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

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Text this: Enhanced visible-light photocatalytic activity of g-C<inf>3</inf>N<inf>4</inf>/TiO<inf>2</inf>films