Poly(3-hexyl thiophene)-b-fullerene functionalized polystyrene copolymers (P3HT-b-PSFu) as compatibilizer in P3HT/Phenyl-C61-butyric acid methyl ester (PCBM) solar cells
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Author list: Rattanathamwat N., Wootthikanokkhan J., Nimitsiriwat N., Thanachayanont C., Asawapirom U., Keawprajak A.
Publisher: Taylor and Francis Group
Publication year: 2014
Journal: International Journal of Polymeric Materials and Polymeric Biomaterials (0091-4037)
Volume number: 63
Issue number: 9
Start page: 448
End page: 455
Number of pages: 8
ISSN: 0091-4037
eISSN: 1563-535X
Languages: English-Great Britain (EN-GB)
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Abstract
Poly(3-hexyl thiophene)-fullerene functionalized polystyrene block copolymers (P3HT-b-PSFu) with a variety of block lengths and compositions were synthesized by reacting P3HT macroinitiator with styrene and chloromethyl styrene via an atom transfer radical polymerization. After that, the prepared copolymers were reacted with C60 via an atom transfer radical addition to obtain P3HT-b-PSFu. Chemical structures and molecular weights of the products were characterized by1H-NMR, FTIR, and GPC, respectively. Next, the various P3HT-b-PSFu copolymers were added to P3HT/PCBM bulk heterojunction (BHJ) polymer solar cell. It was found that efficiency increased from 0.52% to the maximum value of 1.23%, after adding the copolymers. ฉ 2014 Copyright Taylor and Francis Group, LLC.
Keywords
poly(3-hexyl thiophene), polymer solar cell
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