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Showing 1 to 12 of 695 entries
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Synthesis, crystal structure and magnetic properties of H2tppz[ReCl6] and [Cu(bpzm)2(μ-Cl)ReCl3(μ-ox)Cu(bpzm)2(μ-ox)ReCl3(μ-Cl)]n.

Dalton transactions (Cambridge, England : 2003)

Gryca I, Palion-Gazda J, Machura B, Penkala M, Kruszyński R, Cano J, Lloret F, Julve M.
PMID: 26369896
Dalton Trans. 2015 Oct 21;44(39):17118-28. doi: 10.1039/c5dt02522b. Epub 2015 Sep 15.

Two new Re(iv) compounds of formulae H2tppz[ReCl6] (1) and [Cu(bpzm)2(μ-Cl)ReCl3(μ-ox)Cu(bpzm)2(μ-ox)ReCl3(μ-Cl)]n (2) [tppz = 2,3,5,6-tetrakis(2-pyridyl)pyrazine and bpzm = bis(pyrazolyl-1-yl)methane] have been prepared and their crystal structures determined by X-ray diffraction on single crystals. Compound 1 is a mononuclear species whose...

Aerosol assisted chemical vapour deposition of gas sensitive SnO2 and Au-functionalised SnO2 nanorods via a non-catalysed vapour solid (VS) mechanism.

Scientific reports

Vallejos S, Selina S, Annanouch FE, Gràcia I, Llobet E, Blackman C.
PMID: 27334232
Sci Rep. 2016 Jun 23;6:28464. doi: 10.1038/srep28464.

Tin oxide nanorods (NRs) are vapour synthesised at relatively lower temperatures than previously reported and without the need for substrate pre-treatment, via a vapour-solid mechanism enabled using an aerosol-assisted chemical vapour deposition method. Results demonstrate that the growth of...

Using a Second Order Sigma-Delta Control to Improve the Performance of Metal-Oxide Gas Sensors.

Sensors (Basel, Switzerland)

Kowalski L, Pons-Nin J, Navarrete E, Llobet E, Domínguez-Pumar M.
PMID: 29473862
Sensors (Basel). 2018 Feb 23;18(2). doi: 10.3390/s18020654.

Controls of surface potential have been proposed to accelerate the time response of MOX gas sensors. These controls use temperature modulations and a feedback loop based on first-order sigma-delta modulators to keep constant the surface potential. Changes in the...

Ruthenium Water Oxidation Catalysts based on Pentapyridyl Ligands.

ChemSusChem

Gil-Sepulcre M, Böhler M, Schilling M, Bozoglian F, Bachmann C, Scherrer D, Fox T, Spingler B, Gimbert-Suriñach C, Alberto R, Bofill R, Sala X, Luber S, Richmond CJ, Llobet A.
PMID: 29068156
ChemSusChem. 2017 Nov 23;10(22):4517-4525. doi: 10.1002/cssc.201701747. Epub 2017 Nov 14.

Ruthenium complexes containing the pentapyridyl ligand 6,6''-(methoxy(pyridin-2-yl)methylene)di-2,2'-bipyridine (L-OMe) of general formula trans-[Ru

Enhanced detection of nitrogen dioxide via combined heating and pulsed UV operation of indium oxide nano-octahedra.

Beilstein journal of nanotechnology

Gonzalez O, Roso S, Vilanova X, Llobet E.
PMID: 28144501
Beilstein J Nanotechnol. 2016 Oct 25;7:1507-1518. doi: 10.3762/bjnano.7.144. eCollection 2016.

We report on the use of combined heating and pulsed UV light activation of indium oxide gas sensors for enhancing their performance in the detection of nitrogen dioxide in air. Indium oxide nano-octahedra were synthesized at high temperature (900...

Ferromagnetic Coupling in "Double-Bridged" Dihydrogenpyrophosphate Complexes of Cobalt(II) and Nickel(II).

Inorganic chemistry

Greenfield TJ, Hoffman AE, Marino N, Goos AG, Lloret F, Julve M, Doyle RP.
PMID: 26103521
Inorg Chem. 2015 Jul 06;54(13):6537-46. doi: 10.1021/acs.inorgchem.5b00866. Epub 2015 Jun 23.

Three isostructural compounds of the formula {[M(bipy)(H2O)(H2P2O7)]2·2H2O} [bipy = 2,2'-bipyridine; M = Ni (1), Co (2), Mn (3)] have been isolated from aqueous solutions containing the corresponding metal(II) chloride hydrate with a bipy and sodium pyrophosphate solution in a...

