The effect of solvent ratio and water on the growth of C60 nanowhiskers

被引：36

作者：

Miyazawa, Kun'ichi ^{[1
]}

Hotta, Kayoko ^{[1
]}

机构：

[1] Natl Inst Mat Sci, Fullerene Engn Grp, Exploratory Nanotechnol Res Lab, Tsukuba, Ibaraki 3050044, Japan

来源：

JOURNAL OF CRYSTAL GROWTH | 2010年 / 312卷 / 19期

关键词：

Liquid-liquid interfacial precipitation method (LLIP); Fullerene nanowhiskers; C-60; nanowhiskers; Fullerene; PHOTO-ASSISTED GROWTH; FULLERENE NANOWHISKERS; SINGLE-CRYSTAL;

D O I：

10.1016/j.jcrysgro.2010.06.020

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

The growth of C-60 nanowhiskers (C(60)NWs) prepared by a modified liquid-liquid interfacial precipitation method is investigated, focusing on the effect of solvent ratio and water content in the C-60-toluene-isopropyl alcohol (IPA) solution system. The precipitation of C(60)NWs was markedly influenced by the solvent ratio of toluene to IPA, and the C(60)NWs were found to grow longer above a critical diameter (D-c), which depends on the solvent ratio. The addition of a small amount of H2O to the C-60-toluene-IPA solution promoted the growth of C(60)NWs. This catalytic effect of water on the growth of C(60)NWs was confirmed also by the experiment using heavy water (D2O) and by the decrease of growth activation energy of C(60)NWs with increase of H2O content in the C-60-toluene-IPA solution. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：2764 / 2770

页数：7

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