Tunable luminescence and white light emission of mixed lanthanide–organic frameworks based on polycarboxylate ligands

Abstract

This review highlights the luminescence tuning and white light emission of aromatic polycarboxylate-based mixed Ln-MOFs by changing the relative concentration of the constituent Ln3+ ions or the excitation wavelength.

Mixed Tb/Dy coordination ladders based on tetra(carboxymethyl)thiacalix[4]arene: a new avenue towards luminescent molecular nanomagnets

“…Concerning the luminescence properties 7 of CPs, special attention has been devoted to lanthanide-based CPs, [16][17][18] owing to their outstanding photoluminescence originating from the triplet excited states of f-f transitions. Lanthanide-based CPs may nd applications in luminescence sensing, light emission together with photonics, [19][20][21] and as ligands presenting a strong antenna effect, 22 allowing energy transfer from an organic ligand to the metal. The use of macrocyclic ligands for the formation of such assemblies has been documented; 23 however, most of the reports are mainly related to porphyrin-based lanthanide CPs.…”

A Family of Lanthanoid Dimers with Nitroanilato Bridges

“…Tailoring the rare earth environment by chemical synthesis is a key issue to overcome the problem of low absorption. This is the so-called antenna effect (or sensitization) [37][38][39]. The strategy consists of taking advantage of the intense absorption bands of organic chromophores to increase the carrier injection into the lanthanoid ion by intramolecular energy transfer.…”

Functionalization of Metal–Organic Frameworks for Photoactive Materials

“…The collaborative properties of the multiple luminescent centers in MOFs are particularly useful for developing multi‐color and white‐light‐emitting materials. Common approaches to realize white‐light integration in MOFs include: (a) monochromatic emitters covering the entire visible spectrum, (b) dichromatic emitters blending blue and yellow or orange light, and (c) trichromatic emitters combining three primary color (red, green, and blue) components . In addition, the emission colors of luminescent MOFs can be readily regulated and integrated by modulating both chemical factors (such as the Ln 3+ type and concentration) and physical parameters, such as the excitation wavelength.…”

“…In addition, the emission colors of luminescent MOFs can be readily regulated and integrated by modulating both chemical factors (such as the Ln 3+ type and concentration) and physical parameters, such as the excitation wavelength. Thus far, tremendous efforts have been dedicated to the synthesis of MOFs with tunable luminescence or white light . Ln‐based, luminescent MOFs are the most well‐covered MOFs with tunable luminescence properties in the literature.…”