Kaijin Xu
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About
Kaijin Xu is a materials scientist whose pioneering work focuses on the surface chemistry of liquid metals, particularly their atomic-level modification and optical property tuning. In their most-cited study, "Surface atomic-level halogenation and fluorescent color regulation of liquid metals at ambient conditions" (2025), Xu introduced a groundbreaking method to halogenate liquid metal surfaces at room temperature, enabling precise control over their fluorescent emission. This work, which has already garnered early citations, demonstrates a novel pathway for engineering functional liquid metal interfaces without high-energy processing. By achieving tunable color regulation through surface chemistry, Xu’s research opens new avenues for applications in flexible electronics, responsive coatings, and optoelectronic devices. Their contributions are particularly notable for combining fundamental surface science with practical, ambient-condition synthesis—a significant step toward scalable, low-cost manufacturing of advanced materials. As an emerging leader in the field, Xu’s work is poised to influence how researchers design and manipulate the surface properties of soft metals, with potential impacts spanning from smart displays to chemical sensors.
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