Journal
JOURNAL OF APPLIED PHYSICS
Volume 115, Issue 23, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4883763
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Funding
- National Key Basic Research Program of China (973 Program) [2012CB326400, 2012CB326406]
- International Science and Technology Cooperation Program of China [2012DFA11070]
- Special Development Program of Central Financial Support to Local Universities [2011-183]
- National Natural Science Foundation Program of China [61176002]
- Doctoral Program of Higher Education of China [20112216110002]
- Jilin Provincial Science and Technology Program [201115157, 20110704]
- Guangdong Science and Technology Program [2009B091300006, 2011B010700101]
- Science and Technology Program of Changchun City [09GH07, 11KP04]
- Program of Changchun University of Science and Technology [2013S001]
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Inspired by nature, a number of techniques have been developed to fabricate the bionic structures of lotus leaves and moth eyes in order to realize the extraordinary functions of self-cleaning and antireflection. Compared with the existing technologies, we present a straightforward method to fabricate well-defined micro and nano artificial bio-structures in this work. The proposed method of direct laser interference nanomanufacturing (DLIN) takes a significant advantage of high efficiency as only a single technological procedure is needed without pretreatment, mask, and pattern transfer processes. Meanwhile, the corresponding structures show both antireflection and superhydrophobicity properties simultaneously. The developed four-beam nanosecond laser interference system configuring the TE-TE-TE-TE and TE-TE-TE-TM polarization modes was set up to generate periodic micro cone and hole structures with a huge number of nano features on the surface. The theoretical and experimental results have shown that the periodic microcone structure exhibits excellent properties with both a high contact angle (CA = 156.3 degrees) and low omnidirectional reflectance (5.9-15.4%). Thus, DLIN is a novel and promising method suitable for mass production of self-cleaning and antireflection surface structures. (C) 2014 AIP Publishing LLC.
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