Large-area perovskite film and perovskite solar cell or module and fabrication method thereof
AssigneeNational Central University
InventorsChun-Guey WU, Chien-Hung CHIANG
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Abstract
A method of fabricating a large-area perovskite film includes steps of: providing a precursor solution on a conductive substrate to form a film, wherein the perovskite is represented by a formula of ABX3, and the solutes of the precursor solution at least comprises A, B and X; and applying an anti-solvent or Infrared light on the film. The fabrication methods of a large-area perovskite film and a perovskite solar cell or module are also disclosed.
Claims17
A method of fabricating a perovskite film, comprising steps of:
- providing a precursor solution on a conductive substrate by slot die coating to form a film, wherein a perovskite is represented by a formula of ABX3, and solutes of the precursor solution at least comprises A, B and X;
- and
- immersing the film in an anti-solvent so as to form the perovskite film;
- wherein perovskite crystals of the perovskite film are continuously and evenly distributed on the conductive substrate, and areas of the perovskite film and the conductive substrate are 5˜10000 cm2.
A method of fabricating a perovskite film, comprising steps of:
- providing a precursor solution on a conductive substrate by slot die coating to form a film, wherein a perovskite is represented by a formula of ABX3, and solutes of the precursor solution at least comprises A, B and X;
- and
- irradiating an Infrared light on the film so as to form the perovskite film;
- wherein perovskite crystals of the perovskite film are continuously and evenly distributed on the conductive substrate, and areas of the perovskite film and the conductive substrate are 5˜10000 cm2.
A method of fabricating a perovskite solar cell or module, comprising steps of:
- providing a conductive substrate;
- forming a first carrier transporting layer on the conductive substrate;
- providing a precursor solution on the first carrier transporting layer by slot die coating to form a film, wherein a perovskite is represented by a formula of ABX3, and solutes of the precursor solution at least comprises A, B and X;
- immersing the film in an anti-solvent or irradiated with Infrared light;
- transforming the film into a perovskite film;
- annealing the film to grow bigger perovskite grains;
- forming a second carrier transporting layer on the perovskite film;
- and
- forming an electrode layer on the second carrier transporting layer;
- wherein perovskite crystals of the perovskite film are continuously and evenly distributed on the conductive substrate, and areas of the perovskite film and the conductive substrate are 5˜10000 cm2.
A perovskite solar cell or module, comprising:
- a conductive substrate having an area ranged from 5 cm2 to 10000 cm2;
- a first carrier transporting layer deposited on the conductive substrate;
- a perovskite film having a continuous and homogeneous morphology, wherein an area of the film is greater than 5 cm2;
- a second carrier transporting layer deposited on the perovskite film;
- and
- an electrode layer deposited on the second carrier transporting layer.
Dependencies are inferred from the claim text.