Perovskite solar cell configurations
AssigneeUniversity of Pittsburgh—Of the Commonwealth System of Higher Education
InventorsJung-Kun Lee, Gillsang Han
Life of this patent
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Abstract
Various perovskite solar cell embodiments include a flexible metal substrate (e.g., including a metal doped TiO2 layer), a perovskite layer, and a transparent electrode layer (e.g., including a dielectric/metal/dielectric structure), wherein the perovskite layer is provided between the flexible metal substrate and the transparent electrode layer. Also, various tandem solar cell embodiments including a perovskite solar cell and either a quantum dot solar cell, and organic solar cell or a thin film solar cell.
Claims16
A method of making a perovskite solar cell, comprising:
- providing a Ti foil layer;
- providing a layer of metal on top of the Ti foil layer;
- thermally oxidizing the Ti foil layer and the layer of metal to form a metal doped TiO2 layer;
- and
- providing a perovskite layer on top of the metal doped TiO2 layer.
A tandem solar cell, comprising:
- a thin-film solar cell;
- a first transparent electrode layer including a dielectric/metal/dielectric structure, wherein the first transparent electrode layer is provided on top of the thin-film solar cell;
- a perovskite layer provided on top of the first transparent electrode layer;
- and
- a second transparent electrode layer including a dielectric/metal/dielectric structure, wherein the second transparent electrode layer is provided on top of the thin-film solar cell.
A perovskite solar cell, comprising:
- a substrate;
- a perovskite layer provided on the substrate;
- a hole transport material layer provided on the perovskite layer, wherein the perovskite layer and the hole transport material layer together have a first work function;
- and
- a transparent electrode layer including a dielectric/metal/dielectric structure, wherein the perovskite layer and the hole transport material layer are provided between the substrate and the transparent electrode layer, wherein the dielectric/metal/dielectric structure has a second work function, and wherein the second work function matches the first work function.
A method of making a perovskite solar cell including a perovskite layer, a hole transport material layer and a transparent electrode layer including a dielectric/metal/dielectric structure, wherein the perovskite layer and the hole transport material layer together have a first work function, the method comprising:
- selecting dielectric and metal materials for the dielectric/metal/dielectric structure so that the dielectric/metal/dielectric structure has a second work function that matches the first work function;
- providing a substrate;
- providing the perovskite layer and the hole transport material layer on the substrate;
- and
- providing the transparent electrode layer on the perovskite layer and the hole transport material layer such that the perovskite layer and the hole transport material layer are provided between the substrate and the transparent electrode layer.
A method of making metal doped TiO2, comprising:
- providing a Ti foil layer;
- providing a layer of metal on top of the Ti foil layer;
- and
- thermally oxidizing the Ti foil layer and the layer of metal to form a metal doped TiO2 layer.
Dependencies are inferred from the claim text.