Nature Communications 8: Article number: 14350 (2017); Published: 8 February 2017; Updated: 25 May 2017

The original version of this Article contained a typographical error in the first sentence of the abstract in which ‘Shockley-Queisser’ was incorrectly given as ‘Schottky-Queisser’. This has now been corrected in both the PDF and HTML versions of the Article.