Research

Synthesis of 2D Materials

Synthesis techniques: CVD, PVD, and wet chemical process

• Thermal CVD process is mainly used for the growth of 2D TMDCs materials (MoS2, WS2, SnS2, etc.).

• The wet-chemical processes are used for exfoliation, and synthesis of MXenes, and various nanostructures (nanowires, nanorod, micro flowers, etc.) of the materials.

Chemical Sensors

Semiconductor Sensors:  Resistive and FET

• Machine learning-assisted development of electronic nose (E-nose) for breath-based point of care diagnostics. 

• Sensors are employed for the detection of toxic and hazardous gases such as NOx, COx, H2, H2S, SO2, etc.

• Sensors are also developed for healthcare applications through the detection of VOCs and humidity.

Photodetectors

Semiconductor Photodetector: UV, Visible and IR ranges

Photodetectors are fabricated using 2D materials (Graphene, MoS2, WS2, etc.) or III-V direct bandgap semiconductors and van der Waals heterostructures.

Pressure Sensors

Flexible and bio-degradable wearable devices

Wearable pressure sensors are fabricated using paper, fabric, sponge, etc. for applications in Artificial skin, Human-machine interfacing, IOTs, health-care and electronic applications, etc. 

Heterostructures

Mixed-dimensional heterojunctions such as 2D/3D, 2D/2D, 2D/1D, 2D/0D etc.

• Visualization of band alignment for designed heterostructures to get a deeper understanding of carrier dynamics at the heterointerface.

• Different mixed-dimensional heterostructures are exploited in the development of advanced electronic sensors.