Optical properties of gas-evaporated carbon nanoparticles

被引：3

作者：

Fujii, M

Hayashi, S

Fukumoto, T

Terami, T

Yamamoto, K

机构：

[1] KOBE UNIV, DEPT ELECT & ELECT ENGN, KOBE 657, JAPAN

[2] KOBE UNIV, GRAD SCH SCI & TECHNOL, KOBE 657, JAPAN

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 1996年 / 217卷

关键词：

nanoparticles; carbon;

D O I：

10.1016/S0921-5093(96)10314-2

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Extinction and Raman spectra of gas-evaporated carbon nanoparticles were studied. It was found from Raman spectroscopy that the gas-evaporated carbon nanoparticles consist of small sp(2) carbon clusters and the sp(2) clusters grow on thermal annealing without affecting the size of the particle itself. The as-deposited samples show an extinction peak at about 230 nm, which exhibits a red shift as the annealing temperature increases. Combining the results of Raman spectroscopy, we conclude that the extinction peak arises from the pi-plasmon resonances in sp(2) clusters and the resonant frequency decreases as the sp(2) clusters grow.

引用

收藏

页码：176 / 180

页数：5

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