seki lab. logo



H. Oga, A. Saeki, Y. Ogomi, S. Hayase, and S. Seki
Correction to Improved Understanding of the Electronic and Energetic Landscapes of Perovskite Solar Cells: High Local Charge Carrier Mobility, Reduced Recombination, and Extremely Shallow Traps
J. Am. Chem. Soc., 136(48), 16948-16948(2014). DOI: 10.1021/ja511140k

S. Yagai, M. Suzuki, X. Lin, M. Gushiken, T. Noguchi, T. Karatsu, A. Kitamura, A. Saeki, S. Seki, Y. Kikkawa, Y. Tani, and K. Nakayama
Supramolecular Engineering of Oligothiophene Nanorods without Insulators: Hierarchical Association of Rosettes and Photovoltaic Properties
Chem. Eur. J., 20(49), 16128-16137(2014). DOI: 10.1002/chem.201404428

M. Omichi, W. Choi, D. Sakamaki, S. Tsukuda, M. Sugimoto, and S. Seki
A simple and rapid method for high-resolution visualization of single-ion tracks
AIP Adv., 4(11), 117128(2014). DOI: 10.1063/1.4902164

A. Gopal, A. Saeki, M. Ide, and S. Seki
Fluorination of Benzothiadiazole–Benzobisthiazole Copolymer Leads to Additive-Free Processing with Meliorated Solar Cell Performance
ACS Sustainable Chem. Eng., 2(11), 2613-2622(2014). DOI: 10.1021/sc5005617

S. Jin, T. Sakurai, T. Kowalczyk, S. Dalapati, F. Xu, H. Wei, X. Chen, J. Gao, S. Seki, S. Irle, and D. Jiang
Two-Dimensional Tetrathiafulvalene Covalent Organic Frameworks: Towards Latticed Conductive Organic Salts
Chem. Eur. J., 20(45), 14608-14613(2014). DOI: 10.1002/chem.201402844

H. Li, T. Earmme, G. Ren, A. Saeki, S. Yoshikawa, N. M. Murari, S. Subramaniyan, M. J. Crane, S. Seki, and S. A. Jenekhe
Beyond Fullerenes: Design of Nonfullerene Acceptors for Efficient Organic Photovoltaics
J. Am. Chem. Soc., 136(41), 14589-14597(2014). DOI: 10.1021/ja508472j

A. Saeki, Y. Yasutani, H. Oga, and S. Seki
Frequency-Modulated Gigahertz Complex Conductivity of TiO2 Nanoparticles: Interplay of Free and Shallowly Trapped Electrons
J. Phys. Chem. C, 118(39), 22561-22572(2014). DOI: 10.1021/jp505214d

H. Oga, A. Saeki, Y. Ogomi, S. Hayase, and S. Seki
Improved Understanding of the Electronic and Energetic Landscapes of Perovskite Solar Cells: High Local Charge Carrier Mobility, Reduced Recombination, and Extremely Shallow Traps
J. Am. Chem. Soc., 136(39), 13818-13825(2014). DOI: 10.1021/ja506936f

T. Mikie, A. Saeki, N. Ikuma, K. Kokubo, and S. Seki
Exploring Photovoltaic Feasibility of Pentaaryl [60]Fullerene in Bulk Heterojunction Architecture
J. Photopolym. Sci. Technol., 27(5), 553-556(2014). DOI: 10.2494/photopolymer.27.553

M. Omichi, W. Choi, S. Tsukuda, M. Sugimoto, and S. Seki
Spatial Point Analysis of Ion Track Patterns using Common Polymer Films by Atomic Forced Microscopy
J. Photopolym. Sci. Technol., 27(5), 561-564(2014). DOI: 10.2494/photopolymer.27.561

