Ion-Exchange Doping of Semiconducting Single-Walled Carbon Nanotubes
Angus Hawkey; Aditya Dash; Xabier Rodríguez-Martínez; Zhiyong Zhao; Anna Champ; Sebastian Lindenthal; Michael Zharnikov; Martijn Kemerink · 2025 · arXiv
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
Semiconducting single-walled carbon nanotubes (SWCNTs) are a promising thermoelectric material with high power factors after chemical p- or n-doping. Understanding the impact of dopant counterions on charge transport and thermoelectric properties of nanotube networks is essential to further optimize doping methods and to develop better dopants. Here, we utilize ion-exchange doping to systematically vary the size of counterions in thin films of small and large diameter, polymer-sorted semiconducting SWCNTs with AuCl3 as the initial p-dopant and investigate the impact of ion size on conductivity
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Metadata source: arXiv