17877
The relationship between the composition , structure , and property was systematically investigated by the combination of X - ray photoelectron spectroscopy ( XPS ) , inductively coupled plasma atomic emission ( ICP ) , and the photoluminescence ( PL ) measurements .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None