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Roth & Rau AG: 21% efficiency rate achieved on 156 mm wafer using Roth & Rau’s new high-efficiency technology
Roth & Rau AG / Key word(s): Miscellaneous 05.12.2011 / 12:00 --------------------------------------------------------------------- 21% efficiency rate achieved on 156 mm wafer using Roth & Rau's new high-efficiency technology Hohenstein-Ernstthal/Neuchâtel, 5 December 2011 - By achieving an efficiency rate of 21%, Roth & Rau AG has reached a new milestone in the development of its high-efficiency technology. Solar cells based on heterojunction technology (HJT) are characterised in particular by their high output efficiency rates. Moreover, the low temperature coefficient means that they achieve a higher energy yield. At an output efficiency rate of 20%, this technology thus already reduces solar electricity generation costs by around 15% compared with the latest technology available for traditional crystalline solar cells. Roth & Rau already presented the world's first heterojunction solar cells with efficiency rates of 20% produced on industrial 156 mm mono-crystalline wafers at the 26th European Photovoltaic Solar Energy Conference and Exhibition (EUPVSEC) held in Hamburg at the beginning of September 2011. These cell results have since been verified by the Fraunhofer Institute for Solar Energy Systems (ISE) and further progress has been made at Roth & Rau's research line in Neuchâtel in close cooperation with the EPFL/IMT research institute located there. The latest results for 156 mm cells now correspond to a superb rate of 21%. 'With our current results, we have taken a further step towards achieving grid parity. It is now clear that very high cell efficiency rates are achievable with heterojunction technology. Now it is a question of transferring these results to mass production systems', commented Dr. Egbert Vetter, Vice President for R&D at Roth & Rau AG, with regard to the latest progress. At its Technology Centre in Hohenstein-Ernstthal, Roth & Rau is pressing ahead with its efforts to transfer the results of the cell technology development work in Neuchâtel to mass production systems. Using the HELiA coating systems, which represent the core components of a production line for solar cells based on heterojunction technology, the company has currently achieved cell efficiencies of 20%. Given the great progress made in recent months, Roth & Rau is confident that the results now achieved will also be available for use in mass production in the near future. About Roth & Rau AG: Roth & Rau AG, based in Hohenstein-Ernstthal, has been one of the world's leading suppliers of production equipment and innovative production technologies for the photovoltaics industry for more than 10 years now. In its photovoltaics segment, Roth & Rau focuses on providing antireflective coating systems and a variety of advisory and technology transfer services for the installation of complete production lines for use in the manufacture of crystalline silicon solar cells. Further products include thermal processing systems also used in the manufacture of crystalline silicon solar cells, as well as coating systems and technological support for the manufacture of thin film solar modules. Roth & Rau MicroSystems, a subsidiary located in the Wüstenbrand district, develops and produces process systems for plasma and ion beam enhanced thin film and surface processing methods tailored to customers' specific needs. The customers served by this division particularly include companies in the semiconductor industry, R&D departments in various other industrial sectors, research institutes and universities. The portfolio of the Roth & Rau Group is supplemented by software products in the field of systems management, production monitoring and maintenance and service offerings. Contact: Roth & Rau AG Dr. Silvia Roth Tel.: +49 (0) 3723/671-3333 E-mail: investor@roth-rau.de End of Corporate News --------------------------------------------------------------------- 05.12.2011 Dissemination of a Corporate News, transmitted by DGAP - a company of EquityStory AG. The issuer is solely responsible for the content of this announcement. DGAP's Distribution Services include Regulatory Announcements, Financial/Corporate News and Press Releases. Media archive at www.dgap-medientreff.de and www.dgap.de --------------------------------------------------------------------- Language: English Company: Roth & Rau AG An der Baumschule 6-8 09337 Hohenstein-Ernstthal Germany Phone: 03723 6685-0 Fax: 03723 6685-100 E-mail: info@roth-rau.de Internet: www.roth-rau.de ISIN: DE000A0JCZ51 WKN: A0JCZ5 Listed: Regulierter Markt in Frankfurt (Prime Standard); Freiverkehr in Berlin, Düsseldorf, München, Stuttgart End of News DGAP News-Service --------------------------------------------------------------------- 148634 05.12.2011
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