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	A novel controllable synthesis of silica nanotube arrays with ultraviolet photoluminescence
	Hu, Mingzhe ; Liu, Yinglin ; Gu, Haoshuang ; Yu, Rong ; MacManus-Driscoll, Judith L. ; Robinson, Adam P.
	2010-10-12 ; 2010-10-12
关键词	Silica nanotube (SNT) Ion milling technique AAO template mask Photoluminescence (PL) OXIDIZED POROUS SILICON NANOHOLE ARRAYS ANODIC ALUMINA LUMINESCENCE EXCITATION OXIDATION EMISSION CENTERS INP SI Chemistry, Inorganic & Nuclear Chemistry, Physical Physics, Condensed Matter
中文摘要	The synthesis of large-scale one-dimensional silica nanotube (SNT) arrays embedded in Si substrate is demonstrated by using the combination of AAO template mask and Ar ion milling technique. The geometry of the SNTs could be precisely controlled by the process parameters, which included that the SNT diameter and the interpore distance were controlled by AAO anodization voltage and H3PO4 pore widening time, while the length of SNT was controlled by ion milling time and AAO aspect ratio. Also, the SNT fabrication parameters could be related to their photoluminescence (PL) emitting properties, when anodized at 40 V, pore widening in H3PO4 acid for 70 min and ion milled for 5 min, a strong intensity and stable ultraviolet (UV) light of 3.25 eV (381 nm) emitted from the SNTs under the excitation of 266 nm laser, which could be assumed arising from twofold coordinated silicon lone pair centers in the oxygen deficiency SNTs. The present fabrication of SNT arrays presents a novel method for intensity and frequency adjustable ultraviolet optoelectronic devices. (C) 2009 Elsevier Masson SAS. All rights reserved.
语种	英语 ; 英语
出版者	ELSEVIER SCIENCE BV ; AMSTERDAM ; PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/78227]
专题	清华大学
推荐引用方式 GB/T 7714	Hu, Mingzhe,Liu, Yinglin,Gu, Haoshuang,et al. A novel controllable synthesis of silica nanotube arrays with ultraviolet photoluminescence[J],2010, 2010.
APA	Hu, Mingzhe,Liu, Yinglin,Gu, Haoshuang,Yu, Rong,MacManus-Driscoll, Judith L.,&Robinson, Adam P..(2010).A novel controllable synthesis of silica nanotube arrays with ultraviolet photoluminescence..
MLA	Hu, Mingzhe,et al."A novel controllable synthesis of silica nanotube arrays with ultraviolet photoluminescence".(2010).

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