Juan Manuel Herrera
YOU?
Author Swipe
View article: Bright LaF<sub>3</sub>:Eu@Ir Phosphors Combining Two‐Photon Excitation, d → f Energy Transfer and Tunable Time‐Gated Chromaticity for Multicolor Cell Imaging
Bright LaF<sub>3</sub>:Eu@Ir Phosphors Combining Two‐Photon Excitation, d → f Energy Transfer and Tunable Time‐Gated Chromaticity for Multicolor Cell Imaging Open
In order to advance the practical applications of photoluminescence lanthanide‐based nanoparticles (LnNPs), it is essential to minimize quenching by surface defects and to enhance the efficiency of lanthanide excitation. Surface functional…
View article: Modulating the spin–flip rates and emission energies through ligand design in chromium(<scp>iii</scp>) molecular rubies
Modulating the spin–flip rates and emission energies through ligand design in chromium(<span>iii</span>) molecular rubies Open
Three homoleptic spin–flip (SF) emitters, namely [Cr(Mebipzp) 2 ] 3+ (1), [Cr(IMebipzp) 2 ] 3+ (2) and [Cr(bip*) 2 ] 3+ (3), have been successfully synthesized and characterized.
View article: Engineering Mononuclear Ln(III) Complexes with a Pseudo-Macrocyclic Hexadentate N4O2 Schiff Base Ligand Exhibiting Slow Magnetic Relaxation
Engineering Mononuclear Ln(III) Complexes with a Pseudo-Macrocyclic Hexadentate N4O2 Schiff Base Ligand Exhibiting Slow Magnetic Relaxation Open
We report here the synthesis of a series of nine coordinated mononuclear LnIII complexes [LnL1Cl2(DMF)]Cl·2.5DMF and [LnL1(L2)2]Cl·4CH3OH (LnIII = GdIII, DyIII, ErIII and YbIII, HL2 = 9-anthracenecarboxylic acid), where L1 is a hexadentate…
View article: Self-Assembled Tetrahedral [Cr<sup>III</sup><sub>4</sub>L<sub>6</sub>]<sup>12+</sup> Cage Displaying Near-Infrared Spin-Flip Photoluminescence
Self-Assembled Tetrahedral [Cr<sup>III</sup><sub>4</sub>L<sub>6</sub>]<sup>12+</sup> Cage Displaying Near-Infrared Spin-Flip Photoluminescence Open
The thermodynamically controlled self-assembly of bis-bidentate quaterpyridine ligand, L = 2,2':5',5″:2″,2‴-quaterpyridine, with CrII and subsequent oxidation to CrIII yields the first photoluminescent tetrahedral [Cr…
View article: Color‐Tunable Luminescence of Eu‐Doped LaF<sub>3</sub> Particles Sensitized by d–f Energy Transfer from a Two‐Photon Absorbing Ir(III) Complex
Color‐Tunable Luminescence of Eu‐Doped LaF<sub>3</sub> Particles Sensitized by d–f Energy Transfer from a Two‐Photon Absorbing Ir(III) Complex Open
The surface of Eu 0.3 La 0.7 F 3 submicron particles is functionalized with a blue‐emitting Ir(III) complex ( 1 ) specifically designed to coordinate lanthanide(III) ions efficiently through a carboxylic unit. In this Eu 0.3 La 0.7 F 3 @1 …
View article: Luminescence and Excited-State Reactivity in a Heteroleptic Tricyanido Fe(III) Complex
Luminescence and Excited-State Reactivity in a Heteroleptic Tricyanido Fe(III) Complex Open
Harnessing sunlight via photosensitizing molecules is key for novel optical applications and solar-to-chemical energy conversion. Exploiting abundant metals such as iron is attractive but becomes challenging due to typically fast nonradiat…
View article: CCDC 2221012: Experimental Crystal Structure Determination
CCDC 2221012: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2221011: Experimental Crystal Structure Determination
CCDC 2221011: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Unprecedented Ir(<scp>iii</scp>) cationic complexes based on tridentate tetrazolate ligands: synthesis, photophysics and encapsulation in SiO<sub>2</sub> nanoparticles
Unprecedented Ir(<span>iii</span>) cationic complexes based on tridentate tetrazolate ligands: synthesis, photophysics and encapsulation in SiO<sub>2</sub> nanoparticles Open
Ir( iii ) complexes derived from 2-(tetrazole-5-yl)-1,10-phenanthroline (phenttz) were prepared. The complex [Ir(tpy)(phenttz)] 2+ was embedded within silica nanoparticles and its emissive properties improved.
View article: Eu<sup>III</sup> functionalized silica nanoparticles encapsulating chiral Cr<sup>III</sup> complexes with simultaneous unpolarized red and polarized NIR-I luminescence
Eu<sup>III</sup> functionalized silica nanoparticles encapsulating chiral Cr<sup>III</sup> complexes with simultaneous unpolarized red and polarized NIR-I luminescence Open
Mixing a chiral Cr( iii ) complex with an achiral Eu( iii ) complex into a silica nanoparticle gave rise to simultaneous unpolarized red and polarized NIR luminescence.
