11884
Heat treatment of the as - spun GONR fibers at 1500 degrees C produced thermally reduced graphene nanoribbon ( trGNR ) fibers with a tensile strength of 378 MPa , Young ' s modulus of 36 . 2 GPa , and electrical conductivity of 285 S / cm , which is considerably higher than that in other reported graphene - derived fibers .
 Chemical: reduced graphene; Chemical: graphene
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: reduced graphene; Chemical: graphene