DataVXSmallPaper
journal article·2024-07

Creation of Interfacial S4–Sn–N2 Electron Pathways for Efficient Light‐Driven Hydrogen Evolution

Yihang Yin, Peng Xiang, Yujie Zhou, Huiyuan Meng, Xudong Xiao, Yugui Shao, Xinxin Zhang, Jing Zhou, Qi Li, Chuanyu Guo, Xuena Ma, Luoming Zhang, Liping Zhang, Qun Zhang, Baojiang Jiang

Small· Volume 20· Issue 29
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Source abstract

Abstract

Abstract Establishing effective charge transfer channels between two semiconductors is key to improving photocatalytic activity. However, controlling hetero‐structures in situ and designing binding modes pose significant challenges. Herein, hydrolytic SnCl2·2H2O is selected as the metal source and loaded in situ onto a layered carbon nitriden supramolecular precursor. A composite photocatalyst, S4–Sn–N2, with electron pathways of SnS2 and tubular carbon nitriden (TCN) is prepared through pyrolysis and vulcanization processes. The contact interface of SnS2–TCN is increased significantly, promoting the formation of S4–Sn–N2 micro‐structure in a Z‐scheme charge transfer channel. This structure accelerates the separation and transport of photogenerated carriers, maintains the stronger redox ability, and improves the stability of SnS2 in this series of heterojunctions. Therefore, the catalyst demonstrated exceptional photocatalytic hydrogen production efficiency, achieving a reaction rate of 86.4 µmol h−1, which is 3.15 times greater than that of bare TCN.
Source: crossref · Quality: baseline

Research context

Electronic materialsCompositesCatalysis & surfaces

OpenAlex topics: Advanced Photocatalysis Techniques · Ammonia Synthesis and Nitrogen Reduction · Electrocatalysts for Energy Conversion

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Key Laboratory of Functional Inorganic Material Chemistry Ministry of Education of the People's Republic of China School of Chemistry and Materials Science Heilongjiang University Harbin 150080 China

Hefei National Research Center for Physical Sciences at the Microscale Department of Chemical Physics University of Science and Technology of China Hefei Anhui 230026 China

School of Safety Engineering Heilongjiang University of Science and Technology Harbin Heilongjiang China

Zhejiang Institute of Photoelectronics & Zhejiang Institute for Advanced Light Source Zhejiang Normal University Jinhua Zhejiang 321004 China

Faculty of Materials Science Shenzhen MSU‐BIT University Shenzhen 518172 China

Hefei National Laboratory University of Science and Technology of China Hefei Anhui 230088 China

Funding

National Natural Science Foundation of China · Natural Science Foundation of Heilongjiang Province · National Key Research and Development Program of China · National Science Fund for Distinguished Young Scholars

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