Dear Colleagues,

In addition to graphene, a new family of 2D nanomaterials, MXenes, which include metal carbides, carbonitrides, and nitrides (for instance Ti₃C₂, Mo₃C, Nb₂C, and others), have attracted great attention recently due to their unique 2D structure, good conductivity, excellent mechanical properties, and satisfying hydrophilicity. More and more studies on the synthesis and applications of 2D MXenes have been performed, in which the modification and functionalization of MXenes plays a crucial role for the synthesis of MXene-based functional nanomaterials. For example, the chemical modification and functionalization of MXenes have made it possible to conjugate MXenes with other functional building blocks to form hybrid nanomaterials with multifunctions; the functionalization of MXenes and subsequent hybridization with graphene, carbon nanotubes, and metal nanoparticles have extended their applications in the nanotechnology, energy, and environmental fields; and the bio-functionalization of MXenes with biopolymers, DNA, protein, peptides, enzymes, and others have improved their potentials for biosensors, tissue engineering, drug delivery, bioimaging, and cancer therapy applications.

To present recent advances in this emerging field, we here propose a Special Issue focused on the synthesis, functionalization, hybridization, and applications of MXene-based nanomaterials. We would like to invite researchers to contribute to this project and welcome the studies involved in but not limited to these topics:

• Synthesis and functionalization of MXenes;
• Bio-functionalization methods of MXenes;
• Hybrid nanomaterials based on MXenes;
• MXene-based nanomaterials for energy storage applications;
• MXene-based nanomaterials for environmental applications;
• MXene-based nanomaterials for biomedical applications.

Prof. Dr. Gang Wei
Guest Editor

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• MXenes
• 2D materials
• 3D materials
• Modification
• Functionalization/biofunctionalization
• Nanoparticles
• Polymers
• Carbon materials
• Hybrid nanomaterials
• Chemical synthesis
• Biomimetic synthesis
• Energy storage
• Water purification
• Environmental treatment
• Sensors/biosensors
• Drug delivery
• Tissue engineering
• Bioimaging
• Cancer/tumor therapy