17879
The PL property was further polished , and the QY was improved to ~ 80 % through the variance of the prepared conditions such as the ratio of ligand to metal ion and HTe ( - ) to metal ion , pH value , and temperature .
 Chemical: HTe ( - )
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: HTe ( - )