SEARCH Articles Figures Tables Electronic excitation photochemical reactions Excitation, photochemical, types Excited-state reactions system, photochemical Oxygen photochemical excitation Phenol ring, photochemical excitation Photochemical excitation creating radicals Photochemical excited states Photochemical reactions excitation Photochemical reactions involving electronically excited oxygen Photochemical reactions singlet excited states Photochemical reactions triplet excited states Plasmon excitation, photochemical