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- Title
High-Durability Photothermal Slippery Surfaces for Droplet Manipulation Based on Ultraviolet Lithography.
- Authors
Wen, Tong; Zhang, Chen; Gong, Yanyan; Liu, Zezhi; Zhao, Wei; Zhan, Yongjie; Zhang, Ce; Wang, Kaige; Bai, Jintao
- Abstract
Photothermal slippery surface has broad applications in many research fields for noncontacting, loss-free, and flexible droplet manipulation capability. In this work, with specific morphologic parameters and modified base materials doped by Fe3O4, a high-durability photothermal slippery surface (HD-PTSS) was proposed and implemented based on ultraviolet (UV) lithography to achieve repeatability of more than 600 cycles. The instantaneous response time and transport speed of HD-PTSS were related to near-infrared ray (NIR) powers and droplet volume. Meanwhile, the durability was closely related to the morphology of HD-PTSS, which impacts the recovering of a lubricant layer. The droplet manipulation mechanism of HD-PTSS was discussed in depth, and the Marangoni effect was found to be the key factor for the durability of HD-PTSS.
- Subjects
ULTRAVIOLET lithography; MARANGONI effect; LITHOGRAPHY; DURABILITY
- Publication
Polymers (20734360), 2023, Vol 15, Issue 5, p1132
- ISSN
2073-4360
- Publication type
Article
- DOI
10.3390/polym15051132