Researchers identify screen printing degradation in copper-plated heterojunction solar cells

Chinese researchers found that wear in screen mesh during manufacturing damages passivation layers in advanced solar cells, but an optimized buffer layer prevented efficiency loss over 40,000 cycles.

First covered Nov 14, 2026 · 2:55 AM PT · 1 article

Researchers identify screen printing degradation in copper-plated heterojunction solar cells — Image via pv-magazine.com

Coverage

6h PV Magazine First attempt to address screen printing-induced degradation in copper-plated heterojunction solar cells — Researchers in China have investigated a previously overlooked degradation mechanism in copper-plated heterojunction solar cells caused by screen-printed…

More coverage from around the web

sciencedirect.com Development of nanoparticle copper screen printing pastes for silicon heterojunction solar cells - ScienceDirect

epj-pv.org Aging tests of mini-modules with copper-plated heterojunction solar cells and pattern-transfer-printing of copper paste

tib-op.org Impact of Screen-Printed Pure Copper Pastes on Silicon Heterojunction Solar Cells

publica.fraunhofer.de Transition from Silver-to Copper-Based Screen Printed SHJ Solar Cells

epj-pv.org Aging tests of mini-modules with copper-plated ...

Appeared in: 2026-11-14 (#3)

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