Research

Integrated Photovoltaic and Thermoelectric Energy Harvesting Chip

This study investigates the development of an energy harvesting chip (EHC) using the Complementary Metal-Oxide-Semiconductor (CMOS) process to meet the growing demand for high-performance, miniaturized energy harvesters in modern electronic devices. The EHC integrates a thermoelectric energy harvester (TEH) and a photovoltaic energy harvester (PEH) to maximize energy conversion efficiency. (This work has been published in the ESCI journal Energy Conversion and Management: X (2024).)

Three-Axis Magnetic Field Sensor

This study presents the modeling and measurement of a three-axis magnetic field (MF) sensor chip based on Complementary Metal-Oxide-Semiconductor (CMOS) technology. The sensor chip comprises three independent MF sensing units—namely, the x-axis, y-axis, and z-axis MF sensors—each specifically designed to detect magnetic fields along their respective axes. (This work has been published in the SCI-indexed IEEE Sensors Journal (2024).)

Photovoltaic Microgenerator

This study presents the development of a photovoltaic microgenerator based on the Complementary Metal-Oxide-Semiconductor (CMOS) fabrication process. The microgenerator converts incident light into electrical energy via the photovoltaic effect. Constructed from silicon, the device features a patterned p–n junction structure. Its design employs a grid-like architecture with patterned p-type doping and N-well regions to form a large-area p–n junction, thereby enhancing photocurrent generation and improving overall device performance. (This work has been published in the SCI-indexed journal Micromachines (2023).)

Study of Mechanical Stress on Corneal Fibroblasts

In this study, two mechanical stretching methods were employed: continuous stretching and cyclic stretching. Continuous stretching represents a relatively static condition, while cyclic (non-continuous) stretching reflects a more dynamic mechanical environment. These two methods were used to simulate the effects of elevated intraocular pressure and eye rubbing on corneal cells, respectively. (This work has been published in the SCI-indexed journal Processes (2022).)

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