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  ______   _    _    _    _      ___      ____    
 /_   _// | || | || | \  / ||   / _ \\   |  _ \\  
 `-| |,-  | || | || |  \/  ||  | / \ ||  | |_| || 
   | ||   | \\_/ || | .  . ||  | \_/ ||  | .  //  
   |_||    \____//  |_|\/|_||   \___//   |_|\_\\  
   `-`'     `---`   `-`  `-`    `---`    `-` --`

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Text this: Highly stable multicrown heterostructures of type-II nanoplatelets for ultralow threshold optical gain