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            _____     ______   _    _    ______   
    ___    |  ___||  /_   _// | || | || |      \\ 
   /   ||  | ||__    `-| |,-  | || | || |  --  // 
  | [] ||  | ||__      | ||   | \\_/ || |  --  \\ 
   \__ ||  |_____||    |_||    \____//  |______// 
    -|_||  `-----`     `-`'     `---`   `------`  
     `-`

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Text this: Embedded organic hetero-junction and negative-differential-resistance photocurrent based on bias-assisted natural-drying of organic drops