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The tandem solar cell was realised on a typical laboratory scale of one square centimetre. However, scaling up is possible (photo: Eike Köhnen/HZB)

World record at HZB: Efficiency of perovskite silicon tandem solar cell jumps to 29.15%


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In the race for ever higher efficiency levels, an Helmholtz Zentrum Berlin (HZB) development team has once again pulled ahead. The groups of Steve Albrecht and Bernd Stannowski have developed a tandem solar cell made of the semiconductors perovskite and silicon that converts 29.15 per cent of the incident light into electrical energy. This value has been officially certified by the CalLab of the Fraunhofer Institute for Solar Energy Systems (ISE) and means that surpassing the 30 per cent efficiency mark is now within reach.

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Thin glass is a versatile material with many possible applications in the organic and printed electronics industry (photo: Fraunhofer FEP)

Fraunhofer FEP: Optoelectronic systems on thin glass


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The recently launched KODOS project (“Konfektionierter Dünnglas-Verbund für optoelektronische Systeme”, Thin Glass Composites for Optoelectronic Systems), funded by the German Federal Ministry of Education and Research, is designed to transform thin glass into finished products along the entire value chain. The companies EMDE development of light, Volkswagen and Deutsche Werkstätten Hellerau, which focus on application development, have joined forces with the technology suppliers tesa, VON ARDENNE, Flabeg, 4JET microtech, SURAGUS, and the Fraunhofer Institute for Organic Electronics, Electron Beam and Plasma Technology FEP (Dresden, Germany).

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The technology demonstrator from fischer automotive and TactoTek (photo: TactoTek)

Fischer Automotive and TactoTek partner to demonstrate smart surface design innovations


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TactoTek (Oulu, Finland) and fischer automotive have collaborated on a smart surface technology demonstrator to show examples of design innovation that fulfil market demands for integrating styling, electronic functions and manufacturability of smart surfaces at commercial scale.

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ALTANA’s goal is to become CO2 neutral by 2025 (graphic: ALTANA)

ALTANA CO2-neutral by 2025


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By 2025 the specialty chemicals group ALTANA (Wesel, Germany) will reduce its CO2 impact from production and energy procurement worldwide to zero. Already in 2020, the company’s entire power supply will be converted to renewable energies. ALTANA will compensate for the unavoidable use of natural gas until 2025 by financing equivalent climate protection projects in the regions where CO2 emissions are generated. The same applies to offsetting CO2 emissions arising from necessary business trips, company cars, and the transport of goods. The specialty chemicals group will thus achieve climate neutrality in its direct sphere of influence by 2025.

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The team behind MICLEDI (photo: imec)

Imec spin-off MICLEDI Microdisplays raises €4.5M for the development of AR glasses


Companies / Markets

MICLEDI Microdisplays, the latest spin-off of imec (Leuven, Belgium), has raised €4,5M seed capital from imec.xpand, with participation of PMV and FIDIMEC. The funding will be used to develop microLED displays for next generation Augmented Reality (AR) glasses.

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