Themed collection Fluorescent and Luminescent Materials

In this review, comprehensive overview about solid-state fluorescent CDs is given, with especial emphasis on the strategies for quenching-resistance, the methods for high quantum efficiency, the methods for multicolor tuning and their application.

This review presents the recent progress on NIR fluorescent protein and bioluminescence-based probes with high-resolution in vivo imaging techniques.

We reviewed the synthetic strategies, structure and properties of C-dots, and summarized the recent progress of C-dots based luminescent solar concentrators.

Multi-channel adjustable CPL in chiral liquid crystals was investigated, where a well-organized structure distributed in double thin layers exhibits a high |g_lum| for the input signal to encrypt information transmission.

We report the use of L-tyrosine derived probes (H₂Tyr-4-nitro/H₂Tyr-3-nitro) for solvent mediated differential flip-flop sensing of fluoride and iodide and as reversible optical pH indicators.

The inorganic solvent Schweizer reagent was attached to the surface of cellulose, followed by an in situ chemical reaction performed directly on the solvent forming a stable and luminescent Cu(I) cluster-functionalized cellulose paper.

Aggregation-induced emission (AIE)-based fluorescent nanofibers (FNFs) and thin-coating films (FTFs) are employed as visual fluorescent sensors, and their performance dynamics is compared.

Through the introduction of Tb³⁺ and Eu³⁺ ions into YMO, the designed NTE microparticles can not only emit bright multicolor emissions but also exhibit promising applications in optical thermometry.

Two novel distinct multi-stimuli responsive mechanochromic luminescence (MCL) materials were prepared with an asymmetric D–A–D′ scaffold.

The structure of the germanate glasses was depolymerized by introducing different types of alkaline earth metal fluorides from MgF₂ to BaF₂, which resulted in different luminescence behaviours of Bi-related NIR centers.

Deep eutectic solvents as versatile green media for the synthesis of non-toxic photoluminescent tin oxide nanoparticles with potential applications demonstrated in cell imaging and as antioxidants.

Ag loaded metal tungstate-organic framework-based nanocomposite (g-C₃N₄/Ag/ZnWO₄), which generates greater number of oxygen defects plays crucial role in the selective detection of toxic metal ions in solution.

Four 1,5-naphthyridin-4-ol-containing platinum complexes, AtFOND, AtFNND, PBSOND, and PBSNND, have been synthesized and characterized for their photoluminescence (PL) and electroluminescence (EL) properties.

We develop a novel flexible method to construct a lanthanide dual-emitting ratiometric fluorescence nanoprobe with excellent luminescence properties and significantly selectivity for the detection of copper ions.

Single step, on-chip fabrication of 1D aligned Au functionalized heterojunction ZnO nanofibers via coaxial electrospinning with in situ photoreduction has been demonstrated.

Thermally enhanced UC emission is observed in Er³⁺/Yb³⁺-codoped Y₂Mo₃O₁₂ NTE microparticles and they are pormising candidates for optical thermometry.

Herein we report three novel luminescent metal–organic frameworks (MOFs) viz. [Co(bpeb)(hfipbb)_0.5]_n (LCo-1), [Zn(bpeb)₂(hfipbb)]_n (L-Zn) and [Co(bpeb)₂(oba)]_n (LCo-2) which were synthesized through the solvothermal method and characterized by SC-XRD.

The effect of flexible tetra-methylene vs. semi-rigid xylylene spacers appended in two quinoline tagged sensors bqbpbn (1) and bqbpxn (2) on the sensing of nitro-phenolic compounds and metal ions has been demonstrated.

Mn²⁺ occupies [Ca(N,O)₇] polyhedral site in Ca-α-SiAlON. The polyhedral site imposes stronger crystal field and nephelauxetic shift on Mn^{2+ 4}T₁ → ⁶A₁ transition, leading to an intense and broad deep-red emission.

We combined classical atomistic simulation and crystal field models to describe the origin of defects and their influence on luminescent properties of Eu-doped NaMgF₃ in the orthorhombic phase.

The ligand-to-metal charge transfer in gold nanoclusters gets influenced by the interacting lipid that regulates photoinduced electron transfer in the aqueous medium.

One “Hot exciton” channel is expanded into multiple channels through molecular design, which improves the efficiency of RISC.

Highly luminescent and stable two-dimensional tin-halide perovskites for LED lighting applications were achieved through alkylamine screening and zinc doping.

