10998
Pt is deposited only at the step edges of HOPG and not on the basal planes , leading to the formation of laterally aligned Pt NWs .
 Chemical: Pt; 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: Pt; Chemical: Pt