Synthesis of indano[60]fullerene thioketone and its application in organic solar cell Yong-Chang Zhai1, Shimon Oiwa1, Shinobu Aoyagi*2, Shohei Ohno3, Tsubasa Mikie3, Jun-Zhuo Wang1, Hirofumi Amada1, Koki Yamanaka1, Kazuhira Miwa1, Naoyuki Imai4, Takeshi Igarashi4, Itaru Osaka3 and Yutaka Matsuo Beilstein Journal of Organic Chemistry, 2024, 20, 1270-1277.
Simple π-Conjugated Polymers Based on Bithiazole for Nonfullerene Organic Photovoltaics Y. Teshima, K. Yamanaka, Y. Sato, H. Ohkita, T. Mikie, M. Saito, and I. Osaka* ACS Appl. Mater. Interfaces, 2024, 16, 3735–3743.
2023
Ordered π-conjugated polymer backbone in amorphous blend for high efficiency nonfullerene organic photovoltaics M. Saito, H. Yamada, K. Kranthiraja, T. Mikie, A. Saeki*, H. Ohkita*, I. Osaka* Commun. Mater., 2023, DOI：10.1038/s43246-023-00395-y
Exciton dynamics of a fused ring π-conjugated nonfullerene molecule based on dithienonaphthobisthiadiazole Y. Sato, T. Mikie, H. Yamada, I. Osaka, and H. Ohkita* Japanese Journal of Applied Physics, 2023, 62, SK1012
Naphthobispyrazine bisimide-based semiconducting polymers as electron acceptors for all-polymer photovoltaic cells K. Okamoto, Y. Iwasaki, T. Mikie*,and Itaru Osaka* Polymer J. 2023, 55, 443–450.
2022
Halogen-Free π-Conjugated Polymers Based on Thienobenzobisthiazole for Efficient Nonfullerene Organic Solar Cells: Rational Design for Achieving High Backbone Order and High Solubility N. Nakao, M. Saito, T. Mikie, T. Ishikawa, J. Jeon, H.-D. Kim, H. Ohkita, A. Saeki, I. Osaka* Adv. Sci. 2022, 2205682.
Ester-Functionalized Quinoxaline-Based Polymers for Application in Organic Photovoltaics T. Mikie*, Y. Iwasaki, and Itaru Osaka* Mater. Chem. Phys.2022, 287, 126225.
Naphthobisthiadiazole-Based π‑Conjugated Polymers for Nonfullerene Solar Cells: Suppressing Intermolecular Interaction Improves Photovoltaic Performance L-H. Chou, T. Mikie, M. Saito, C-L. Liu, and I. Osaka* ACS Appl. Mater. Interfaces 2022, 14, 12, 14400–14409.
Naphthobispyrazine Bisimide: A Strong Acceptor Unit for Conjugated Polymers Enabling Highly Coplanar Backbone, Short π− π Stacking, and High Electron Transport T. Mikie, K. Okamoto, Y. Iwasaki, T. Koganezawa, M. Sumiya, T. Okamoto, and I. Osaka* Chem. Mater., 2022, 34, 2717–2729. Press release: 広島大学、東京大学、SPring-8 News: 日本経済新聞、マイナビニュース、Mapionニュース、オプトロニクス
2021
Pronounced Backbone Coplanarization by π-Extension in a Sterically Hindered Conjugated Polymer System Leads to Higher Photovoltaic Performance in Non-Fullerene Solar Cells N. Nakao, S. Ogawa, H. D. Kim, H. Ohkita, T. Mikie, M. Saito, and I. Osaka* ACS Appl. Mater. Interfaces2021,13, 56420–56429.
Contrasting Effect of Side-Chain Placement on Photovoltaic Performance of Binary and Ternary Blend Organic Solar Cells in Benzodithiophene-Thiazolothiazole Polymers M. Saito, S. Ogawa, and I. Osaka* ChemSusChem,2021, 14, 1−11
Molecular Understanding of How the Interfacial Structure Impacts the Open-Circuit Voltage of Highly Crystalline Polymer Solar Cells T. Fukuhara, K. Yamazaki, T. Hidani, M. Saito, Y. Tamai, I. Osaka*, and H.Ohkita* ACSAppl. Mater. Interfaces2021, 13, 34357−34366
Effect of Ester Side Chains on Photovoltaic Performance in Thiophene-Thiazolothiazole Copolymers K. Yamanaka, M. Saito, T. Mikie, and I. Osaka* Bull. Chem. Soc. Jpn. 2021, 94, 2019–2027
Self-powered ultraflexible photonic skin for continuous bio-signal detection via air-operation-stable polymer light-emitting diodes H. Jinno, T. Yokota, M. Koizumi, W. Yukita, M. Saito, I. Osaka, K. Fukuda, T. Someya Nat. Commun.,2021, 12, 7, 2234.
