Polymerization Photoinitiators with Near-Resonance Enhanced Two-Photon Absorption Cross-Section: Towards High-Resolution Photoresists with Improved Sensitivity

Synthesis of novel photoinitiators, spectroscopic (UV vis, fluorescence, steady state and time resolved), electrochemical and EPR studies of their photoinduced radical generation mechanisms, Z-scan measurements of their two-photon absorption cross section, two-photon polymerization at 532 nm, with a pulsed ns laser, material evaluation by scanning electron microscopy