2
图 7. 不同激光能量密度处理后的硅橡胶表面轮廓曲线分形维数。(a) 5.0~20.0 J/cm2; (b) 7.5~10.0 J/cm2
Fig. 7. Fractal dimension of surface profile of silicone rubber treated with different laser fluences. (a) 5.0--20.0 J/cm2; (b) 7.5--10.0 J/cm2
图 8. 硅橡胶表面水滴状态模型图。(a)大颗粒和小颗粒的复合结构;(b)微纳米颗粒结构;(c)板状结构和微纳米颗粒结构;(d)板状结构和复合颗粒结构
Fig. 8. State models of water droplets on silicone rubber surface. (a) Composite structure of large and small particles; (b) micro-nano particles; (c) plate structure and micro-nano particles; (d) plate structure and composite small particle structure
陈列, 文关棋, 郭飞, 胡涛, 刘顿. 纳秒激光诱导超疏水硅橡胶表面微结构的分形特性[J]. 中国激光, 2021, 48(6): 0602201. Lie Chen, Guanqi Wen, Fei Guo, Tao Hu, Dun Liu. Fractal Characteristics of Microstructures on a Superhydrophobic Silicone Rubber Surface Induced by a Nanosecond Laser[J]. Chinese Journal of Lasers, 2021, 48(6): 0602201.
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