Effective Photoluminescence in a Large-Area Array of Ta2O5 Nanodots

被引：13

作者：

Devan, Rupesh S. ^{[1
]}

Lin, Ching-Ling ^{[1
]}

Lin, Jin-Han ^{[1
]}

Wen, Teng-Kai ^{[1
]}

Patil, Ranjit A. ^{[1
]}

Ma, Yuan-Ron ^{[1
]}

机构：

[1] Natl Dong Hwa Univ, Dept Phys, Hualien 97401, Taiwan

来源：

JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2013年 / 13卷 / 02期

关键词：

Ta2O5; Nanodot; Hot Filament Metal Vapor Deposition; Raman Scattering; X-Ray Photoemission Spectroscopy (XPS); Photoluminescence (PL); Trap-Level; RAY PHOTOELECTRON-SPECTROSCOPY; RAMAN-SPECTROSCOPY; TANTALUM OXIDE; DEFECT STATES; THERMAL TA2O5; THIN-FILMS; PHOTOCONDUCTIVITY; DIFFRACTION; CAPACITORS; DEPOSITION;

D O I：

10.1166/jnn.2013.6088

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We describe here the synthesis of a large-area Ta2O5 nanodot array by utilizing the hot filament metal vapor deposition technique. The Ta2O5 nanodots arranged in a large-area array on a Si wafer had an average diameter of similar to 8 nm. X-ray photoemission spectroscopy (XPS) revealed the stoichiometric Ta and O compositions of the Ta2O5 nanodots. Raman spectroscopy showed the Ta2O5 nanodots to be of orthorhombic (beta) crystal. Photoluminescence (PL) spectroscopy showed the green and red light emissions of the beta-Ta2O5 nanodots at room temperature.

引用

页码：1001 / 1005

页数：5

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