Synthesis of Graft Copolymers and Their Preliminary Use as a Compatibilizer in Polymer Solar Cells
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Author list: Seeponkai N., Wootthikanokkhan J., Thanachayanont C., Thanawan S., Radabutra S., Chuangchote S.
Publisher: Taylor and Francis Group
Publication year: 2014
Journal: International Journal of Polymeric Materials and Polymeric Biomaterials (0091-4037)
Volume number: 63
Issue number: 6
Start page: 302
End page: 309
Number of pages: 8
ISSN: 0091-4037
eISSN: 1563-535X
Languages: English-Great Britain (EN-GB)
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Abstract
Poly(p-xylylene)-graft-poly(butylacrylate-g-fullerene) or PPX-g-PBAFu was synthesized by using Wessling route and atom transfer radical addition (ATRA) techniques. The graft copolymers were used as a compatibilizer in the bulk heterojunction (BHJ) polymer solar cells of poly(3-hexylthiophene) (P3HT) and fullerene (C60). The results from AFM micrographs showed that the phase size of P3HT and the aggregated C60 in the blended system was decreased from 300 to 30 nm after adding the copolymer (20 pph). Furthermore, the efficiencies of the BHJ cells from J-V curve were remarkably increased five times after adding the copolymer. ฉ 2014 Copyright Taylor and Francis Group, LLC.
Keywords
Compatibilizer, Efficiency, Graft copolymer, morphology
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