21588
An efficient evaporation - induced coating method combining microwave - assisted hydrothermal transformation and annealing is developed to fabricate an ideal electrode material from composites with a layer of hydrous RuO2 on mesoporous silica nanoparticles ( MSNs ) , for a high - performance supercapacitor .
 Chemical: hydrous RuO2; Chemical: silica
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: hydrous RuO2; Chemical: silica