Herein we present the use of lanthanide directed self-assembly formation (Ln(III) = Eu(III), Tb(III)) in generation luminescent supramolecular polymers, that when swelled with methanol give rise to self-healing gels. These were analyzed by using and 1H NMR titrations studies, allowing for identification various species involved subsequent Ln(III)-gel formation. highly gels could be mixed a variety colors depending on their Eu(III):Tb(III) stoichiometric ratios. Imaging rheological studies...

Eu(III), the last piece in puzzle: Europium-induced self-assembly of ligands having a C(3)-symmetrical benzene-1,3,5-tricarboxamide core results formation luminescent gels. Supramolecular polymers are formed through hydrogen bonding between ligands. The then brought together into gel assembly coordination terpyridine ends by Eu(III) ions (blue dashed arrow: distance two strand direction).

Abstract The synthesis of a family chiral and enantiomerically pure pyridyl‐diamide ( pda ) ligands that upon complexation with europium [Eu(CF 3 SO ] result in complexes metal centered luminescence is reported; the sets enantiomers giving rise to both circular dichroism (CD) circularly polarized (CPL) signatures. solid‐state structures these metallosupramolecular systems are determined using X‐ray diffraction showing ligand chirality transferred from solution solid state. This optically...

Two types of dimeric complexes [Ln2(hfa)6(mu2-O(CH2)2NHMe2)2] and [Ln(thd)2(mu2,eta2-O(CH2)2NMe2)]2 (Ln = YIII, EuIII, GdIII, TbIII, TmIII, LuIII; hfa- hexafluoroacetylacetonato, thd- dipivaloylmethanato) are obtained by reacting [Ln(hfa)3(H2O)2] [Ln(thd)3], respectively, with N,N-dimethylaminoethanol in toluene fully characterized. X-ray single crystal analysis performed for the TbIII compounds confirms their structure. The coordination mode depends on nature beta-diketonate. In...

A novel near-infrared (NIR) emissive lanthanide-based zinc sensor was designed, based on the self-assembly in aqueous solution between nonemissive coordinatively unsaturated Yb(III) cyclen complex 2·Yb and sulfonated 8-hydroxyquinoline (8-HQS) chromophore, which employed as a sensitizing antenna. The resulting ternary complex, 2·Yb·8-HQS, displayed metal-centered emission NIR range upon excitation of antenna with high quantum yield Q = 0.23 ± 0.03% pH 7.4 buffered solution; demonstrating...

Herein, we have developed a white-light-emitting system based on the formation of discrete lanthanide-based self-assembled complexes using newly-designed ligand. We demonstrate that fine tuning lanthanide ions molar ratio in self-assemblies combined with intrinsic blue fluorescence ligand allows for successful emission pure white light CIE coordinates (0.33, 0.34).

The 4-amino-1,8-naphthalimide-Tröger's base fluorophore, TBNap-TPy, adorned with phenyl-terpyridine moiety was synthesised and assessed for its aggregation-induced emission (AIE) behaviour. TBNap-TPy further employed as a fluorescent sensor the discriminative sensing of π-electron-deficient nitroaromatic; displaying largest fluorescence quenching high selectivity picric acid, harmful environmental pollutant widely used in dye industries.

Combination of different properties has always proven effective in the generation hybrid materials with novel interesting properties. Ln(iii) containing possessing multiple are useful a wide range applications. In this article, key and recent examples metallo-supramolecular polymers formation gels, soft polymeric films discussed. There is focus on use trivalent lanthanide, Ln(iii), ions to provide advanced mechanical luminescence for applications developing electronic- bio-technologies. This...

In this article, we examine the phenomenon of single-crystal halide salt wire growth at surface porous materials. We report use a single-step casting technique with supramolecular self-assembly gel matrix that upon drying leads to (e.g., NaCl, KCl, and KI) nanowires diameters ∼130–200 nm. demonstrate their formation using electron microscopy electron-dispersive X-ray spectroscopy, showing stabilizes these wires by facilitating diffusion-driven base mechanism. Critically, show standard...

