Fig. 4: Stability of tandem devices. | Nature Communications

Fig. 4: Stability of tandem devices.

From: Iceberg-like pyramids in industrially textured silicon enabled 33% efficient perovskite-silicon tandem solar cells

Fig. 4: Stability of tandem devices.The alternative text for this image may have been generated using AI.

a Cross-sectional SEM images of perovskites on STS substrates, named as control, and ITS (SiOX) substrates, named as target after heat treatments. b Ten STS and ITS(SiOX) tandem devices aged under 85% RH/ 85 °C with photovoltaic parameters shown. The inset image is the photograph of an encapsulated tandem device. c The MPPT tracking of encapsulated tandem devices at different temperatures in N2.

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