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The process began with modification of the SBA - 15 template with carbon polymers and Pt nanoparticles accompanied by adsorption of W ( 6 + ) , which was then converted into m - Pt - WO3 composites by heat treatment and subsequent template removal .
 Chemical: SBA - 15; Chemical: carbon; Chemical: Pt; Chemical: W ( 6 + ); Chemical: m - Pt - WO3
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: SBA - 15; Chemical: carbon; Chemical: Pt; Chemical: W ( 6 + ); Chemical: m - Pt - WO3