Hongryung Jeon

1 Introduction 3D printing, also known as additive manufacturing (AM), has become a transformative fabrication strategy across diverse fields, including healthcare and medical devices, aerospace and automotive engineering, electronics, and soft robotics, largely because it enables the creation of complex geometries with minimal tooling [1-7]. However, most existing 3D printing platforms rely on point-by-point or layer-by-layer deposition.

1 Introduction Organic–inorganic methylammonium lead-halide CH3NH3PbX3 (X = Cl, Br, and I) perovskite quantum dots (PQDs) are attractive optoelectronic materials with exceptional physical properties, such as high-photoluminescence (PL) quantum yield, color tunability, short-radiative lifetimes, narrow-band emissions, and solution processability.[1-5] PQDs have garnered considerable attention for a wide array of optoelectronic devices, including solar cells, light-emitting diodes, and...