A5047897016- Nanofabrication and Lithography Techniques
- Microfluidic and Capillary Electrophoresis Applications
- Organic Light-Emitting Diodes Research
- Photonic and Optical Devices
- Photonic Crystals and Applications
- Optical Coatings and Gratings
- Innovative Microfluidic and Catalytic Techniques Innovation
- Nanomaterials and Printing Technologies
- Advancements in Photolithography Techniques
- Plasmonic and Surface Plasmon Research
- Nanowire Synthesis and Applications
- 3D Printing in Biomedical Research
- ZnO doping and properties
- Luminescence and Fluorescent Materials
- Organic Electronics and Photovoltaics
- Advanced biosensing and bioanalysis techniques
- Additive Manufacturing and 3D Printing Technologies
- Electrowetting and Microfluidic Technologies
- Molecular Junctions and Nanostructures
- Quantum Dots Synthesis And Properties
- Semiconductor Lasers and Optical Devices
- Microfluidic and Bio-sensing Technologies
- Electrochemical sensors and biosensors
- Electrochemical Analysis and Applications
- GaN-based semiconductor devices and materials
Bandung Institute of Technology
2021-2024
Kiel University
2011-2015
In this study, we reported the construction of Gold Nanospike (AuNS) structures on surface screen-printed carbon electrode (SPCE) used for non-enzymatic electrochemical detection. This modification was prepared with a one-step electrodeposition method by controlling parameters, such as applied potential and deposition time, via Constant Potential Amperometry (CPA). Those parameters precursor solution concentration were varied to investigate optimum configuration. The results confirmed that...
We demonstrate that blending of TiO2 nanoparticles into nanoimprint polymer resist yields a composite material with an increased optical refractive index suitable for lithography. Complex indices n400nm = 1.94-i0.009, n500nm 1.86-i0.003, and n600nm 1.83-i0.002 are predicted materials 30% 35-nm diameter in Amonil UV resist. Layers concentrations 1 to 30 volume% blended the prepared by spin-coating. Good agreement between measured properties is obtained. Using imprint periodic linear gratings...
We present a self-aligned optical all integrated measurement section on single substrate consisting of an organic light-emitting diode (OLED) as light source and photodetector (OPD), both fabricated by spin-coating. Areas the layers, that are not required, removed oxygen plasma treatment. No additional shadow mask is used in this structuring process metal cathodes protect underlying layers. The functionality optoelectronic components maintained. devices characterized current-voltage (I-V)...
Photonic crystal slabs integrated into organic light-emitting diodes (OLEDs) allow for the extraction of waveguide modes and thus an increase in OLED efficiency. We fabricated linear Bragg gratings with a 460-nm period on flexible polycarbonate substrates using UV nanoimprint lithography. A hybrid organic–inorganic resist is used that serves also as high refractive index layer. OLEDs composed poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS) polymer anode, emission layer...
The extraction of guided modes from a 100 nm organic emission layer by compound binary gratings with multiple superimposed periods at different ratios is investigated. We measure angle-dependent photoluminescence samples double-period (350 and 450 nm), triple-period (350, 400, multiperiod 450, 500 nm) show that each period component produces two outcoupling features due to first-order Bragg scattering the TE(0) mode. averaged angular color change reduced up factor 11 compared single-period...
A wide range of Light Emitting Diodes (LEDs) applications, from general lighting to transmission sources the Visual Communication (VLC) system, makes LEDs very important be developed. This research focuses on comparing LED performance due variation in surface size and shape LED. The method is carried out with a simulation an experimental approach. Before experiment, was simulated nanopattern variations determine best fabrication parameter. using Ansys Lumerical FDTD 2021. experiment used...
Rapid advances in information technology rely on novel patterning techniques. The authors present a simple UV capillary force lithography process, which allows one to imprint multiscale system, consisting of 250 nm wide nanobridges and 8–20 μm wiring step. An additional annealing step for 5 min at 75 °C improved the rise.
We present a low-cost and simple method to fabricate novel lock-and-key mixer microfluidics using an economic stereolithography (SLA) three-dimensional (3D) printer, which costs less than USD 400 for the investment. The proposed study is promising high throughput fabrication module, typically limited by conventional fabrications, such as photolithography polymer-casting methods. demonstrate modular connector its chamber modules with optimized parameters, exposure condition printing...
We present a compact optical measurement system with wet-processed organic light-emitting diodes (OLEDs) and photodiodes (OPDs) placed on single substrate. Refractometric measurements based changed waveguiding properties are demonstrated.
Abstract Light Emitting Diode (LED) technology is very common in everyday life. Due to the large refractive index difference between LED material and air, many excited photons from active layer cannot be passed on thereby Total Internal Reflection (TIR) will occur reducing Extraction Efficiency (LEE) of LED. The use nanopatterns surface can help trapped get out by changing direction angle photons’ propagation. Because shape nanopattern affect increase LEE LEDs its fabrication expensive,...
Biosensors based on nanomaterial have attracted so much interest due to their high-performance potential. Its structure allows the biosensor high sensitivity and selectivity. Nanopillar (NPLA) is one class of material with unique properties, especially optical properties. properties cause it be that has drawn attention recently. The advantages owned by NPLA, including surface area its provide possibility build a sensitive layer for very promising health medical applications. This also offers...
Abstract We present a low-cost and simple method to fabricate microfluidic modules directly on submillimeter scale utilizing an economic stereolithography (SLA) three-dimensional (3D) printer, which only costs less than 400 USD for the investment. The proposed study is promising high throughput fabrication module, typically limited by conventional fabrications, such as photolithography polymer casting methods. demonstrate two lock-and-key modular fluidic platforms connector chamber with...
Waveguide mode extraction with multi-periodic photonic crystals is studied in experiment and finite-difference time-domain (FDTD) simulations. Flexible nanostructured organic light-emitting diodes (OLEDs) are fabricated by UV nanoimprint lithography.
We produce multiperiod gratings in Ta2O5 using nanoimprint lithography combination with reactive ion etching. The photoluminescence spectrum of an emitter layer on a grating is demonstrated to exhibit multiple peaks enhanced emission.