Solar cells/Photodetectors
Organic Solar Cells
Organic Solar Cells (OSC) are photovoltaic that uses organic electronic, a branch of electronics that deals with conductive organic polymers or small organic molecules, for light absorption and charge transport to produce electricity from sunlight by the photovoltaic effect. Recently, OSCs have attracted tremendous attention due to its low cost, flexibility, and semi-transparency fabrication, so we can make flexible or stretchable OSCs.
Perovskite Solar Cells
Perovskite solar cells are one of the next generation solar cells that are receiving the most attention for their highest efficiency and excellent optical and electrical characteristics among the third generation solar cells. In our lab, we are researching a cost-effective process using a spin coating process to fabricate a high-efficiency perovskite solar cell. This field is actively researching by combining optical approaches, electrical approaches, and device approaches to improve efficiency.
Quantum Dot Solar Cells
Colloidal quantum dots (CQDs) are promising materials for next generation solar cells due to the fact that their optical and electrical properties can be controlled by varying quantum dot size or exchanging capping ligands. By utilizing surface chemistry modification of CQDs through ligand exchange, better control over band energy alignment and improvement in charge extraction can be achieved.
Photodetectors
Infrared photodetectors form vital components of many electrical and opto-electronic devices as they facilitate the conversion of invisible light into an electric signal that can be processed by standard read-out electronics.
They have found various applications such as in spectroscopy, broad-range infrared detection for night vision, optical communication and biomedical imaging, etc. Recently, as internet of things (IoT) and autonomous driving technology are emerged, the needs of high sensitive and low cost infrared photodetectors are increased.