Bithiazole Dicarboxylate Ester: An Easily Accessible Electron-Deficient Building Unit for π-Conjugated Polymers Enabling Electron Transport Y. Teshima, M. Saito, T. Mikie, K. Komeyama, and I. Osaka* Macromolecules2021, 54, 7, 3489–3497
Multi‐Channel Pumped Ultrasonic Spray‐Coating for High‐Throughput and Scalable Mixed Halide Perovskite Solar Cells A. Z. Guo, L. H. Chou, S. H. Yang, D. Wang, X. F. Wang, I. Osaka, H. W. Lin, C. L. Liu* Adv. Mater. Interfaces, 2021, 8, 2001509
N-type Semiconducting Polymers Based on Dicyano Naphthobisthiadiazole: High Electron Mobility with Unfavorable Backbone Twist K. Iguchi, T. Mikie, M. Saito, K. Komeyama, T. Seo, Y. Ie*, and I. Osaka* Chem. Mater. 2021, 33, 2218−2228
Spray deposition of NiOx hole transport layer and perovskite photoabsorber in fabrication of photovoltaic mini-module L. H. Chou, Y. T. Yu, I. Osaka, X. F. Wang, and C. L. Liu J. Power Sources 491 (2021) 229586.
Donor−Acceptor Polymers Containing 4,8- Dithienylbenzo[1,2‐b:4,5‐b′]dithiophene via Highly Selective Direct Arylation Polymerization M. Wakioka*, N. Torii, M. Saito, I. Osaka, and F. Ozawa* ACS Appl. Polym. Mater.2021,3, 2, 830–836.
Visible light-driven Giese reaction with alkyl tosylates catalysed by nucleophilic cobalt K. Komeyama,* T. Michiyuki, Y. Teshima, and I. Osaka RSC Adv., 2021,11, 3539-3546 DOI: 10.1039/D0RA10739E
Controlled steric selectivity in molecular doping towards closest-packed supramolecular conductors S. Kohno, Y. Yamashita, N. Kasuya, T. Mikie, I. Osaka, K. Takimiya, J. Takeya, S. Watanabe* Communications MaterialsDOI: 10.1038/s43246-020-00081-3, Press release: Tokyo University, Hiroshima University.
Impact of Noncovalent Sulfur–Fluorine Interaction Position on Properties, Structures, and Photovoltaic Performance in Naphthobisthiadiazole-Based Semiconducting Polymers M. Saito, T. Fukuhara, S. Kamimura, H. Ichikawa, H. Yoshida, T. Koganezawa, Y. Ie, Y. Tamai, H. D. Kim, H. Ohkita, I. Osaka Adv. Energy Mater. 2020, 10, 1903278.
Effect of Spacer Length in Naphthobispyrazine-Based π-Conjugated Polymers on Properties, Thin Film Structures, and Photovoltaic Performances T. Mikie, Y. Teshima, K. Okamoto, I. Osaka Bull. Chem. Soc. Jpn.2020, 93, 949–957.
Dithiazolylthienothiophene Bisimide-Based π-Conjugated Polymers: Improved Synthesis and Application to Organic Photovoltaics as P-Type Semiconductor Y. Teshima, M. Saito, T. Mikie, K. Komeyama, H. Yoshida, I. Osaka Bull. Chem. Soc. Jpn. 2020, 93, 561–567.
π-Conjugated polymers and molecules enabling small photon energy loss simultaneously with high efficiency in organic photovoltaics M. Saito, H. Ohkita, I. Osaka J. Mater. Chem. A,2020, 8, 20213–20237. Selected as cover picture!!
Reductive amidation of alkyl tosylates with isocyanates by a Ni/Co-dual catalytic system T. Michiyuki, I. Osaka, K. Komeyama Chem. Commun., 2020, 56, 1247—1250.
Analyses of PTzNTz Polymer Solar Cells Using ESR Spectroscopy D. Xue, S. Kamiya, M. Saito, I. Osaka, K. Marumoto J. Photopolym. Sci. Technol., 2020, 33, 97-102.
