The CuBert paste was used on an M10 solar cell with a conversion efficiency of 24%. Image: Bert Thin Films. Kentucky-based Bert Thin Films has used a proprietary copper paste on a tunnel oxide ...

Some or all of the mortgage lenders featured on our site are advertising partners of NerdWallet, but this does not influence our evaluations, lender star ratings or the order in which lenders are ...

Wang tells PV Tech Premium that copper offers a ‘a compelling combination’ of traits to replace silver. Image: AIKO. This Premium article, which was one of the most read Premium articles in 2025, has ...

Researchers in Germany have shown that heterojunction solar cells screen printed with silver-copper on the front side and silver paste on the rear side can achieve a 0.13% efficiency gain over ...

Netherlands-based research lab TNO has succeeded in applying copper electrodes to silicon heterojunction solar cells using a new screen-printing process. With this innovation, TNO says, almost the ...