Simple processing for silicon solar cells
Tomasi et al.

Simple processing for silicon solar cells

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Volume 2 Issue 5

Image: Tomasi et al. Cover design: Alex WIng.

Volume 2 Issue 5

Traffic control in silicon

Back-contacted silicon solar cells with interdigitated passivated contacts have high efficiencies but are complex to manufacture. Tomasi et al. now report a simple process to self-align the two types of electronic contacts based on the surface-dependent crystalline growth of silicon and fabricate solar cells with a certified efficiency above 22%.

See Tomasi et al. 2, 17062 (2017).