Shigeki Naka

2024

Molecular dynamics study of N,N′-di-n-alkyl-3,4,9,10-perylenetetracarboxylic diimide (PTCDI)/rubrene interface: Why the charge transfer at the interface is optimized depending on the alkyl chain length of PTCDI

Ishiyama, T., Morimoto, M. & Naka, S., 2024/10/28, In: Journal of Chemical Physics. 161, 16, 164706.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

Stable driving voltage in exciplex-type OLEDs with a bilayer interface

Morimoto, M., Nagahama, H. & Naka, S., 2024/08/01, In: Applied Physics Express. 17, 8, 081006.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

Open Access

2023

Blue organic light-emitting diode with a turn-on voltage of 1.47 V

Izawa, S., Morimoto, M., Fujimoto, K., Banno, K., Majima, Y., Takahashi, M., Naka, S. & Hiramoto, M., 2023/12, In: Nature Communications. 14, 1, 5494.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

31 被引用数 (Scopus)

Hole Injection Characteristics and Annealing Temperature Dependence for Organic Light-Emitting Diodes Using Spontaneous Polarization

Fukazawa, R., Maegawa, Y., Morimoto, M., Matsubara, R., Kubono, A. & Naka, S., 2023/12, In: Physica Status Solidi (A) Applications and Materials Science. 220, 24, 2300161.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

Open Access

Influence of Introduction of an Exciton Capture Layer in the Donor on the Performance of Exciplex Upconversion-Type Organic Light-Emitting Diodes

Masuda, T., Morimoto, M. & Naka, S., 2023/12, In: Physica Status Solidi (A) Applications and Materials Science. 220, 24, 2300239.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

2 被引用数 (Scopus)

2022

Efficient Interfacial Upconversion Enabling Bright Emission at an Extremely Low Driving Voltage in Organic Light-Emitting Diodes

Izawa, S., Morimoto, M., Naka, S. & Hiramoto, M., 2022/02/18, In: Advanced Optical Materials. 10, 4, 2101710.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

Open Access

29 被引用数 (Scopus)

2021

Carrier Mobilities in Amorphous Organic Semiconductor Films Prepared at Various Film Formation Processes

Miyashige, K., Morimoto, M. & Naka, S., 2021/10, In: Physica Status Solidi (A) Applications and Materials Science. 218, 19, 2100330.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

Open Access

2 被引用数 (Scopus)

Near-infrared organic light-emitting diodes of pure fluorescence emission using small-molecule boron-dipyrromethene derivative

Shikano, M., Morimoto, M. & Naka, S., 2021/12, In: Organic Electronics. 99, 106320.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

Open Access

7 被引用数 (Scopus)

2018

Annealing effect of E-beam evaporated TiO₂ films and their performance in perovskite solar cells

Hossain, M. F., Naka, S. & Okada, H., 2018/06/01, In: Journal of Photochemistry and Photobiology A: Chemistry. 360, p. 109-116 8 p.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

29 被引用数 (Scopus)

Fabrication of perovskite solar cells with ZnO nanostructures prepared on seedless ITO substrate

Hossain, M. F., Naka, S. & Okada, H., 2018/08/01, In: Journal of Materials Science: Materials in Electronics. 29, 16, p. 13864-13871 8 p.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

5 被引用数 (Scopus)

2017

Organic thin-film transistors with bilayer of rubbed and evaporated hydrocarbon-based acene as active layer

Funada, S., Shaari, S., Naka, S. & Okada, H., 2017/03/15, In: Materials Science in Semiconductor Processing. 60, p. 1-4 4 p.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

6 被引用数 (Scopus)

2014

Direct comparison of charge transport and electronic traps in polymer-fullerene blends under dark and illuminated conditions

Lou, Y. H., Zhang, L., Xu, M. F., Wang, Z. K., Naka, S., Okada, H. & Liao, L. S., 2014/01, In: Organic Electronics. 15, 1, p. 299-305 7 p.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

17 被引用数 (Scopus)

