Researchers use guanidinium thiocyanate to raise perovskite cell efficiency

Researchers have used guanidinium thiocyanate as a chaotropic agent to modulate the crystal growth rate during perovskite crystallization. They compared different concentrations of the guanidinium thiocyanate. Champion device efficiency was 22. 34%. A research team led by scientists from the University College London in the United Kingdom has utilized simple salt to enhance the performance of tin-lead (Sn-Pb) perovskite solar cells. The salt, guanidinium thiocyanate (GASCN), was used as a chaotropic agent that modulated the crystal growth rate during perovskite crystallization. "Our approach provides ...

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