A5064107887- Metal-Organic Frameworks: Synthesis and Applications
- Perovskite Materials and Applications
- Luminescence and Fluorescent Materials
- Photochemistry and Electron Transfer Studies
- Advanced Nanomaterials in Catalysis
- Magnetism in coordination complexes
- Nanoplatforms for cancer theranostics
- Quantum Dots Synthesis And Properties
- Covalent Organic Framework Applications
- Molecular Sensors and Ion Detection
- Radical Photochemical Reactions
- X-ray Diffraction in Crystallography
- Nanocluster Synthesis and Applications
- Porphyrin and Phthalocyanine Chemistry
- Crystallization and Solubility Studies
- Gas Sensing Nanomaterials and Sensors
- Solid-state spectroscopy and crystallography
- Chalcogenide Semiconductor Thin Films
- Advanced Photocatalysis Techniques
- Inorganic Fluorides and Related Compounds
- Organic Light-Emitting Diodes Research
- Organic and Molecular Conductors Research
- Analytical Chemistry and Sensors
- Machine Learning in Materials Science
- Electron Spin Resonance Studies
Universidad de Jaén
2025
University of Castilla-La Mancha
2015-2024
University of Oxford
2020-2022
KU Leuven
2020
Instituto de Salud Carlos III
2017
École Polytechnique Fédérale de Lausanne
2016
Luminescent metal–organic frameworks (MOFs) offer a multifunctional platform for creating noninvasive sensors and tunable optoelectronics. However, fluorochromic materials that are photophysically resilient show high sensitivity toward different physical chemical stimuli scarce. We report facile host–guest nanoconfinement strategy to construct fluorescent hybrid material with multiple sensing capabilities. design fabricate new Guest@MOF material: comprising zeolitic MOF (ZIF-71) as...
The library of isostructural porous frameworks enables a systematic survey to optimize the structure and functionality materials.
We report on an element-selective study of the fate charge carriers in photoexcited inorganic CsPbBr3 and CsPb(ClBr)3 perovskite nanocrystals toluene solutions using time-resolved X-ray absorption spectroscopy with 80 ps time resolution. Probing Br K-edge, Pb L3-edge, Cs L2-edge, we find that holes valence band are localized at atoms, forming small polarons, while electrons appear as delocalized conduction band. No signature either electronic or structural changes is observed L2-edge. The...
A photoexcited Zr-based MOF having two different linkers shows excimer formation, energy transfer and ligand-to-cluster charge reactions.
Abstract Light‐emitting diodes (LEDs) are an efficient source of lighting, with many commercial applications like general illumination, camera flashes, phone or laptop displays, and TV screens. However, they present certain limitations, including low‐quality color rendition, the use expensive/toxic rare‐earth elements. There is therefore urgent need for development improved luminescent materials free rare earths. Luminescent metal–organic framework (LMOF) promising candidates photonics...
Stepwise and coupled photoinduced ICT ESIPT reactions in a simple derivative of HBO solution.
Abstract The search for new smart‐materials in solid‐state light‐emitting applications, like hybrid organic–inorganic devices (OLEDs), has seen an intense growth the recent years. Among all possibilities, metal‐organic frameworks (MOFs) have emerged as promising smart materials due to their chemical and structural properties. Herein, first time, use of a Zr‐based MOF (Zr‐NDC, NDC = dimethyl 2,6‐naphthalenedicarboxylate) electroluminescent active material OLED is reported. results indicate...
Metal-organic frameworks (MOFs) can provide exceptional porosity for molecular guest encapsulation useful emergent applications in sensing, gas storage, drug delivery, and optoelectronics. Central to the realization of such applications, however, is successful incorporation a functional confined within host framework. Here, we demonstrate, first time, feasibility scattering-type scanning near-field optical microscopy (s-SNOM) nano-Fourier transform infrared (nanoFTIR) spectroscopy, concert...
