7843
Three - Dimensional CdS - Titanate Composite Nanomaterials for Enhanced Visible - Light - Driven Hydrogen Evolution .
 Chemical: CdS; Chemical: Titanate; Chemical: Hydrogen
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: CdS; Chemical: Titanate; Chemical: Hydrogen