Research Interest
2D Semiconductor Nanomaterials:
We have been using self-designed physical and chemical vapor deposition techniques to synthesize 1D and 2D quantum semiconductor nanomaterials. We can control the size, stoichiometry, optical, electronic, and crystalline properties of these nanomaterials. We aim to produce high-quality, atomically thin semiconductor layers with unique electronic and optical properties, revolutionizing fields like electronics, optoelectronics, photonics, and sensing.​​
Optoelectronics:
Photoluminescence in 2D materials like transition metal dichalcogenides (TMDs) exhibits remarkable exciton binding energies and sharp emission peaks, enabling applications in light-emitting devices with high efficiency and tunable wavelengths. Due to their high surface-to-volume ratio, these materials also enhance photodetector performance by offering strong light-matter interactions, fast response times, and high sensitivity, even at low light levels. The unique electronic and optical properties of 2D semiconductors pave the way for compact, flexible, and high-performance LEDs and photodetector devices that hold immense potential for future communication, imaging, and sensing technologies.
Nanoelectronics:
With atomically thin structures, 2D semiconductor materials exhibit exceptional electrical properties, such as high carrier mobility and tunable bandgaps, which are crucial for transistor performance. These 2D materials enable the fabrication of transistors with ultra-short channel lengths, overcoming the limitations of traditional silicon-based devices. The ability to operate at lower voltages and higher frequencies makes 2D material-based transistors ideal for next-generation electronics, pushing the boundaries of miniaturization and efficiency in integrated circuits.
Photonics:
2D semiconductor materials are at the forefront of photonic studies due to their extraordinary optical properties and dimensional advantages. These materials, exhibit strong light-matter interactions, making them ideal for investigating exciton dynamics, nonlinear optics, and quantum photonics. Their tunable bandgaps and high exciton binding energies allow for precise control over emission and absorption spectra, paving the way for advanced photonic applications. Moreover, the atomic thickness of 2D semiconductors enables the integration of these materials into ultra-compact photonic devices, driving innovations in areas like on-chip light sources, modulators, and detectors.
Electrochromism:
Efficient electrochromic devices are transforming energy management and user experience through their ability to dynamically modulate transparency with minimal power consumption. Utilizing advanced materials such as conducting polymers, metal oxides, and nanomaterials, these devices exhibit rapid switching times, high durability, and excellent contrast ratios. Innovations in fabrication techniques have further enhanced their performance, making them suitable for a wide range of applications, from smart windows that regulate indoor lighting and temperature to adaptive displays and energy-efficient sunglasses.
Supercapacitor:
By leveraging nanomaterials like graphene, carbon nanotubes, and metal oxides, these supercapacitors achieve superior surface area, excellent conductivity, and robust mechanical properties. The unique nanostructures allow for more efficient ion transport and storage, resulting in devices that charge quickly and deliver sustained power over extended periods. This makes them ideal for applications ranging from portable electronics to electric vehicles, where both high power output and energy efficiency are critical. The ongoing advancements in nanostructured materials promise to further enhance the performance and sustainability of supercapacitors, pushing the boundaries of what’s possible in energy storage solutions.
