学術雑誌論文 Photomechanical modification of ZnS microcrystal to enhance electroluminescence by ultrashort-pulse laser processing

Nabesaka, Kyohei  ,  Ishikawa, Yasuaki  ,  Hosokawa, Yoichiroh  ,  Uraoka, Yukiharu

2017-01-06 , IOP Publishing Ltd on behalf of the Japan Society of Applied Physics.
ISSN:1882-0786
内容記述
A ZnS microcrystal was treated with an ultrashort-pulse laser and applied to an inorganic electroluminescence (EL) phosphor. We found that the emission intensity of the EL phosphor was increased by laser-induced photomechanical modification. The pulse duration dependence of the emission enhancement and structural analysis by scanning electron microscopy indicated that the structural modification was induced inside the ZnS microcrystal, although a mechanical grinding would induce the structural modification mainly on the crystal surface. The results suggested a new way of enhancing the emission of inorganic EL devices.
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http://library.naist.jp/dspace/xmlui/bitstream/10061/11388/1/KNmanuscript.pdf

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