16448
Model Pt ( n ) / glassy carbon electrodes ( Pt ( n ) / GCE ) were prepared by deposition of mass - selected Pt ( n ) ( + ) ( n <= 11 ) on GCE substrates in ultrahigh vacuum .
 Chemical: Pt ( n ); Chemical: glassy carbon; Chemical: Pt ( n ); Chemical: Pt ( n ) ( + )
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: Pt ( n ); Chemical: glassy carbon; Chemical: Pt ( n ); Chemical: Pt ( n ) ( + )