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|標題:||Conjugated polymer-functionalized carbon nanotubes enhance the photovoltaic properties of polymer solar cells||作者:||Lee, Rong-Ho
|關鍵字:||Conjugated polymer-functionalized carbon nanotube;Maleimide-thiophene copolymer;Photovoltaic property;Polymer solar cell||出版社:||Springer-Verlag||Project:||Colloid and Polymer Science, Volume 289, Issue 15-16, Page(s) 1633-1641.||摘要:||
In this study, we fabricated a series of polymer solar cells (PSCs) incorporating blends of the maleimide-thiophene copolymer PTM10, multi-walled carbon nanotubes (MWCNTs) functionalized with the 2-hydroxyethyl-presenting maleimide-thiophene copolymer PTM21-OH (PTM21-CNT), and the fullerene derivative [6,6]-phenyl-C(61)-butyric acid methyl ester (PCBM) in various weight ratios. PTM21-CNT behaved as an efficient compatibilizer for PTM10 and PCBM and as a charge transport assister when incorporated in the photoactive layers of the PSCs. The energy levels of the lowest unoccupied molecular orbitals and highest occupied molecular orbitals in thin films of PTM10/PTM21-CNT/PCBM blends decreased upon increasing the PTM21-CNT content. The photovoltaic performance of PSCs incorporating the PTM10/PTM21-CNT/PCBM blends increased upon increasing the PTM21-CNT content, presumably because of the high charge-transporting capacity of the MWCNTs. The highest short-circuit current density and photo-energy conversion efficiency were enhanced by approximately 26% and 27%, respectively, relative to those of the PSC without the incorporation PTM21-CNT.
|Appears in Collections:||化學工程學系所|
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