2013

Dual roles of MoO₃-doped pentacene thin films as hole-extraction and multicharge-separation functions in pentacene/C₆₀ heterojunction organic solar cells

Lou, Y. H., Xu, M. F., Wang, Z. K., Naka, S., Okada, H. & Liao, L. S., 2013/03/18, In: Applied Physics Letters. 102, 11, 113305.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

33 被引用数 (Scopus)

Efficient electron transport in 4,4′-bis[N-(1-napthyl)-N-phenyl- amino] biphenyl and the applications in white organic light emitting devices

Lou, Y., Okawa, Y., Wang, Z., Naka, S. & Okada, H., 2013/03, In: Organic Electronics. 14, 3, p. 1015-1020 6 p.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

8 被引用数 (Scopus)

Evaluation of uniformity for organic film evaporation using two dimensional different apertures

Kamimura, Y., Okada, H. & Naka, S., 2013, In: Vacuum. 92, p. 26-31 6 p.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

3 被引用数 (Scopus)

Mobility enhancement of top contact pentacene based organic thin film transistor with bi-layer GeO/Au electrodes

Waqas Alam, M., Wang, Z., Naka, S. & Okada, H., 2013/02/11, In: Applied Physics Letters. 102, 6, 061105.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

28 被引用数 (Scopus)

Origin of enhanced electrical and conducting properties in pentacene films doped by molybdenum trioxide

Lou, Y. H., Xu, M. F., Zhang, L., Wang, Z. K., Naka, S., Okada, H. & Liao, L. S., 2013, In: Organic Electronics. 14, 10, p. 2698-2704 7 p.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

57 被引用数 (Scopus)

2012

Bi-functional electroluminescent and photovoltaic devices based on rubrene-doped poly(3-hexylthiophene):1-(3-methoxycarbonyl)-propyl-1-phenyl-(6,6) C61 blends

Lou, Y., Wang, Z., Naka, S. & Okada, H., 2012/03, In: Synthetic Metals. 162, 3-4, p. 281-284 4 p.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

9 被引用数 (Scopus)

Charge transport characteristics in P3HT:PCBM organic blends under illumination: Influence of metal work functions

Lou, Y., Wang, Z., Naka, S. & Okada, H., 2012/03/09, In: Chemical Physics Letters. 529, p. 64-68 5 p.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

18 被引用数 (Scopus)

Improvement of roll-off in power efficiency for mixed single layer organic light emitting devices by co-doping

Lou, Y., Geng, Z., Wang, Z., Naka, S. & Okada, H., 2012/08, In: Synthetic Metals. 162, 13-14, p. 1204-1209 6 p.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

2 被引用数 (Scopus)

Optical, morphological, structural, electrical, molecular orientation, and electroluminescence characteristics of organic semiconductor films prepared at various deposition rates

Matsushima, T., Shiomura, K., Naka, S. & Murata, H., 2012/01/01, In: Thin Solid Films. 520, 6, p. 2283-2288 6 p.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

18 被引用数 (Scopus)

2011

Enhancement of electron injection in organic light-emitting diodes with photosensitive charge generation layer

Okawa, Y., Naka, S. & Okada, H., 2011/01, In: Japanese Journal of Applied Physics. 50, 1 PART 3, 01BC11.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

9 被引用数 (Scopus)

Improved performance of mixed single layer top-emission organic light emitting devices using capping layer

Wang, Z., Naka, S. & Okada, H., 2011/02, In: Solid-State Electronics. 56, 1, p. 155-158 4 p.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

8 被引用数 (Scopus)

2010

High efficiency rubrene based inverted top-emission organic light emitting devices with a mixed single layer

Wang, Z., Lou, Y., Naka, S. & Okada, H., 2010/07, In: Journal of Luminescence. 130, 7, p. 1198-1202 5 p.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

20 被引用数 (Scopus)

Organic thin-film transistors with tailored liquid sources of HfO ₂ as a high-κ insulator

Nishizawa, R., Naka, S., Okada, H., Suzuki, K. & Kato, K., 2010/04, In: Japanese Journal of Applied Physics. 49, 4 PART 2, 04DK08.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

