|About this Abstract
||2022 TMS Annual Meeting & Exhibition
||Metal-Matrix Composites: Advances in Processing, Characterization, Performance and Analysis
||Modification of Bi2Te3 Nanowires-based Composites for Enhanced Flexible Thermoelectric Films
||Jaeyun Moon, Matthew Pusko
|On-Site Speaker (Planned)
Recent developments in wearable electronics and the Internet of Things (IoT) have stimulated research interests in light-weight, flexible, renewable, and sustainable energy-harvesting sources, consequently, flexible thermoelectric (TE) devices having simplicity and high practicability. In this talk, the modification of Bi2Te3 nanowires (NWs) - carbon nanotubes (CNTs) composite films for flexible TE devices will be discussed. The composites were optimized, providing better thermoelectric properties and improved flexibility and durability, by means of oxidizing the CNTs with concentrated acids. CNTs were treated with various acids to purify CNTs and improve the interface with inorganic nanowires, resulting in enhancing TE performance of the flexible composite films. The oxidation method also could assist in the debundling of the CNTs, beneficial for uniformly dispersed interface in the composites. In addition, tailoring dimension of Bi2Te3 nanowires by means of altering certain aspects of the synthesis conditions potentially improves TE performance of the composite films.
||Composites, Energy Conversion and Storage, Thin Films and Interfaces