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The researchers stacked a perovskite solar cell and a silicon solar cell to create a dual-junction half-cell, providing an ideal base for the attachment of the cyanate-integrated perovskite solar cell.

The PVPA-based cell also delivered almost twice the discharging capacity compared to the PAA-based cell after 200 cycles, with the PVPA-based half-cell achieving 1300 mAhg-1SiO after the same cycle count.

But either, alone, would have been but an incomplete and valueless thing, had it not become united with the complementary half-cell required to complete it structurally, and to engender and energise its potentialities.

I prepare boxes with a bed of fresh, sifted earth to receive the larvae and the pupae, which I lodge each in a sort of half-cell formed by the imprint of my finger.