20085
Using this method , 250 mg of Zn3P2 nanowires were obtained on 480 cm ( 2 ) of zinc foil in a span of 45 minutes .
 Chemical: Zn3P2; Chemical: zinc
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: Zn3P2; Chemical: zinc