Mixed-Ligand Approach to Palladium-Catalyzed Direct Arylation Polymerization: Synthesis of Donor−Acceptor Polymers Containing Unsubstituted Bithiophene Units M. Wakioka, H. Morita, N. Ichihara, M. Saito, I. Osaka, F. Ozawa Macromolecules 2020, 53, 158−164.
Semiconducting small molecule/polymer blends for organic transistors L-H. Chou, Y. Na, C-H. Park, M. S. Park, I. Osaka, F. S. Kim, C-L. Liu Polymer, 2020, 191, 122208.
2019
Ester-Functionalized Naphthobispyrazine as an Acceptor Building Unit for Semiconducting Polymers: Synthesis, Properties, and Photovoltaic Performance T. Mikie, I. Osaka Macromolecules2019, 52, 3909−3917.
Dithiazolylthienothiophene Bisimide: A Novel Electron-Deficient Building Unit for N‑Type Semiconducting Polymers Y. Teshima, M. Saito, T. Fukuhara, T. Mikie, K. Komeyama, H. Yoshida, H. Ohkita, I. Osaka ACS Appl. Mater. Interfaces 2019, 11, 23410−23416.
Understanding Comparable Charge Transport Between Edge-on and Face-on Polymers in a Thiazolothiazole Polymer System M. Saito, T. Koganezawa, I. Osaka ACS Appl. Polym. Mater.2019, 1, 1257−1262.
A Thiazolothiazole-Based Semiconducting Polymer withWell-Balanced Hole and Electron Mobilities M. Saito, I. Osaka Appl. Sci.2019, 9, 451.
Ni/Co-Catalyzed Homo-Coupling of Alkyl Tosylates K. Komeyama, R. Tsunemitsu, T. Michiyuki, H. Yoshida, I. Osaka Molecules, 2019, 24, 8.
Nickel/Cobalt-Catalyzed C(sp3)−C(sp3) Cross-Coupling of Alkyl Halides with Alkyl Tosylates K. Komeyama, T. Michiyuki, I. Osaka ACS Catal.2019, 9, 9285−9291.
Durable Ultraflexible Organic Photovoltaics with Novel Metal-Oxide-Free Cathode Z. Jiang, K. Fukuda, W. Huang, S. Park, R. Nur, O. G.i Nayeem, K. Yu, D. Inoue, M. Saito, H. Kimura, T. Yokota, S. Umezu, D. Hashizume, I. Osaka, K. Takimiya, T. Someya Adv. Funct. Mater.2019, 29, 1808378.
Synthesis and Deformable Hierarchical Nanostructure of Intrinsically Stretchable ABA Triblock Copolymer Composed of Poly(3-hexylthiophene) and Polyisobutylene Segments T. Higashihara, S. Fukuta, Y. Ochiai, T. Sekine, K. Chino, T. Koganezawa, I. Osaka ACS Appl. Polym. Mater. 2019, 1, 315−320.
Ultrasonic Spray-Coated Mixed Cation Perovskite Films and Solar Cells Y-S. Chou, L-H. Chou, A-Z. Guo, X-F. Wang, I. Osaka, C-G. Wu, C-L. Liu ACS Sustainable Chem. Eng. 2019, 7, 14217−14224.
High Operation Stability of Ultraflexible Organic Solar Cells with Ultraviolet‐Filtering Substrates H. Kimura, K. Fukuda, H. Jinno, S. Park, M. Saito, I. Osaka, K. Takimiya, S. Umezu, T. Someya Adv. Mater. 2019, 31, 1808033.
2018
Correlation between Distribution of Polymer Orientation and Cell Structure in Organic Photovoltaics M. Saito, T. Koganezawa, I. Osaka ACS Appl. Mater. Interfaces 2018, 10, 32420−32425.
Impact of side chain placement on thermal stability of solar cells in thiophene–thiazolothiazole polymers M. Saito, I. Osaka J. Mater. Chem. C, 2018, 6, 3668—3674.
Selective Synthesis and Properties of Electron-Deficient HybridNaphthalene-Based π-Conjugated Systems T. Mikie, I. Osaka Chem. Eur.J. 2018, 24, 19228 –19235.
Nickel and Nucleophilic Cobalt-Catalyzed Trideuteriomethylation of Aryl Halides Using Trideuteriomethyl p‑Toluenesulfonate K. Komeyama, Y. Yamahata, I. Osaka Org. Lett., 2018, 20,4375−4378.
