- Lead Organisation
The Australian National UniversityLocation
Canberra, Australian Capital TerritoryARENA Program
18 September 2020
30 June 2024
- Project PartnersUniversity of Melbourne, Risen Energy, King Abdullah University of Science and Technology, Swiss Federal Institute of Technology Lausanne
This project will develop innovative concepts and advanced designs towards commercially-viable silicon/perovskite tandem solar cells.
Mass-market conventional silicon (Si) solar cells are approaching their limit of what is possible in terms of their efficiency. There is a risk that the cost of solar energy will plateau within the next 5-10 years if a clear technology pathway is not developed. A combination of silicon and perovskite to form Si/perovskite tandems can make better use of blue light in the solar spectrum, offering higher efficiency potential and thus increasing energy yield per unit area of installation.
Demonstrated Si/perovskite tandems currently use complex device architecture and expensive materials that can add to the cell manufacturing cost, affecting the potential viability of Si-tandem commercialisation.
ANU has developed a ground-breakingSi/perovskite tandem structure that considerably reduces the tandem cost while retaining high-efficiency and is particularly advantageous for upscaling.
Building on this innovation, this project will develop advanced device designs to simplify the device structure along with cost-effective processes and stable materials to reduce the cost of Si/perovskite tandems while lifting their efficiency and durability. Innovations include:
- Si and perovskite interface engineering for high-efficiency interconnect-free tandems
- Si subcell improvements specific for tandems
- development of higher-performing and stable perovskite material and contacts
- tandem stability improvement incorporating intrinsic and extrinsic strategies.
This project will develop a set of new technologies (cell architecture, materials and processes) to produce cost-effective, stable, high-efficiency Si/perovskite tandem cells that are industrially feasible. This has potential to reduce the cost of mass-market photovoltaic (PV) solar panels.
This project will also produce cost analysis reports to accelerate the commercialisation of silicon-tandem technology.
This project will strengthen Australia’s industrial collaboration in photovoltaic research. It will also deliver increased skills, capacity and knowledge through presenting high-quality research findings to the PV research community, industry and the public. Furthermore, this project will foster the next generation of Australian PV researchers.