Research
Our Research Focus is on Energy Conversion and Optoelectronic Devices Based on Emerging Nanomaterials.
(1) Energy Conversion: From Mechanical and Kinetic Energy to Electrical One for Self-Powered and Wearable Electronics
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Piezoelectric/ Triboelectric Energy Harvesting
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Hybrid Energy Harvesting: Energy Generation + Energy Storage
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Studies on Novel Device Structures and Physics
(2) Energy Conversion: From Solar Energy to Electrical One
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Photovoltaics Based on Emerging Nanomaterials
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Studies on Novel Device Structures and Physics
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Applications for Ambient to Concentrated Irradiation
(3) Optoelectronics & Electronics
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Emerging Nanomaterials for Optoelectronic and Electronic Devices, e.g. photodetector/transistors, light emitting diodes, ferroelectric memory device etc.
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Light-Matter Interaction and Charge Carrier Dynamics in Nanomaterials and Structures
Sister Group
Prof. SeungNam Cha's group at Department of Physics, Sungkyunkwan University