A Tb-doped Y-based MOF was constructed for simultaneous recognition of noxious anions HAsO₄²⁻, PO₄³⁻, MnO₄⁻, CrO₄²⁻ and Cr₂O₇²⁻ in water.

Pyridine appended structural isomers showed a planar or propeller conformation dependent molecular self-assembly, fluorescent polymorphs, stimuli-responsive fluorescence switching and halochromism.

When cyclic siloxanes were exposed to fluoride ions, a blue-shift and enhanced fluorescence emissions appeared in most organic solvents.

We report the efficient synthesis cationic P-doped Polycyclic Aromatic Hydrocarbons showing electrofluorochromic properties.

An uncomplicated, reliable, and ultrasensitive fluorescent carbon dots (CDs) co-doped with nitrogen and sulfur atoms based sensor has been fabricated for the recognition and trapping of toxic Hg²⁺ in buffered aqueous medium and real water samples.

A novel approach used to synthesize antimetabolite-conjugated and intense blue fluorescence-emitting smart polymeric nanoparticles is reported for the efficient delivery of anticancer drugs and self-monitoring their effect in drug-resistant metastatic breast cancer cells.

We report a new emitter 3,4,5-3TCz-TTT based on a tris(triazolo)triazine acceptor that shows thermally activated delayed fluorescence and cross-compare its performance with the recently reported analogue, 3DMAC-TTT.

Manipulating the high valence secondary P⁵⁺/V⁵⁺ ions in the external dopant-free Sc(P_x,V_1−x)O₄ (0.0 ≤ x ≤ 1.0) solid solution enables resulting in the spectral tuning, enhanced photoluminescence (PL) intensity, and improved thermally induced PL quenching stability.

A novel lysosome-targeted NIR fluorescent probe for fast detection and imaging Msr A was developed by extending the linear π-conjugated system of the probe via S_NAr^H reaction.

The CCT of phosphor-converted WLEDs achieved effective optimization by a co-doping and energy transfer strategy applied to the phosphors.

Precise optical temperature sensors based on luminescent Tb³⁺:Eu³⁺ tetrakis complexes with imidazolic counterions with high emission quantum yield values and low temperature uncertainty.

A dual-targeting (both cancer cell- and lysosome-targeting) fluorescence nanoprobe was rational designed and synthesized for the efficient imaging of lysosomal GSH in cancer cells.

Novel and highly thermally stable K₂Bi(PO₄)(MoO₄):Sm³⁺ phosphors were prepared and used to produce pcLEDs for horticulture and general lighting application.

Green fluorescent, pH dependent and water soluble copper nanoclusters (3–5 nm) were synthesized by stabilizing with lysozyme and these were demonstrated for imaging in both healthy and cancer cell lines as an alternate to green fluorescent protein.

The quadruple hydrogen bonding UPy units are designed to conjugate with unsubstituted PDI to exhibit bright red emission in aggregated state, together with temperature-dependent ratiometric fluorescence property in solution and hydrogels.

Photoluminescence and novel thermoluminscence studies of the NaGdF₄:Tb³⁺ phosphor.

Poly(dendrimer)s have a larger response compared to their corresponding monomers for the detection of trace quantities of nitro-based explosives.

Luminescent hybrid materials which contain fluorene and stilbene based fluorophores were coated onto cotton fabrics to design textile-based pH sensors.

In this study, for the first time, a novel near-infrared and ratiometric fluorescent probe was conveniently synthesized by reacting PDI-based salicylaldehyde with 2-(hydrazonomethyl)phenol.

Two types of two-step mechanochromic luminescence (MCL) as well as bicolor MCL have been achieved by changing the R substituent.

General applicability of the ultrafast scale-up synthesis of Ca–MOFs that are inexpensive, eco-friendly and practically useful, is demonstrated.

Solution-processable multilayer OLEDs were fabricated by employing the blue luminophores as dopants in the 4,4′-bis(9H-carbazol-9-yl)biphenyl (CBP) host and were found to exhibit bright deep blue electroluminescence with high efficiency.

Fluorescent sensors DJ-1 and DJ-2 with a large Stokes shift (SS) based on a combination of photo-induced electron transfer (PET) and Förster resonance energy transfer (FRET) for the detection of water in solvents have been developed.

A D–π–A strategy enhances aggregation-induced emission performance with a large Stokes shift over 200 nm.