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Chemistry of Materials
solution processability, high mobility, and high thermal durabil-
ity. Adv. Mater. 2013, 25, 6392–6397.
by X-ray diffraction. Ambipolar behavior in the LT phase
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is considered to be caused by the presence of ionic pairs
in the crystal from the optical measurements. The ionic
pair became the trap site in the high-temperature region,
while it was involved in carrier transport in the low-
temperature region.
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Nakayama, K.; Hirose, Y.; Soeda, J.; Yoshizumi, M.;
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Y.; Miyazaki, E.; Nakazawa, Y.; Nakao, A.; Takimiya, K.; Takeya,
J. Patternable solution-crystallized organic transistors with high
charge carrier mobility. Adv. Mater. 2011, 23, 1626–1629.
(9)
Minemawari, H.; Yamada, T.; Matsui, H.; Tsutsumi, J.;
This work showed that molecular dynamics in crystals
can induce drastic changes in device properties. This
work also showed that transport characteristics can be
used to determine the change of molecular overlap and
electronic structure. A detailed study of the FET charac-
teristics is useful for both device design and investigation
of the electronic structure or molecular dynamics.
Haas, S.; Chiba, R.; Kumai, R.; Hasegawa, T. Inkjet printing of
single-crystal films. Nature 2011, 475, 364–367.
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Giri, G.; Verploegen, E.; Mannsfeld, S. C. B.; Atahan-
Evrenk, S.; Kim, D. H.; Lee, S. Y.; Becerril, H. A.; Aspuru-Guzik,
A.; Toney, M. F.; Bao, Z. Tuning charge transport in solution-
sheared organic semiconductors using lattice strain. Nature 2011,
480, 504–508.
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Yuan, Y.; Giri, G.; Ayzner, A. L.; Zoombelt, A. P.;
ASSOCIATED CONTENT
Mannsfeld, S. C. B.; Chen, J.; Nordlund, D.; Toney, M. F.; Huang,
J.; Bao, Z. Ultra-high mobility transparent organic thin film tran-
sistors grown by an off-centre spin-coating method. Nat. Com-
mun. 2014, 5, 3005.
Supporting Information
Band calculation; CIF files. This information is available free
(12)
Diao, Y.; Tee, B. C.-K.; Giri, G.; Xu, J.; Kim, D. H.;
Becerril, H. a; Stoltenberg, R. M.; Lee, T. H.; Xue, G.; Mannsfeld,
S. C. B.; Bao, Z. Solution coating of large-area organic semicon-
ductor thin films with aligned single-crystalline domains. Nat.
Mater. 2013, 12, 665–671.
AUTHOR INFORMATION
Corresponding Author
*E-mail: y-taka@sci.hokudai.ac.jp
*E-mail: inabe@sci.hokudai.ac.jp
Notes
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Mitsui, C.; Okamoto, T.; Matsui, H.; Yamagishi, M.;
Matsushita, T.; Soeda, J.; Miwa, K.; Sato, H.; Yamano, A.; Uemu-
ra, T.; Takeya, J. Dinaphtho[1,2-b:2',1'-d]chalcogenophenes: Com-
prehensive Investigation of the Effect of the Chalcogen Atoms in
the Phenacene-Type π-Electronic Cores. Chem. Mater. 2013, 25,
3952–3956.
The authors declare no competing financial interest.
ACKNOWLEDGMENT
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McGarry, K. A.; Xie, W.; Sutton, C.; Risko, C.; Wu, Y.;
The authors thank Profs. Y. Hinatsu and M. Wakeshima at
Hokkaido University for the use of the magnetic susceptome-
ter, and Prof. S. Takeda and Mr. J. Okamoto at Hokkaido
University for help with the DSC measurements. This work
was supported in part by a Grant-in-Aid for Scientific Re-
search, Japan Society for the Promotion of Science (JSPS)
KAKENHI (No. 26288029) and by the JSPS Core-to-Core Pro-
gram A, Advanced Research Networks.
Young, V. G.; Brédas, J.-L.; Frisbie, C. D.; Douglas, C. J. Rubrene-
Based Single-Crystal Organic Semiconductors: Synthesis, Elec-
tronic Structure, and Charge-Transport Properties. Chem. Mater.
2013, 25, 2254–2263.
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Takahashi, Y.; Hasegawa, T.; Horiuchi, S.; Kumai, R.;
Tokura, Y.; Saito, G. High Mobility Organic Field-Effect Transis-
tor Based on Hexamethylenetetrathiafulvalene with Organic
Metal Electrodes. Chem. Mater. 2007, 19, 6382–6384.
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Takeya, J.; Yamagishi, M.; Tominari, Y.; Hirahara, R.;
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