碳布上的管状 g-C3N4 经氧化镍修饰，可高效降解罗丹明 B

IF 2.6 3区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

CrystEngComm Pub Date : 2024-09-27 DOI:10.1039/D4CE00342J

Menghan Yang, Xuefei Li, Rui Zhao, Yue Wang, Na Liu, Yan Liu and Jinghai Yang

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引用次数: 0

摘要

报告了一种在碳布（CC）上构建管状氮化石墨碳（g-C3N4）/氧化镍（NiO）异质结的新型光催化剂。以氧化锌纳米棒为牺牲模板，通过热凝结法在碳布上生长出厚度为 20 纳米的管状 g-C3N4 纳米片。然后，通过电沉积和煅烧在 g-C3N4 管上生长出氧化镍纳米片。在可见光下，g-C3N4/NiO/CC 和 g-C3N4/CC 光催化剂在 60 分钟内对罗丹明 B（RhB）的去除率分别为 98% 和 32%。实验重复了五次，我们发现光催化剂的活性没有明显下降。CC 支持的光催化剂在降解有机染料方面具有广阔的应用前景。

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NiO modified tubular g-C3N4 on carbon cloth for efficient degradation of rhodamine B

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NiO modified tubular g-C3N4 on carbon cloth for efficient degradation of rhodamine B

A novel photocatalyst for the construction of tubular graphitic carbon nitride (g-C₃N₄)/nickel oxide (NiO) heterojunction on carbon cloth (CC) is reported. Using ZnO nanorods as sacrificial template, tubular g-C₃N₄ nanosheets with thickness of 20 nm were grown on carbon cloth by thermal condensation. Then, NiO nanosheets were grown on g-C₃N₄ tubes by electrodeposition and calcination. In the light of visible light, the removal rates of rhodamine B (RhB) by g-C₃N₄/NiO/CC and g-C₃N₄/CC photocatalysts were 98% and 32%, respectively, within 60 min. The experiment was repeated five times, we found no significant decrease in photocatalyst activity. CC supported photocatalysts have broad application prospects in the degradation of organic dyes.