11. He conducts research in electrochemistry, photochemistry , solids state chemistry, and fuel cells. 12. This parameter measures the proportion of light absorbed by PSII that is used in photochemistry . 13. 60 . " Mechanistic Organic Photochemistry . 14. His textbook, Modern Molecular Photochemistry , is considered the " Bible " of the field. 15. His specialty was photochemistry , the kinetics of the reactions initiated by light in the receptors. 16. The method has been applied to two molecules of interest in organic photochemistry -ethylene and cyclobutene. 17. Feringa received his organometallic reagents, including the highly reactive organolithium reagents and organic photochemistry and stereochemistry. 18. Dr . George Hammond, a Bowling Green State University professor who created the field of organic photochemistry . 19. The coincidence of the lasers at these points excited 2-photon absorption, leading to writing photochemistry . 20. This poses several fundamental challenges in chemical catalysis, electrochemistry, photochemistry , and semiconductor physics and engineering.