Correction to: Nature Reviews Materials https://doi.org/10.1038/s41578-022-00459-4, published online 4 August 2022.

In the version of this article initially published, in Fig. 4a, the top-left purple data point (~28% on the EQE y axis) appeared as an open square rather than a filled square, as it is now presented in the HTML and PDF versions of the article.

figure 1