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

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Text this: Surface composition of MAPb(I <inf>x</inf> Br <inf>1−x</inf> ) <inf>3</inf> (0 ≤ x ≤ 1) organic-inorganic mixed-halide perovskites

Text this: Surface composition of MAPb(I <inf>x</inf> Br <inf>1−x</inf> ) <inf>3</inf> (0 ≤ x ≤ 1) organic-inorganic mixed-halide perovskites