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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