PHOTOVOLTAIC CELLS
First Claim
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1. A photovoltaic cell comprising a two-dimensional graphene heterostructure.
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Abstract
This invention relates to cells and devices for harvesting light. Specifically the cell comprises at least one electrode which comprises graphene or modified graphene and layer of a transition metal dichalcogenide in a vertical heterostructure. The cell may be part of a light harvesting device. The invention also relates to materials and methods for making such cells and devices.
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Citations
20 Claims
- 1. A photovoltaic cell comprising a two-dimensional graphene heterostructure.
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16. A heterostructure comprising:
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a first layer which comprises graphene or modified graphene (e.g. doped graphene); one or more layers comprising WS2; a second layer which comprises graphene or modified graphene (e.g. doped graphene); wherein the layers are stacked sequentially to form a laminate structure and the or each layer of WS2 is situated between the first and the second graphene layer. - View Dependent Claims (17, 18, 19)
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20. A use of a two dimensional graphene heterostructure in a photovoltaic cell or device.
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