S. Minami, M. Ide, K. Hirano, T. Satoh, T. Sakurai, K. Kato, M. Takata, S. Seki, and M. Miura
2,6-Diphenyl- and -Distyryl-Capped 3,7-Dialkoxybenzo[1,2-b:4,5-b’]dithiophenes and Their Dithieno-Annulated Higher Homologs: Structural Phase Transition with Enhanced Charge Carrier Mobility
Phys. Chem. Chem. Phys., 16(35), 18805-18812(2014). DOI: 10.1039/C4CP03002H

R. Sekiya, Y. Tsutsui, W. Choi, T. Sakurai, S. Seki, Y. Bando, and H. Maeda
Ion-Based Assemblies of Planar Anion Complexes and Cationic Pt(II) Complexes
Chem. Commun., 50(73), 10615-10618(2014). DOI: 10.1039/C4CC04565C

T. Amaya, Y. Inada, Y. Shimizu, A. Saeki, R. Tsuji, S. Seki, and T. Hirao
Sumanenemonoone Imines Bridged by Redox-Active π-Conjugated Unit: Synthesis, Stepwise Coordination to Palladium(II) and Laser-Induced Formation of Nitrogen-Doped Graphitic Carbon
Chem. Asian J., 9(9), 2568-2575(2014). DOI: 10.1002/asia.201402242

C. Kitamura, G. Ohe, T. Kawase, A. Saeki, and S. Seki
Alkyl Substituent Effects on Molecular Packing and Optoelectronic Properties of 2,3-Dialkyltetracenes
Bull. Chem. Soc. Jpn., 87(8), 915-921(2014). DOI: 10.1246/bcsj.20140006

M. J. Hollamby, M. Karny, P. H. H. Bomans, N. A. J. M. Sommerdijk, A. Saeki, S. Seki, H. Minamikawa, I. Grillo, B. R. Pauw, P. Brown, J. Eastoe, H. Möhwald, and T. Nakanishi
Directed assembly of optoelectronically active alkyl - π-conjugated molecules by adding n-alkanes or π-conjugated species
Nature Chem., 6(8), 690-696(2014). DOI: 10.1038/nchem.1977

J. Terao, T. Hosomi, H. Masai, W. Matsuda, S. Seki, T. Fujihara, and Yasushi Tsuji
Synthesis and Redox Response of Insulated Molecular Wire Elongated through Iron-Terpyridine Coordination Bonds
Chem. Lett., 43(8), 1289-1291(2014). DOI: 10.1246/cl.140365

W. Choi, T. Miyakai, T. Sakurai, A. Saeki, M. Yokoyama, and S. Seki
Non-contact, non-destructive, quantitative probing of interfacial trap sites for charge carrier transport at semiconductor-insulator boundary
Appl. Phys. Lett., 105(3), 33302(2014). DOI: 10.1063/1.4891052

Z. Wang, T. Miyadera, A. Saeki, Y. Zhou, S. Seki, Y. Shibata, T. Yamanari, K. Matsubara, and Y. Yoshida
Structural influences on charge carrier dynamics for small-molecule organic photovoltaics
J. Appl. Phys., 116(1), 13105(2014). DOI: 10.1063/1.4887076

W. Nakanishi, N. Matsuyama, D. Hara, A. Saeki, S. Hitosugi, S. Seki, and H. Isobe
Disilanyl Double-Pillared Bisternaphthyl (SiDPBT): Synthesis and Interfused Packing Structures with Herringbone and π-Stack Motifs
Chem. Asian J., 9(7), 1782-1785(2014). DOI: 10.1002/asia.201402290

S. Seki, A. Saeki, T. Sakurai and D. Sakamaki
Charge carrier mobility in organic molecular materials probed by electromagnetic waves
Phys. Chem. Chem. Phys., 16(23), 11093-11113(2014). DOI: 10.1039/c4cp00473f

L. Tong, S. Kushida, J. Kuwabara, T. Kanbara, N. Ishii, A. Saeki, S. Seki, S. Furumi, and Y. Yamamoto
Tetramethylbithiophene in π-conjugated alternating copolymers as an effective structural component for the formation of spherical assemblies
Polym. Chem., 5(11), 3583-3587(2014). DOI: 10.1039/C4PY00023D

