Abstract
A solution‐based electrochemically driven molecular intercalation exfoliation has been developed by Cho et al., to produce wafer‐scale films of platinum diselenide (PtSe2) with layer‐dependent controlled electronic properties. Semiconducting or semimetallic PtSe2 nanosheets were separated using centrifugation‐based thickness classification. Semiconducting nanosheets were used to fabricate gate‐tunable photodetector arrays for visible and near‐infrared light, and semimetallic films served as catalytic electrodes for long‐term stable water splitting. image
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