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24 April 2020 2D MXenes: Promise for applications ranging from THz electromagnetic interference shielding to conductive electrodes (Conference Presentation)
Lyubov V. Titova
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Proceedings Volume 11390, Next-Generation Spectroscopic Technologies XIII; 113900J (2020) https://doi.org/10.1117/12.2559149
Event: SPIE Defense + Commercial Sensing, 2020, Online Only
Abstract
MXenes are 2D transition metal carbides and nitrides with electronic properties that can be tuned by their chemistry and structure. Three members of MXene family, Ti3C2Tz , Mo2Ti2C3Tz and Mo2TiC2Tz are all intrinsically metallic, with high free carrier densities and high carrier mobility within individual nanosheets. However, they respond to photoexcitation in dramatically different ways: while photoexcitation suppresses conductivity in Ti3C2Tz, it results in a long-lived positive photoconductivity in both Mo2Ti2C3Tz and Mo2TiC2Tz. Those responses suggest applications of MXenes in a variety of electro-optical and THz devices.
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Lyubov V. Titova "2D MXenes: Promise for applications ranging from THz electromagnetic interference shielding to conductive electrodes (Conference Presentation)", Proc. SPIE 11390, Next-Generation Spectroscopic Technologies XIII, 113900J (24 April 2020); https://doi.org/10.1117/12.2559149
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KEYWORDS
Terahertz radiation
Electromagnetic interference
Electrodes
Annealing
Chemistry
Optoelectronics
Sensors
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