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DuPont Microcircuit Materials Presents Research Findings on New Technologies for Photovoltaic Thin Films

Solamet® PV410 Metallization Advances Photovoltaic Technology



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Contact:
Ellen Pressley
919-248-5598
ellen.g.pressley@usa.dupont.com

RESEARCH TRIANGLE PARK, NC, March 25, 2009 - DuPont Microcircuit Materials (MCM), part of DuPont Electronic Technologies, will be presenting new research findings on “Advanced Screen Printable Thin Film Photovoltaic Front-Side Silver Conductor Compositions,” at the IDTechEx Photovoltaics beyond Conventional Silicon Europe Conference and Exhibition, which is co-located with Printed Electronics Europe in Dresden, Germany, April 7 – 8, 2009. MCM will also highlight its broad and growing portfolio of customizable, functional conductive inks for printed electronics, and DuPont™ Solamet® photovoltaic metallizations for photovoltaic (PV) solar energy, at stand 32.

Thin Film PV Module
New DuPont technologies such as Solamet® photovoltaic (PV) metallizations help enhance the efficiency of thin film PV modules. Photo provided courtesy of Ascent Solar.
"Thin film photovoltaics is a key emerging market that we expect will reach up to 1.5 gigawatts in 2009, with an increasing share of flexible and rigid designs utilizing front side metallization inks such as Solamet®,” said Dr. Kerry Adams, European segment manager, Thin Film Photovoltaics -- DuPont Microcircuit Materials. “DuPont is accelerating the development of front side materials designed to enable improved efficiency in both amorphous silicon and CIGS thin film PV modules, by leveraging our experience in the development of metallization inks used in both printed electronics and photovoltaics.  We’re putting that science to work to create a new technology platform with Solamet® PV410 metallization ink, and we’re pleased to share at this conference the new insights it has given us. We expect further advancements as the PV410 technology continues to evolve to benefit our thin film PV customers.”

DuPont MCM’s development objective was to achieve a direct improvement in thin film solar cell efficiency by producing Solamet® silver ink formulations that would reduce series resistance losses. Crucial factors in the development included: high conductivity, low contact resistance, good adhesion to transparent conductive oxides and long-term reliability. The compositions are screen printable for high-volume production with ink rheology adaptable to rotary printing; and utilize a versatile chemistry platform which can be extended to other thin film technologies such as Dye Sensitized Cells (DSC), Organic and Heterojunction cells.  New materials based on Solamet® PV410 technology are expected within the year.

Vince Arancio, Technical Specialist, DuPont Microcircuit Materials, will present his findings in a paper titled, “Advanced Screen Printable Thin Film Photovoltaic Front-Side Silver Conductor Compositions” at the IDTechEx Photovoltaics beyond Conventional Silicon Europe Conference and Exhibition, at 12:30pm on April 8, 2009. A copy of the presentation will be available from the DuPont Microcircuit Materials website immediately following the event.

DuPont™ Solamet® is part of a broad and growing portfolio of products represented by DuPont Photovoltaic Solutions, which connects science and technology from across the company on a global scale to help support the dramatic growth in the photovoltaic industry. To learn more, please visit http://photovoltaics.dupont.com.

With DuPont MCM's experience in low-temperature ink development, it is uniquely positioned to help customers create solutions for a variety of existing and new applications. MCM’s range of functional low-temperature curing inks for thin-film PV and other printed electronics applications employ various advanced resin chemistries enabling a variety of adhesion, flex and thermal properties and compatibility with a broad range of substrates and processing techniques. The active phase of each ink is designed with each specific end application in mind, to ensure the correct conductive, resistive or dielectric properties.

DuPont Microcircuit Materials has over 40 years of experience in the development, manufacture, sale, and support of specialized thick film compositions for a wide variety of electronic applications in the display, photovoltaic, automotive, biomedical, industrial, military, and telecommunications markets. For more information on DuPont Microcircuit Materials, visit mcm.dupont.com. Microcircuit Materials is part of DuPont Electronic Technologies, a leading supplier of electronic materials, including materials for the fabrication and packaging of semiconductors, materials for hybrid, rigid and flexible circuits, and materials for advanced displays.

DuPont is a science-based products and services company. Founded in 1802, DuPont puts science to work by creating sustainable solutions essential to a better, safer, healthier life for people everywhere. Operating in more than 70 countries, DuPont offers a wide range of innovative products and services for markets including agriculture and food; building and construction; communications; and transportation.

Photo: Thin film PV module
Caption: New DuPont technologies such as Solamet® photovoltaic (PV) metallizations help enhance the efficiency of thin film PV modules. Photo provided courtesy of Ascent Solar. 



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