RESEARCH

Development of Innovative Nanodevices

RESEARCH OUTLINE

Building on the ultimate surface modification technologies enabled by nanomaterials, we challenge the development of next-generation nanodevices. By precisely tuning the properties of van der Waals heterostructures, we aim to create novel functionalities beyond conventional device design. Leveraging van der Waals forces between layers, we optimize electronic transport and optical response characteristics through stacking angle control and interfacial engineering, unlocking unprecedented device performance.

Through this research, we drive advancements in next-generation semiconductor devices, ultra-low-power transistors, high-sensitivity sensors, and quantum devices, enabling nanoscale energy control and information processing. By doing so, we pioneer a new paradigm in nanotechnology.

POINT

By leveraging van der Waals heterostructures composed of freely integrated interdimensional nanomaterials, we aim to develop revolutionary nanodevices and nano-tribosystems.

TOPIC 1 : Ultra-high-speed transistor

By utilizing van der Waals heterostructures of graphene and hBN, we aim to develop ultra-high-speed, high-performance transistors with an electron mobility approximately 1,000 times higher than conventional silicon-based FETs.

TOPIC 2 : Proton Exchange Membrane (PEM)

Fuel cells are recognized as key devices in energy strategies aimed at achieving a decarbonized society. Hexagonal boron nitride (hBN) nanosheets, with their high proton conductivity, gas barrier properties, thermal stability, and chemical stability, are ideal candidates for proton exchange membranes (PEMs) in polymer electrolyte fuel cells (PEFCs). Their integration has the potential to dramatically enhance fuel cell efficiency.

TOPIC 3 : Nanopore Sequencing Technology

Nanopore sequencing is a molecular biology technique that determines DNA and other biomolecule sequences by analyzing electrical current changes as they pass through a nanoscale pore. In this study, we engineer nanopores on nanostructured surfaces to enable single-molecule sequencing and high-speed real-time data acquisition, driving breakthroughs in genomic research, diagnostic technologies, and molecular medicine.

TOPIC 4 : Highly sensitive biosensing device

Van der Waals heterostructures (vdWH), including graphene, exhibit exceptional electronic and optical properties along with highly sensitive molecular detection capabilities, making them promising for biosensing applications. By precisely controlling surfaces at the nanoscale, we optimize interactions with biomolecules, enabling ultra-sensitive detection.

TOPIC 5 : Atomically Controlled Functional Surface

Surface modification technology utilizing van der Waals heterostructures (vdWH) enables the creation of atomically flat and precisely controlled functional surfaces. This approach facilitates the realization of ultimate surfaces with high electron mobility, wide bandgap properties, corrosion resistance, superconductivity, and superlubricity, driving advancements in next-generation nanodevices and high-durability materials.

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