18145
This material is capable of evolving hydrogen under illumination in neutral electrolyte solutions at 0 . 6 V vs . RHE when Pt is added to the surface as an electrocatalyst .
 Chemical: hydrogen; Chemical: Pt
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: hydrogen; Chemical: Pt