@article{
author = "Lee, Kangho and Szydłowska, Beata M. and Hartwig, Oliver and Synnatschke, Kevin and Tywoniuk, Bartlomiej and Hartman, Tomáš and Tomašević-Ilić, Tijana and Gabbett, Cian P. and Coleman, Jonathan N. and Sofer, Zdeněk and Spasenović, Marko and Backes, Claudia",
year = "2022",
abstract = "Liquid-phase exfoliation (LPE) has been introduced as a versatile and scalable production method for two-dimensional (2D) materials. This method yields dispersions that allow for the fabrication of printable and flexible electronic devices. However, the fabrication of uniform and homogeneous films from LPE dispersions with a performance similar to that of bottom-up grown materials remains a challenge, as the film quality strongly influences the optical and electrical performance of devices. Furthermore, long-term stability remains a major challenge for all 2D material based applications. In this study, we report on highly conductive tiled network films made of platinum diselenide (PtSe2) flakes derived using a scalable LPE method. We characterized the homogeneous films in terms of morphology and electrical behavior. As an example of applicability, we produce a chemiresistive sensor structure with the PtSe2 films and show significant resistance changes upon periodic ammonia gas exposures, revealing a sub-0.1 part per million (ppm) detection limit (DL). More remarkably the devices are fully functional after 15 months, underlining the high stability of PtSe2 based devices.",
publisher = "Great Britain : Royal Society of Chemistry",
journal = "Journal of Materials Chemistry C",
title = "Highly conductive and long-term stable films from liquid-phase exfoliated platinum diselenide",
volume = "11",
number = "2",
pages = "593-599",
doi = "10.1039/d2tc03889g"
}