AUTHOR=Liang Chao , Zhang Liwen , Zhao Nan , Zhou Wei , Deng Xue , Zhou Yuguang , Hou Yuxin , Zhang Wenqiang 

TITLE=Laser etching-based surface wetting modulation of silicone rubber for triboelectric nanogenerator

JOURNAL=Frontiers in Energy Research

VOLUME=Volume 10 - 2022

YEAR=2022

URL=https://www.frontiersin.org/journals/energy-research/articles/10.3389/fenrg.2022.987181

DOI=10.3389/fenrg.2022.987181

ISSN=2296-598X

ABSTRACT=Silicone rubber is a widely used functional material whose lifetime and safety properties can be improved by achieving superhydrophobicity on the surface. However, there are few studies for the rapid repair of superhydrophobic surfaces. In this work, a superhydrophobic surface is prepared on silicone rubber using laser etching, finding the parameters used to regulate and realize the superhydrophobic/superhydrophilic state of the surface and in situ repair is carried out by laser etching. The modulation of the wettability is attributed to the micro-nano structure manufabricated by a laser, while the micro-nano structure can be maintained after the repair. Meanwhile, a triboelectric nanogenerator(TENG) is fabricated using superhydrophobic silicone rubber and drove the LED to light up. In short, this study provides a simple solution for TENG and its recycling.