Photoluminescence mapping of "as-grown" single-walled carbon nanotubes: A comparison with micelle-encapsulated nanotube solutions

被引：61

作者：

Okazaki, T ^{[1
]}

Saito, T

Matsuura, K

Ohshima, S

Yumura, M

Iijima, S

机构：

[1] Natl Inst Adv Ind Sci & Technol, AIST, Res Ctr Adv Carbon Mat, CREST,Japan Sci & Technol Corp, Tsukuba, Ibaraki 3058565, Japan

[2] AIST, Res Ctr Adv Carbon Mat, Japan Fine Ceram Ctr, Tsukuba, Ibaraki 3058565, Japan

来源：

NANO LETTERS | 2005年 / 5卷 / 12期

关键词：

D O I：

10.1021/nl051888y

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Band gap photoluminescence (PL) is observed from "as-grown" single-walled carbon nanotubes; (SWNTs) in solid form. The relative PL intensities for six specific semiconducting SWNTs are compared directly to those of the micelle-encapsulated SWNTs' solutions to investigate the influence of the micelle dispersion process on PL measurements. The results indicate that sodium dodecyl sulfate (SDS) and sodium cholate (SC) selectively solubilize smaller-diameter nanotubes, whereas sodium dodecylbenzene sulfonate (SDBS) solution does not exhibit significant diameter selectivity within the diameter range studied here (d(t) = 0.829-0.966 nm).

引用

页码：2618 / 2623

页数：6

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