Graphitic carbon nitrate (g‐C3N4) is considered as promising metal‐free photocatalyst. However, the applications of pristine g‐C3N4 are subjected to the high recombination of...

·Structurally modulating g-C 3 N 4 for visible-light degradation of small organic pollutants. ·This study combines calculations and relationships to predict a catalyst. ·DFT calculations reveal that electron-holes in the modified CN-8 are effectively separated.

2018年1月30日 · In this work, two representative precursors (thiourea and urea) were utilized to prepare g-C 3 N 4 with different microstructures under the same thermal treatment conditions. The photocatalytic NO oxidation process was carried out by in situ FT-IR to investigate the dynamic changes of the reaction intermediates and the final products.

2017年12月15日 · Herein, we report the design and preparation of C 3 N 4 nanosheets on carbon-fiber (CF) cloth as filter-membrane-shaped photocatalyst. The growth of C3 N 4 nanosheets has been realized by using a dip-coating and thermal condensation method with carbon-fiber cloth as the substrate.

Graphitic carbon nitride (g-C3N4) with unique physicochemical properties proves to be a promising photocatalytic material. Visible light active g-C3N4 nanosheets were successfully synthesized...

g-C3N4是一种典型的聚合物半导体，其结构中的CN原子以sp2杂化形成高度离域的π共轭体系。 其中Npz轨道组成g-C3N4的最高占据分子轨道（HOMO），Cpz轨道组成最低未占据分子轨道（LUMO），禁带宽度~2.7 eV，可以吸收太阳光谱中波长小于475的蓝紫光。

本文主要关注gC 3 N 4的结构、性能和光催化活性方面的官能团修饰，并从分子水平解释其反应机理。 二、gC 3 N 4中引入官能团的应用最新进展进行了介绍并给出了例子。 最后提出了面临的困难和挑战，并在此基础上对未来研究发展方向进行了展望。 In recent years, photocatalysis has received increasing attention in alleviating energy scarcity and environmental treatment, and graphite carbon nitride (g-C) is used as an ideal photocatalyst.

20 小时之前 · High-concentration single-atom doping remains a formidable challenge due to the propensity for single atoms to form clusters or aggregate at elevated concentrations. Herein, high-concentration (10.8 wt%) Zn single-atom-doped porous tubular g-C3N4 (ZCN) was successfully obtained via a template-free, one-step calcination method, exhibiting excellent photocatalytic performance. The confinement of ...

2024年12月9日 · 本文总结的金属团簇改善g-c3n4有效调控策略：ii型异质结、z型异质结、s型异质结、元素掺杂和缺陷工程。构建异质结通过将g-c3n4与具有不同能带结构的半导体材料结合，有效促进了光生载流子的分离和转移，从而提高了光催化反应的效率。

石墨氮化碳（g-C3N4）具有带隙可调、比表面积大、活性位点丰富、表面易改性等优异的理化性能。 纳米结构g-C3N4在环境光催化降解与能量转换、电化学能量转换与存储等方面具有广阔的应用前景，目前的应用领域包括 光催化、电催化、电池和超级电容器 等。