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About

Heng‐Jui Liu is a leading researcher in flexible electronics and energy harvesting, with a focus on van der Waals heteroepitaxy and triboelectric nanogenerators. His seminal 2017 work introduced a breakthrough technology for nonvolatile flexible electronic devices by demonstrating the direct fabrication of single-crystalline lead zirconium titanate (PZT) films on flexible mica substrates via van der Waals epitaxy. This approach preserved the ferroelectric properties of PZT while enabling mechanical flexibility, reliability, and durability—a critical advance for wearable and bendable electronics. The paper has garnered 238 citations, underscoring its influence in the field. More recently, Liu has pioneered sustainable energy solutions, as seen in his 2020 study on triboelectric nanogenerators fabricated from recycled coffee waste. This work achieved deformable, resilient, and mechanically durable devices for wearable power and self-powered smart sensors, earning 98 citations. By merging materials science with environmental sustainability, Liu’s contributions are shaping the future of flexible, eco-friendly electronics and autonomous sensing systems.