SEARCH Articles Figures Tables Electron-excitation states Electron-excitation states triplet Electronic energy triplet state Electronic excitation energy Electronic excited Electronic excited states Electronic states triplet Electronical excitation Electrons excitation Electrons excitation energy Electrons, excited Energy excited electronic Excitation energy Excited state energy Excited triplet Triplet energy Triplet excitation Triplet excition Triplet state Triplet state energy Triplet state excitation