Dual-channels separated mechanism of photo-generated charges over semiconductor photocatalyst for hydrogen evolution: Interfacial charge transfer and transport dynamics insight

Green Synthesis Strategy of Template-Free S-Doped g-C3N4 with Cystine for Efficient Photocatalytic Degradation of RhB

“…Compared with BCN, the diffraction peaks of the (002) crystal phase in the cystine-doped samples slightly shift from 27.3° to 27.5° with obviously weakened intensities, attributed to the reduced layer distance after S modification . The decrease can be ascribed to the strong interactions between the π–π stacked aromatic layers in GCN-3%, which has been proved benign to promote the electron transfer . The decreased crystallinity further indicates variation in the periodicity of the long-range atomic order mode in the heptazine heterocycle (C 6 N 7 ) caused by the small size influence of nanomaterials.…”

Preparation of Ag3PO4tetrapods anchored to nitrogen-doped carbon quantum dots for enhanced photocatalytic performance

“…Yuan et al proposed a dual-channel separated mechanism and prepared g-C 3 N 4 modified by sulfur doping and carbon dot sensitization, accelerating volume phase separation and surface separation of the photo-generated electron-hole pairs. 6 In many narrow-bandgap semiconductors, silver phosphate (Ag 3 PO 4 ) has a highly dispersed conduction band and good electrostatic induction, which can accelerate the separation of photo-generated carriers, thus exhibiting unparalleled high quantum efficiency. [7][8][9] In recent years, researchers have demonstrated that Ag 3 PO 4 exposed with different active facets has significantly different photocatalytic properties.…”

One-pot hydrothermal synthesis of a carbon quantum dot/CaFe2O4 hybrid nanocomposite for carcinogenic Congo red dye degradation

“… 20 The above problem has been altered for clarity by constructing a heterojunction between the separated electrons and holes. 21 …”

“…20 The above problem has been altered for clarity by constructing a heterojunction between the separated electrons and holes. 21 One of the demands for mankind is the development of materials that effectively illuminate organic dyes for a sustainable environment. 22 Oxide-based metal photocatalysts have been developed by scientists, and they are xed on spinal ferrites because of their high stability, enriched visible light conservation, reasonable bandgaps (approximately 1.75 eV), magnetic properties, and controllable optical properties by replacing Fe 2+ with extra divalent ions.…”