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Itaru Osaka
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Thienoacene‐based organic semiconductors
K Takimiya, S Shinamura, I Osaka, E Miyazaki
Advanced Materials 23 (38), 4347-4370, 2011
9792011
Advances in molecular design and synthesis of regioregular polythiophenes
I Osaka, RD McCullough
Accounts of chemical research 41 (9), 1202-1214, 2008
9182008
Efficient inverted polymer solar cells employing favourable molecular orientation
V Vohra, K Kawashima, T Kakara, T Koganezawa, I Osaka, K Takimiya, ...
Nature Photonics 9 (6), 403, 2015
8582015
Organic Semiconductors Based on [1]Benzothieno[3,2-b][1]benzothiophene Substructure
K Takimiya, I Osaka, T Mori, M Nakano
Accounts of chemical research 47 (5), 1493-1502, 2014
4872014
Stretchable and waterproof elastomer-coated organic photovoltaics for washable electronic textile applications
H Jinno, K Fukuda, X Xu, S Park, Y Suzuki, M Koizumi, T Yokota, I Osaka, ...
Nature Energy 2 (10), 780, 2017
4062017
High-efficiency polymer solar cells with small photon energy loss
K Kawashima, Y Tamai, H Ohkita, I Osaka, K Takimiya
Nature communications 6, 10085, 2015
4032015
Synthesis, characterization, and transistor and solar cell applications of a naphthobisthiadiazole-based semiconducting polymer
I Osaka, M Shimawaki, H Mori, I Doi, E Miyazaki, T Koganezawa, ...
Journal of the American Chemical Society 134 (7), 3498-3507, 2012
3742012
Implication of fluorine atom on electronic properties, ordering structures, and photovoltaic performance in naphthobisthiadiazole-based semiconducting polymers
K Kawashima, T Fukuhara, Y Suda, Y Suzuki, T Koganezawa, H Yoshida, ...
Journal of the American Chemical Society 138 (32), 10265-10275, 2016
3442016
Novel thiophene‐thiazolothiazole copolymers for organic field‐effect transistors
I Osaka, G Sauve, R Zhang, T Kowalewski, RD McCullough
Advanced Materials 19 (23), 4160-4165, 2007
3252007
Naphthodithiophene–naphthobisthiadiazole copolymers for solar cells: alkylation drives the polymer backbone flat and promotes efficiency
I Osaka, T Kakara, N Takemura, T Koganezawa, K Takimiya
Journal of the American Chemical Society 135 (24), 8834-8837, 2013
3152013
Linear-and angular-shaped naphthodithiophenes: selective synthesis, properties, and application to organic field-effect transistors
S Shinamura, I Osaka, E Miyazaki, A Nakao, M Yamagishi, J Takeya, ...
Journal of the American Chemical Society 133 (13), 5024-5035, 2011
3072011
Thiophene–thiazolothiazole copolymers: significant impact of side chain composition on backbone orientation and solar cell performances
I Osaka, M Saito, T Koganezawa, K Takimiya
Advanced Materials 26 (2), 331-338, 2014
3032014
High-lamellar ordering and amorphous-like π-network in short-chain thiazolothiazole− thiophene copolymers lead to high mobilities
I Osaka, R Zhang, G Sauve, DM Smilgies, T Kowalewski, RD McCullough
Journal of the American Chemical Society 131 (7), 2521-2529, 2009
3002009
Consecutive Thiophene-Annulation Approach to π-Extended Thienoacene-Based Organic Semiconductors with [1]Benzothieno[3,2-b][1]benzothiophene (BTBT …
T Mori, T Nishimura, T Yamamoto, I Doi, E Miyazaki, I Osaka, K Takimiya
Journal of the American Chemical Society 135 (37), 13900-13913, 2013
2822013
π-Building blocks for organic electronics: revaluation of “inductive” and “resonance” effects of π-electron deficient units
K Takimiya, I Osaka, M Nakano
Chemistry of Materials 26 (1), 587-593, 2013
2382013
Dianthra[2,3-b:2′,3′-f]thieno[3,2-b]thiophene (DATT): Synthesis, Characterization, and FET Characteristics of New π-Extended Heteroarene with Eight Fused …
K Niimi, S Shinamura, I Osaka, E Miyazaki, K Takimiya
Journal of the American Chemical Society 133 (22), 8732-8739, 2011
2282011
Impact of isomeric structures on transistor performances in naphthodithiophene semiconducting polymers
I Osaka, T Abe, S Shinamura, K Takimiya
Journal of the American Chemical Society 133 (17), 6852-6860, 2011
2202011
Grignard metathesis method (GRIM): toward a universal method for the synthesis of conjugated polymers
MC Stefan, AE Javier, I Osaka, RD McCullough
Macromolecules 42 (1), 30-32, 2008
2142008
High-mobility semiconducting naphthodithiophene copolymers
I Osaka, T Abe, S Shinamura, E Miyazaki, K Takimiya
Journal of the American Chemical Society 132 (14), 5000-5001, 2010
2062010
Naphthodithiophenediimide (NDTI): synthesis, structure, and applications
Y Fukutomi, M Nakano, JY Hu, I Osaka, K Takimiya
Journal of the American Chemical Society 135 (31), 11445-11448, 2013
1912013
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Articles 1–20