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  ______     ___      ____      _____     ____    
 /_   _//   / _ \\   |  _ \\   |  ___||  |  _ \\  
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   `-`'     `---`    `-` --`   `-----`   `-` --`

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Text this: Efficient and ambient-air-stable solar cell with highly oriented 2D@3D perovskites