Luminescent Supramolecular Nano- or Microstructures Formed in Aqueous Media by Amphiphile-Noble Metal Complexes

被引:7
作者
Cretu, Carmen [1 ]
Maiuolo, Loredana [2 ]
Lombardo, Domenico [3 ]
Szerb, Elisabeta I. [1 ]
Calandra, Pietro [4 ]
机构
[1] Romanian Acad, Coriolan Dragulescu Inst Chem, Timisoara 300223, Romania
[2] Univ Calabria, Dipartimento Chim & Tecnol Chim, I-87036 Arcavacata Di Rende CS, CS, Italy
[3] CNR, IPCF, Ist Proc Chimicofis, I-98158 Messina, Italy
[4] CNR, ISMN, Ist Studio Mat Nanostrutturati, Monterotondo Stn, I-00015 Rome, Italy
关键词
CENTER-DOT-PT; CHROMONIC LIQUID-CRYSTALS; PI-PI; PHOTOPHYSICAL PROPERTIES; AGGREGATION BEHAVIOR; TERPYRIDYL COMPLEXES; SOLVENT-EXTRACTION; POLYMER DOTS; NANOTECHNOLOGY; SOLUBILIZATION;
D O I
10.1155/2020/5395048
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
The involvement of metal ions within the self-assembly spontaneously occurring in surfactant-based systems gives additional and interesting features. The electronic states of the metal, together with the bonds that can be established with the organic amphiphilic counterpart, are the factors triggering new photophysical properties. Moreover, the availability of stimuli-responsive supramolecular amphiphile assemblies, able to disassemble in a back-process, provides reversible switching particularly useful in novel approaches and applications giving rise to truly smart materials. In particular, small amphiphiles with an inner distribution, within their molecular architecture, of various polar and apolar functional groups, can give a wide variety of interactions and therefore enriched self-assemblies. If it is joined with the opportune presence and localization of noble metals, whose chemical and photophysical properties are undiscussed, then very interesting materials can be obtained. In this minireview, the basic concepts on self-assembly of small amphiphilic molecules with noble metals are shown with particular reference to the photophysical properties aiming at furnishing to the reader a panoramic view of these exciting problematics. In this respect, the following will be shown: (i) the principles of self-assembly of amphiphiles that involve noble metals, (ii) examples of amphiphiles and amphiphile-noble metal systems as representatives of systems with enhanced photophysical properties, and (iii) final comments and perspectives with some examples of modern applications.
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页数:24
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