665637 external_news 1675914202 1675914202 ‘What they describe here is something that a lot of groups, including mine, have been doing for the past four or five years – that is putting an organic material on top of the perovskite to stand between it and the electron-selective contact … but the result is quite spectacular,’ says materials scientist Juan-Pablo Correa-Baena of Georgia Tech in Atlanta, who works on p-i-n solar cells.

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