DuPont Unveils New PV Metallization Pastes For Screen Printing


DuPont Photovoltaic Solutions has introduced new innovations for its DuPont Solamet photovoltaic metallization paste to enable advanced screen printing.

Specially designed for double printing, Solamet PVD1x and PVD2x comprise an integrated two-layer solution with compatibility that helps maximize cell performance. The first layer demonstrates super low contact resistance and excellent fine line printing, while the second layer delivers better electrical conductance and good solderability for high adhesion, according to the company, which says the solution for double printing enables more than 0.1% efficiency gain.

DuPont has also introduced Solamet PVM1x to support the new development of the Mesh-Cross-Free (MCF) screen. The company says Solamet PVM1x has excellent matchability with various MCF parameters, outstanding printability and yield to both multi and mono wafers with 0.1% efficiency gain.

DuPont unveiled the new products at an expo in Japan, where the company collaborated with Taiwan Solar Energy Co. (TSEC) to demonstrate the increased efficiency and power output that DuPont Solamet technology can provide. DuPont says TSEC, which specializes in manufacturing mono- and polycrystalline silicon solar cells and modules, has observed 21.15% cell efficiency and module power output as high as 305 W (60 pcs) in its mono PERC modules.

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