Perovskite: new type of solar technology paves the way for abundant, cheap and printable cells
We have developed the world’s first rollable and fully printable solar cell made from
- We have developed the world’s first rollable and fully printable solar cell made from
perovskite, a material that is much less expensive to produce than silicon. - The silicon solar cells that are so recognisable to us have a significant limitation.
- In research labs, using highly controlled production methods in environments where oxygen and water are completely removed, perovskite solar cells can now match the electricity generation of silicon solar cells.
- But cheap perovskite solar cells that do away with silicon have yet to be manufactured on a commercial scale.
How our solar cell works
- In the past, this had been achieved by heating gold in a vacuum until it evaporated, and catching the vapour on the perovskite solar cell to form electrodes.
- The result is large volumes of flexible, rollable solar cells that come out of the printing press ready to generate power.
More work needed
- The 10% power conversion efficiency achieved by these rollable printed cells is useful, and higher than the first commercial silicon panels.
- There is an engineering challenge to overcome in order that high-volume, commercially produced perovskite solar panels can match the energy generation of silicon.
- But the possibility of producing hundreds of thousands of square metres of flexible perovskite solar cells is now a step closer.