A5033783599- Perovskite Materials and Applications
- Conducting polymers and applications
- Advanced Data Storage Technologies
- Semiconductor materials and devices
- Solid-state spectroscopy and crystallography
- Organic Light-Emitting Diodes Research
- Cellular Automata and Applications
- Nonlinear Optical Materials Research
- Parallel Computing and Optimization Techniques
- Organic and Molecular Conductors Research
- Quantum Dots Synthesis And Properties
- Photochemistry and Electron Transfer Studies
- Luminescence and Fluorescent Materials
- Thin-Film Transistor Technologies
- 2D Materials and Applications
- ZnO doping and properties
- Semiconductor Lasers and Optical Devices
- Crystallography and molecular interactions
- Transition Metal Oxide Nanomaterials
- Magnetic properties of thin films
- Advanced Photocatalysis Techniques
SK Group (South Korea)
2020-2025
Ewha Womans University
2023-2024
Ever since a 3b/cell (TLC) NAND Flash memory became the mainstream in nonvolatile market, new demand for 4b/cell (QLC) flash has been emerging low-cost applications. However, QLC inherently much longer page program time than TLC because of 16-state programming within limited and erase (PE) window, as well narrower V <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">th</sub> distributions. The page-program time, subsequently, degrades sequential...
Triple-level-cell (TLC) NAND has prevailed the non-volatile memory market, yet quad-level-cell (QLC) is emerging as a suitable replacement for low-cost and high-density storage. However, despite its cost effectiveness QLC's market share not increasing quickly, only due to worse reliability but also slow sequential random read performance. To increase performance an independent plane operation been introduced [1], [2], pass voltage noise, caused by high I/O data-path current consumption,...
Abstract Global climate change has compelled many to rely on photovoltaic (PV) technology meet the highly demanding energy needs of urban areas. In particular, transparent (TPV) devices can be utilized for building windows, not only supplying electric but also improving overall thermal efficiency a building. this work, NiO/ZnO wide‐bandgap oxide TPV heterojunctions are fabricated with Ag nanowire (NW) top electrodes and their PV characteristics investigated. Special attention is paid...
Organic charge-transfer complex (CTC) formation has emerged as an effective molecular engineering strategy for achieving the desired optical properties via intermolecular interactions. By synthesizing organic CTCs with carbazole-based electron donors and a 7,7,8,8-tetracyanoquinodimethane acceptor adopting linker located remotely from interface within donors, we were able to modulate near-infrared absorptive short-wavelength infrared emissive properties. Structural characterizations...
The random n-monolayer phase distributions and impurity phases impose challenges to achieving blue-emission quasi-2D perovskite light emitting diodes (PeLEDs), their formation mechanism is unclear. Here, we uncover the reasons behind distribution in perovskites by probing into molecular interactions at buried interface between substrates propose a mechanistic model depict film process. Furthermore, an interfacial decoupling layer, perfluorinated ionomer, was employed successfully mitigate...
In this study, we present a novel method for controlling the growth of perovskite crystals in vacuum thermal evaporation process by utilizing vacuum-processable additive, propylene urea (PU). By coevaporation precursors with PU to form layer, PU, acting as Lewis base retards direct reaction between precursors. This facilitates larger domain size and reduced defect density. Following removal residual exhibiting improved crystallinity, demonstrates charge recombination, confirmed time-resolved...
We analyze the stability and photophysical dynamics of CsPbBr3 perovskite quantum dots (PeQDs), fabricated under mild synthetic conditions embedded in an amorphous silica (SiOx) matrix (CsPbBr3@SiOx), underscoring their sustained performance ambient for over 300 days with minimal optical degradation. However, this comes at cost a reduced photoluminescence efficiency. Time-resolved spectroscopic analyses, including flash-photolysis time-resolved microwave conductivity photoluminescence, show...
A fluorescent dye, a dithiophene-conjugated benzothiazole derivative (