Perovskite-perovskite tandem photovoltaics with optimized band gaps.

GE, Eperon; T, Leijtens; KA, Bush; R, Prasanna; T, Green; JT, Wang; DP, McMeekin; G, Volonakis; RL, Milot; R, May; A, Palmstrom; DJ, Slotcavage; RA, Belisle; JB, Patel; ES, Parrott; RJ, Sutton; W, Ma; F, Moghadam; B, Conings; A, Babayigit; HG, Boyen; S, Bent; F, Giustino; LM, Herz; MB, Johnston; MD, McGehee; HJ, Snaith

doi:10.1126/science.aaf9717

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Perovskite-perovskite tandem photovoltaics with optimized band gaps.

Shared by NobleBlocks on Oct 20, 2016 • 12:00 AM UTC

Authors:

Eperon GE

Leijtens T

Bush KA

Abstract

We demonstrate four- and two-terminal perovskite-perovskite tandem solar cells with ideally matched band gaps. We develop an infrared-absorbing 1.2-electron volt band-gap perovskite, FA0.75Cs0.25Sn0.5Pb0.5I3, that can deliver 14.8% efficiency. B...

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