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Photoemission by singlet-exciton fusion in an anthracene crystal

1990; Elsevier BV; Volume: 174; Issue: 6 Linguagem: Inglês

10.1016/0009-2614(90)85481-q

1873-4448

Ryuzi Katoh, Makiko Ogiu, Masahiro Kotani,

Photoreceptor and optogenetics research

Excitonic photoemission has been studied on excitation of an anthracene single crystal with 330–415 nm (3.0–3.8 eV) light. The emission yield is proportional to the square of the absorption coefficient. This indicates that the external photoemission is due to the fusion of two singlet excitons.