2D Materials: Single Atomically Sharp Lateral Monolayer p-n Heterojunction Solar Cells with Extraordinarily High Power Conversion Efficiency (Adv. Mater. 32/2017)

An alloy-free 2D monolayer WSe₂-MoS₂ lateral p-n heterojunction solar cell is demonstrated to exhibit an extraordinary power conversion efficiency of 2.56%, with excellent omnidirectional light harvesting behavior, by Lih-Juann Chen, Jr-Hau He and co-workers in article number 1701168. Temperature-dependent characteristics are analyzed and the electrode spacing is optimized to achieve gate-tuning controllability and environmentindependent cell properties.

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