A5102011549- Quantum Dots Synthesis And Properties
- Chalcogenide Semiconductor Thin Films
- Structural Health Monitoring Techniques
- Copper-based nanomaterials and applications
- Ergonomics and Musculoskeletal Disorders
- Effects of Vibration on Health
- Perovskite Materials and Applications
- Corrosion Behavior and Inhibition
- Acoustic Wave Phenomena Research
- Ultrasonics and Acoustic Wave Propagation
- Vehicle Noise and Vibration Control
- Electromagnetic Launch and Propulsion Technology
- Phase-change materials and chalcogenides
- Noise Effects and Management
- Structural Response to Dynamic Loads
- solar cell performance optimization
- Machine Fault Diagnosis Techniques
- Sensor Technology and Measurement Systems
- Hydrogen embrittlement and corrosion behaviors in metals
- Engineering Applied Research
- Botulinum Toxin and Related Neurological Disorders
- Advanced machining processes and optimization
- Occupational Health and Performance
- Karst Systems and Hydrogeology
- Ferrocene Chemistry and Applications
Korea Institute of Energy Research
2012-2025
University of Science and Technology
2025
Korea University of Science and Technology
2017-2025
Uiduk University
2015-2021
Pusan National University
2003-2017
Seoul National University
2012
University of Southampton
2005
Human Factors (Norway)
2005
Korea Advanced Institute of Science and Technology
2001-2004
High-performance cascaded-junction quantum dot solar cells (CJQDSCs) are fabricated from as-prepared highly monodispersed lead sulfide QDs. The have a high power conversion of 9.05% and short-circuit current density 32.51 mA cm–2. A reliable effective stratagem for fabricating high-quality dots (QD) is explored through "monomer" concentration-controlled experiment. Robust QDSC performances with different band gaps demonstrated the as-proposed synthesis processing stratagems. Various...
The purpose of this study was to establish the validity and reliability newly developed surface electromyography (sEMG) device (PSL-EMG-Tr1) compared with a conventional sEMG (BTS-FREEEMG1000). In total, 20 healthy participants (10 males, age 30.3 ± 2.9 years; 10 females, 22.3 2.7 years) were recruited. EMG signals recorded simultaneously on two devices during three different isometric contractions (maximal voluntary contraction (MVIC, 40% MVIC, 80% MVIC)). Two trials performed, same session...
In this paper, we demonstrate, for the first time, manufacture of a CuInSe2 thin film whose absorber layer is coated using an electrostatic spray deposition (ESD) technique; its complete transformation into working device with measured conversion efficiency presented. ESD superior to pneumatic spraying because it produces nano-scaled, self-dispersive (non-agglomerating), highly wettable (electrowetting) and adhesive droplets yield uniform coating on substrate. Furthermore, ESD's extremely...
Envelope analysis is a widely used tool for fault detection in rotating machines. In envelope analysis, impulsive noise contaminates the measured signal, making it difficult to extract features of defects. This paper proposes time–frequency that overcomes effects noises. performed by dividing signal into several sections through time window. The effect noises eliminated using frequency characteristics short rectangular wave. proposed method was verified simulation and experimental data....
Frequency weighting functions that reflect the frequency characteristics of human body must be applied in order to measure and assess amount vibration. These functions, differently according part exposed vibration direction, exist form transfer are mandated by international standards. To efficiently apply measured acceleration time signal, it is essential design digital filters for such functions. consist from high orders. The z-transform process performed filter applicable range also varies...