Analysis of photoluminescence background of Raman spectra of carbon nanotips grown by plasma-enhanced chemical vapor deposition

被引：8

作者：

Wang, B. B. ^{[1
,2
]}

Ostrikov, K. ^{[1
,5
]}

Tsakadze, Z. L. ^{[3
,4
]}

Xu, S. ^{[4
]}

机构：

[1] CSIRO Mat Sci & Engn, Lindfield, NSW 2070, Australia

[2] Chongqing Univ Technol, Coll Math & Phys, Chongqing 400054, Peoples R China

[3] Nanyang Technol Univ, Sch Mat Sci & Engn, Singapore 637616, Singapore

[4] Nanyang Technol Univ, NIE, Plasma Sources & Applicat Ctr, Singapore 637616, Singapore

[5] Univ Sydney, Sch Phys, Sydney, NSW 2006, Australia

来源：

JOURNAL OF APPLIED PHYSICS | 2009年 / 106卷 / 01期

基金：

新加坡国家研究基金会; 澳大利亚研究理事会;

关键词：

carbon; hydrogen; nanostructured materials; nanotechnology; nitrogen; photoluminescence; plasma CVD; scanning electron microscopy; surface morphology; REACTIVE PLASMAS; FIELD-EMISSION; ION-BOMBARDMENT; DIAMOND FILMS; C-H; GRAPHITE; NANOTUBES; NANOSTRUCTURES; CATALYST; ARRAYS;

D O I：

10.1063/1.3168496

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Carbon nanotips with different structures were synthesized by plasma-enhanced hot filament chemical vapor deposition and plasma-enhanced chemical vapor deposition using different deposition conditions, and they were investigated by scanning electron microscopy and Raman spectroscopy. The results indicate that the photoluminescence background of the Raman spectra is different for different carbon nanotips. Additionally, the Raman spectra of the carbon nanotips synthesized using nitrogen-containing gas precursors show a peak located at about 2120 cm(-1) besides the common D and G peaks. The observed difference in the photoluminescence background is related to the growth mechanisms, structural properties, and surface morphology of a-C:H and a-C:H:N nanotips, in particular, the sizes of the emissive tips.

引用

页数：7

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