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Physical Chemistry Chemical Physics
Page 10 of 11
DOI: 10.1039/C6CP08078B
ARTICLE
The thickness of the vacuum-evaporated layers ranged
Journal Name
8
a) M. Reig, J. Puigdollers and D. Velasco, J. Mater. Chem. C,
2015, , 506; b) A. Tomkeviciene, J. V. Grazulevicius, D.
Volyniuk, V. Jankauskas and G. Sini, Phys. Chem. Chem. Phys.,
2014, 16, 13932; c) N. Drolet, J.-F. Morin, N. Leclerc, S.
3
from 0.8 to 5.0 µm that corresponds to the distance between
the electrodes. The possible quantity of charge hopping, which
means how many times carriers must hop in order to reach
across the whole film thickness, was estimated to be 104±1
considering the distances between the neighbouring donor-
donor (D–D) and acceptor-acceptor (A–A) moieties determined
from the crystal structures (Table S3† in the ESI). Taking into
account this data, the probability cut off was proposed of 10-5
for the charge mobility calculations.
Wakim, Y. Tao and M. Leclerc, Adv. Funct. Mater., 2005, 15
1671.
,
9
J.-F. Morin, M. Leclerc, D. Adès and A. Siove, Macromol.
Rapid. Commun., 2005, 26, 761.
10 a) M. Reig, C. Gozálvez, R. Bujaldón, G. Bagdziunas, K.
Ivaniuk, N. Kostiv, D. Volyniuk, J. V. Grazulevicius and D.
Velasco, Dyes Pigm., 2017, 137, 24; b) M. Reig, C. Gozálvez,
V. Jankauskas, V. Gaidelis, J. V. Grazulevicius, L. Fajarí, L. Juliá
and D. Velasco, Chem. Eur. J., 2016, 22, 18551; c) A.
Tomkeviciene, J. V. Grazulevicius, K. Kazlauskas, A. Gruodis,
S. Jursenas, T.-H. Ke and C.-C. Wu, J. Phys. Chem. C, 2011,
115, 4887.
The final drift mobility (μ) was calculated according to the
Einstein equation (8) using the single-step approximation:
ꢝ·꣄
μ ꢃ
(8)
11 a) D.-Y. Goo and S. K. Woo, Org. Biomol. Chem., 2016, 14
,
ꢓꢔ
ꢕ
122; b) V. Arun, P. O. V. Reddy, M. Pilania and D. Kumar, Eur.
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All DFT calculations were done with the Spartan’14
program in vacuum and at 298K.38
12 G. Bubniene, T. Malinauskas, M. Daskeviciene, V. Jankauskas
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13 H. Bässler, Phys. Stat. Sol. B, 1993, 175, 15.
14 V. I. Arkhipov, I. I. Fishchuk, A. Kadashchuk and H. Bässler, in
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15 V. Mimaite, J.V. Grazulevicius, R. Laurinaviciute, D. Volyniuk,
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Acknowledgements
Financial support from the Ministerio de Economía
Competitividad (CTQ2015-65770-P MINECO/FEDER)
y
is
gratefully acknowledged. This work was also partially
supported by H2020-ICT-2014/H2020-ICT-2014-1 project
PHEBE (grant agreement No 641725).
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