A. Wakamiya, H. Nishimura, T. Fukushima, F. Suzuki, A. Saeki, S. Seki, I. Osaka, T. Sasamori, M. Murata, Y. Murata, and H. Kaji
On-Top π-Stacking of Quasiplanar Molecules in Hole-Transporting Materials: Inducing Anisotropic Carrier Mobility in Amorphous Films
Angew. Chem. Int. Ed., 53(23), 5800-5804(2014). DOI: 10.1002/anie.201400068

L. Wu, M. Ohtani, M. Takata, A. Saeki, S. Seki, Y. Ishida, and T. Aida
Magnetically Induced Anisotropic Orientation of Graphene Oxide Locked by in Situ Hydrogelation
ACS Nano, 8(5), 4640-4649(2014). DOI: 10.1021/nn5003908

A. Saeki, M. Tsuji, S. Yoshikawa, A. Gopala, and S. Seki
Boosting photovoltaic performance of benzobisthiazole based copolymer: a device approach using a zinc oxide electron transport layer
J. Mater. Chem. A, 2(17), 6075-6080(2014). DOI: 10.1039/C3TA14109H

M. Omichi, A. Asano, S. Tsukuda, K. Takano, M. Sugimoto, A. Saeki, D. Sakamaki, A. Onoda, T. Hayashi, and S. Seki
Fabrication of enzyme-degradable and size-controlled protein nanowires using single particle nano-fabrication technique
Nature Commun., 5, 3718, (2014). DOI: 10.1038/ncomms4718

Y. Ie, M. Karakawa, S. Jinnai, H. Yoshida, A. Saeki, S. Seki, S. Yamamoto, H. Ohkita and Y. Aso
Electron-donor function of methanofullerenes in donor–acceptor bulk heterojunction systems
Chem. Commun., 50(31), 4123-4125(2014). DOI: 10.1039/C4CC00940A

I. Hisaki, N. Manabe, K. Osaka, A. Saeki, S. Seki, N. Tohnai, and M. Miyata
Effects of ortho-Phenyl Substitution on Molecular Arrangements of Octadehydrodibenzo[12]annulene
Bull. Chem. Soc. Jpn., 87(2), 323-333(2014). DOI: 10.1246/bcsj.20130279

H. Masai, J. Terao, S. Seki, S. Nakashima, M. Kiguchi, K. Okoshi, T. Fujihara, and Y. Tsuji
Synthesis of One-Dimensional Metal-Containing Insulated Molecular Wire with Versatile Properties Directed toward Molecular Electronics Materials
J. Am. Chem. Soc., 136(5), 1742-1745(2014). DOI: 10.1021/ja411665k

J. Terao, K. Homma, Y. Konoshima, R. Imoto, H. Masai, W. Matsuda, S. Seki, T. Fujihara, and Y. Tsuji
Synthesis of functionalized insulated molecular wires by polymerization of an insulated π-conjugated monomer
Chem. Commun., 50(6), 658-660(2014). DOI: 10.1039/C3CC47105E

S. Kuwabata, H. Minamimoto, K. Inoue, A. Imanishi, K. Hosoya, H. Uyama, T. Torimoto, T. Tsuda, and S. Seki
Three-dimensional micro/nano-scale structure fabricated by combination of non-volatile polymerizable RTIL and FIB irradiation
Sci. Reports, 4, 3722, (2014). DOI: 10.1038/srep03722

M. Tsuji, A. Saeki, Y. Koizumi, N. Matsuyama, C. Vijayakumar and S. Seki
Organic Photovoltaics: Benzobisthiazole as Weak Donor for Improved Photovoltaic Performance: Microwave Conductivity Technique Assisted Molecular Engineering
Adv. Funct. Mater., 24(1), 28-36(2014). DOI: 10.1002/adfm.201301371