Nickel-Catalyzed Reductive Bis-Allylation of Alkynes K. Komeyama, Y. Yamahata, I. Osaka Org. Lett., 2018, 20, 1457−1460.
Three-component coupling of aryl iodides, allenes, and aldehydes catalyzed by a Co/Cr-hybrid catalyst K. Komeyama, S. Sakiyama, K. Iwashita, I. Osaka, K. Takaki Beilstein J. Org. Chem.2018, 14, 1413–1420.
Bimolecular recombination and fill factor in crystalline polymer solar cells T. Fukuhara, Y. Tamai, I. Osaka, H. Ohkita Jpn. J. Appl. Phys., 2018, 57, 853.
Reverse-Offset Printed Ultrathin Ag Mesh for Robust Conformal Transparent Electrodes for High-Performance Organic Photovoltaics Z. Jiang, K. Fukuda, X. Xu, S. Park, D. Inoue, H. Jin, M. Saito, I. Osaka, K. Takimiya, T. Someya Adv. Mater. 2018,30, 1707526.
Scalable Ultrasonic Spray-Processing Technique for Manufacturing Large-Area CH3NH3PbI3 Perovskite Solar Cells L-H. Chou, X-F. Wang, I. Osaka, C-G. Wu, C-L. Liu ACS Appl. Mater. Interfaces 2018, 10, 38042−38050.
2017
Naphthobischalcogenadiazole Conjugated Polymers: Emerging Materials for Organic Electronics I. Osaka, K. Takimiya Adv. Mater. 2017, 29, 1605218.
Effects of branching position of alkyl side chains on ordering structure and charge transport property in thienothiophenedione- and quinacridone-based semiconducting polymers K. Kawabata, M. Saito, N. Takemura, I. Osaka, K. Takimiya Polym. J.,2017,49, 169–176.
Naphthobispyrazine as an Electron-deficient Building Unit for π-Conjugated Polymers: Efficient Synthesis and Polymer Properties T. Mikie, K. Kawashima, K. Komeyama, H. Yoshida, I. Osaka Chem. Lett., 2017, 46, 1193-1196.
Synthesis and characterization of an alkoxythiazole-thiazolothiazole semiconducting polymer for organic solar cells M. Saito, I. Osaka Electrochemistry, 2017, 85, 266–271.
Highly nucleophilic vitamin B12-assisted nickel-catalysed reductive coupling of aryl halides and non-activated alkyl tosylates K. Komeyama, R. Ohata, S. Kiguchi, I. Osaka Chem. Commun.,2017,53, 6401–6404.
Dithienyl Acenedithiophenediones as New π-Extended Quinoidal Core: Synthesis and Properties K. Kawabata, I. Osaka, M. Sawamoto, J. L. Zafra, P. M. Burrezo, J. Casado, K. Takimiya Chem. Eur. J, 2017,23, 4579–4589.
Exploring Alkyl Chains in Benzobisthiazole-Naphthobisthiadiazole Polymers: Impact on Solar-Cell Performance, Crystalline Structures, and Optoelectronics J. Tsutsumi, S. Matsuoka, I. Osaka, R. Kumai, T. Hasegawa ACS Appl. Mater. interfaces2017,9, 37702–37711.
Reduced exchange narrowing caused by gate-induced charge carriers in high-mobility donor-acceptor copolymers J. Tsutsumi, S. Matsuoka, I. Osaka, R. Kumai, T. Hasegawa Phys. Rev. B2017,95, 115306.
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, K. Takimiya, T. Someya Nat. Energy 2017, 2, 780–785.
2016
Dithienylthienothiophenebisimide, a Versatile Electron-Deficient Unit for Semiconducting Polymers M. Saito, I. Osaka, K. Takimiya, Y. Suda, H. Yoshida Adv. Mater.2016, 28, 6921-6925.
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, H. Ohkita, I. Osaka, K. Takimiya J. Am. Chem. Soc.2016, 138, 10265–10275.
300
Very Small Bandgap π-Conjugated Polymers with Extended Thienoquinoids K. Kawabata, M. Saito, I. Osaka, K. Takimiya J. Am. Chem. Soc.2016, 138, 7725–7732.
Amide-bridged terphenyl and dithienylbenzene units for semiconducting polymers M. Akita, M. Saito, I. Osaka, T. Koganezawa, K. Takimiya RSC Adv.,2016,6, 16437–16447.
