Research Areas

My research covers a broad spectrum of utilizing lasers for micro processing towards developing supporting technology for lithography in semiconductor facilities and flexible sensors fabrication.

Laser Processing

Utilizing nanosecond to microsecond pulsed and continuous lasers for microfabrication and analyzing laser-material interaction for functional applications.

Key Techniques

CO₂ Laser ProcessingPulse Overlap OptimizationLaser-Material InteractionTemporal Analysis

Applications

Semiconductor LithographyFlexible ElectronicsSurface Modification
Laser Micro-3D Printing

Novel laser μ-3D printing and decal transfer techniques for micron thickness printing of materials from aluminum alloys to ceramics like ZnO and SiC.

Key Techniques

Laser Decal TransferAdditive ManufacturingMicron-level PrecisionMulti-material Printing

Applications

MEMS StructuresFlexible SensorsMicroelectronics
Nanogenerators

Fabricating piezo-tribo hybrid nanogenerators for energy harvesting and sensing applications in health monitoring of machines and humans.

Key Techniques

Piezoelectric MaterialsTriboelectric EffectsEnergy HarvestingHybrid Systems

Applications

Wearable DevicesIoT SensorsSelf-powered Systems
Thin Film Deposition

Expertise in Flash deposition, E-beam deposition and DC/RF sputtering for multiple applications including shape memory alloys.

Key Techniques

Flash DepositionE-beam DepositionDC/RF SputteringBi-morph Fabrication

Applications

Flexible MirrorsEnergy HarvestingSmart Materials
Material Characterization

Extensive work with characterizing samples through SEM, XRD, four probe measurements, DSC, surface profilometry, and contact angle analysis.

Key Techniques

SEM AnalysisXRD CharacterizationTEM ImagingXPS Analysis

Applications

Quality ControlMaterial PropertiesSurface Analysis
COMSOL Simulation

Employing COMSOL Multiphysics simulation to analyze laser material interaction and its temporal and spatial effects on fabricated materials.

Key Techniques

Multiphysics ModelingHeat Transfer AnalysisTemporal SimulationSpatial Analysis

Applications

Process OptimizationPredictive ModelingParameter Analysis
Current Research Focus

My Ph.D. thesis explores diverse laser-based explorations and multiple processes by utilizing multiple materials for efficient flexible electronics printing. It focuses on the synthesis and characterizing flexible electronics materials using laser as energy source ranging from direct laser writing in the form of synthesizing laser induced graphene and its utilization as flexible electrode to working with indirect laser energy interaction for micron level printing using novel laser micro-3D printing technology and laser decal transfer technology.

The research outcomes have broader implications for advancing sustainable energy technologies and addressing critical challenges in introducing technology catering to fabrication of sensors and its functional utilization, driving progress toward a cleaner and more sustainable future especially when the world is exploring semiconductors for functional applications.