Flexible Silicon: Status, Opportunities, and Challenges

The rise of the Internet of Everything has spurred the need for flexible and stretchable electronic devices, particularly in biomedical applications. Monocrystalline silicon, a key material in the semiconductor industry, must be adapted to meet these demands. This article explores various thinning techniques to fabricate flexible silicon wafers, methods for transferring silicon to flexible substrates, and the importance of enhancing silicon’s stretchability. Furthermore, it discusses the impact of flexible silicon on sectors such as biomedical sensing, electronics, and power systems, highlighting the role of the Internet of Things (IoT) platform in interconnecting devices. Finally, this article examines current progress and future prospects in flexible silicon technology, paving the way for further advancements in this rapidly evolving field.