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Instituto de investigación alemán ofrece una tecnología de ablación mediante láseres de pulso ultracorto para funcionalización de superficies

Resumen

Tipo:
Oferta Tecnológica
Referencia:
TODE20190423001
Publicado:
02/05/2019
Caducidad:
02/05/2020
Resumen:
Un instituto de investigación alemán especializado en tecnologías energéticas está trabajando en la modificación de superficies mediante el uso de láseres de pulso ultracorto. El proceso de láser de pulso ultracorto modifica la estructura de diferentes superficies. Dependiendo de los parámetros del láser, pueden implementarse nuevas propiedades de materiales: profundidad y rugosidad de la estructura, composición química, humectabilidad y transferencia de calor y fluidos. Los campos de interés en el futuro incluyen transferencia de calor eficiente, optimización de la absorción de luz, catalizadores altamente activos y superficies hidrofóbicas. El instituto de investigación busca socios interesados en superficies funcionalizadas para cualquier aplicación o material que quieran probar la tecnología.

Details

Tittle:
German research institution is offering ultrashort pulse laser ablation for the functionalisation of surfaces
Summary:
A German research institution with a focus on energy related technologies is working on surface modification using ultrashort pulse lasers. Partners interested in functionalised surfaces for any application and materials are welcome to test the technology.
Description:
Founded over 200 years ago, the university operates one of the most prestigious technological institutes in Germany. The university has a special focus on engineering.
The research group is working in the field of energy related technologies, with a special focus on functionalization of materials.
The research group modifies surfaces already in a technical scale.
Future field of interest include efficient heat transfer, optimization of light absorption, highly active catalysts and hydrophobic surfaces. Other possible applications include, but are not limited to the surface structuring for several functionalised products, such as self-cleaning shell finish.
Advantages and Innovations:
Technology:

An ultrashort pulse laser process modifies the structure of different surfaces. New material properties can be implemented, depending on the laser parameters. Properties such as

- structure depth, roughness
- the chemical composition
- wettability
- heat and fluid transfer

can be controled.

Any material including

- metals (steel, aluminium, copper, nickel)
- semiconductor
- polymers (e.g. acrylic glass)

are processed.

In a current application metal surfaces are modified in the nano and micro structure using femtosecond laser ablation. Those mechanical stable and larger surfaces are especially interesting for the usage as electrocatalyst. During the laser process, elements from the process environment can be incorporated. For example, Nickel and Copper electrodes can be alloyed on the surface with further catalytic active elements from the process ambient.

In this manner, iron alloyed nickel electrodes features an increased electrochemival activity in the alkali water electrolysis. An alloyed copper electrode features an increased activity during the electrochemical reduction of carbon dioxide. This innovative method can also be transfered to other catalytic surface reactions on various substrate matrices. With this technique, a very low amount of precious catalyst elements is used.
Stage of Development:
Under development/lab tested
IPs:
Patent(s) applied for but not yet granted

Partner sought

Type and Role of Partner Sought:
They are looking for a partner to implement the surface modification technology using ultra short pulse lasers under license agreement, research cooperation agreement or technical cooperation agreement.

Client

Type and Size of Client:
University
Already Engaged in Trans-National Cooperation:
No
Languages Spoken:
English
German

Keywords

Technology Keywords:
02007010 Metals and Alloys
05005 Micro y nanotecnología
04008003 Micro y nanotecnología relacionada con la energía
02007014 Plastics, Polymers
02007015 Properties of Materials, Corrosion/Degradation