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Project overview

Summary

This project will investigate the use of novel multifunctional dielectric layers to simplify processing of high-efficiency silicon solar cells.

Need

Silicon solar cells that use local contacts to reduce contact recombination have demonstrated some of the highest efficiencies in laboratory devices. Transferring such technologies to industry requires substituting complex photolithographic patterning with low-cost, high-throughput processes for local contact formation. The ANU and Eindhoven University of Technology have recently identified phosphorus oxide (POx) as an effective passivation material for silicon cells, with comparable or better performance than current state-of-the-art materials used in mass production.

Action

This project is investigating the use of phosphorus oxide (POx) as an insulating layer within high efficiency silicon solar cells in order to reduce efficiency loss (through surface recombination) and simplify production processing.

Such multifunctional dielectric layers have the potential to significantly simplify processing and consequently reduce the cost of high-efficiency silicon solar cells. This project will advance this promising technology towards commercial application.

Outcome

The outcome of the project is expected to be a stable, high-performance technology for surface passivation and contact of silicon solar cells, based on a simple processing sequence and demonstrated in high efficiency devices.

Last updated
02 October 2020
Last updated 02 October 2020

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