Updated August 21, 2017
■ Example of research topics ■
Solar
- 4 junction by wafer bonding
Growth of InGaAs(P) in a large-scale MOVPE reactor using TBAs and TBP for photovoltaic applications - High-speed MOVPE
Extremely high-speed GaAs growth by MOVPE for low-cost PV application - EL and PL characterization
Photoluminescence and Electroluminescence characterization of solar cells - Thin-film multi-junction (design and light trapping)
Feasibility of thin-film InGaP/GaAs/InGaAs multi-junction solar cells using light trapping for low-cost and high-efficiency applications - 1.15 eV middle cell with MQWs
Strain-balanced multiple quantum wells for efficiency enhancement of multi-junction solar cells - Theoretical modeling of MQWs (quasi bulk approach and cell design)
Direct observation of carrier transport dynamics in quantum structures using time-of-flight technique - WoW
High-efficiency photovoltaic solar cells using Wire on Well structure - ELO
Substrate reuse with Epitaxial Lift-Off for low-cost solar cell applications - Dilute nitride MQW
Diluted-N Multiple Quantum Well Solar Cells with Flat Conduction Band Structure for Solar Cell Applications
Growth
- III-V on Si photo detector
Investigation of growth mechanism of InGaAs microdiscs on Si and application to infrared photodetectors - III-V on Si solar cell
III-V on Si growth technology for high-efficiency, low-cost tandem solar cells
LED
- Chip-white LED
Phosphor-free chip-white LED using InGaN/nano-AlN emitter
Solar Fuel
- CPV + water electrolysis
High efficiency solar hydrogen production combining concentrator photovoltaic modules and water electrolyzers - CO2 reduction
Electrochemical carbon dioxide (CO2) reduction for solar fuel production - Semiconductor/electrolyte interface
Investigation of photoelectrochemical reaction by extended semiconductor physics - Polarization-controlled nitride photocathode
Polarization-controlled nitride photocathode - Design of energy management system using hydrogen-based power storage
Solar to Hydrogen Energy Conversion System
Quantum modeling
- Quantum modeling of insulators
Quantitative evaluation of charge transfer in dielectrics based on first principles calculation