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Photophysical investigation of methyl 2-hydroxy-3-naphthoate (MHN23) in different self-organized supramolecular assemblies of micelles and niosomes formed by nonionic surfactant
Wang, Jia-Pei1; Pan, Yu2; Li, Peng1; Zhao, Guang-Jiu1
KeywordFluorescence Proton Transfer Photophysics Supramolecule Assembly
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
2016-11-25
ISSN0925-8388
DOI10.1016/j.jallcom.2016.05.283
Volume686Pages:656-661
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS Research AreaChemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS KeywordINTRAMOLECULAR PROTON-TRANSFER ; AOT REVERSE MICELLES ; SOLVATION DYNAMICS ; DIFFERENT MICROENVIRONMENTS ; ENERGY RELAXATION ; EXCITED MOLECULES ; AQUEOUS-SOLUTION ; CHARGE-TRANSFER ; WATER ; SALICYLATE
AbstractIn this work, we have investigated the photophysical properties of methyl 2-hydroxy-3-naphthoate (MHN23) in two different types of heterogeneous microenvironments, micelles and niosomes formed by nonionic surfactant (Tween-80) by using the steady state and time-resolved fluorescence spectroscopy. The transmission electron microscopy (TEM) technique was also employed to confirm the formation of Tween-80/PEG-6000 niosomes. The experimental results indicate that in the confined systems both the absorption and the fluorescence intensity have been enhanced. The fluorescence intensity and fluorescence lifetime of MHN23 in niosomes were enhanced more than that in micelles. The enhanced fluorescence intensity and lifetime of MHN23 arise from the more rigid and confined microenvironment of niosomes. However, with the increasing of the surfactant concentration in micelles, the fluorescence lifetime of MHN23 in micelles gets longer gradually than that in niosomes. Consequently, it has been demonstrated that the photophysical properties of probes could be significantly affected by both the confined microenvironment and the concentration of surfactants. (C) 2016 Elsevier B.V. All rights reserved.
Language英语
WOS IDWOS:000382228300084
PublisherELSEVIER SCIENCE SA
Citation statistics
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/170217
Collection中国科学院大连化学物理研究所
Corresponding AuthorZhao, Guang-Jiu
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, 457 Zhongshan Rd, Dalian 116023, Peoples R China
2.Dalian Univ Technol, Sch Petr & Chem Engn, Panjin 124221, Peoples R China
Recommended Citation
GB/T 7714
Wang, Jia-Pei,Pan, Yu,Li, Peng,et al. Photophysical investigation of methyl 2-hydroxy-3-naphthoate (MHN23) in different self-organized supramolecular assemblies of micelles and niosomes formed by nonionic surfactant[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2016,686:656-661.
APA Wang, Jia-Pei,Pan, Yu,Li, Peng,&Zhao, Guang-Jiu.(2016).Photophysical investigation of methyl 2-hydroxy-3-naphthoate (MHN23) in different self-organized supramolecular assemblies of micelles and niosomes formed by nonionic surfactant.JOURNAL OF ALLOYS AND COMPOUNDS,686,656-661.
MLA Wang, Jia-Pei,et al."Photophysical investigation of methyl 2-hydroxy-3-naphthoate (MHN23) in different self-organized supramolecular assemblies of micelles and niosomes formed by nonionic surfactant".JOURNAL OF ALLOYS AND COMPOUNDS 686(2016):656-661.
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