Novel benzodithiophene type low band gap polymer solar cell application and device stability study with atomic layer deposition encapsulation technique

Date

2019-10-01

Author

Turkmen, Tulin Ate
Ozturk, Soner
Çırpan, Ali
YERLİ, Yusuf
Aslan, Emre
Mucur, Selin Piravadili
Parlak, Elif Alturk

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Novel benzodithiophene type copolymer was synthesized through a solvent evaporation technique. Poly(5-(5-(4, 8-bis((2-ethylhexyl)oxy)benzo[1,2-b:4, 5-b']dithiophen-2-yl)thiophen-2-yl)-2, 3-bis(3, 4-bis(decyloxy)phenyl)-8-(thiophen-2-yl) quinoxaline) (P-TQTBDT) solar cells were encapsulated with conventional and Atomic Layer Deposition (ALD) techniques. Characterizations of the samples were carried out via nuclear magnetic resonance (NMR), gel permeation chromotagraphy (GPC) and cyclic voltammetry (CV) techniques. Stability studies were carried out both P3HT and P-TQTBDT solar cells for comparison of commercial P3HT and our novel polymer solar cell. Our results confirm that ALD is a promising technique for encapsulation of polymer solar cell since stability of P-TQTBDT improved to 72% durability from 38% durability with ALD encapsulation technique during 300 h under AM1.5 Gsolar irradiation. P-TQTBDT solar cell showed higher stability (about 10%) than P3HT solar cell for both encapsulation methods. We focused on the stability of polymer solar cell can be improved with ALD encapsulation technique. Our aim was to compare P-TQTBDT polymer solar cell with P3HT solar cell. The stability results of P-TQTBDT showed that P-TQTBDT copolymer could be promising polymer to obtain very high stability of polymer solar cells.

Subject Keywords

Electronic, Optical and Magnetic Materials, Surfaces, Coatings and Films, Polymers and Plastics, Metals and Alloys, Biomaterials

URI

https://hdl.handle.net/11511/43432

Journal

MATERIALS RESEARCH EXPRESS

DOI

https://doi.org/10.1088/2053-1591/ab42a3

Collections

Department of Chemistry, Article

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Citation Formats

T. A. Turkmen et al., “Novel benzodithiophene type low band gap polymer solar cell application and device stability study with atomic layer deposition encapsulation technique,” MATERIALS RESEARCH EXPRESS, pp. 0–0, 2019, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/43432.