The close collaboration between researchers at France's National Solar Energy Institute (INES) – a division of the French Alternative Energies and Atomic Energy Commission (CEA) - and 3SUN has reportedly yielded a certified efficiency record for a perovskite-on-silicon tandem photovoltaic cell measuring 9 cm² after shading correction.

The team explained that most of the efficiency records published internationally relate to a surface area of 1 cm². They said that the surface is a real challenge that they are addressing in their developments. This result marks a new stage in the development of PIN-type 2-terminal tandem cells. The progress is evident, with 26.5% in March 2023, then 27.1% in June 2023, 28.4% in December 2023, 28.7% last June and now 29.8%, for devices showing a Voc greater than 1900 mV.

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Reliance Industries, which owns 20% of perovskite solar developer Caelux, has updated that in addition to developing first-generation bifacial solar panels using indigenized HJT technology, it is also working on perovskites and back-contact HJT-IBC, which it expects to commercialize within the next two years.

Mukesh D Ambani, chairman and managing director of Reliance Industries recently said that Reliance will commence the production of its solar photovoltaic (PV) modules by the end of this year. In the following quarters, the group will complete the first phase of its integrated solar production facilities including modules, cells, glass, wafer, ingot, and polysilicon, with an initial annual capacity of 10 GW. The giga-factory is designed for modular expansion and can be expanded to 20 GW at minimal cost and shortest time possible.

Researchers from Seoul National University, University of Pennsylvania, Weizmann Institute of Science and Korea Basic Science Institute (KBSI) recently reported an advancement in the development of ultra-high efficiency perovskite nanocrystal light-emitting diodes (LEDs). Their work involved reinforcing the perovskite lattice and mitigating the material's natural low-frequency dynamics. 

The team identified a critical challenge in the reduction of luminescence efficiency due to the ionic nature of perovskite. The weak ionic bonds in perovskite materials can cause large-amplitude displacement of atoms within the crystal lattice, resulting in dynamic disorder that interferes with the radiative recombination process, leading to exciton dissociation and decreased luminescence efficiency. Addressing this issue, however, has been underexplored until now. The team proposed a novel mechanism to enhance the luminescence efficiency of perovskite emitters by incorporating conjugated molecular multipods (CMMs). These CMMs bind to the perovskite lattice, strengthening it and reducing dynamic disorder, which in turn improves the luminescence efficiency.