Selenophene based benzodithiophene polymers as potential candidates for optoelectronic applications
- Authors
- Bathula, Chinna; Khadtare, Shubhangi; Buruga, Kezia; Kadam, Abhijit; Shrestha, Nabeen K.; Noh, Yong-Young
- Issue Date
- Feb-2018
- Publisher
- ELSEVIER SCI LTD
- Keywords
- Selenophene; Stiles reaction; Conjugated polymers; Optoelectronics
- Citation
- DYES AND PIGMENTS, v.149, pp.639 - 643
- Journal Title
- DYES AND PIGMENTS
- Volume
- 149
- Start Page
- 639
- End Page
- 643
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/4135
- DOI
- 10.1016/j.dyepig.2017.11.026
- ISSN
- 0143-7208
- Abstract
- This work reports on the synthesis and characterization of two novel conjugated polymers consisting of selenophene substituted benzo[1,2-b:4,5-b']dithiophene (SeBDT) donor, and dithienothiadiazole[3,4-c]pyridine (DTPyT)-P1 or thieno[3,4]pyrroledione(TPD)-P2 acceptors. The synthesized polymers are characterized for the significant photophysical prerequisites essential for organic electronics such as strong and broad optical absorption, thermal stability, and compatible highest occupied molecular orbital (HOMO) and lowest unoccupied molecular orbital (LUMO) levels. The polymers are thermally stable up to 280-370 degrees C, and the optical band gaps for P1, P2 calculated from their film absorption edges are found to be 1.53 and 1.84 eV, respectively. In addition, the electrochemical studies of P1, P2 reveal the HOMO and LUMO energy levels of -5.02,-5.04 eV, and -3.49, -3.20 eV, respectively, suggesting these materials to be potential candidates for the applications in organic electronics.
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