Memoirs of the Faculty of Engineering, Yamaguchi University

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Memoirs of the Faculty of Engineering, Yamaguchi University Volume 32 Issue 1
published_at 1981

Electroluminescence in ZnS : Mn Phosphor Layers

ZnS : Mn 螢光層のエレクトロルミネセンス
Nakamoto Yukihide
Miyata Naoyuki
Miyake Kiyoshi
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This investigation was made on PL and EL of ZnS : Mn phosphors. ZnS : Mn powder phosphors were prepared by firing of ZnS and MnCl_2. A PL emission of ZnS : Mn powder phosphors peaking at both 4500 A and 5800 A was observed by UV excitation. The EL cells in this study had an Al-ZnS : Mn-insulator layer-In_2O_3 : Sn structure. EL emission peaking at both 4500 A and 5700 A was observed under the operation of ac voltage more than 60-70 volts. The EL brightness followed the well-known log B&vprop
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