Interfacially synthesized 2D COF thin film photocatalyst: efficient photocatalyst for solar formic acid production from CO₂ and fine chemical synthesis

Abstract

The targeted synthesis of an efficient, visible light active, recyclable, freestanding covalent organic framework thin film photocatalyst for multi-facet photocatalysis is the essence of the proposed work. A simple, scalable,...

Ultralarge Free‐Standing Imine‐Based Covalent Organic Framework Membranes Fabricated via Compression

“…[ 16 ] For the fabrication of free‐standing COF‐membranes, a widely explored method is interfacial polymerization. This fabrication method occurs at the interface of liquid/liquid [ 17 ] or liquid/gas. [ 18 ] However, it is limited to laboratory scale because it is a tedious procedure that requires slow monomer diffusion between two phases, leading to crystalline polymerization.…”

Roles of Graphene Oxide in Heterogeneous Photocatalysis

“…Solar-to-chemical energy conversion through photocatalytic technology has attracted wide attention because it offers a promising solution to the energy crisis and environmental pollution issues. − Up to now, various semiconductor-based photocatalysts have been synthesized and applied for different reactions, including H 2 evolution from water splitting, CO 2 reduction to value-added chemicals, atmospheric ammonia synthesis, pollutant elimination, and organic synthesis. − Nevertheless, one of the crucial problems limiting the application of semiconductor-based photocatalysts is that photogenerated charge carriers in the excited state are unstable and easily recombined, which leads to a relatively inferior performance of semiconductor photocatalysts. − Therefore, enhancing the separation and migration of photoinduced electron–hole pairs is a significant and challenging theme to boost the performance of semiconductor-based photocatalysts for target reactions. − …”

Donor–acceptor covalent organic framework hollow submicrospheres with a hierarchical pore structure for visible-light-driven H2 evolution

“…10 2D COFs as a kind of emerging photocatalyst have the advantages of a broad light-response range and a tunable band gap. 23 The photogenerated electron–hole of COFs could trigger a battery of reactions such as reduction of H + , 24 oxidation of H 2 O, 25 reduction of CO 2 , 26 and degradation of toxic substances. 27 However, the high photogenerated carrier recombination rate in COF materials limits their application in photocatalysis.…”