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author:

Lin, C. (Lin, C..) [1] | Zhao, J. (Zhao, J..) [2]

Indexed by:

Scopus

Abstract:

Nile red (phenoxazone-9) was used as a fluorescence probe to detect the sphere-to-rod-to-wormlike micellar transition in the aqueous mixtures of cetyltrimethylammonium bromide and sodium salicylate or potassium bromide, and also in the aqueous solution of a Gemini surfactant, ethanediyl-α,ω-bis(dimethyl dodecyl ammonium bromide). The results showed the Ia/Ib of Nile red (the fluorescence intensity ratio of the twisted intramolecular charge transfer band to the planar locally excited band) was a more sensitive index than the Ia (the fluorescence intensity of the twisted intramolecular charge transfer band) to represent the micellar transition. This was attributed to the special molecular structure of Nile red that has a large conjugated ring and the can form hydrogen bond with water molecules at the electron acceptor group. This led to sensitive response of the twisted intramolecular charge transfer state of Nile red to the change of microenvironment. © 2009 Elsevier Ltd. All rights reserved.

Keyword:

Fluorescence probe; Hydrogen-bonded effect; Nile red; Sphere-to-rod-to-wormlike transition; Surfactant micelle; TICT state

Community:

  • [ 1 ] [Lin, C.]Department of Applied Chemistry, College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 2 ] [Zhao, J.]Department of Applied Chemistry, College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou, 350108, China

Reprint 's Address:

  • [Zhao, J.]Department of Applied Chemistry, College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou, 350108, China

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Source :

Dyes and Pigments

ISSN: 0143-7208

Year: 2010

Issue: 3

Volume: 84

Page: 223-228

2 . 6 3 5

JCR@2010

4 . 1 0 0

JCR@2023

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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