New powerful and oxidatively rugged dinuclear Ru water oxidation catalyst: control of mechanistic pathways by tailored ligand design.

Journal of the American Chemical Society

Neudeck S, Maji S, López I, Meyer S, Meyer F, Llobet A.
PMID: 24328119
J Am Chem Soc. 2014 Jan 08;136(1):24-7. doi: 10.1021/ja409974b. Epub 2013 Dec 24.

A new powerful and oxidatively rugged pyrazolate-based water oxidation catalyst of formula {[Ru(II)(py-SO3)2(H2O)]2(μ-Mebbp)}(-), 1(H2O)2(-), has been prepared and thoroughly characterized spectroscopically and electrochemically. This new catalyst has been conceived based on a specific ligand tailoring design, so that its...

Aerosol-Assisted CVD-Grown PdO Nanoparticle-Decorated Tungsten Oxide Nanoneedles Extremely Sensitive and Selective to Hydrogen.

ACS applied materials & interfaces

Annanouch FE, Haddi Z, Ling M, Di Maggio F, Vallejos S, Vilic T, Zhu Y, Shujah T, Umek P, Bittencourt C, Blackman C, Llobet E.
PMID: 27043301
ACS Appl Mater Interfaces. 2016 Apr 27;8(16):10413-21. doi: 10.1021/acsami.6b00773. Epub 2016 Apr 18.

We report for the first time the successful synthesis of palladium (Pd) nanoparticle (NP)-decorated tungsten trioxide (WO3) nanoneedles (NNs) via a two-step aerosol-assisted chemical vapor deposition approach. Morphological, structural, and elemental composition analysis revealed that a Pd(acac)2 precursor was...

Spin Crossover in Double Salts Containing Six- and Four-Coordinate Cobalt(II) Ions.

Inorganic chemistry

Palion-Gazda J, Machura B, Kruszynski R, Grancha T, Moliner N, Lloret F, Julve M.
PMID: 28530402
Inorg Chem. 2017 Jun 05;56(11):6281-6296. doi: 10.1021/acs.inorgchem.7b00360. Epub 2017 May 22.

The preparation and spectroscopic and structural characterization of three cobalt(II) complexes of formulas [Co(tppz)

MHDA-Functionalized Multiwall Carbon Nanotubes for detecting non-aromatic VOCs.

Scientific reports

Thamri A, Baccar H, Struzzi C, Bittencourt C, Abdelghani A, Llobet E.
PMID: 27721503
Sci Rep. 2016 Oct 10;6:35130. doi: 10.1038/srep35130.

The chemical modification of multiwalled carbon nanotubes (MWCNTs) with a long chain mercapto acid is reported as a way to improve sensitivity and response time of gas sensors for detecting alcohols, acetone and toxic gases such as DMMP. We...

Synthesis, crystal structure and magnetic properties of a novel heterobimetallic rhenium(IV)-dysprosium(III) chain.

Chemistry (Weinheim an der Bergstrasse, Germany)

Pejo C, Guedes GP, Novak MA, Speziali NL, Chiozzone R, Julve M, Lloret F, Vaz MG, González R.
PMID: 25916407
Chemistry. 2015 Jun 08;21(24):8696-700. doi: 10.1002/chem.201500168. Epub 2015 Apr 27.

The use of the mononuclear rhenium(IV) precursor [ReBr5 (H2 pydc)](-) (H2 pydc=3,5-pyridinedicarboxylic acid) as a metalloligand towards dysprosium(III) afforded the first heterobimetallic Re(IV) -Dy(III) complex. Crystal structures and static and dynamic magnetic properties of both rhenium-containing species are reported...

Chemical Interaction, Space-charge Layer and Molecule Charging Energy for a TiO.

The journal of physical chemistry. C, Nanomaterials and interfaces

Martínez JI, Flores F, Ortega J, Rangan S, Ruggieri C, Bartynski R.
PMID: 26877826
J Phys Chem C Nanomater Interfaces. 2015 Sep 24;119(38):22086-22091. doi: 10.1021/acs.jpcc.5b07045.

Three driving forces control the energy level alignment between transition-metal oxides and organic materials: the chemical interaction between the two materials, the organic electronegativity and the possible space charge layer formed in the oxide. This is illustrated in this...

Showing 1 to 12 of 695 entries