2024年10月25日 · Here we show a B-doped g-C3N4 (BCN) tailored with coordinatively unsaturated FeOOH and CoOx clusters for H2O2 photosynthesis from water and oxygen without sacrificial agents.

2020年11月24日 · Photocatalytic production of H 2 O 2 from the reduction of O 2 by semiconductor photocatalysts (e.g., graphitic carbon nitride, C 3 N 4) has been regarded as an alternative for small-scale decentralized H 2 O 2 production.

2024年6月3日 · Artificial photosynthesis using carbon nitride (g-C3N4) holds a great promise for sustainable and cost-effective H2O2 production, but the high carrier recombination rate impedes its efficiency.

2017年8月1日 · Here we report on a new basis for clean energy storage, generating H 2 O 2 from H 2 O and O 2 by organic photocatalysis. In this study, we construct an all-solid-state Z-scheme heterojunction (PIx -NCN) by assembling perylene imides (PI) on g-C 3 N 4 nanosheets (NCN), where x is a percentage weight ratio of PI to NCN.

2016年8月5日 · Photocatalytic H 2 O 2 production at g-C 3 N 4 could be improved by as much as 14 times in the absence of organic scavenger through a carbon vacancy-based strategy. Carbon vacancy could narrow the band gap of g-C 3 N 4 to enhance its visible light absorption.

Results revealed that carbon nitride catalysts can activate H 2 O 2 to generate reactive oxy-radicals under visible light irradiation without employment of any metal additives, leading to the mineralization of the dye. Factors affecting the degradation of organic compounds are pH values and the concentration of H 2 O 2.

2021年9月15日 · ZnO/g-C 3 N 4 exhibits superior efficiency in H 2 O 2 production under simulated sunlight. A photocatalytic sterilization process for natural water bodies using H 2 O 2 generated in situ is established. This process has a good inactivation effect on …

在本文中，作者成功将 -C≡N基团 与 N空位 相继引入至g-C3N4中 (Nv-C≡N-CN)，并将其用于光催化制备高附加值和多功能的 H2O2，以系统地分析双缺陷位点对整个光催化转化过程的影响。 研究发现双缺陷位点修饰可以形成富电子结构，并导致更局域化的 电荷密度分布，这不仅可以增强光吸收和载流子分离能力，而且可以显著提高H2O2生成的选择性和活性。 更重要的是，通过详细的实验表征和理论计算可以清楚地揭示出每个缺陷位点在光催化H2O2表面反应机理中的关键作 …

2022年5月9日 · Rotating disk electrode (RDE) measurements and electron spin resonance (ESR) spectroscopy verify that H 2 O 2 is produced by a two-step one-electron process. This work highlights a promising method to construct high-performance S-scheme heterojunction photocatalysts through the hybridization of PDA and C 3 N 4.

2022年10月28日 · Herein, we demonstrated a state-of-the-art photocatalytic method for H 2 O 2 production using an optimal tubular graphic carbon nitride (TCN)/ZnIn 2 S 4 (ZIS) heterojunction.