8393
A complete electronic band alignment at the graphene / SiO ( 2 ) / Si interfaces is accurately established .
 Chemical: graphene; Chemical: SiO ( 2 ); 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: graphene; Chemical: SiO ( 2 ); Chemical: Si