The largest family of 2D materials, known as transition metal carbides and/or nitrides (MXenes), have a chemical formula of Mn+1XnTx, where M represents a transition metal (Ti, Mo, Nb, V, Cr, etc.), X is either carbon and/or nitrogen, and Tx represents surface terminations. The diversity in composition (~30 MXenes synthesized so far), availability of solid solutions on M and X sites, and control of surface terminations offers a plethora of structures and chemistries to investigate.1 The first discovered and most studied MXene, titanium carbide (Ti3C2Tx), has shown interaction with a wide range of the electromagnetic spectrum, including visible light transparency (&gt;97% visible light transmittance per nanometer), a transverse surface plasmon in the near-infrared range (750-800 nm), and to capability to perform as an electromagnetic shield or dipole antenna in microwave or radio frequencies.2 Combining the optical properties with ease in processing, high electronic conductivity and mechanical strength, MXenes have the characteristics necessary to develop as optical materials. This talk will provide insight into the optical properties and potential applications of MXenes as well as spectroscopic information which can be applied to designing photonic and optoelectronic devices, such as electron transport layers for solar cells, optical sensors, random or femtosecond lasers, electrochromic devices, photonic diodes, metamaterials, photothermal therapy agents, and more.

Optical properties of 2D transition metal carbides and nitrides (MXenes)

Macromolecular Chemistry: The Second Century

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ACS Spring 2020 National Meeting & Expo

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.