Preparation of N-Graphdiyne Nanosheets at Liquid/Liquid Interface for Photocatalytic NADH Regeneration

Abstract

Two-dimensional (2D) N-graphdiyne (N-GDY) nanosheets containing different number of N were synthesized by polymerization of triazine, pyrazine, and pyridine-based monomers at liquid/liquid interface. The configurations and nanostructures of N-GDY were well-characterized. The wettability changed to more hydrophilic as the N contents increased. The collected N-GDY was further employed as metal-free photocatalyst for NADH regeneration. The catalytic performance was related with the N content in the graphdiyne. The N3-GDY demonstrated the best activity. This strategy provided a new promising platform of designing unique 2D N-GDY with tunable performance in biorelated catalysis.

Facile assembly of a graphitic carbon nitride film at an air/water interface for photoelectrochemical NADH regeneration

“…Furthermore, the CNS were employed for cofactor (NAD(P) + / NAD(P)H) regeneration, which is an important process for sustainable enzymatic synthesis. [34][35][36] Compared with the conventional electrochemical or enzymatic regeneration, the photocatalytic regeneration method is promising, using light as the only energy input. The CNS photocatalyst harvests incident visible light with an electronic transition between its HOMO and LUMO orbitals, then transfers the photogenerated electrons to reduce the rhodium complex M (M = [Cp*Rh(bpy)H 2 O] 2+ ; Cp* = pentamethylcyclopentadienyl, bpy = 2,2′-bipyridine) to M 1 , which further accepts a proton from water.…”

Graphdiyne: Recent Achievements in Photo‐ and Electrochemical Conversion

“…Pan et al synthesized NGD nanosheets containing different number of N via polymerization of triazine, pyrazine, and pyridine-based monomers at liquid/liquid interface. [75] The bottom-up synthetic strategy can also be used to obtain GD doped with other heteroatoms. For example, Wang et al synthesized boron-GD (BGD) and chlorine-substituted GD (Cl-GD) in the presence of 1,2,3-trichlorineborane and 1,3,5-trichlorinebenzene by Glaser-Hay coupling reaction.…”

Interfacial Synthesis of a Monolayered Fluorescent Two‐Dimensional Polymer through Dynamic Imine Chemistry

“…In this process, polymerization of monomers takes place directly at the interface of two phases and ends up with mono‐ or few‐ layered 2DPs. Several pioneering researches have been conducted by using different reactions such as Schiff base, [4+4] cycloaddition, and Glaser‐Hay coupling reaction . Among these reactions, dynamic imine chemistry at the air/water interface (Langmuir‐Blodgett method) has great potential for large‐scale production of highly crystalline 2D polymers due to its dynamic self‐healing process.…”

“…Several pioneering researches have been conducted by using different reactions such as Schiff base, [40,[43][44][45] [4 + 4] cycloaddition, [41,42,[46][47][48] and Glaser-Hay coupling reaction. [49][50][51] Among these reactions, dynamic imine chemistry at the air/water interface (Langmuir-Blodgett method) [40,44,52,53] has great potential for large-scale production of highly crystalline 2D polymers due to its dynamic self-healing process. In addition, with certain functional moieties embedded into the well-defined 2DPs, the resulting 2DPs materials can possess unique properties for specific application.…”