Confining perovskite quantum dots in the pores of a covalent-organic framework: quantum confinement- and passivation-enhanced light-harvesting and photocatalysis

Abstract

All-inorganic lead halide perovskites have attracted significant attention in artificial light-harvesting systems (ALHSs) due to their superior emission tunability and high light-absorption coefficients. However, their relatively low photoluminescence quantum yield...

In Situ Synthesis of Lead-Free Halide Perovskite–COF Nanocomposites as Photocatalysts for Photoinduced Polymerization in Both Organic and Aqueous Phases

“…In particular, organic polymers encapsulated perovskite nanocomposites have shown to have advantages such as easy processability and well-controlled dispersion of PNCs for applications in light-emitting diodes and bioimaging . However, the photocatalytic performance of the polymer–PNCs for organic transformations and polymerization has not been fully investigated. , Additionally, most of the developed polymer shells suffer from the low porosity, which might reduce the permeability of reactive molecules to the PNCs’ core and therefore possibly hinder the photoinduced charge transfer . Thus, to enhance the stability of PNCs and unravel their potential as PCs, there is a need to develop stable and highly porous polymers as the encapsulation layer.…”

Metalated covalent organic frameworks: from synthetic strategies to diverse applications

“…The same year, Wang and co-workers reported perovskite quantum dots doped in COF-SH for facilitating light-harvesting and promoting light-converting applications. 374 In addition, COF-supported transition metal carbonate, sulfide and phosphate nanoparticles have also been synthesized recently. In 2020, Dong and co-workers demonstrated that CaCO 3 nanoparticles can also be embedded in nanoscale TPB-DMTP-COF through the sequential treatment of CaCl 2 and NH 4 HCO 3 , with a CaCO 3 content of up to 35.3 wt%.…”

“…The same year, Wang and co-workers reported perovskite quantum dots doped in COF-SH for facilitating light-harvesting and promoting light-converting applications. 374…”

Heteroleptic metallosupramolecular aggregates/complexation for supramolecular catalysis

“…Significant attention has been centered to construct artificial LHSs via FRET (fluorescence resonance energy transfer) that include organic materials and supramolecular assemblies. Recently, FRET phenomena have been successfully demonstrated in supramolecular architectures based on metal organic frameworks and covalent organic frameworks [ 62 – 64 ]. However, poor solubility of such polymeric systems in common solvents restricts their use in potential applications.…”