Tandem ART
A simple and low-cost technology to fabricate high-performance tandem solar cells.
At a glance
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Development stage
Prototype developed
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Investment stage
Pre-Seed
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UNSW affiliation
Spinout - staff led
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Technology readiness level
TRL-5
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Female led
Yes
As traditional silicon cells hit their efficiency ceiling, there is high market demand for tandem cells, driven by customers willing to pay a premium for higher performance.
Tandem ART is developing low-cost technology to simplify the production of high-performance tandem solar cells.
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Tandem ART has developed a low-cost solution for integrating Si wafer cells with thin-film cells to fabricate tandem solar cells. The team invented a novel method to transform common insulating polymers into conductive polymers, which can be used to bond sub-cells together to produce tandem cells. The technology makes it much easier to combine different types of solar cells together, removing the technical barriers that have limited the commercialisation of tandem cells.
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High-efficiency tandem solar cells are well recognised as the next-generation photovoltaic (PV) products, as current silicon (Si) solar cells approach their theoretical efficiency limit. However, this highly demanded tandem cell product is not yet available to the market due to incompatibility and difficulty integrating sub-cells.
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- Initially: PV rooftop, building-integrated, and vehicle-integrated PV system distributors requiring high efficiency in a limited area.
- Long term: All kinds of PV power plant developers, as tandem cell costs continue to decline.
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- A prototype of tandem solar cells has been demonstrated.
- Co-invented by Scientia Prof Xiaojing Hao and Scientia Prof Martin Green, widely regarded as the father of modern solar cell technology.
- Awarded the Australia’s Economic Accelerator (AEA) Innovate grant (AU$1M) LinkedIn: Xiaojing Hao
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