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AHMED, M.
Original Title
Photo-induced charge and luminescence measurements in ZnS:Mn2+ ACTFEL
Type
conference paper
Language
English
Original Abstract
Photo-induced transferred charge (PIQ) and photo-induced luminescence (PIL) measurements involve the creation of electron-hole pairs in the phosphor near one of the phosphor/insulator interfaces, transport of this photo-induced charge across the phosphor, and measurement of the charge transferred across the phosphor layer or the luminescence emitted from the phosphor layer, respectively, as a function of the magnitude of the applied DC voltage. In PIQ/PIL experiments the electron and hole transport may be studied independently by simply changing the polarity of the DC bias. In ZnS:Mn alternating-current thin-film electroluminescence (ACTFEL) devices the hole transport may give rise to impact excitation-induced electroluminescence (EL), holes are approximately half as efficient as electrons in contributing to the transferred charge, and that the efficiency of transport is significantly greater for holes than electrons.
Keywords
Electroluminescence, thin-film, photo-induced charge, photo-induced luminance, ACTFEL, ZnS:Mn
Authors
RIV year
2004
Released
11. 11. 2004
Publisher
Ing. Zdenek Novotny, CSc.
Location
Brno
ISBN
80-7355-024-5
Book
New trends in Physics NTF 2004
Pages from
200
Pages to
203
Pages count
4
BibTex
@inproceedings{BUT12616, author="Mustafa M. Abdalla {Ahmed}", title="Photo-induced charge and luminescence measurements in ZnS:Mn2+ ACTFEL", booktitle="New trends in Physics NTF 2004", year="2004", pages="200--203", publisher="Ing. Zdenek Novotny, CSc.", address="Brno", isbn="80-7355-024-5" }