The Search for a Highly Efficient Long-Wavelength Photoinitiator by Increasing Aryl Conjugation: From Computational Design, Characterization, and Potential Application

3 Acknowledgements 4 Introduction to Photoinitiators 5-6 Particles in a Box 6-7 Molecular Orbital Theory 7-8 Introduction to APO and BAPO 8 Properties and Photochemistry of Acylphosphine Oxide (APO) 8-9 Properties and Photochemistry of Bisacylphosphine Oxide (BAPO) 9-10 Scope of Research 10-11 Experimental Design 11 Instrumentation and Materials 11 Procedure 12-14 Computational Studies 15-16 Results 17 Nuclear Magnetic Resonance (NMR) 17-22 Mass Spectrometry 22-25 UV-vis Spectroscopy 26-27 Infrared (IR) Spectroscopy 27-30 Real-Time UV-vis 31 Photo-bleaching 31-33 Discussion 33-36 Conclusion and Future Scope 36-38 References 39-40