19092
Three - dimensional finite - difference time domain ( 3D - FDTD ) simulations were conducted to map out the electromagnetic field around the Cu2O nanospheres .
 Chemical: Cu2O
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: Cu2O