19037
In this paper , a unique nanostructured anode with Si nanoparticles bonded and wrapped by graphene is synthesized by a one - step aerosol spraying of surface - modified Si nanoparticles and graphene oxide suspension .
 Chemical: Si; Chemical: graphene; Chemical: Si; Chemical: graphene oxide
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: Si, graphene, Si, graphene oxide 
Answer:
 Chemical: Si; Chemical: graphene; Chemical: Si; Chemical: graphene oxide