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We have developed a simple method adopting double-patterning technique to extend the I-line stepper limit for the sub-100 nm poly-Si pattern generation in this work. Through in-line and cross-sectional scanned electron microscopic analyses of the generated patterns, we confirmed the feasibility of the double-patterning technique for the fabrication of nano-scale devices. Resolution capability o...

The ease of integration and a large second-order nonlinear coefficient of atomically thin layered two-dimensional (2D) materials presents a unique opportunity to realize second-order nonlinearity in a silicon compatible integrated photonic system. However, the phase-matching requirement for second-order nonlinear optical processes makes the nanophotonic design difficult. We show that by nano-pa...

The spin-coated thin-film morphology of poly(4-vinylpyridine) has been studied by AFM; the dark lines or disks (circular holes) in the AFM height images correspond to the depressed regions. An epitaxy-like ‘‘nano-trench’’ pattern was observed in the noncrystalline polymer film deposited on the crystalline graphite substrate. The transition from surface-templated to isotropic dewetting occurs du...

The blue light-dependent interaction between the proteins iLID and Nano allows recruiting and patterning proteins on GUV membranes, which thereby capture key features of patterns observed in nature. This photoswitchable protein interaction provides non-invasive, reversible and dynamic control over protein patterns of different sizes with high specificity and spatiotemporal resolution.

Nanoimprinting technology was first developed in 1995 and is now recognized as one of the most promising approaches for large-area and low-cost fabrication of nanostructures. In this presentation, three types of roller-based nanoimprinting and contact-printing methods developed in NCKU in recent years will be addressed. First of all, a Laser-Assisted Roller Imprinting (LARI) method which can di...

The precise control over the interaction between cells and the surface of materials plays a crucial role in optimizing the integration of implanted biomaterials. In this regard, material surface with controlled topographic features at the micro- and nano-scales has been proved to affect the overall cell behavior and therefore the final osseointegration of implants. Within this context, femtosec...

Research in recent years has greatly advanced the understanding and capabilities of multi-beam interference (MBI). With this technology it is now possible to generate a wide range of one-, two-, and three-dimensional periodic optical-intensity distributions at the microand nano-scale over a large length/area/volume. These patterns may be used directly or recorded in photo-sensitive materials us...