Molecular Design and Function of Photo-acid Generators Utilized for Advanced Industries

Photopolymer materials have been widely used in some advanced industries owing to their practicability, low-cost and ecological advantage. One of the key components of these photopolymer materials is a molecule that releases acidic species upon a photon trigger (known as photo-acid generators, PAGs). Recently, PAGs have attracted much attention with the advent of novel technologies such as near-infrared CTP imaging, 3D printing and EUV lithography, and are required to have various functions and sophisticated features.