The role of carboxylated carbonaceous fragments in the functionalization and spectroscopy of a single-walled carbon-nanotube material
The role of carboxylated carbonaceous fragments in the functionalization and spectroscopy of a single-walled carbon-nanotube material
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DOI：
10.1002/adma.200601310
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发表时间：
2007-03-19
影响因子：
29.4
通讯作者：
Green, Malcolm L. H.
中科院分区：
文献类型：
--
作者：
Salzmann, Christoph G.;Llewellyn, Simon A.;Green, Malcolm L. H.
用硝酸处理单壁碳纳米管 (SWCNT) 材料后形成的大部分羧酸基团存在于羧化碳质碎片 (CCF) 上（见图）。通过用 NaOH 溶液处理，这些 CCF 从单壁碳纳米管中去除，并被鉴定为 COOH 功能的载体，这意味着之前声称具有 COOH 基团的单壁碳纳米管侧壁功能化的报告应该重新考虑。
The majority of carboxylic acid groups formed after treatment of a single-walled carbon nanotube (SWCNT) material with nitric acid are present on carboxylated carbonaceous fragments (CCFs) (see figure). These CCFs are removed from the SWCNTs by treatment with NaOH solution and identified as carriers of the COOH functionality, implying that previous reports claiming side-wall functionalization of the SWCNTs with COOH groups should be reconsidered.