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2D materials

Stress testing the bulk photovoltaic effect

By applying strain to artificially reduce the crystal symmetry of a non-centrosymmetric two-dimensional material, a very large bulk photovoltaic effect is uncovered with anisotropic properties that reflect its non-linear origins.

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Fig. 1: Conventional photovoltaic and strain-induced bulk photovoltaic effects in a non-centrosymmetric crystal, 3R-MoS2.


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Correspondence to Adam W. Tsen.

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Patel, T., Tsen, A.W. Stress testing the bulk photovoltaic effect. Nat. Nanotechnol. 18, 3–4 (2023).

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