Work

Synergistic engineering of C3N4 Nanosheets via thermal etching and hydrothermal pretreatment for superior photocatalytic hydrogen production and pollutant removal

Year: 2025

Type: article

Abstract: This study presents a hydrothermal-thermal etching strategy to synthesize layered C₃N₄ nanosheets , to address the structure collapse limits of conventional calcination . The synergistic method retains the layered architecture while boosting surface area (136.5 m 2 ·g −1 ) and porosity. Optimized C₃N₄(H)-6 h nanosheets demonstrate a 5-fold enhanced hydrogen evolution rate (450 μmol·h −1 ·g −1 ) and 97.6 % methylene blue degradation under visible light, outperforming bulk C₃N₄. Superior performance stems from improved charge separation, extended carrier lifetime, and enriched active sites. This scalable approach advances high-efficiency, solar-driven photocatalysts for sustainable energy conversion and environmental remediation.

Source: Chemical Physics Letters

DOI: 10.1016/j.cplett.2025.142100

Authors: Zhijian Hu, Huaxin Liu, Jianyong Liu, Songqiu Yang, Hongming Yin

Institutions: Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian Maritime University, State Key Laboratory of Molecular Reaction Dynamics

Language: English

Topic: Advanced Photocatalysis Techniques

Subfield: Renewable Energy, Sustainability and the Environment

Field: Energy

Domain: Physical Sciences

SDG: Affordable and clean energy

Open Access status: hybrid

Estimated APC paid: $3,270