11800
The PL photon energy obtained from as - prepared samples decreased by 0 . 1 - 0 . 3 eV , while the PL excitation ( PLE ) extended from 360 nm ( octyl - capped Si QDs ) to 400 nm ( 2 - phenylvinyl - capped Si QDs ) .
 Chemical: octyl; Chemical: Si; Chemical: 2 - phenylvinyl; Chemical: Si
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: octyl; Chemical: Si; Chemical: 2 - phenylvinyl; Chemical: Si