Institut de Nanociència i Nanotecnologia (IN2UB): Enviaments recents
Ara mostrant els elements 21-40 de 382
Ti-containing hybrid organosilicas, Mo(x)C/g-C(3)N(4) nanocomposites and engineered Mo(x)C/TiO(2) nanomaterials as noble-metal-free photocatalysts for H(2) production
[eng] The photocatalytic hydrogen production is considered an environmentally promising and friendly method, which could lead to achieve clean and renewable hydrogen and contribute in the future to store solar energy as ...
Activity Report 2020
The Scientific Activity Report of the IN2UB of the year 2020 is with no doubts a very special one for the history of the Institute. It summarizes the engagement of the organization during the year of the irruption of ...
A Dissymmetric [Gd2] Coordination Molecular Dimer Hosting six Addressable Spin Qubits
Artificial magnetic molecules can host several spin qubits, which could then implement small-scale algorithms. In order to become of practical use, such molecular spin processors need to increase the available computational ...
Heterometallic Co-Dy SMMs grafted on iron oxide nanoparticles
Heterometallic 3d-4f SMM [Co4Dy(OH)2(SALOH)5(chp)4(MeCN)(H2O)2] (1) has been deposited onto iron oxide nanoparticles (NPs) with an oleate self-assembled monolayer (SAM) as a surfactant. The obtained hybrid molecular-inorganic ...
Improving the emission quantum yield in dinuclear Eu(III) and Tb(III) complexes with 2-fluorobenzoate.
The reaction of Ln(NO3)2·6H2O salts (Ln = Eu and Tb) with an excess of 2-fluorobenzoic acid (H-2FBz) in an ethanol/water mixture allows the isolation of dinuclear compounds with the formula [Ln2(μ2-2FBz)4(2FBz)2(H-2FBz)2(H2O)2] ...
A Ni11 coordination cluster from the use of the di-2-pyridyl ketone/acetate ligand combination: synthetic, structural and magnetic studies
The combined use of di-2-pyridyl ketone, (py)2CO, and acetates (MeCO2−) in nickel(II) chemistry in H2O-MeCN under basic conditions (Et3N) afforded the coordination cluster [Ni11(OH)6(O2CMe)12{(py)2C(OH)(O)}4(H2O)2] (1) in ...
Chalcone-based fluorescent chemosensors as new tools for detecting Cu2+ ions
The design and full characterization of new fluorescent chemosensors for Cu2+ is herein presented. The structure of the sensors is based on a chalcone backbone as the chromophoric unit, with di-(2-picolyl)amine (DPA) as a ...
Polysiloxane Side-Chain Azobenzene-Containing Liquid Single Crystal Elastomers for Photo-Active Artificial
Liquid crystals (LCs) are unique materials with amazing properties and uses. Since their discovery in 1889 by F. Reinitzer1, they have experienced an explosive growth because of their successful application in a wide ...
Accessing Lanthanide-to-Lanthanide Energy Transfer in a Family of Site-Resolved [LnIIILnIII'] Heterometallic Complexes
The ligand H3 L (6-[3-oxo-3-(2-hydroxyphenyl)propionyl]pyridine-2-carboxylic acid), which exhibits two different coordination pockets, has been exploited to engender and study energy transfer (ET) in two dinuclear [LnIII ...
Monitoring the insertion of Pt into Cu2−xSe nanocrystals: a combined structural and chemical approach for the analysis of new ternary phases
The tuning of the chemical composition in nanostructures is a key aspect to control for the preparation of new multifunctional and highly performing materials. The modification of Cu2−xSe nanocrystals with Pt could provide ...
Base-assisted synthesis of 4-pyridinate gold(I) metallaligands: a study of their use in self-assembly reactions
The synthesis of di- and tritopic gold(I) metallaligands of the type [(Au4-py)2(μ2-diphosphane)] (diphosphane = bis(diphenylphosphanyl)isopropane or dppip (1), 1,2-bis(diphenylphosphanyl)ethane or dppe (2), 1,3-bis(diphe ...
XRPD as a powerful tool to exploit in organic electronics: shedding light on the first N,N',N''-trialkyldiindolocarbazole crystal structure
The first crystal structure of a fully N-alkylated diindolocarbazole derivative, namely, 5,8,14-tributyldiindolo[3,2-b;2′,3′-h]carbazole (1, C36H39N3), has been determined from laboratory powder X-ray diffraction (PXRD) ...
Large barocaloric effects in two novel ferroelectric molecular plastic crystals
Materials undergoing pressure-driven solid–solid phase transformations can be a valuable alternative for eco-friendly refrigeration, heat pumping and waste heat recovery based on the barocaloric effect. Ferroelectric ...
Heterodinuclear [Co-Ln] complexes of semicarbazide-arm bearing ligand: synthesis from the cleavage of starting [Co-Co] complex, structures and magnetic properties
The heterometallic bridging potential of the anion of 1-(2-hydroxy-3-methoxybenzylidene)-semicarbazide (HL) to CoIIand four 4f ions was examined during a 4f ion coordination-driven cleavageof [Co2(m-OH2)(O2CCMe3)4(HO2CCM ...
Rhodium and ruthenium complexes of methylene-bridged, P-stereogenic, unsymmetrical diphosphanes
Enantiopure P-stereogenic methylphosphane-boranes (SP)-P(BH3)PhArMe (ArMe; Ar = 1-naphthyl (NpMe), and 2-biphenylyl (BiphMe)) have been used to prepare diphosphanes of the type ArPhPCH2PR2 (R = Ph, iPr or tBu; ArR). The ...
Two [Ln(4)] molecular rings folded as compact tetrahedra
The design of photoactive ligands may provide access to multifunctional molecular nanomagnets. Wereport here the design and synthesis of a new multitopic chelating ligand, 1,2-bis-(5-(N'-(pyridine-2-yl-methylene)-carbohy ...
Binding Studies of a Luminescent Pt(II) Organometallic Calix[4]pyrrole with Halide Salts
We report the synthesis of a luminescent Pt(II) complex, PtL2, based on a “two-wall” aryl-extended calix[4]pyrrole (C[4]P). We characterize its binding properties as a receptor of methyl trioctyl ammonium chloride (MTOA·Cl) ...
Broadening the scope of high structural dimensionality nanomaterials using pyridine-based curcuminoids
We present a new heteroditopic ligand (3pyCCMoid) that contains the typical skeleton of a curcuminoid (CCMoid) decorated with two 3-pyridyl groups. The coordination of 3pyCCMoid with ZnII centres results in a set of novel ...
Caboxylate-Decorated Aggregation of Octanuclear Co4Ln4(Ln = Dy, Ho, Yb) Complexes from Ligand-Controlled Hydrolysis: Synthesis, Structures, and Magnetic Properties
One-pot reactions of an asymmetric carboxy-ether-phenol based Schiff base H2L (2-((2-hydroxy-3-methoxybenzylidene)amino)benzoic acid) with selected Ln(NO3)3·nH2O and [Co2(μ-OH2)(O2CCMe3)4(HO2CCMe3)4] (Co2-Piv) in basic ...
A heterometallic [LnLn ' Ln] lanthanide complex as a qubit with embedded quantum error correction
We show that a [Er-Ce-Er] molecular trinuclear coordination compound is a promising platform to implement the three-qubit quantum error correction code protecting against pure dephasing, the most important error in magnetic ...
