Masoud Mahjouri-Samani, Auburn University, Auburn, AL
Additively Manufactured electronics (AMEs) have gained significant momentum in recent years due to their low-cost fabrication, reduced electronic waste, and ability to support multifunctional, conformal devices. As demand grows for lightweight, customizable, and scalable consumer and industrial products, the need for advanced printing methods has become increasingly clear. Yet most existing fabrication approaches still rely on ink-based technologies such as inkjet and aerosol jet printing, which face persistent limitations, including contamination, complex and costly ink formulations, and restricted material compatibility. These constraints hinder the creation of pure, multimaterial, and high-performance electronic systems. In this work, I introduce a laser-based additive nanomanufacturing (ANM) technique that enables dry, ink-free, and solvent-free printing of electronics and functional devices on a broad range of substrates. The method generates pure nanoparticles of metals, semiconductors, and insulators, such as silver, copper, zinc oxide, and aluminum oxide, in situ and on demand inside a mini chamber. These nanoparticles are then sent to the printing nozzle, where they are laser-sintered in real time to form precise patterns and devices on planar or three-dimensional structures. Mechanical and electrical characterization, including bending, cycling, and adhesion testing, demonstrates the robustness and exceptional performance of the printed devices. This work highlights the transformative potential of dry ANM for next-generation printed sensors and flexible hybrid electronic systems.