Abstract Luminescent Mn(II)‐based organic–inorganic hybrid halides have drawn attention as potential materials for sensing and photonics applications. Here, the synthesis characterization of methylammonium (MA) manganese bromide ((MA) n Br x Mn(H 2 O) , ( = 1, 4 3, 6)) with different stoichiometries organic cation inorganic counterpart, are reported. While Mn 2+ centers an octahedral conformation, two coordinating water molecules found either in cis 1 ) or trans positions. The photophysical...
ABSTRACT This paper presents the results of spectroscopic analyses carried out on two mosaics in province Jaén (Spain). They were part a wider research project (GeoChemMos) aimed at geochemically characterising and highlighting value group discovered Upper Guadalquivir region. The first, Tethys Mosaic, was analysed situ Museum using portable Raman equipment. In second case, El Altillo loose tesserae benchtop Raman, EDXRF instruments. study complemented with petrographic analysis. methodology...
Nanocomposites of a Zr-based MOF containing Coumarin 153 and Nile Red show efficient multicolor white light emission.
The T12-apo-based HOF shows a dependence of its emission spectra and lifetimes on the crystal size, where π–π interactions H-bond networks are paramount to crystalline nature photobehaviour.
A series of fluorescein-encapsulated zeolitic imidazolate framework-8 (fluorescein@ZIF-8) luminescent nanoparticles with a scalable guest loading has been fabricated and characterized. The successful encapsulation the organic dye (fluorescein) is supported by both experimental evidence theoretical simulations. measured optical band gap found to be comparable computed values hypothetical guest–host system. Isolated monomers aggregate species fluorescein confined in ZIF-8 nanocrystals have...
Luminescent materials responsive to external stimuli have captivated great attention owing their potential implementation in noninvasive photonic sensors. metal-organic frameworks (LMOFs), a type of porous crystalline material, emerged as one the most promising candidates for these applications. Moreover, LMOFs constructed with organic linkers that undergo excited-state intramolecular proton-transfer (ESIPT) reactions are particularly relevant since changes surrounding environment induce...
We report on the spectra and dynamics of a Zr-naphthalene dicarboxylic acid (Zr-NDC) MOF in different diluted solvent suspensions concentrated tetrahydrofuran (THF) one. In diethyl ether (DE) suspension, we observed intraparticle excimer formation between neighboring naphthalene organic linkers, leading to red-shifted broad band emission spectrum composed three components τ1 = 650 ps, τ2 3.7 ns τ3 13.9 ns, assigned photoproduction, monomer lifetimes, respectively. Furthermore, both...
The spectroscopy and dynamics of a series Zr-based MOFs in dichloromethane suspension are reported. These Zr-NADC were constructed by using different mixtures 2,6-naphthalenedicarboxylate (NDC) 4-amino-2,6-naphthalenedicarboxylate (NADC) as organic linkers. fraction NADC relative to NDC these heterolinker ranges from 2 35 %. results indicate two competitive photoprocesses: excimer formation an energy transfer (ET) excited linkers Increasing the nanostructure decreases mean time constant...
Abstract Luminescent metal‐organic frameworks (LMOFs) are promising materials for nanophotonic applications due to their tuneable structure and programmability. Yet, the 3D nature of LMOFs creates challenges stability, optical transparency, device integration. Metal‐organic nanosheets (MONs) potentially overcome these limitations by combining benefits (MOFs) with an atomically thin morphology large planar dimensions. Herein, bottom‐up synthesis few‐layer ZIF‐7‐III MONs via facile low‐energy...
We performed a detailed study of new Mn- and Br-based perovskite providing information on its single crystal structure, thermal stability, spectroscopic, photodynamics, FLIM green down-converted LED (pictured) behaviours.
The present work describes the fluorescence spectroscopy and photodynamics of two different Zr mixed-linkers MOFs (Zr-NDC/Tz Zr-NDC/CN) their interactions with nitroaromatics.
Exploring the mechanism of proton motion coupled to a charge-transfer reaction in new HBO derivative solution using steady-state and ultrafast emission spectroscopy shows an abnormal spectroscopic dynamical behavior.