Journal
JOURNAL OF MOLECULAR MODELING
Volume 24, Issue 1, Pages -Publisher
SPRINGER
DOI: 10.1007/s00894-017-3542-2
Keywords
PolyeraActivInk (TM) N2200; P3HT; Optical properties; All-polymer bulk heterojunction solar cell
Categories
Funding
- CNPq
- CAPES
- FAP-DF
- FINATEC
- CENAPAD-SP
- Brazilian Research Council FAP-DF [0193.000942/2015]
- Brazilian Research Council FAP-DF grant
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The optical properties of systems composed of the polymers PolyeraActivInk (TM) N2200 and P3HT are experimentally and theoretically investigated using UV-Vis spectroscopy and time-dependent density functional theory calculations, respectively. From a theoretical point of view, we carried out an analysis considering several functionals and model oligomers of different sizes to mimic the polymers. As our studies were performed with and without solvents, a first important result regards the fact that, by considering solvent effects, a better agreement between theoretical and experimental results could be achieved. Our findings also show that an optimally tuned functional is better suited to describe the experimental absorption profile than a hybrid one for the flexible polymer (P3HT). For the almost rigid polymer considered here (N2200), on the other hand, hybrid functionals may perform better than tuned functionals.
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