Issue 32, 2022

Electrically reading a light-driven molecular switch on 2D-Ti3C2Tx MXene via molecular engineering: towards responsive MXetronics

Abstract

The contemporary digital revolution, which demands for miniaturized electronics, has prompted the search for molecule-based nanomaterials that handle some of the computational logic functions—which relates the concept of zeros (0) and ones (1) in binary code—reached by mainstream silicon-based semiconductor technology. Herein, the feasibility of emerging 2D transition metal carbide (MXene) derivatives to write, erase and readout bistable molecular switches has been elucidated. As a first demonstration of applicability, 2D-Ti3C2Tx MXene has been covalently functionalized with an optically active molecule as azobenzene (AZO), in which the photo-driven inputs of the AZO isomerization (E-AZO@Ti3C2TxZ-AZO@Ti3C2Tx) resulted in two distinguished electrical states when it was immobilized in an emerging 3D-printed transducer. Thus, this work provides the basis towards the yet undisclosed concept of “Responsive MXetronics” by molecularly engineering smart MXenes to perform logic (opto)electronic tasks.

Graphical abstract: Electrically reading a light-driven molecular switch on 2D-Ti3C2Tx MXene via molecular engineering: towards responsive MXetronics

Supplementary files

Article information

Article type
Paper
Submitted
26 Apr 2022
Accepted
02 Jul 2022
First published
09 Aug 2022

J. Mater. Chem. A, 2022,10, 17001-17008

Electrically reading a light-driven molecular switch on 2D-Ti3C2Tx MXene via molecular engineering: towards responsive MXetronics

J. Muñoz, M. Palacios-Corella and M. Pumera, J. Mater. Chem. A, 2022, 10, 17001 DOI: 10.1039/D2TA03349F

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