1096159-35-1Relevant academic research and scientific papers
Fullerene-Filled Liquid-Crystal Stars: A Supramolecular Click Mechanism for the Generation of Tailored Donor–Acceptor Assemblies
Lehmann, Matthias,Dechant, Moritz,Holzapfel, Marco,Schmiedel, Alexander,Lambert, Christoph
, p. 3610 - 3615 (2019)
Two shape-persistent star mesogens with oligo(phenylene ethenylene) arms and a phthalocyanine core—one providing free space (2) and one sterically encumbered by four fullerenes attached through spacers (3)—have been successfully synthesized. In contrast to the smaller discotic derivative 1, mesogen 2 forms a columnar liquid crystal (LC), which can only be partially aligned without π-stacking, while 3 is not an LC. Exceptionally, the 1:1 mixture of 2 and 3 forms an alignable columnar LC with strong π-stacking and quadruply helically organized fullerenes by an unprecedented click process that is similar to a ball detent mechanism. The C60 units also interconnect different columns. This is driven by nanosegregation and space-filling of the voids with fullerenes. Photophysical studies confirm the presence of a light-collecting system that generates charge-separated states in solution and in the solid state, which makes such highly organized materials attractive for the study of future photovoltaic devices.
Thermoresponsive dendrimers based on oligoethylene glycols: Design, synthesis and cytotoxic activity against MCF-7 breast cancer cells
Abdel-Rahman, Mona A.,Al-Abd, Ahmed M.
, p. 848 - 854 (2013/11/06)
Three interesting thermoresponsive branched oligoethylene glycol dendrimers based on tetrabromohydroquinone were efficiently synthesized from tetrabromohydroquinone and three different oligoethylene glycol derivatives. By visual inspection, all these dend
Thermoresponsive dendronized polymers with tunable lower critical solution temperatures
Li, Wen,Zhang, Afang,Schlueter, A. Dieter
supporting information; experimental part, p. 5523 - 5525 (2009/04/13)
A series of first (PG1) and second generation (PG2) dendronized polymers were synthesized which exhibit fast and sharp phase transitions with negligible hystereses in aqueous solutions and apparent lower critical solution temperatures (LCSTs) in the range of 33-49 °C. The Royal Society of Chemistry.
