Presentation Information
[8a-S201-3]CNT-based Thermoelectrics
〇Yoshiyuki Nonoguchi1 (1.Kyoto Inst. Tech.)
Keywords:
chemical doping,thermoelectrics
This presentation highlights our recent progress in the development of thermoelectric materials based on single-walled carbon nanotubes (SWCNTs). We first introduce a conceptual framework for achieving n-type doping in SWCNTs, and propose a generalized guideline that enables systematic and reproducible control of carrier polarity and transport properties. Building on this foundation, we further explore the extension of this concept to p-type doping, aiming to establish a comprehensive strategy for both types of carriers. In parallel, we present a systematic investigation into the relationship between the structural characteristics of semiconducting SWCNTs and their thermoelectric performance, with particular attention to chirality and electronic band structure. Finally, we demonstrate the practical implementation of these materials in thermoelectric devices and generators, showcasing their potential for energy harvesting applications. Through these studies, we underline the effectiveness of an interdisciplinary approach that bridges materials chemistry and device engineering in advancing next-generation carbon-based thermoelectric systems.