Xiamen University student Li Gen and six classmates teamed up to take part in the 12th "Challenge Cup" National College Students Extracurricular Academic and Scientific Works Competition with his unexpectedly discovered "new fluorescent Ag-S cluster compound" project. "New fluorescent Ag-S cluster compound" is a sulfur-silver cluster compound that has never been reported in the world and will "glow".

Why is it accidental? Because Li Gen discovered the "new fluorescent Ag-S cluster compound", it was due to a beautiful mistake. In the summer of last year, in the laboratory of Professor Wang Quanming ’s research group at Xiamen University ’s School of Chemistry and Chemical Engineering, Li Gen accidentally added the wrong reagent when doing a cluster experiment. "Luminescent" sulfur-silver clusters.

Wang Quanming said that the greatest significance of this discovery is that it has opened a window for scientists to study the world-"inspire" more scientists to study this new substance, so as to make better use of its fluorescence and stability Unique characteristics such as sex. The fluorescence of substances is generally considered to be used in fluorescent molecular probes, substance labels, light-emitting device dyes, additives, etc., and has broad application prospects.

In December last year, the discovery was published in the form of a paper in one of the top academic journals in the chemical industry, the Journal of the American Chemical Society, with Li Gen as the first author. After the publication of the paper, it caused quite a stir in the academic world. In addition to discovering the scientific significance of itself, what attracts people's attention is the identity of Li Gen-a sophomore undergraduate. Many people want to know how can a 20-year-old "Mao Toutou" who has just entered university soon make research results related to "the world's first"?

Li Gen said that this is mainly due to his earlier exposure to scientific research and systematic training under the guidance of his teachers. As early as in high school, he participated in the national high school student chemistry competition known as the "National Games" of Chinese high school student chemistry. Eventually, he was admitted to Xiamen University with the provincial first prize. During the summer vacation of freshman year, when other students were still learning theoretical knowledge, he was fortunate to enter Professor Wang Quanming ’s laboratory, followed by teachers Wang and his brothers and sisters to systematically study the functional clusters, in the laboratory Contact science.

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