Researchers manufacture the first back-contact micrometric photovoltaic cells

https://techxplore.com/news/2023-11-back-contact-micrometric-photovoltaic-cells.html

"reducing electrode-induced shadowing by 95% and potentially up to 3X lower energy production costs... extremely small size... electronics miniaturization, cheaper more powerful solar cells, lightweight nuclear batteries, miniaturization of telecommunications and iot devices"

Related:

ISC Konstanz claims 24% efficiency for tunnel back contact solar cell

https://www.pv-magazine.com/2023/12/21/isc-konstanz-claims-24-efficiency-for-tunnel-back-contact-solar-cell/

Longi announces 27.09% efficiency for heterojunction back contact solar cell

https://www.pv-magazine.com/2023/12/20/longi-announces-27-09-efficiency-for-heterojunction-back-contact-solar-cell/

Shaping the future of solar energy: flexible silicon solar cells with high power-to-weight ratios
https://medriva.com/health/environmental-health/shaping-the-future-of-solar-energy-flexible-silicon-solar-cells-with-high-power-to-weight-ratios/