Analyses of Thiophene-Based Donor-Acceptor Semiconducting Polymers toward Designing Optical and Conductive Properties: A Theoretical Perspective T. Matsui, Y. Imamura, I. Osaka, K. Takimiya, T. Nakajima J. Phys. Chem. C2016, 120, 8305–8314.
2015
Backbone orientation in semiconducting polymers I. Osaka, K. Takimiya Polymer 2015, 59, A1–A15.
Effect of Chalcogen Atom on the Properties of Naphthobischalcogenadiazole-Based π-Conjugated Polymers K. Kawashima, I. Osaka, K. Takimiya Chem. Mater. 2015, 27, 6558–6570.
Efficient inverted polymer solar cells employing favourable molecular orientation V. Vohra, K. Kawashima, T. Kakara, T. Koganezawa, I. Osaka, K. Takimiya, H. Murata Nat. Photon. 2015, 9, 403–408.
High-efficiency polymer solar cells with small photon energy loss K. Kawashima, Y. Tamai, H. Ohkita, I. Osaka, K. Takimiya Nat. Commun., 2015, 6, 10085.
Highly Efficient and Stable Solar Cells Based on Thiazolothiazole and Naphthobisthiadiazole Copolymers S. Masahiko, I. Osaka, Y. Suzuki, K. Takimiya, T. Okabe, S. Ikeda, T. Asano. Sci Rep. 2015, 5, 14202.
Thienothiophene-2,5-dione-based donor-acceptor polymers: Improved synthesis and influence of the donor units on ambipolar charge transport properties Kawabata Kohsuke, Osaka Itaru, Nakano Masahiro, Takemura Noriko, Koganezawa Tomoyuki, Takimiya Kazuo Adv. Electron. Mater.,2015, 1, 1500039.
On the role of local charge carrier mobility in the charge separation mechanism of organic photovoltaics S. Yoshikawa, A. Saeki, M. Saito, I. Osaka, S. Seki Phys. Chem. Chem. Phys.,2015, 17, 17778–17784.
Semiconducting polymers based on electron-deficient π-building units I. Osaka Polymer Journal 2015, 47, 18–25.
Angular-Shaped 4,9-Dialkyl α- and β-Naphthodithiophene-Based Donor-Acceptor Copolymers: Investigation of Isomeric Structural Effects on Molecular Properties and Performance of Field-Effect Transistors and Photovoltaics S-W. Cheng, D-Y. Chiou, C-E. Tsai, W-W. Liang, Y-Y. Lai, J-Y. Hsu, C-S. Hsu, I. Osaka, K. Takimiya, Y-J. Cheng Adv. Funct. Mater.,2015, 25,6131–6143.
2014
Thiophene-thiazolothiazole copolymers: significant impact of side chain composition on backbone orientation and solar cell performances I. Osaka, M. Saito, T. Koganezawa, K. Takimiya Adv. Mater.,2014, 26, 331–338.
Small band gap polymers incorporating a strong acceptor, thieno[3,2-b]thiophene-2,5-dione, with p-channel and ambipolar charge transport characteristics I. Osaka, T. Abe, H. Mori, M. Saito, N. Takemura, T. Koganezawad, K. Takimiya J. Mater. Chem. C,2014, 2, 2307–2312.
Effect of Oxygen-Containing Functional Side Chains on the Electronic Properties and Photovoltaic Performances in a Thiophene-Thiazolothiazole Copolymer System M. Saito, I. Osaka, T. Koganezawa, K. Takimiya Heteroat. Chem., 2014,25, 556–564.
Contrasting Effect of Alkylation on the Ordering Structure in Isomeric Naphthodithiophene-Based Polymers I. Osaka, Y. Houchin, M. Yamashita, T. Kakara, N. Takemura, T. Koganezawa, K. Takimiya Macromolecules2014, 47, 10, 3502–3510.
Achieving high efficiency and stability in inverted organic solar cells fabricated by laminated gold leaf as top electrodes N. T. Razali, I. Osaka, K. Takimiya, V. Vohra, H. Murata Appl. Phys. Express., 2014, 7, 111602.
5,10-Linked naphthodithiophenes as the building block for semiconducting polymers I. Osaka, K. Komatsu, T. Koganezawa, K. Takimiya Sci. Technol. Adv. Mater., 2014, 15, 024201.
π-Building Blocks for Organic Electronics: Revaluation of “Inductive” and “Resonance” Effects of π-Electron Deficient Units K. Takimiya, I. Osaka, M. Nakano Chem. Mater.,2014, 26, 1, 587–593.
