18945
The synthesized materials were characterized with different methods such as NMR , IR spectroscopy , TEM , XRD , FESEM , cyclic voltammetry , electrochemical impedance spectroscopy and square wave voltammetry ( SWV ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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