Graphitic carbon nitride (g-C 3 N 4) is a family of carbon nitride compounds with a general formula near to C 3 N 4 (albeit typically with non-zero amounts of hydrogen) and two major substructures based on heptazine and poly(triazine imide) units which, depending on reaction conditions, exhibit different degrees of condensation, properties and ...

2024年8月14日 · Graphitic carbon nitride (g-C3N4)-based photocatalysts have garnered significant interest as a promising photocatalyst for hydrogen generation under visible light, to address energy and environmental challenges owing to their favorable electronic structure, affordability, and stability.

2022年1月17日 · Graphitic carbon nitride (g-C 3 N 4) is a polymeric, visible-light-active photocatalyst with a bandgap of ~2.7 eV (~460 nm), that was introduced since 2006 [1]. g-C 3 N 4 has become an important material in chemistry, physics and engineering because of its facile, low-cost, environmentally-friendly preparation methods with promising stability an...

2025年1月7日 · This critical review was focused on fabricating and modifying the morphologies of g-C3N4 semiconductors to improve photocatalytic efficiency. Finally, we reviewed several applications of the modified g-C3N4 semiconductor for …

2024年8月15日 · Graphitic carbon nitride (g-C3N4)-based materials have emerged as promising photocatalysts due to their unique band structure, excellent stability, and environmental friendliness. This review provides a comprehensive and in-depth analysis of the current state of research on g-C3N4-based photocatalysts.

6 天之前 · Graphitic carbon nitride (g-C3N4) was synthesized by a hydrothermal-calcination method with melamine and urea were used as raw materials without using hard and soft templates as well as organic solvents, which include the concept of easy, green, and economical synthesis. In this article, by adjusting the synthesis conditions, supramolecules and g-C3N4 …

2025年2月20日 · Metal-free photocatalysts, especially through the use of semi-conductors g-C3N4 (graphitic carbon nitride, CN) have become a prominent topic due to their sustainable advantages and promising effectiveness in hydrogen (H2) production.

2 天之前 · CuSn/g-C3N4 has the best activity for ethylene generation, and the energy-determining step is *CHO-*CO → *CHOH-*CO, with a ΔGL of 0.68 eV. The adsorption free energies of key species such as *CO2 and *CO-*CO2 were identified as good descriptors to correlate the activity of CuM/g-C3N4 catalysts for CO2 reduction to ethanol.

4 天之前 · The use of solar energy to convert CO2 into value-added chemicals is a promising sustainable development strategy. In this study, a black graphitic carbon nitride (CN-B) photocatalyst was fabricated through a single-step calcination process, employing phloxine B and urea as the precursor materials. The catalysts were characterized using TEM, XRD, FTIR, …

The layered two-dimensional (2D) graphitic carbon nitride (g-C3N4) is a structural analogue of graphene and received great interest in the field of electrochemical energy storage.