Atomic and electronic structures of graphene-decorated graphitic carbon nitride (g-C3N4) as a metal-free photocatalyst under visible-light

Molten-Salt Synthesis of Triazine-Based Carbon Nitride and Its Photocatalytic Degradation Mechanism Investigation by In Situ NMR

“…With a deep understanding of the photocatalytic mechanism of the catalysts, new methods and strategies can be developed to further improve the performance of g-C 3 N 4 photocatalysts. A series of methodologies for mechanism studies, such as scanning tunneling microscopy, − time-resolved two-photon photoemission, temperature-programmed desorption, − infrared spectroscopy, − solid-state nuclear magnetic resonance − and density functional theory calculations (DFT) , have been employed to address the central questions in the photocatalytic mechanism. However, the majority of these methods usually operate under ideal conditions (solid–gas or ultrahigh vacuum), and it is still challenging to consider the complexities of practical conditions such as solvent effect and surface specificity.…”

In situ quantitative single-molecule study of site-specific photocatalytic activity and dynamics on ultrathin g-C3N4 nanosheets

“…Until now, numerous efforts have been devoted to investigating the physicochemical properties and photocatalytic performance of g-C 3 N 4 . For example, high-angle annular dark-field scanning transmission electron microscopy (HAADF-STEM) 3,4 and scanning tunnelling spectroscopy (STS) 5,6 were used to characterize the structural features and electronic properties of g-C 3 N 4 down to atomic resolution, respectively. However, a direct visualization of single-turnover events on g-C 3 N 4 and a fundamental understanding of catalytic activities and dynamics at the individual sites of g-C 3 N 4 are still missing.…”

Multifunctional Layered Double Hydroxides for Drug Delivery and Imaging

“…Numerous two-dimensional (2D) nanomaterials, including layered double hydroxides (LDHs) [ 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 ], silicate clays (montmorillonite, mica) [ 11 , 12 , 13 , 14 ], graphitic carbon nitride (g-C 3 N 4 ) [ 15 , 16 ], and graphene [ 16 , 17 ], exhibit a size lower than 100 nm, with highly anisotropic and planar architecture [ 18 , 19 , 20 ]. In the last several decades, their utility in various fields, such as drug delivery [ 1 , 2 , 5 , 11 , 12 , 13 ], imaging [ 6 , 7 , 8 ], catalysis [ 4 , 15 ], and sensing [ 9 , 10 ], has been investigated.…”