Slightly better discussion links: http://news.columbia.edu/content/Columbia-Chemists-Find-Key-to-Manufacturing-More-Efficient-Solar-Cells http://news.columbia.

Slightly better discussion links: http://news.columbia.edu/content/Columbia-Chemists-Find-Key-to-Manufacturing-More-Efficient-Solar-Cells http://news.columbia.edu/content/Columbia-Chemists-Find-Key-... http://science.sciencemag.org/content/353/6306/1365.full http://science.sciencemag.org/content/353/6306/1365.full