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  _  __    ______  __    __   _    _    _____    
 | |/ //  /_   _// \ \\ / // | || | || |  __ \\  
 | ' //    -| ||-   \ \/ //  | || | || | |  \ || 
 | . \\    _| ||_    \  //   | \\_/ || | |__/ || 
 |_|\_\\  /_____//    \//     \____//  |_____//  
 `-` --`  `-----`      `       `---`    -----`

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Text this: Enhanced photocatalytic degradation of methylene blue by a direct Z-scheme Bi<inf>2</inf>S<inf>3</inf>/ZnIn<inf>2</inf>S<inf>4</inf> photocatalyst