1 被引用数 (Scopus)

Temperature dependence of carrier injection in small molecular organic light emitting device with a mixed single layer

Wang, Z., Lou, Y., Naka, S. & Okada, H., 2010/12/06, In: Chemical Physics Letters. 501, 1-3, p. 75-79 5 p.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

3 被引用数 (Scopus)

2009

Influence of ITO patterning on reliability of organic light emitting devices

Wang, Z., Naka, S. & Okada, H., 2009/11/30, In: Thin Solid Films. 518, 2, p. 497-500 4 p.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

13 被引用数 (Scopus)

2008

Light-emitting seal using self-aligned organic light-emitting structure

Ohmori, M., Ueno, S., Kurachi, N., Sawamura, M., Hattori, M., Inoue, T., Miyabayashl, T., Takao, Y., Hibino, S., Tsuchiya, I., Bessho, H., Ohara, K., Ohama, M., Hoshino, M., Ayukawa, S., Miyasato, R., Tsutsui, N., Miura, N., Yamanaka, M. & Naka, S. & 2 others, Shibata, M. & Okada, H., 2008/01/22, In: Japanese Journal of Applied Physics. 47, 1 PART 2, p. 472-475 4 p.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

11 被引用数 (Scopus)

2006

Solution-processed small organic electrophosphorescent devices with arylamine polymer buffer layer

Hirano, K., Naka, S., Okada, H., Onnagawa, H., Nakai, T. & Sato, H., 2006, In: Journal of Photopolymer Science and Technology. 19, 2, p. 177-180 4 p.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

2 被引用数 (Scopus)

Synthesis and electroluminescence properties of fac-tris(2-phenylpyridine)- iridium derivatives containing hole-trapping moieties

Ono, K., Joho, M., Saito, K., Tomura, M., Matsushita, Y., Naka, S., Okada, H. & Onnagawa, H., 2006/09/18, In: European Journal of Inorganic Chemistry. 18, p. 3676-3683 8 p.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

64 被引用数 (Scopus)

2005

Improved white organic electroluminescent devices using fine mesh as an evaporation mask

Tsuji, T., Naka, S., Okada, H. & Onnagawa, H., 2005/01, In: Current Applied Physics. 5, 1, p. 1-4 4 p.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

12 被引用数 (Scopus)

Macrocyclic and acyclic bis(2,5-diphenyl-1,3,4-oxadiazole)s with electron-transporting and hole-blocking ability in organic electroluminescent devices

Ono, K., Ezaka, S., Higashibata, A., Hosokawa, R., Ohkita, M., Saito, K., Suto, M., Tomura, M., Matsushita, Y., Naka, S., Okada, H. & Onnagawa, H., 2005/08/05, In: Macromolecular Chemistry and Physics. 206, 15, p. 1576-1582 7 p.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

13 被引用数 (Scopus)

Organic electrophosphorescent devices with mixed hole transport material as emission layer

Matsushima, H., Naka, S., Okada, H. & Onnagawa, H., 2005/05, In: Current Applied Physics. 5, 4, p. 305-308 4 p.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

52 被引用数 (Scopus)

2000

High electron mobility in bathophenanthroline

Naka, S., Okada, H., Onnagawa, H. & Tsutsui, T., 2000/01/10, In: Applied Physics Letters. 76, 2, p. 197-199 3 p.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

314 被引用数 (Scopus)

1997

Electrical properties of organic electroluminescent devices with aluminium alloy cathode

Naka, S., Tamekawa, M., Terashita, T., Okada, H., Anada, H. & Onnagawa, H., 1997/12, In: Synthetic Metals. 91, 1-3, p. 129-130 2 p.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

53 被引用数 (Scopus)

Electroluminescence of a bichromophoric molecule with a benzoxyazolylcoumarin and carbazole moiety

Izumizawa, T., Uchida, M., Furukawa, K., Naka, S., Okada, H. & Onnagawa, H., 1997/07, In: Polymers for Advanced Technologies. 8, 7, p. 449-453 5 p.

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

3 被引用数 (Scopus)

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