Stretchable [2]rotaxane-bridged MXene films applicable for electroluminescent devices.

ABSTRACT: Titanium carbide (Ti₃C₂T_X) MXene has prominent mechanical properties and electrical conductivity. However, fabricating high-performance macroscopic films is challenging, as weak interlayer interactions limit their mechanical performance. Here, we introduce [2]rotaxane, a mechanically interlocked molecule, to enhance MXene films. Compared to pure MXene (fracture strain: 4.6%, toughness: 0.6 MJ/m³), [2]rotaxane-bridged MXene (RBM) films achieve record-high strain (20.0%) and toughness (11.9 MJ/m³) with only 3.6% [2]rotaxane by weight. Additionally, RBM films endure 500 stretch cycles (0 to 15% strain) with stable and reversible resistance alterations, making them ideal for stretchable electrodes. Notably, RBM films enable stretcha

SUBMITTER: Wang C 

PROVIDER: S-EPMC11887812 | biostudies-literature | 2025 Mar

REPOSITORIES: biostudies-literature