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From: Direct Z-scheme photocatalytic systems based on vdW heterostructures for water splitting and CO₂ reduction: fundamentals and recent advances

Direct Z-scheme photocatalytic systems based on vdW heterostructures for water splitting and CO<sub>2</sub> reduction: fundamentals and recent advances

Figure 11. Two different stacking configurations are used in the construction of the α-In₂Se₃/arsenene vdW heterostructures because the α-In₂Se₃ layer has a different ferroelectric polarisation orientation, where A, B and C belong to Configuration I and D, E and F belong to Configuration II. The spontaneous out-of-plane electrode polarisation P in Configuration II points in the arsenene direction, whereas P in Configuration I points in the opposite direction. (Reproduced with permission^[65]. Copyright 2022, Elsevier).

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Committee on Publication Ethics

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