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This paper provides a nano-scale simulation model to study the UV nanoimprint lithography. Simulation of molecular dynamic is used to calculate the interfacial stress between the mold and pattern-transfer-polymer layer. Energy minimization was performed to find the equilibrium molecule configuration of the material system using the ensemble of the constant number of particles, constant-volume and...
Epidermal pressure sensor that directly contacts with human skin can be used to monitor physiological signals, such as pulse, blood pressure, and heartbeat etc. Although promising stretchable substrates and electrodes were developed in the past, there is a need for a technology to produce inexpensive epidermal pressure sensor that is sensitive to a low-pressure regime and is flexible and stretchable...
This paper provides a roller type nano-pattern transfer process, which is based on UV nanoimprint lithography, for nano-patterning on both rigid and flexible substrates. By using UV-curable polymer resist, room temperature and low pressure process, which is possible to apply to flexible films, is introduced. PDMS and PVA soft molds that can have conformal contact with large area non-flat substrate...
Surface wettability is known that is not only governed by chemical structure but also by the surface geometrical structure. A multiscale approach on rough surface wettability study was presented in this paper. The wettability study of photo-switched trans and cis isomers of azobenzene on different substrates was first calculated by molecular dynamics calculations. Different chemical structures and...
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