Darshana L. WeerawarnePhysics · Research · Education

Darshana L. Weerawarne

Research

Flexible and hybrid electronics, optics, materials processing, experimental devices and applied physics.

My research programme combines materials, fabrication processes, physical characterization, and application-oriented electronic systems.

Printed flexible conductors and interconnects

Investigating conductive inks, deposition, resistance, laser sintering and fatigue behaviour under bending and strain.

Printing · Electrical characterization · Reliability

Graphene oxide and laser-reduced circuits

Developing printable, potentially low-visibility graphene-oxide patterns and laser-reduction processes on temperature-sensitive substrates.

Graphene oxide · 785 nm processing · Flexible circuits

Printed flexible EMI shielding

Developing locally sourced conductive ink formulations and printed shielding materials for wearable devices and IoT applications.

NSF-supported research · 2026

Secure electronics using physically unclonable functions

Scalable, graphene-ink-based electronic structures designed for device authentication and secure IoT applications.

NRC-supported project · 2025

Microfluidic sweat sensing

Developing a sweat-patch concept with enhanced adhesion appropriate to warm, humid equatorial environments.

TWAS-supported research · 2026

Hybrid sensing and energy harvesting

Exploring flexible temperature/humidity sensing, piezoelectric impact detection and energy-aware instrumentation concepts.

Sensors · Energy harvesting

Laser optics and nonlinear propagation

Research background in mid-infrared filamentation, high-order nonlinear response and harmonic generation.

Ultrafast optics · Fundamental physics

Accessible experimental methods

Office-inkjet-based electrode prototyping, low-cost fabrication methods and reliable student-accessible instrumentation.

Experimentation · Capacity building

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