Researchers observe enhanced bulk photovoltaic effect in 2D ferroelectric material

Bulk photovoltaic effect (BPVE) is widely used in generating electricity. As a process of energy transference from photons to electrons and of voltage formation within ferroelectric material, BPVE acts like a dam, raising up “water” (voltage) to generate “power” (electric currents). Researchers have realized high photovoltage beyond theoretical Shockley-Queisser (SQ) limit in previous studies, however, the density of photocurrent generated through conventional methods remains relatively low.

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