Recent Progress in 2D-Nanomaterial-Based Triboelectric Nanogenerators

The integration of triboelectric nanogenerators (TENGs) and 2D nanomaterials brings about 2D-nanomaterial-based TENGs (2D-TENGs) that promote the rapid development of self-powered sensing systems and wearable electronics. Extraordinary physical, electronic, chemical, and optical properties of 2D nanomaterials endow 2D-TENGs with improved output performance. This review presents the state of the art of 2D-TENGs with respect to basic classifications, enhancement mechanisms, special advantages, output performances, and applications in energy harvesting and self-powered sensing. Furthermore, several challenges that can impede applications of 2D-TENGs are discussed.

Automated summary

The integration of TENGs and 2D nanomaterials has led to the development of 2D-TENGs, which show improved output performance and potential applications in energy harvesting and self-powered sensing. Despite their advantages, there are still some challenges that may hinder the widespread use of 2D-TENGs.