Highly oriented polymer semiconductor films compressed at the surface of ionic liquids for high-performance polymeric organic field-effect transistors J. Soeda, H. Matsui, T. Okamoto, I. Osaka, K. Takimiya, J. Takeya Adv. Mater., 2014, 26, 6430–6435.
Thiazolothiazole-based polymers for organic solar cells I. Osaka, M. Saito, K. Takimiya Journal of the Imaging Society of Japan, 2014, 53, 523–528.
Crystalline conjugated polymers for organic electronics I. Osaka, K. Takimiya Mater. Sci. Eng., 2014, 54, 012016.
2013
Quinacridone-diketopyrrolopyrrole-based polymers for organic field-effect transistors M. Akita, I. Osaka, K. Takimiya Materials2013, 6, 1061–1071.
Naphthodithiophenes as building units for small molecules to polymers; a case study for in-depth understanding of structure-property relationships in organic semiconductors I. Osaka, S. Shinamura, T. Abe, K. Takimiya J. Mater. Chem. C, 2013, 1, 1297–1304.
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 J. Am. Chem. Soc.,2013, 135, 24, 8834–8837.
5,10-Diborylated naphtho[1,2-c:5,6-c’]bis[1,2,5]thiadiazole: a ready-to-use precursor for the synthesis of high-performance semiconducting polymers K. Kawashima, E. Miyazaki, M. Shimawaki, Y. Inoue, H. Mori, N. Takemura, I. Osaka, K. Takimiya Polym. Chem., 2013, 4, 5224–5227.
2012
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, K. Takimiya J. Am. Chem. Soc., 2012, 134, 3498–3507.
Quinacridone-Based Semiconducting Polymers: Implication of Electronic Structure and Orientational Order for Charge Transport Property I. Osaka, M. Akita, T. Koganezawa, K. Takimiya Chem. Mater.,2012, 24, 1235–1243.
Naphthodithiophene-Based Donor-Acceptor Polymers: Versatile Semiconductors for OFETs and OPVs I. Osaka, T. Abe, M. Shimawaki, T. Koganezawa, K. Takimiya ACS Macro Lett., 2012, 1, 4, 437–440.
Drastic change of molecular orientation in thiazolothiazole copolymers by molecular weight control and blending with PC61BM leads to high efficiencies in solar cells I. Osaka, M. Saito, H. Mori, T. Koganezawa, K. Takimiya Adv. Mater.,2012, 24, 425–430.
2011
Impact of isomeric structures on transistor performances in naphthodithiophene semiconducting polymers I. Osaka, T. Abe, S. Shinamura, K. Takimiya J. Am. Chem. Soc., 2011, 133, 6852–6860.
Mixed selenium-sulfur fused ring systems as building blocks for novel polymers used in field effect transistors S. P. Mishra, A. E. Javier, R. Zhang, J. Liu, J. A. Belot, I. Osaka, R. D. McCullough J. Mater. Chem., 2011, 21, 1551–1561.
Insight into how molecular structures of thiophene-based conjugated polymers affect crystallization behaviors J. Liu, I. A. Mikhaylov, J. Zou, I. Osaka, A. E. Masunov, R. D. McCullough, L. Zhai Polymer2011, 52, 2302–2309.
Donor-acceptor semiconducting polymer based on thiazole-containing fused-rings for organic field-effect transistors I. Osaka, K. Takimiya, R. D. Mccullough Kobunshi Ronbunshu, 2011, 68, 1–10.
2010
Highly Stable Semiconducting Polymers Based on Thiazolothiazole I. Osaka, R. Zhang, J. Liu, D-M. Smilgies, T. Kowalewski, R. D. McCullough Chem. Mater., 2010, 22, 4191–4196.
High-mobility semiconducting naphthodithiophene copolymers I. Osaka, T. Abe, S. Shinamura, E. Miyazaki, K. Takimiya J. Am. Chem. Soc., 2010, 132, 5000–5001.
Benzobisthiazole-based semiconducting copolymers showing excellent environmental stability in high-humidity air I. Osaka, K. Takimiya, R. D. McCullough Adv. Mater., 2010, 22, 4993–4997.
Regioregular and Regiosymmetric Polythiophenes I. Osaka, R. D. McCullough Conjugated Polymer Synthsis, 2010, 15, 59–90.
Advanced functional regioregular polythiophenes. I. Osaka, R. D. McCullough Design and Synthesis of Conjugated Polymers 2010, 19, 91–145.
