science1 publisher
Graphene oxide beneath the monolayer lifts HZB's all-perovskite triple junction to 27.3%
The buried interface beneath the tin-lead bottom cell has capped these stacks for years, and HZB's answer is a graphene oxide sheet that makes a monolayer contact behave itself, with the single-junction control carrying most of the evidence.
Publishers:physicsworld.com
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