About
We are an interdisciplinary research group in the Department of Chemical Engineering at POSTECH. We develop innovative platforms for designing nanomaterials at the atomic scale through growth, assembly, and chemical processing. We study the fundamental properties of artificial materials with the aid of state-of-the-art characterization tools and fabricate emerging nanodevices with advanced functionalities.
Growths of 2D Materials
We grow 2D materials with nanoscale uniformity over large areas using chemical vapor deposition processes to provide key elements for nanotechnology. In addition to the epitaxial growth of highly crystalline materials, we aim to grow materials with designed disorders and thermodynamically metastable phases by developing new growth techniques.
Atomic-scale Structural Engineering
Arbitrary control of material structures with atomic-scale precision lies at the heart of nanoelectronics and photonics, encompassing interface engineering for devices, the development of metamaterials, and the artificial construction of new materials. We aim to develop new toolsets with additional structural degrees of freedom to enable designs beyond the capabilities of current techniques.
Discovery of
Nano-material Properties
Emerging nanomaterials can offer novel and enhanced physical and chemical properties that bulk materials do not. We explore these properties by studying materials fabricated in our lab. Our goals involve discoveries of new high-mobility semiconductors, ultrathin glass with exceptional mechanical toughness, and chemically active electronic and optical materials with high sensitivity and selectivity.
Emerging Nano Devices
While emerging nanomaterials can be integrated with existing device platforms to enable novel architectures, techniques customized for the target materials must be developed to achieve optimum device performance. We develop such techniques for specific nanomaterials and realize non-conventional nanodevices, such as atomically thin field-effect transistors, electronic molecular sensors, and devices based on ion transport.
