Research / 2019 / Article / Fig 6

Review Article

Emerging Devices Based on Two-Dimensional Monolayer Materials for Energy Harvesting

Figure 6

Heterostructures and hybrid devices for energy harvesting. (a, b) Design and performance of an efficient heterogeneous solar cell consisting of a thin layer of WS2 within two layers of graphene. Reproduced with permission from AAAS [96]. (c) Schematic of a heterostructure (graphene/MoS2/graphene) photovoltaic device. Reproduced with permission from AAAS [22]. (d, e) Epitaxial growth of the BST film on monolayer graphene shows a higher thermoelectric performance compared to an individual BST film. Reproduced with permission from Wiley-VCH [97]. (f, g) Structure and output performance of a hybrid nanogenerator that can produce electricity from rain and sun. Reproduced with permission from Wiley-VCH [98].