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30 March 2020 THz spectroscopy of MXenes: promise for applications ranging from electromagnetic interference shielding to conductive electrodes (Conference Presentation)
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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 intrinsic 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.
Conference Presentation
© (2020) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Lyubov V. Titova, Guangjiang Li, Teng Shi, Varun Natu, Naaman Amer, Shuohan Huang, Hassan Hafez, Frank Hegmann, Dmitry Turchinovich, Vadym Mochalin, and Michel Barsoum "THz spectroscopy of MXenes: promise for applications ranging from electromagnetic interference shielding to conductive electrodes (Conference Presentation)", Proc. SPIE 11348, Terahertz Photonics, 113480Y (30 March 2020); https://doi.org/10.1117/12.2559696
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