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NARCISO · Project

Self-Forming Nanopatterns on Semiconductor Films for Sensors and Optical Coatings

manufacturingTestedTRL 4

Imagine heating a thin layer of silicon until it naturally breaks apart into tiny, perfectly ordered shapes — like how water beads up on a hot pan, but with solid materials. The NARCISO team figured out how to control this natural breakup process to create incredibly precise nanostructures without expensive lithography machines. They then used these structures as stamps to print optical coatings and sensor surfaces onto almost any material. The result is a cheaper, scalable way to make things like anti-reflection coatings, color filters, chemical sensors, and even water purification membranes.

By the numbers
8-inch
Maximum wafer size demonstrated for solid-state dewetting process
6
Consortium partners across 5 countries
17
Total project deliverables produced
1
Industrial partner (Obducat Technologies) in nano-imprint lithography
The business problem

What needed solving

Manufacturing nanostructured surfaces for optics, sensors, and filtration currently requires expensive lithography equipment and slow multi-step processes. This limits who can produce advanced coatings, biosensor surfaces, and high-performance filter membranes — and keeps costs high. Companies need cheaper, faster ways to pattern functional nanostructures at industrial scale.

The solution

What was built

The team built and demonstrated a self-patterning process (solid-state dewetting) on silicon-on-insulator wafers up to 8 inches, created prototypes of epitaxially-grown III-V light-emitting structures on dewetted silicon/germanium, engineered nanostructured metal oxide filters with quantified filtration performance, and demonstrated Anderson localization of light for random lasing applications.

Audience

Who needs this

Optical coating manufacturers needing cheaper nanostructuring methodsBiosensor and lab-on-chip companies seeking high-sensitivity detection surfacesWater filtration membrane producers looking for advanced nanoporous materialsNano-imprint lithography service providers expanding their template libraryLED and photonic device makers exploring new light-emitting nanostructures
Business applications

Who can put this to work

Photonics & Optical Coatings
mid-size
Target: Manufacturers of anti-reflection coatings, color filters, or optical components

If you are an optical coatings manufacturer struggling with expensive and slow lithography processes — this project developed a self-patterning method using solid-state dewetting that was demonstrated on wafers up to 8 inches. The technique creates nanostructures that work as anti-reflection coatings and color filters, and can be printed onto arbitrary substrates via nano-imprint lithography. With industrial partner Obducat Technologies already in the consortium, the method was designed for high-throughput production.

Biosensors & Diagnostics
SME
Target: Companies developing chemical or biological sensors and lab-on-chip devices

If you are a biosensor company looking for more sensitive detection surfaces — this project built microfluidic devices with precisely controlled nanoporous metal oxide surfaces (TiO2, SiO2, ZnO, Al2O3) with tunable porosity and wettability. These surfaces improve how fluids interact with sensor elements at the microscale. The sol-gel dip-coating and nano-imprint process allows printing these functional surfaces on different substrates suited to your device design.

Water Treatment & Filtration
any
Target: Companies producing advanced filtration membranes or water purification systems

If you are a filtration company seeking higher-performance filter materials — this project designed and engineered efficient filters by quantifying how pore-scale flow patterns and particle-surface interactions affect filtration efficiency. They measured overall filtration efficiency, particle deposition profiles, and hydraulic properties. The nanostructured metal oxide surfaces with controllable porosity offer a path to next-generation filter membranes produced at industrial scale.

Frequently asked

Quick answers

What would it cost to adopt this nanopatterning technology?

The project data does not include specific licensing fees or production cost estimates. However, the core value proposition is cost reduction: solid-state dewetting is a self-assembling process that replaces expensive conventional lithography. The use of sol-gel dip-coating and nano-imprint lithography (soft-NIL) are known to be lower-cost alternatives to traditional semiconductor patterning methods.

Can this scale to industrial production volumes?

Yes, this was a key project goal. The team demonstrated the solid-state dewetting process on wafers up to 8 inches in diameter, which is a standard industrial wafer size. The consortium specifically included Obducat Technologies, a major nano-imprint lithography equipment maker, to validate that the methods work in a high-throughput industrial production chain.

What is the IP situation and how can I license this?

The project was funded under FET Open (frontier research), and IP is typically shared among the 6 consortium partners across 5 countries. Obducat Technologies (the industrial partner) likely holds commercialization rights for the nano-imprint lithography applications. Contact the coordinator at Consiglio Nazionale delle Ricerche (Italy) for licensing discussions.

How mature is this technology — can I use it today?

The technology has been demonstrated at wafer scale (up to 8 inches) and prototypes of light-emitting structures and filter devices exist. However, as a FET Open project, this is still at the transition from lab demonstration to pre-industrial validation. You would need to work with the consortium partners to adapt the process to your specific production environment.

What substrates and materials does this work with?

The project demonstrated patterning of metal oxides including TiO2, SiO2, ZnO, and Al2O3, deposited via sol-gel dip-coating and printed on arbitrary substrates. The base solid-state dewetting process works with silicon and germanium thin films. This flexibility means the technology can potentially be adapted to many different product surfaces.

What regulatory considerations should I be aware of?

Based on available project data, no specific regulatory filings or certifications are mentioned. For water filtration applications, standard drinking water safety certifications would apply. For biosensor or medical applications, relevant device regulations (e.g., EU MDR) would need to be addressed during product development.

Consortium

Who built it

The NARCISO consortium brings together 6 partners from 5 countries (Italy, Germany, France, Sweden, Switzerland), with 4 universities, 1 research institute, and 1 industrial partner. The single but strategically important industrial partner is Obducat Technologies, a major international player in nano-imprint lithography equipment. With only a 17% industry ratio, this is primarily a research-driven consortium — which is typical for FET Open projects exploring frontier science. For a business looking to adopt this technology, Obducat Technologies is the most direct route to industrial implementation, while the academic partners (led by Italy's CNR) hold the deep materials science and photonics expertise needed for customization.

How to reach the team

Consiglio Nazionale delle Ricerche (CNR), Italy — search for NARCISO project coordinator at CNR for direct contact

Next steps

Talk to the team behind this work.

Want an introduction to the NARCISO team or their industrial partner Obducat Technologies? SciTransfer can arrange a focused meeting to explore licensing or collaboration options for your specific application.

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