Effect of ultrafine gold particles and cationic surfactant on burning as-grown single-wall carbon nanotubes

被引：18

作者：

Zhang, M

Yudasaka, M

Nihey, F

Iijima, S

机构：

[1] NEC Corp Ltd, JST, ICORP, Nanotubul Project, Tsukuba, Ibaraki 3058501, Japan

[2] NEC Corp Ltd, Fundamental Res Labs, Tsukuba, Ibaraki 3058501, Japan

[3] Meijo Univ, Tempaku Ku, Nagoya, Aichi 4688502, Japan

来源：

CHEMICAL PHYSICS LETTERS | 2000年 / 328卷 / 4-6期

关键词：

D O I：

10.1016/S0009-2614(00)00962-3

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Mizoguti et al. (Chem. Phys. Lett. 321 (2000) 297) reported that amorphous carbon (a-C) contained in as-grown single-wall carbon nanotubes could be burned preferentially by using ultrafine gold particles and cationic surfactant, benzalkonium chloride (BKC). We confirmed this result and found additionally that the optimum concentration of the ultrafine gold particles and BKC were, respectively, 0.6 atom% and 7 g/l. We studied the roles of ultrafine gold particles and BKC in this phenomenon; the ultrafine gold particles catalyzed the oxidation of carbonaceous materials leading to the decrease of the burning temperatures. BKC had the function of homogenizing the a-C aggregation states, which resulted in the burning of a-C in a narrow temperature range. (C) 2000 Elsevier Science B.V.

引用

页码：350 / 354

页数：5

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