From April 9 to 13, 2025, the 50th Geneva International Exhibition of Inventions was held in Geneva, Switzerland. Nanjing University earned 15 awards, including four Gold Medals with Congratulations of the Jury, four Gold Medals, four Silver Medals, one Bronze Medal, and two Special Grand Prizes.

The Gold Medals with Congratulations of the Jury went to: "Efficient Reductive Destruction of Perfluoroalkyl Substances (PFAS) Induced by the Self-Assembled Micelle" by the team of Gu Cheng and Chen Zhanghao from the School of Environment, "Perovskite-Perovskite Tandem Solar Modules" by Tan Hairen and Xiao Ke from the School of Engineering and Applied Sciences, "Direct Optical Lithography of Functional Inorganic Materials" by Wang Yuanyuan's team from the School of Chemistry and Chemical Engineering, and "Green Manufacturing and Functional Applications of Biosurfactants Based on Synthetic Microorganisms" by Ren Xinkun's team from the School of Engineering and Applied Sciences.

The Gold Medals went to: "A Cost-Effective, High-Energy, and Long-Life Sodium-Ion Battery" by the team of Zhou Haoshen, Guo Shaohua, and Xu Sheng from the School of Engineering and Applied Sciences, "Solar Transpiration–Powered Lithium Extraction and Storage Device" by the team of Zhu Jia and Song Yan from the School of Sustainable Energy and Resources, "Enhanced Nitrogen Removal Process from Wastewater with Low Carbon/Nitrogen by Utilizing Micromagnetic Carriers" by Xu Ke from the School of Environment, and "Miniaturized Photonics Microwave Source" developed by Jia Kunpeng, Xie Zhenda, and Zhu Shining from the School of Electronic Science and Engineering and the School of Physics.

The Silver Medals went to: "Poly (Carbazole Phosphonic Acid) Hole-Transporting Materials for High-Performance Perovskite Solar Modules" by Chen Shangshang's team from the School of Chemistry and Chemical Engineering, "Label-Free Optical Electrophysiology Imager" by the team of Kang Bin, Xu Jingjuan, and Chen Hongyuan from the School of Chemistry and Chemical Engineering, "Wastewater Treatment Technology Integrating Residual Sludge Utilization and Efficient Functional Microbial Maintenance" by Ye Lin's team from the School of Environment, and "Transparent Matte Glass" by Lai Yun’s team from the School of Physics.

Founded in 1973, the Geneva International Exhibition of Inventions is one of the world's oldest and largest innovation fairs, co-organized by the World Intellectual Property Organization and the Swiss Federal Council to spotlight breakthrough technologies from around the globe. Since 2018, NJU has consistently taken part in the exhibition, earning awards each time for its outstanding innovations.

Writer: Wang Shuyi

Editor: Zhang Ruoxi, Chao Yijia