Structure-Property Relationship, Glass Transition, and Crystallization Behaviors of Conjugated Polymers.

Based on the effect of the steric hindrance, it can be observed their glass transition temperatures show a decreasing trend from high to low, poly(3-(2′-ethylbutyl)thiophene) P3(2EB)T > poly(3-(3′-methylpentyl)thiophene) P3(3MP)T > P3(4MP)T > poly(3-(2′-methylpentyl)thiophene) P3(2MP)T, as shown in Table 1 [ 45 , 77 , 78 , 79 , 80 ]. 3.4.2.

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