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

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Text this: Amorphous/crystalline heterostructured cobalt-vanadium-iron (Oxy)hydroxides for highly efficient oxygen evolution reaction