Research

Overview

  • Semiconductor materials and device physics

  • Control of nano- and micro-structures of thin films

  • Structure-property relationship of next-generation semiconductor materials

  • Device applications: field-effect transistors, photodetectors, solar cells, thermoelectrics




Field-Effect Transistors

  • Development of novel conjugated molecules with high charge mobility

  • Understanding of charge transport and trapping mechanisms in organic semiconductors

  • Bias-stress stability of organic field-effect transistors


Photodetectors

  • Development of organic photodetectors with high responsivity and bandwidth

  • High-gain organic photodetectors and applications


Solar Cells

  • Development of high-performance donor and acceptor materials

  • Nanostructure control of organic photoactive layer

  • Understanding of photovoltaic conversion processes and device physics in organic solar cells

  • Environmental and operational stability of organic solar cells


Thermoelectrics

  • Doping of conjugated polymers

  • Development of novel chemical doping processes

  • Molecular structure design for high thermoelectric power