Nitrogen vacancy engineered graphitic C3N4-based polymers for photocatalytic oxidation of aromatic alcohols to aldehydes

Enhanced Photocatalytic Hydrogen Evolution of the Hydrogenated Deficient g‐C3N4 via Surface Hydrotreating

“…It is shown that the NaBH 4 treatment not only gives rise to the lack of lattice nitrogen and simultaneous breaks the s‐triazine heterocycles on the surface of g‐C 3 N 4 , but also brings about the generation of −C≡N groups. Similar results were reported previously in other literature …”

“…The PL intensity of BCN exhibits stronger than HDCN, which represents the higher electron‐hole recombination rate of BCN. Nevertheless, a strong fluorescence quenching phenomenon exists in HDCN, which indicates that the photogenerated carriers recombination is adequately inhibited through introducing the nitrogen vacancies and the −C≡N groups that act as strong electron‐withdrawing sites . As shown in Figure b, the photoluminescence decay kinetics of BCN and HDCN was also investigated by time‐resolved spectra.…”

Recyclable Perovskite as Heterogeneous Photocatalyst for Aminomethylation of Imidazo‐Fused Heterocycles

“…Additionally, the signal of H 2 was confirmed by gas chromatography, providing a strong evidence for the release of H 2 (for details see the Supporting Information). Furthermore, additional experiments using ammonium oxalate as hole scavenger [9b] or K 2 S 2 O 8 as electron scavenger [17] gave the product 3 a in lower yields, suggesting that both hole and electron played key roles in the photocatalytic process (for details see the Supporting Information). Based on the accumulated experimental evidences and previous literature reports, [18] a proposed mechanism for this photocatalytic transformation is outlined in Scheme 4.…”

Ultrathin Two‐Dimensional Semiconductors for Photocatalysis in Energy and Environment Applications

“…In addition to the above photocatalysis application, ultrathin 2D materials also made great strides in other photocatalysis field, such as photocatalytic organic synthesis, photocatalytic singlet oxygen generation ( 1 O 2 ). For example, recently 2D graphitic g‐C 3 N 4 were used for synthesizing organic functional groups conversion reactions (photocatalytic ketalization reaction) and selective oxidation of aromatic alcohols . Xie and coworkers used BP and oxidized graphitic carbon nitride as photosensitizers for the generation of 1 O 2 that further heighten its possibility in selective organic synthesis, waste‐water treatment, and photodynamic therapy .…”