Yichu He

Papers

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About

Yichu He is a rising researcher in optoelectronics and materials science, with a focus on self-powered photodetectors and perovskite-based heterojunctions. His most-cited work, "Self‐Powered Photodetector Based on Perovskite/Ge Heterojunction with High Responsivity" (2024, 10 citations), demonstrates a major contribution: the development of a novel, energy-efficient photodetector using single-crystal FAPbBr₃ perovskite on germanium. This device operates without an external power source, achieving high responsivity and paving the way for next-generation image sensing, biological detection, and robotics. By engineering the perovskite/Ge interface, He addresses key challenges in self-powered systems, offering a scalable path toward low-energy, high-performance optoelectronics. His work has quickly garnered attention, with citations reflecting its immediate impact in the field. He’s also recognized for advancing perovskite crystal growth techniques, enabling superior material quality and device stability. For students and researchers, He’s research exemplifies how innovative heterojunction design can merge sustainability with cutting-edge performance—a promising direction for future energy-autonomous technologies.