Citation: Jing Wang, Runlin Xia, Yuxuan Zhou, Yuping Liu. Research on electrochemical in situ Raman spectroscopy for nitrate reduction to ammonia: a recommended advanced instrument analysis innovative experiment[J]. University Chemistry, ;2026, 41(6): 221-229. doi: 10.12461/PKU.DXHX202506079 shu

Research on electrochemical in situ Raman spectroscopy for nitrate reduction to ammonia: a recommended advanced instrument analysis innovative experiment

1.
National Demonstration Center for Experimental Chemistry Education, Nankai University, Tianjin 300071, China;
2.
Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), College of Chemistry, Nankai University, Tianjin 300071, China

Corresponding author: Yuping Liu, liuypnk@nankai.edu.cn
Received Date: 18 June 2025
Revised Date: 9 October 2025

Aligned with the “101 Plan” teaching reform objectives for chemical measurement experiments, an innovative instrumental analysis experiment utilizing electrochemical in situRaman spectroscopy was designed and developed. Based on the green ammonia synthesis from electrocatalytic nitrate reduction, this study aims to track the real-time dynamic evolution of active sites and key intermediates on the catalyst surface through the advanced in situ Raman spectroscopy technology, to accurately identify the true catalytic active sites and infer the possible reaction pathways. This experiment has established a comprehensive experimental teaching system that integrates “reaction-characterization-mechanism”, focusing on helping students master knowledge, enhance abilities, and cultivate comprehensive qualities. This experiment fully demonstrates frontier science’s reliance and need for advanced characterization techniques, filling the gap in the interdisciplinary course of “in situ characterization-electrocatalytic reaction”. It can serve as a typical example of experimental teaching reform in new engineering disciplines under the “double helix of scientific research and teaching” model.
- In situ Raman spectroscopy,
- Electrocatalysis,
- Nitrate reduction reaction,
- Ammonia synthesis,
- Innovative experimental teaching
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沈阳化工大学材料科学与工程学院沈阳 110142