Synthetic Strategies towards Fullerene-Rich Dendrimer Assemblies

Abstract

Abstract:The sphere-shaped fullerene has attracted considerable interest not least due to the peculiar electronic properties of this carbon allotrope and the fascinating materials emanating from fullerene-derived structures. The rapid development and tremendous advances in organic chemistry allow nowadays the modification of C 60 to a great extent by pure chemical means. It is therefore not surprising that the fullerene moiety has also been part of dendrimers. At the initial stage, fullerenes have been examined at the center of the dendritic structure mainly aimed at possible shielding effects as exerted by the dendritic environment and light-harvesting effects due to multiple chromophores located at the periphery of the dendrimer. In recent years, also many research efforts have been devoted towards fullerene-rich nanohybrids containing multiple C 60 units in the branches and/or as surface functional groups. In this review, synthetic efforts towards the construction of dendritic fullerene-rich nanostructures have been compiled and will be summarized herein.

Self-organisation of dodeca-dendronized fullerene into supramolecular discs and helical columns containing a nanowire-like core

“…1a ). 1 , 4 Fréchet's mono-adduct was dendronized with two fourth-generation Fréchet-type dendrons. 9 Subsequent efforts to generate self-organising fullerodendrimers utilized rod-like mesogenic groups ( Fig.…”

“…Primary structure is responsible for the creation of function via intramolecular self-assembly to generate a secondary structure, followed by intermolecular self-organisation to generate tertiary and quaternary structures. When this supramolecular principle was applied to the self-assembly of [60]fullerene (C 60 ) derivatives in bulk, 1 novel supramolecular organisations with important applications in organic electronics and photovoltaics were discovered. 2 Amphiphilic fullerenes self-assemble in water to give a variety of supramolecular structures that have attracted considerable interest for biological applications.…”

Synthesis of highly functionalized C60 fullerene derivatives and their applications in material and life sciences

“…[1][2][3][4][5][6] In particular, fullerenes that combine three-dimensionality with unique photoelectric and electrochemical properties are extremely promising nanostructures for the preparation of new advanced materials 7,8 and biologically active molecules. [1][2][3][4][5][6] In particular, fullerenes that combine three-dimensionality with unique photoelectric and electrochemical properties are extremely promising nanostructures for the preparation of new advanced materials 7,8 and biologically active molecules.…”

“…Carbon rich nanostructures have been a major topic in chemical research over the past four decades. [1][2][3][4][5][6] In particular, fullerenes that combine three-dimensionality with unique photoelectric and electrochemical properties are extremely promising nanostructures for the preparation of new advanced materials 7,8 and biologically active molecules. [9][10][11][12] At present, the most widely used commercial fullerene derivative is a mono-functional [6,6]-phenyl-C 61 -butyric acid methyl ester (PCBM).…”

“…[1][2][3][4][5][6] In particular, fullerenes that combine three-dimensionality with unique photoelectric and electrochemical properties are extremely promising nanostructures for the preparation of new advanced materials 7,8 and biologically active molecules. [9][10][11][12] At present, the most widely used commercial fullerene derivative is a mono-functional [6,6]-phenyl-C 61 -butyric acid methyl ester (PCBM). It is one of the most important electron acceptor materials presently used in organic bulk-heterojunction solar cells.…”