Highly uniform and well-dispersed CeO(2) CeO(2):Eu(3+) (Sm(3+), Tb(3+)) nanocrystals were prepared by a nonhydrolytic solution route characterized X-ray diffraction (XRD), transmission electron microscopy (TEM), photoelectron spectra (XPS), UV/vis absorption, photoluminescence (PL) spectra, respectively. The result of XRD indicates that the are well crystallized with cubic structure. TEM images illustrate average size is about 3.5 nm in diameter. absorption spectrum exhibits red-shifting...

Indium hydroxide, In(OH)3, nano-microstructures with two kinds of morphology, nanorod bundles (around 500 nm in length and 200 diameter) caddice spherelike agglomerates 750-1000 diameter), were successfully prepared by the cetyltrimethylammonium bromide (CTAB)/water/cyclohexane/n-pentanol microemulsion-mediated hydrothermal process. Calcination In(OH)3 crystals different morphologies (nanorod spheres) at 600 degrees C air yielded In2O3 same morphology. X-ray diffraction, scanning electron...

High-quality ZnS, ZnS:Mn2+, and ZnS:Mn2+/ZnS (core/shell) nanocrystals (NCs) were synthesized via a high-boiling solvent process characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), paramagnetic resonance (EPR), photoelectron spectroscopy (XPS), photoluminescence (PL) spectra. The monodisperse ZnS NCs (size = 8 nm), which self-assembled into several micrometer-sized domains, achieved adopting poly(ethylene glycol) (PEG) in the reaction (without using...

In recent years, graphene films have been used in a series of wide applications the biomedical area, because several advantageous characteristics. Currently, these are derived from oxide (GO) via chemical or physical reduction methods, which results significant decrease surface hydrophilicity, although electrical property could be greatly improved, process. Hence, comprehensive performance showed practical limitations field, incompatibility highly hydrophobic surfaces to support cell...

Transparent and highly luminescent hydrogels synthesized by covalent grafting of lanthanide complexes onto PNIPAM exhibit tunable multi-color luminescence properties.

In recent years, molybdenum disulfide (MoS2) as a typical class of two-dimensional (2D) materials has attracted wide attention because its various fascinating properties. this study, we fabricated MoS2 composite nanofibers by electrospinning technology combined with doping method. The as-prepared exhibited excellent biocompatibility. addition, the detailed investigation about response on bone marrow mesenchymal stem cells (BMSCs) indicated that obtained could promote BMSC growth behavior,...

Abstract A kind of mesoporous hybrid luminescence material was assembled through the ion exchange method between [Ln(DPA) 3 ] 3− and ionic liquid functionalized SBA-15. successfully anchored onto positive-charge modified SBA-15 by strong electrostatic interaction. In , Ln 3+ ions are in 9-fold coordination six oxygen atoms carboxyl groups three nitrogen pyridine units, leaving no site for water molecules. Therefore hybrids possess prominent luminescent properties, SBA-15-IMI-Tb(DPA)...

ZnO and ZnO:Zn powder phosphors were prepared by the polyol-method followed annealing in air reducing gas, respectively. The samples characterized X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), photoelectron spectra (XPS), paramagnetic resonance (EPR), photoluminescence (PL) cathodoluminescence (CL) spectra, results indicate that all are agreement with hexagonal structure of phase particle sizes range 1-2 microm. PL CL powders annealed at 950 degrees C consist...

Highly crystalline CaMoO4:Tb3+ phosphor layers were grown on monodisperse SiO2 particles through a simple sol−gel method, resulting in formation of core−shell structured SiO2@CaMoO4:Tb3+ submicrospheres. The fully characterized by powder X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), field emission scanning electron microscopy (FESEM), energy-dispersive spectra (EDS), transmission (TEM), photoluminescence (PL), low-voltage cathodoluminescence (CL), and kinetic...

Aminoclay was used as a scaffold for lanthanide complexes and dye molecules light harvesting applications.

Graphene-based nanofibers with superior electrical and mechanical properties have been developed for application in tissue engineering.

Graphene nanofibers have shown a promising potential across wide spectrum of areas, including biology, energy, and the environment. However, fabrication graphene remains challenging issue due to broad size distribution extremely poor solubility graphene. Herein, we report facile yet efficient approach for fabricating novel class polymer core-reduced oxide shell nanofiber mat (RGO–CSNFM) by direct heat-driven self-assembly sheets onto surface electrospun polymeric without any requirement...

Colon-targeted drug delivery system has attracted much interest because it can improve therapeutic efficacy and reduce the side effect in practical clinic. Herein, we constructed a multifunctional with colonic targeting tracking by up-conversion (UC) luminescence based on core-shell structured NaYF4:Yb(3+)/Er(3+)@SiO2@PMAA nanocomposite. The resultant materials exhibited bright UC luminescence, pH-responsive property excellent biocompatibility. release behaviors different pH environment were...

Multi-color luminescence of uniform CdWO₄:Eu³⁺nanorods can be realized only through altering the doping concentration Eu³⁺ions.

This review summarizes recent developments of diarylethene-based photochromic fluorescence switches constructed by non-covalent interactions, and the structural design principles diarylethenes fluorophores are discussed.

A multifunctional Cd-MOF as an excellent probe exhibits highly selective luminescent “turn on” detection of tetrahydrofuran and quantitative analysis water.

Ln(3+) (Ln = Tb, Eu) doped zinc phosphate tetrahydrate (ZPT:Ln(3+)) and ammonium (AZP:Ln(3+)) nano-/micro-structured materials were synthesized in aqueous solution without the addition of any structure-directing agent. The phase structures, morphologies luminescence properties as-synthesized samples investigated by X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive spectroscopy (EDX), transmission (TEM), photoluminescence (PL) lifetime. These investigations...

Two types of unique oxalate-connective lanthanide-substituted isopolyoxotungstates, Na10[Ln2(C2O4)(H2O)4(OH)W4O16]2·30H2O (1) and K4Na16[Ln(C2O4)W5O18]4·60H2O (2) (Ln = EuIII, HoIII, ErIII, or TbIII), have been synthesized under conventional aqueous solution conditions structurally characterized by elemental analyses, IR spectra, single-crystal X-ray diffraction, thermogravimetric analyses. It should be pointed out that the utilization different alkaline cations leads to formation two...