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タイトル: Improvement of UV emission from highly crystalline ZnO nanoparticles by pulsed laser ablation under O-2/He glow discharge
著者: Ma, Qiang
Saraswati, Teguh Endah
Ogino, Akihisa
Nagatsu, Masaaki
掲載誌名: Applied Physics Letters
出版者: American Institute of Physics
巻: 98
号: 5
開始ページ: 051908
出版日付: 2011-01-31
権利: © 2011 American Institute of Physics
NDC: 549
抄録: Pulsed laser ablation under an O-2/He glow discharge was studied to improve the surface crystallinity and UV luminescence of ZnO nanoparticles similar to 10 nm in size. X-ray photoemission spectroscopy, scanning transmission electron microscopy, and cathodoluminescence spectroscopy were used to analyze the crystalline structures and chemical components. The results indicated that highly crystalline ZnO nanoparticles were fabricated under the O-2/He plasma discharge. The near band gap UV emission intensities from these particles were roughly five times those of samples fabricated under O-2 gas. The present results suggest the possibility of synthesize high quality ZnO quantum dots or nanoparticles without requiring any post-treatment.
ISSN: 00036951 OPAC
出版者DOI: 10.1063/1.3551534   
NII書誌ID: AA00543431 OPAC ciniib
バージョン: publisher
出現コレクション:11. 雑誌論文・記事(Journal Article, Article, Preprint)

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Others By: Ma, Qiang (馬, 強) (マ, キョウ) -- Saraswati, Teguh Endah -- Ogino, Akihisa (荻野, 明久) (オギノ, アキヒサ) -- Nagatsu, Masaaki (永津, 雅章) (ナガツ, マサアキ)



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