1·Eu·BPS was developed as a luminescent lanthanide sensor for use in displacement assays detection of d-metal ions by monitoring the changes europium emission, which quenched iron(II), with limit ∼10 pM (0.002 μg L−1) Fe(II) buffered pH 7.4 solution.

"Trinity Sliotar" family: Chiral ligands containing pyridyl and naphthalene moieties were synthesized characterized. These successfully used for the synthesis of EuIII bundles where chirality ligand is transferred onto lanthanide centre resulting in circularly polarized red luminescence. As a service to our authors readers, this journal provides supporting information supplied by authors. Such materials are peer reviewed may be re-organized online delivery, but not copy-edited or typeset....

The binding of asymmetrical and optically pure tridentate ligands (L = 1(S) 1(R)) containing one carboxylic group 2-naphthyl as an antenna to lanthanide ions (M La(iii) Eu(iii)) was studied in CH3CN, showing the successive formation M:L, M:L2 M:L3 stoichiometric species solution. europium complexes EuL3 were also synthesised, structurally characterised their photophysical properties probed CH3OH CH3CN. changes chiroptical both 1(R) used (by circular dichroism (CD) spectroscopy) monitor these...

2,6-Bis(1,2,3-triazol-4-yl)pyridine (btp) is a terdentate binding motif that synthesised modularly via the CuAAC reaction. Herein, we present synthesis of ligands 1 and 2 investigation coordination chemistry, photophysical behaviour electrochemistry complexes these with number d-metal ions (e.g. Ru(II), Ir(III), Ni(II) Pt(II)). The X-ray crystal structures ligand [Ru·22](PF6)Cl, [Ni·12](PF6)Cl [Ir·1Cl3] are also presented. All displayed non-classical triazolyl C–H⋯Cl− hydrogen bonding. but...

The tripodal terpyridine ligand, L, forms 1D helical supramolecular polymers/gels in H2O–CH3OH solution mediated through hydrogen bonding and π–π interactions. These gels further cross-link into 3D metallogels with a range of metal ions (M) such as Fe(II), Ni(II), Cu(II), Zn(II), Ru(III); the cross-linking resulting formation colored or colorless gels. fibrous morphology these was confirmed using scanning electron microscopy (SEM); while self-assembly processes between L M were investigated...

Tetradentate Schiff bases (H2Li), derivatives of salicylic aldehyde (H2L1, H2L2) or o-vanillin (H2L3, H2L4) with ethylenediamine o-phenylenediamine as a bridge, and their zinc complexes were studied experimentally theoretically in view possible application emitters organic light emitting diodes (OLEDs). The composition thin films the was analyzed using combination different experimental molecular modeling techniques taking into account changes Gibbs free energy dehydration dimerization...

The formation, stability constants and luminescence of chiral Eu(<sc>iii</sc>) supramolecular assemblies were studied in CH₃CN.

Two lanthanide luminescent naphthyl-dipicolinic amide (<bold>dpa</bold>) methacrylate monomers for the synthesis of grafted supramolecular co-polymer gels (hydrogels), and their use as additional crosslinks in robust covalently cross-linked HEMA hydrogels is presented.

EuIII – das letzte Puzzlestück: Die europiuminduzierte Selbstorganisation von Liganden mit einem C3-symmetrischen Benzol-1,3,5-tricarboxamid-Kern führt zu lumineszierenden Gelen. Durch Wasserstoffbrücken zwischen den entstehen supramolekulare Polymere. Sie werden durch die Koordination Terpyridin-Endgruppen EuIII-Ionen in Gelform überführt (blauer unterbrochener Pfeil: Abstand zwei Strangrichtung). Detailed facts of importance to specialist readers are published as "Supporting Information"....

The design and synthesis of dinuclear-lanthanide complexes possessing triazole-based bridges, formed by using copper catalysed 1,3-cycloaddition reactions between heptadentate alkyne functionalised cyclen europium or terbium di-azides (CuAAC reactions), are described. While this click reaction worked well for the formation homo-Eu(III) Tb(III) bis-tri-arm N,N-dimethyl acetamide complexes, 2Eu 2Tb, chiral N-methylnaphthalene based 3Eu (S,S,S) 4Eu (R,R,R), Eu(III) complex primary amide...