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Journal Article 
High-transparency, self-standable Gel-SLIPS fabricated by a facile nanoscale phase separation 
Okada, I; Shiratori, S 
In Press 
Slippery liquid infused porous surfaces (SLIPS) that were both highly transparent and free-standing (self-standability) were fabricated by an extremely simple process using non-solvent induced phase separation (NIPS) of a poly (vinylidene fluoride-co-hexa fluoropropylene) (PVDF-HFP)/di-n-butyl phthalate (DBP) solution. We call these "Gel-SLIPS" because the porous PVDF-HFP film fabricated using the NIPS process has been used as a Gel-electrolyte in a lithium ion battery. In previous reports, SLIPS fabrication required complex processes, high anneal temperatures, and drying. Gel-SLIPS can be fabricated from the adjusted solution and the lubricant at room temperature and pressure in 5 minutes by squeegee, cast, or dip methods. NIPS is based on a quick phase separation process in situ, and reduction of the surface energy is not required because of the considerable fluorine in the PVDF-HFP. Moreover, because of the flexible nano-network structure of the PVDF-HFP, the Gel-SLIPS exhibited self-standability and high transmittance (>87 % at 600 nm). Gel-SLIPS is thus highly versatile in terms of fabrication process and film characteristics. 
• Dibutyl Phthalate (DBP)
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