Abstract Surface wetting, the phenomenon where a liquid spreads or adheres to solid surface, plays crucial role in both natural and technological fields. This study focuses on elucidating relationship between surface properties wetting behavior, emphasizing significance of hierarchical structures. A 3D structure is created by controlling shape size through electroplating chemical reactions, adjusted current intensity, ammonium persulfate, hydroxide concentrations. modification achieved...

Abstract Electroless plating is a solution‐based metal deposition technique through redox reaction, without external power. Due to its simple, versatile, and low‐cost process, coupled with high compatibility various metals, electroless has become key technology in many industrial fields such as electronics, automotive, aerospace, biomedical engineering. Recent advances have enabled sophisticated on polymers three‐dimensional surfaces, making it prominent emerging selective laser sintering,...

Superhydrophobic surfaces, i.e., surfaces with a water contact angle (WCA) ≥ 150°, have gained much attention as they are multifunctional features such self-cleaning, which can be useful in various applications those requiring waterproof and/or protective films. In this study, we prepared solution from recycled polyethylene terephthalate (PET) and fabricated superhydrophobic surface using electrospinning electrospraying processes. We observed that the geometry varies depending on conditions,...

Transparent conducting electrodes (TCE) are widely used in a variety of applications including displays, light-emitting diodes (LEDS), and solar cells. An important factor TCE design is active control the sheet resistance transparency; as these inversely proportional, it essential to develop technology that can maintain high transparency, while actively controlling resistance, for range applications. Here, nanofiber network was fabricated based on direct electrospinning onto...

Flexible transparent electrodes (FTEs) are widely used in a variety of applications, including flexible displays and wearable devices. Important factors FTE design include active control electrical sheet resistance, optical transparency mechanical flexibility. Because these inversely proportional to one another, it is essential develop technique that maintains flexibility while actively controlling the resistance for applications. This research presents new method fabricating on polyimide...

Abstract Electrodes in traditional electrospinning processes have been used to directly collect nanofibers, or induce a modified electric field aligned nanofibers. In this context, many studies carried out overcome the limitations of simple metal electrodes. study, sub‐millimeter‐scale electrospun nanofiber patterning technique is proposed, which uses functional electrolyte as collector electrode between an and substrate. Adhesion nanofibers substrate promoted by using polydopamine solution...

Despite their advantages in different applications, structural colors are difficult to use because of the inability change a color once it is implemented, as well high fabrication costs; implementing multiple simultaneously on one substrate challenge well. In this study, were reproduced using quasi-ordered scattering mitigate these issues. To end, ZnO flower-like structure having unimodal distributions size and spacing was fabricated by hydrothermal growth. This nanostructure has thickness...

Point cloud data-based edge line extraction is an important task for accurate geometrical inspection of precast concrete (PC) elements in the construction industry. Although a few algorithms have been developed so far based on point data, little attention has paid which algorithm performs best terms estimation accuracy. To tackle research gap, this study aims to evaluate currently available order determine optimal precise PC elements. do this, simulated scan points are first generated and...

Traditional ZnO hydrothermal synthesis for producing nanostructured colors requires a seed layer and reflective layer, which, in turn, high-temperature heat treatment. This requirement limits the choice of substrates to only those with high resistance. Our study presents simplified fabrication procedure address limitations existing structured color methods leverage benefits low-temperature solution processes. By depositing Au on substrate function as catalyst we eliminated need associated...

In whole-cell based biosensors, spectrophotometry is one of the most commonly used methods for detecting organophosphates due to its simplicity and reliability. The sensor performance directly affected by cell immobilization method because it determines amount cells, mass transfer rate, stability. this study, we demonstrated that our previously-reported microbe method, a microbe-attached single-walled carbon nanotube film, can be applied whole-cell-based organophosphate sensors. This has...

Microelectrodes are widely used for neural signal analysis because they can record high-resolution signals. In general, the smaller size of microelectrode obtaining a signal, higher impedance and noise value electrodes. Therefore, to improve signal-to-noise ratio (SNR) signals, it is important develop microelectrodes with low noise. this research, an Au hierarchical nanostructure (AHN) was deposited electrochemical surface area (ECSA) microelectrode. nanostructures on different scales were...

We developed a novel fabrication method for nanochannels that are easily scaled up to mass production by selectively growing zinc oxide (ZnO) nanostructures and covering using flat PDMS surface make hollow nanochannels. Nanochannels used in the biotechnological environmental fields, being employed DNA analysis water purification, due their unique features of capillary-induced negative pressure an electrical double-layer overlap. However, existing nanochannel methods complicated, costly, not...

Abstract Liquid pumping can occur along the outer surface of an electrode under a DC electric field. For biological applications, better understanding ionic solution mechanism is required. Here, we fabricated CNT wire electrodes (CWEs) and tungsten (TWEs) various diameters to assess pumping. A field created by bias several volts pumped in direction negatively biased electrode. The resulting electro-osmotic flow was attributed movement double layer near rates CWEs were on order picoliters per...

We report a simple method for electrospinning polymers onto flexible, insulating substrates by controlling the wettability of substrate surface. Water molecules were adsorbed surface hydrophilic polymer increasing local humidity around substrate. The water was used as ground electrode electrospinning. electrospun fibers deposited only areas substrate, allowing patterning through control. Direct writing fiber also possible near-field

In this study, a three-dimensional (3D) porous sponge capable of oil–water separation was fabricated using recycled expanded polystyrene (EPS) through 3D electrospinning, by adding phosphoric acid to the electrospinning solution. The fabrication process rapid and efficient single-step produce sponge. addition, additive’s concentration also optimized for oil absorption. EPS highly effective in due its excellent hydrophobic oleophilic properties. This demonstrates potential as sustainable...

In this report, we present the development of a copper nanofiber network-based microheater, designed for applications in electron microscopes, gas sensing, and cell culture platforms. The seed layer, essential electroless deposition, was fabricated through electrospinning palladium-contained polyvinylpyrrolidone solution followed by heat treatment. This process minimized contact resistance between nanofibers. We successfully microheater with evenly distributed temperature controlling time,...

Structural color was generated using electrospinning and hydrothermal growth of zinc oxide (ZnO). An aligned seed layer prepared by electrospinning, the time control adjusted to generate various structural colors. The changed according angle incident light. When light parallel direction nanofibers, no pattern observed. This is referred as an "optical switching pattern." Replication polydimethylsiloxane (PDMS) also enabled generation colors; this attractive approach for mass production....

Electrospinning is a technology that can produce nanofibers with high aspect ratio. Generally, the nanofiber produced in this way collected randomly on collector. In article number 1701204 Geon Hwee Kim, Taechang An, Geunbae Lim and co-workers develop electrospinning technique using patterned functional electrolyte as Because through hydrophobicity control substrate, it not affected by thickness of collector possible to pattern aligned locally according patterning electrolyte. The...

Oblique submicron-scale structures are used in various aspects of research, such as the directional characteristics dry adhesives and wettability. Although deposition, etching, lithography techniques applied to fabricate oblique structures, these approaches have problem controllability or throughput structures. Here, we propose a simple X-ray-lithography method, which can control angle with areas on centimeter scale. An X-ray mask was fabricated by gold film deposition slanted Using this...