Perovskite–silicon ‘tandem’ photovoltaic panels and the Future of Cheaper Electricity Production

Solar energy has been gaining momentum as a leading source of renewable energy, and with recent advancements in perovskite–silicon tandem photovoltaic panels, the future of cheaper electricity production seems more promising than ever. Perovskite–silicon tandem technology combines the efficiency of silicon photovoltaic (PV) cells with the versatility and low cost of perovskite materials, creating a synergistic effect that could revolutionize the solar industry.

The key point of the research article published in Nature is that perovskite-silicon tandem photovoltaic panels have the potential to significantly reduce the cost of electricity production. Currently, silicon PV cells dominate the market due to their high efficiency and reliability, but they are also expensive to manufacture. On the other hand, perovskite materials have emerged as a low-cost alternative with similar efficiency levels but are not as durable. The combination of these two technologies presents an opportunity to overcome the limitations of both approaches and create a highly efficient, cost-effective, and durable solar panel.

The Benefits of Perovskite-Silicon Tandem Photovoltaic Panels

One of the key advantages of perovskite-silicon tandem photovoltaic panels is their high power conversion efficiency. By layering perovskite materials on top of silicon cells, the panel can capture a broader range of light spectrum, increasing overall energy production. Additionally, the use of perovskite materials allows for the customization of bandgap, optimizing the panel’s performance for specific light conditions.

Another benefit is the potential for cost reduction. Perovskite materials are cheap and easy to produce, while silicon cells, despite being highly efficient, are expensive. By combining these materials, the overall manufacturing cost can be significantly reduced, opening up opportunities for mass production and driving down the cost of solar panels.

Furthermore, perovskite-silicon tandem panels have the potential to overcome the limited availability of silicon. Silicon is abundant in the Earth’s crust, but the extraction process is energy-intensive, and the supply chain can be vulnerable to disruptions. Perovskite materials, being easy to manufacture, can be a complementary solution to silicon scarcity, ensuring a stable supply of solar panels for a growing demand.

The Potential Future Trends and Predictions

The development of perovskite-silicon tandem photovoltaic panels could lead to several future trends in the solar industry. Firstly, we can expect a significant reduction in the cost of solar energy. As manufacturing processes improve and economy of scale is achieved, the price per watt of these panels is likely to decrease, making solar energy more accessible to a broader population.

Secondly, the integration of perovskite materials into solar panels may drive the adoption of solar energy in unconventional settings. Perovskite-silicon tandem panels are lightweight and flexible, allowing for easy installation on curved or irregular surfaces. This opens up possibilities for solar integration in architecture, transportation, and numerous other industries where traditional rigid panels were not feasible.

Additionally, the use of perovskite materials in tandem with silicon cells paves the way for aesthetic improvements in solar panel design. Perovskite layers can be customized to be translucent or even transparent, enabling their integration into windows, glass facades, or other surfaces without compromising the overall aesthetic appeal.

Recommendations for the Industry

As the development of perovskite–silicon tandem photovoltaic panels progresses, it is crucial for the industry to prioritize research and development. Further advancements in stabilizing perovskite materials’ durability and improving their long-term reliability are necessary to ensure the commercial viability of these panels.

Furthermore, collaboration between academia, research institutions, and industry players is essential for sharing knowledge, expertise, and resources. By fostering a collaborative environment, innovative solutions and breakthroughs can be accelerated, leading to faster commercialization and market penetration of perovskite–silicon tandem technology.

Finally, government policies should support and incentivize the adoption of perovskite–silicon tandem panels. Implementing favorable regulations, tax incentives, and subsidies can encourage investment in solar energy projects, making it financially feasible for businesses and individuals to transition to cleaner and more affordable electricity sources.

In conclusion, the recent advancements in perovskite–silicon tandem photovoltaic panels hold immense potential for revolutionizing the solar industry. With their high efficiency, cost-effectiveness, and versatility, these panels have the power to make electricity production cheaper and more accessible for consumers worldwide. By embracing this technology and implementing the necessary measures, we can accelerate the transition to a sustainable energy future.


  1. Nature, Published online: 29 December 2023; doi:10.1038/d41586-023-03882-x