16090
BaSnO3 perovskite nanoparticles for high efficiency dye - sensitized solar cells .
 Chemical: BaSnO3; Chemical: perovskite
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: BaSnO3; Chemical: perovskite