123974-61-8Relevant articles and documents
Phototunable liquid-crystalline phases made of nanoparticles
Zep, Anna,Wojcik, Michal M.,Lewandowski, Wiktor,Sitkowska, Kaja,Prominski, Aleksander,Mieczkowski, Joef,Pociecha, Damian,Gorecka, Ewa
, p. 13725 - 13728 (2014)
The properties of liquid-crystalline (LC) hybrid systems made of inorganic nanoparticles grafted with photosensitive azo compounds are presented. For materials with a large density of azo ligands at the surface, the LC structure can be reversibly melted by UV light, and the return to the LC state does not require the absorption of visible light. For systems with a lower density of azo ligands, UV light causes shortening of the distance between metal sublayers in the lamellar phase. Interestingly, the azo derivatives attached to the nanoparticle surface show very different kinetics of cis/trans conformational change as compared to the free molecules. The cis form of free ligands in solution is stable for days, whereas the isomerization of molecules attached to the nanoparticle surface to the trans form takes only a few minutes. Apparently, owing to the crowded environment, azo ligands immobilized at a metal surface behave as they would in the condensed state.
Modulating the self-assembly of rigid "clicked" dendrimers at the solid-liquid interface by tuning non-covalent interactions between side groups
Cadeddu, Andrea,Ciesielski, Artur,El Malah, Tamer,Hecht, Stefan,Samori, Paolo
supporting information; experimental part, p. 10578 - 10580 (2011/11/06)
First generation poly(triazole-phenylene) dendrimers equipped with peripheral alkyl or carboxylic acid groups to engage in van der Waals and hydrogen-bonding interactions, respectively, assemble into distinct two-dimensional nano-structures at the solid-l
Calixarenes with diphenylphosphoryl acetamide functions at the upper rim. A new class of highly efficient extractants for lanthanides and actinides
Arnaud-Neu, Francoise,Boehmer, Volker,Dozol, Jean-Francois,Gruettner, Cordula,Jakobi, Ralf A.,Kraft, Dagmar,Mauprivez, Olivier,Rouquette, Helene,Schwing-Weill, Marie-Jose,Simon, Nicole,Vogt, Walter
, p. 1175 - 1182 (2007/10/03)
Various calix[4]arene tetraalkyl ethers and a calix[5]arene pentaalkyl ether substituted at the upper rim by the CMPO-like functional group -NH-C(O)-CH2-P(O)Ph2 as well as some linear model compounds have been synthesized for the fir