✦ LIBER ✦

Time profiles and action spectra of double-quantum photoelectron emission in perylene and naphthacene crystals

✍ Scribed by Ryuzi Katoh; Masahiro Kotani

Publisher: Elsevier Science
Year: 1992
Tongue: English
Weight: 332 KB
Volume: 196
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(92)85936-5

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✦ Synopsis

Double-quantum photoelectron emission from perylene and naphthacene crystal has been studied. Action spectra and time profiles of the photoemission indicate that, below 3.2 eV, photoemission occurs by fusion of two singlet excitons in perylene and by photoionization of singlet exciton in naphthacene. Above 3.2 eV it seems probable that conduction electrons are being photoemitted.