Stretchability study of conductive inks printed by Laser-induced forward transfer

Abstract

Treballs Finals de Grau de Física, Facultat de Física, Universitat de Barcelona, Curs: 2022, Tutor: Juan Marcos Fernández PradasLaser-induced forward transfer (LIFT) is a direct writing technique. As a nozzle-free method, it presents fewer constraints compared with other popular methods like inkjet printing. In this project, we analyze both morphological and electrical properties of the deposited material for three different inks, achieving a sheet resistance of 16 mΩ/□. Electrical properties under flexion are studied by applying deformation in a cantilever. Maximum relative deformations of 0.55% are possible before inducing irreversible damage in the electrical properties of the printed resistance