12536
Single - walled carbon nanotube / polyaniline / n - silicon solar cells : fabrication , characterization , and performance measurements .
 Chemical: carbon; Chemical: polyaniline; Chemical: silicon
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: carbon; Chemical: polyaniline; Chemical: silicon