SEARCH Articles Figures Tables 2 -Electron-2 -proton transfer Electron excitation, transfer Electron proton Electron protonation Electron-excitation states Electronic excitation transfer Electronic excited Electronic excited state proton transfer: Electronic excited states Electronical excitation Electrons excitation Electrons, excited Excitation transfer Excited state electron transfer Protonated state Protonation state Simultaneous electron transfers Simultaneous excitation Simultaneous protonation