Work

Optimization of conductivity for MXene polymer nanocomposites by the number and diameter of contacts among adjacent nanosheets

Year: 2026

Type: article

Abstract: In this study, a model for the conductivity of MXene-based samples is developed by simultaneously considering the percolation threshold, inter-nanosheet interfacial contacts, contact geometry, and electron tunneling effects. The percolation onset volume fraction and the network portion are demonstrated by interphase dimensions as well as the diameter and thickness of the MXene nanosheets. Accordingly, the proposed model is constructed based on physically meaningful and measurable parameters, providing an efficient framework for estimating the conductivity of MXene system. Parametric analysis and experimental conductivity facts from representative systems are employed to validate the method. The highest conductivity as 5.1 S/m is gained when nearly all MXene nanosheets participate in the conductive network and the interphase thickness is 40 nm. Furthermore, when the number of contact points reaches 40 and the contact circle diameter is 50 nm, the conductivity increases significantly, approaching 6.2 S/m. Overall, larger interphase region, shorter tunneling distance, larger contact area, higher contact number, and a greater fraction of networked nanoparticles lead to improved conductivity.

Source: Scientific Reports

DOI: 10.1038/s41598-026-76627-1

Authors: Mohammad Boomhendi, Muhammad Tajammal Munir, Behzad Hashemi Soudmand, Yasser Zare

Institutions: University of Kashan, American University of the Middle East, Gebze Technical University, Academic Center for Education, Culture and Research

Language: English

Topic: MXene and MAX Phase Materials

Subfield: Materials Chemistry

Field: Materials Science

Domain: Physical Sciences

Open Access status: gold

Estimated APC paid: $2,690

OpenAlex ID: W7222878589

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