Title Page
Contents
1. Abstract 8
2. Introduction 9
3. Experimental Section 12
3.1. Set-up of continuous flow reactor 12
3.2. Materials 13
3.3. Characterization 17
4. Results & Discussions section 18
4.1. Material Synthesis 18
5. Conclusion 29
6. Supporting Information 30
7. Reference 34
Table 1. Molecular Weight of block copolymers in batch reactor using tetrakis as a catalyst. 19
Table 2. Molecular Weight of block copolymers in flow reactor using tetrakis as a catalyst. 20
Table 3. Molecular Weight of block copolymers in flow reactor using the mixture of Pd₂(dba)₃ and P(o-tolyl)₃ as a catalyst. 22
Table 4. Molecular Weight of P3HT-b-PTB7 in flow reactor varying the catalyst concentration using the mixture of Pd₂(dba)₃ and P(o-tolyl)₃ as a catalyst. 23
Table 5. Molecular Weight of P3HT-b-PNDIT in flow reactor varying the catalyst concentration using the mixture of Pd₂(dba)₃ and P(o-tolyl)₃ as a catalyst. 24
Figure 1. Schematic diagram of continuous flow reactor. 12
Figure 2. Normalized GPC graph of (a) P3HT-b-PTB7 and (b) P3HT-b-PNDIT in batch reactor using tetrakis as a catalyst. 19
Figure 3. Normalized GPC graph of (a) P3HT-b-PTB7 (b) P3HT-b-PNDIT in flow reactor using tetrakis as a catalyst. 20
Figure 4. Normalized GPC graph of (a) P3HT-b-PTB7 (b) P3HT-b-PNDIT in flow reactor using the mixture of Pd₂(dba)₃ and P(o-tolyl)₃ as a catalyst. 22
Figure 5. Normalized GPC graph of (a) P3HT-b-PTB7 (b) P3HT-b-PNDIT varying the catalyst concentration in flow reactor using the mixture of Pd₂(dba)₃ and P(o-tolyl)₃ as a catalyst. 23
Figure 6. Normalized GPC graph of (a) P3HT-b-PTB7 (b) P3HT-b-PNDIT varying the reaction time in flow reactor using the mixture of Pd₂(dba)₃ and P(o-tolyl)₃ as a catalyst. 25
Figure 7. Normalized GPC graph of (a) P3HT-b-PTB7 (b) P3HT-b-PNDIT varying the temperature in flow reactor using the mixture of Pd₂(dba)₃ and P(o-tolyl)₃ as a catalyst. 26
Figure 8. UV-vis absorption spectra of (a) P3HT-b-PTB7 (b) P3HT-b-PNDIT varying the reaction time in flow reactor using the mixture of Pd₂(dba)₃ and P(o-tolyl)₃ as a catalyst. 27
Figure S1. ¹H NMR spectrum of 2,5-bis(trimethylstannyl)thiophene 30
Figure S2. ¹H NMR spectrum of P3HT-Br 30
Figure S3. ¹H NMR spectrum of P3HT-b-PTB7 31
Figure S4. ¹H NMR spectrum of P3HT-b-PNDIT 31
Figure S5. Normalized GPC graph of P3HT-b-PNDIT varying the reaction time in flow reactor using the mixture of Pd₂(dba)₃ and P(o-tolyl)₃ as a catalyst. 32
Figure S6. The differential scanning calorimetry (DSC) graphs of (a) P3HT-b-PTB7 (b) P3HT-b-PNDIT (c) PTB7 homopolymer (d) PNDIT homopolymer and (e) P3HT... 33
Scheme 1. Synthesis of monomers, P3HT-Br and 2,5-bis(trimethylstannyl)thiophene 18
Scheme 2. Pd-catalyzed Stille polycondensation of P3HT-b-PTB7 and P3HT-b-PNDIT 18