Summary

The Swiss Federal Laboratories for Materials Science and Technology (Empa) has achieved significant progress in researching MXenes – a promising new class of two-dimensional materials with enormous application potential. In the interdisciplinary research project "TailorX," four Empa laboratories jointly achieved breakthroughs in modeling, synthesis, and application development. The materials could enable revolutionary solutions in CO₂ capture, energy storage, medicine, and sustainable catalysis – provided that manufacturing processes continue to be optimized.

People

Topics

  • Two-dimensional nanomaterials
  • Materials science and synthesis
  • Sustainable manufacturing processes
  • CO₂ capture and climate technology
  • Biomedical applications

Clarus Lead

Researchers at Empa have achieved fundamental advances in MXenes in a two-year research project – a material class that was only discovered 15 years ago and has remained largely underdeveloped. The interdisciplinary team from four laboratories developed new synthesis methods, created AI models for predicting material properties, and identified promising applications. Particularly relevant for decision-makers: A new "green" manufacturing method could enable commercial scaling and lower previous cost barriers.

Detailed Summary

MXenes are two-dimensional materials consisting of a single atomic layer, manufactured from ceramic MAX phases through chemical etching. Unlike graphene – the better-known 2D material – MXenes can combine various transition metals with nitrogen or carbon. This enables massive variability: through different element combinations, tailor-made materials can be synthesized for specific applications. The manufacturing process works similarly to peeling lasagna – strong acid dissolves the intermediate layers, ultrasound separates the remaining atomic layers.

The "TailorX" project brought together four specialized Empa laboratories: Functional Polymers, High Performance Ceramics, Building Energy Materials and Components, and nanotech@surfaces. This coordination enabled holistic advances from basic research to practical application. The synthesis team developed new MAX phases with high purity levels. In parallel, researchers created AI models to predict synthesis outcomes and material properties.

Critical for commercialization is the development of an environmentally compatible manufacturing method. The previous use of aggressive hydrofluoric acid is expensive, dangerous, and environmentally harmful – a primary reason for limited commercial availability. The project developed an alternative "green" etching process that eliminates hydrofluoric acid, is more efficient, and can be scaled up.

Key Messages

  • Material Diversity: MXenes enable tailor-made solutions for diverse applications through variable element composition
  • Synthesis Breakthrough: Development of new MAX phases with high purity levels and AI-supported predictive models
  • Sustainable Manufacturing: Alternative etching method without aggressive acids increases scalability and economic viability
  • Broad Application Spectrum: CO₂ capture, energy storage, antimicrobial effects, cancer therapy, supercapacitors, medical sensors
  • Interdisciplinary Success: Collaboration among multiple laboratories accelerated progress across all development stages

Critical Questions

  1. Evidence/Data Quality: What purity levels and reproducibility rates were achieved in the newly synthesized MAX phases, and are these data documented in peer-reviewed publications?

  2. Scalability of the Green Process: How do costs and production volumes of the new etching method compare to established procedures, and are pilot data available?

  3. Causality in Applications: Have the antimicrobial and cancer therapy effects been demonstrated in controlled in-vitro and in-vivo studies, or are these hypotheses from modeling?

  4. Conflicts of Interest: Do licensing agreements or spin-off companies from the project already exist that could influence research priorities?

  5. Long-term Stability: How stable are MXenes under real operating conditions (temperature, humidity, chemical exposure), and what degradation mechanisms have been identified?

  6. Environmental Risks: Have toxicity studies been conducted for disposal and potential release of MXenes into ecosystems?

  7. Competitive Landscape: What other research groups worldwide are working on MXenes, and how does Empa's work position itself in the international context?

  8. Timeline to Commercialization: What concrete milestones and schedules exist for planned follow-up projects (supercapacitors, batteries, medical sensors)?

Bibliography

Primary Source: High-Performance Lasagna: Novel 2D Materials Take Off – Empa Press Release, March 12, 2026

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Verification Status: ✓ March 12, 2026

This text was created with the support of an AI model. Editorial responsibility: clarus.news | Fact-checking: March 12, 2026