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author:

林翠英 (林翠英.) [1] (Scholars:林翠英) | 赵剑曦 (赵剑曦.) [2] (Scholars:赵剑曦) | 宋利 (宋利.) [3]

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CQVIP PKU CSCD

Abstract:

尼罗红(NR)分子具有大的芳香环和基态时可与水分子形成氢键的吸电子基,它对增溶在表面活性剂胶束栅栏层的环境尤其敏感,在十二烷基三甲基溴化铵(C12TABr)胶束水溶液中表现为双重荧光,最大发射波长分别位于578和630 nm,十二烷基硫酸钠(SDS)胶束的反离子解离度大于C12TABr胶束,这不仅增大了NR周边环境的极性,也增多了溶剂化水,导致与NR氢键作用增强,荧光强度低于C12TABr,但有效促进了分子内扭转电荷转移(TICT)激发态形成,其布居甚至可达到98%以上.表观上仅出现了在634 nm的单重荧光峰.NR对环境的敏感特性很好地反映了Gemini表面活性剂初始形成胶束的残缺结构信息,是检测这类具有强烈相互作用两亲分子聚集行为的良好探针.

Keyword:

TICT探针 尼罗红 环境敏感 胶束栅栏层信息

Community:

  • [ 1 ] [林翠英]福州大学
  • [ 2 ] [赵剑曦]福州大学
  • [ 3 ] [宋利]福州大学

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Source :

化学学报

ISSN: 0567-7351

CN: 31-1320/O6

Year: 2009

Issue: 5

Volume: 67

Page: 381-386

0 . 7 5 1

JCR@2009

1 . 7 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

JCR Journal Grade:3

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 10

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