| 초록 |
Near infrared (NIR) light-sensing photodetectors sense invisible light with human eyes when it comes to the spectral range between 700 nm and 1400 nm. The NIR photodetectors have been used in a variety of applications including optical communication, night vision, biological imaging, and environmental monitoring, etc. Recent paradigm shift toward flexible electronics has motivated that NIR photodetectors need to possess bendable and flexible characteristics for advanced applications. On this account, our group has attempted to synthesize NIR-sensing conjugated polymers and fabricated organic phototransistors with bulk heterojunction sensing channel layers which can detect NIR light up to 1100 nm. In particular, we have demonstrated that the flexible NIR-sensing organic phototransistors can operate in a bended state. In this presentation, we summarize our recent efforts in the field of NIR-sensing organic phototransistors and introduce a state-of-the-art technology for next step. |
