Variation of the Side Chain Branch Position Leads to Vastly Improved Molecular Weight and OPV Performance in 4,8-dialkoxybenzo[1,2-b:4,5-b′]dithiophene/2,1,3-benzothiadiazole Copolymers

<table>(a) Integrated powder diffraction patterns for <b>P1</b> (black), <b>P2</b> (blue), and <b>P3</b> (red). Inset: 10 frames added together for <b>P3</b>. (b) Model of packing for <b>P3</b>.</table>

Journal of Nanotechnology

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Figure 4

Figure 4: Variation of the Side Chain Branch Position Leads to Vastly Improved Molecular Weight and OPV Performance in 4,8-dialkoxybenzo[1,2-b:4,5-b′]dithiophene/2,1,3-benzothiadiazole Copolymers 

Figure 4 | Variation of the Side Chain Branch Position Leads to Vastly Improved Molecular Weight and OPV Performance in 4,8-dialkoxybenzo[1,2-b:4,5-b′]dithiophene/2,1,3-benzothiadiazole Copolymers 