Ultra-long single crystalline nanoribbons of tin oxide

被引：213

作者：

Dai, ZR ^{[1
]}

Pan, ZW ^{[1
]}

Wang, ZL ^{[1
]}

机构：

[1] Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA

来源：

SOLID STATE COMMUNICATIONS | 2001年 / 118卷 / 07期

基金：

美国国家科学基金会;

关键词：

nanostructures; semiconductors; nanofabrications; crystal growth; scanning and transmission electron microscopy;

D O I：

10.1016/S0038-1098(01)00122-3

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Novel nanoribbons of single crystalline SnO2 have been successfully synthesized by simple thermal evaporation of SnO or SnO2 powders at high temperatures. Field emission scanning electron microscopy (FE-SEM) and transmission electron microscopy (TEM) show that the nanoribbons are structurally perfect and uniform, with widths of 30-200 nm, width-to-thickness ratio of similar to5-10, and lengths of several hundred micrometers to a few millimeters. X-ray diffraction (XRD) and energy dispersive X-ray spectroscopy (EDS) analysis indicate that the nanoribbons have the same crystal structure and chemical composition found in the rutile form of SnO2. Electron diffraction (ED) and high resolution transmission electron microscopy (HRTEM) reveal that the nanoribbons grow along the [101] crystal direction and they are bounded by (010)/(0 (1) over bar0) and (10 (1) over bar)/ ((1) over bar 01) crystal facets. (C) 2001 Elsevier Science Ltd. All rights reserved.

引用

页码：351 / 354

页数：4

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