2750
In contrast , at probe wavevectors where the lower hybrid state is predominantly excitonic , the dynamics are similar to that measured for CdSe NQDs on glass .
 Chemical: CdSe
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: CdSe