15499
Carbon nanotubes ( CNTs ) are a promising material for flexible electronics , both as the channel material in field - effect transistors ( FETs ) and as transparent electrodes , due to their high intrinsic carrier mobility , conductivity , and mechanical flexibility .
 Chemical: Carbon
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: Carbon