View article: La memoria social en los tiempos del posacuerdo. Entre el testimonio, el perdón y el olvido
La memoria social en los tiempos del posacuerdo. Entre el testimonio, el perdón y el olvido Open
En el presente capítulo se interpretan los dilemas de la memoria social en los escena-rios del posacuerdo, identificando para el contexto colombiano las relaciones entre testimonio, perdón y olvido como tres nodos relacionales que nos perm…
View article: Author Correction: Proton acceleration in thermonuclear nova explosions revealed by gamma rays
Author Correction: Proton acceleration in thermonuclear nova explosions revealed by gamma rays Open
View article: Proton acceleration in thermonuclear nova explosions revealed by gamma rays
Proton acceleration in thermonuclear nova explosions revealed by gamma rays Open
Classical novae are cataclysmic binary star systems in which the matter of a companion star is accreted on a white dwarf (WD). Accumulation of hydrogen in a layer eventually causes a thermonuclear explosion on the surface of the WD, bright…
View article: Monitoring spin-crossover phenomena <i>via</i> Re(<scp>i</scp>) luminescence in hybrid Fe(<scp>ii</scp>) silica coated nanoparticles
Monitoring spin-crossover phenomena <i>via</i> Re(<span>i</span>) luminescence in hybrid Fe(<span>ii</span>) silica coated nanoparticles Open
Bifunctional Fe( ii )-SCO/Re( i )-luminescent nanocomposites were prepared, in which the Re( i ) 3 MLCT emission is regulated through the thermal switch of the Fe( ii ) t 2g 6 e g 0 /t 2g 4 e g 2 electronic configurations.
View article: CCDC 2023665: Experimental Crystal Structure Determination
CCDC 2023665: Experimental Crystal Structure Determination Open
View article: CCDC 2023655: Experimental Crystal Structure Determination
CCDC 2023655: Experimental Crystal Structure Determination Open
View article: CCDC 2023663: Experimental Crystal Structure Determination
CCDC 2023663: Experimental Crystal Structure Determination Open
View article: CCDC 2023662: Experimental Crystal Structure Determination
CCDC 2023662: Experimental Crystal Structure Determination Open
View article: Detection of the Geminga pulsar with MAGIC hints at a power-law tail emission beyond 15 GeV
Detection of the Geminga pulsar with MAGIC hints at a power-law tail emission beyond 15 GeV Open
We report the detection of pulsed gamma-ray emission from the Geminga pulsar (PSR J0633+1746) between 15 GeV and 75 GeV. This is the first time a middle-aged pulsar has been detected up to these energies. Observations were carried out with…
View article: CCDC 1957205: Experimental Crystal Structure Determination
CCDC 1957205: Experimental Crystal Structure Determination Open
View article: CCDC 1834837: Experimental Crystal Structure Determination
CCDC 1834837: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Editorial: Molecular Magnets
Editorial: Molecular Magnets Open
Since the discovery of single molecule magnetism in a Mn12 complex in 1993, the research on this field has received growing attention. This is mainly due to the great advantages that the molecular magnets would have in storage and data pro…
View article: CCDC 1891560: Experimental Crystal Structure Determination
CCDC 1891560: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 1891542: Experimental Crystal Structure Determination
CCDC 1891542: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 1891553: Experimental Crystal Structure Determination
CCDC 1891553: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 1891541: Experimental Crystal Structure Determination
CCDC 1891541: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: A Chiral Bipyrimidine-Bridged Dy2 SMM: A Comparative Experimental and Theoretical Study of the Correlation Between the Distortion of the DyO6N2 Coordination Sphere and the Anisotropy Barrier
A Chiral Bipyrimidine-Bridged Dy2 SMM: A Comparative Experimental and Theoretical Study of the Correlation Between the Distortion of the DyO6N2 Coordination Sphere and the Anisotropy Barrier Open
Chiral bipyrimidine-bridged dinuclear LnIII complexes of general formula [(μ-bipym){((+)-tfacam)3Ln}2] and [(μ-bipym){((-)-tfacam)3Ln}2], have been prepared from the assembly of Ln(AcO…
View article: Field-Induced Single Molecule Magnets of Phosphine- and Arsine-Oxides
Field-Induced Single Molecule Magnets of Phosphine- and Arsine-Oxides Open
The coordination chemistry of dysprosium and terbium toward phosphine and arsine oxides was further explored. Thus, the new nitrate [M(NO3)3(Ph3PO)3] (M = Tb, 1; Dy, 2), [Dy(…
View article: Tb<sub>2</sub>, Dy<sub>2</sub>, and Zn<sub>2</sub>Dy<sub>4</sub> Complexes Showing the Unusual Versatility of a Hydrazone Ligand toward Lanthanoid Ions: a Structural and Magnetic Study
Tb<sub>2</sub>, Dy<sub>2</sub>, and Zn<sub>2</sub>Dy<sub>4</sub> Complexes Showing the Unusual Versatility of a Hydrazone Ligand toward Lanthanoid Ions: a Structural and Magnetic Study Open
Three dinuclear complexes, [Tb2(H2daps)2(CH3OH)5.5(H2O)0.5](Cl)2 (Tb2Cl), [Dy2(H2daps)2(Cl)(CH3O…
View article: Designing a Dy<sub>2</sub> Single-Molecule Magnet with Two Well-Differentiated Relaxation Processes by Using a Nonsymmetric Bis-bidentate Bipyrimidine-<i>N</i>-Oxide Ligand: A Comparison with Mononuclear Counterparts
Designing a Dy<sub>2</sub> Single-Molecule Magnet with Two Well-Differentiated Relaxation Processes by Using a Nonsymmetric Bis-bidentate Bipyrimidine-<i>N</i>-Oxide Ligand: A Comparison with Mononuclear Counterparts Open
Herein we report a dinuclear [(μ-mbpymNO){(tmh)3Dy}2] (1) single-molecule magnet (SMM) showing two nonequivalent DyIII centers, which was rationally prepared from the reaction of Dy(tmh)3 moietie…