Rajeshwari Gattu

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Rajeshwari Gattu

LECO-driven Cu contact formation: Microscopy images show Cu colloid and crystallite formation at the TOPCon contact interface after LECO treatment.

Copper Metallization Pushes TOPCon Efficiency >24% With LECO Support

Rajeshwari Gattu

16 hours ago

3 min read

TOPCon Voc shows steady gains over time, closing the gap with SHJ and approaching 740 mV. Recent improvements have reduced the difference to below 10 mV, highlighting strong progress in cell performance.

TOPCon Narrows Gap With SHJ In Tandem Solar Cells

Rajeshwari Gattu

Apr 10, 2026

3 min read

Testing Gap: Cell- and module-level degradation comparison of Ag/Al and LAF contacts under damp-heat conditions. While cell-level tests indicate higher degradation in LAF, module-level results show stronger degradation in Ag/Al.

Study Shows Cell-Level Testing Matches Module Degradation

Rajeshwari Gattu

Apr 06, 2026

2 min read

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