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  • 2019
  • 2018
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Author

  • Chihaya Adachi
2018

Special Section Guest Editorial: Thermally Activated Delayed Fluorescence Organic Light-Emitting Diodes

Adachi, C. & Zysman-Colman, E., Jul 1 2018, In : Journal of Photonics for Energy. 8, 3, 32101.

Research output: Contribution to journalEditorial

2019

Infrared detector using organic nano-pillar arrays

Ajiki, Y., Kan, T., Yahiro, M., Hamada, A., Adachi, J. & Adachi, C., Jun 2019, 2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems and Eurosensors XXXIII, TRANSDUCERS 2019 and EUROSENSORS XXXIII. Institute of Electrical and Electronics Engineers Inc., p. 629-632 4 p. 8808650. (2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems and Eurosensors XXXIII, TRANSDUCERS 2019 and EUROSENSORS XXXIII).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Series of polar alcohol-additives assisted improvement in the PEDOT:PSS film property and bulk-heterojunction organic solar cell performance

Zheng, Y., Yu, J., Tang, J., Yang, F., Wang, C., Wei, B., Li, X. & Adachi, C., Apr 17 2019, In : Journal of Physics D: Applied Physics. 52, 25, 255104.

Research output: Contribution to journalArticle

2018

Emission properties of thermally activated delayed fluorescence emitters: Analysis based on a four-level model considering a higher triplet excited state

Kobayashi, T., Niwa, A., Haseyama, S., Takaki, K., Nagase, T., Goushi, K., Adachi, C. & Naito, H., Jul 1 2018, In : Journal of Photonics for Energy. 8, 3, 032104.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Low-Threshold Light Amplification in Bifluorene Single Crystals: Role of the Trap States

Baronas, P., Kreiza, G., Adomenas, P., Adomeniene, O., Kazlauskas, K., Ribierre, J. C. M., Adachi, C. & Juršenas, S., Jan 24 2018, In : ACS Applied Materials and Interfaces. 10, 3, p. 2768-2775 8 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Synthesis by a Cost-Effective Method and Electroluminescence of a Novel Efficient Yellowish-Green Thermally Activated Delayed Fluorescent Molecule

Marghad, I., Kim, D. H., Tian, X., Mathevet, F., Gosmini, C., Ribierre, J. C. & Adachi, C., 2018, In : ACS Omega. 3, 2, p. 2254-2260 7 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Exciton diffusion in bifluorene single crystals studied by light induced transient grating technique

Baronas, P., Ščajev, P., Cerkasovas, V., Kreiza, G., Adomenas, P., Adomeniene, O., Kazlauskas, K., Adachi, C. & Juršenas, S., Jan 15 2018, In : Applied Physics Letters. 112, 3, 033302.

Research output: Contribution to journalArticle

6 Citations (Scopus)
2017

Electrogenerated Chemiluminescence of a BODIPY Derivative with Extended Conjugation

Ishimatsu, R., Shintaku, H., Adachi, C., Nakano, K. & Imato, T., Jan 1 2017, In : ChemistrySelect. 2, 32, p. 10531-10536 6 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)
2019

Turn on of sky-blue thermally activated delayed fluorescence and circularly polarized luminescence (CPL): Via increased torsion by a bulky carbazolophane donor

Sharma, N., Spuling, E., Mattern, C. M., Li, W., Fuhr, O., Tsuchiya, Y., Adachi, C., Bräse, S., Samuel, I. D. W. & Zysman-Colman, E., 2019, In : Chemical Science. 10, 27, p. 6689-6696 8 p.

Research output: Contribution to journalArticle

Open Access
13 Citations (Scopus)
2018

Triplet-triplet annihilation in a thermally activated delayed fluorescence emitter lightly doped in a host

Niwa, A., Haseyama, S., Kobayashi, T., Nagase, T., Goushi, K., Adachi, C. & Naito, H., Aug 20 2018, In : Applied Physics Letters. 113, 8, 083301.

Research output: Contribution to journalArticle

4 Citations (Scopus)
2019

Induction heating evaporator for the fabrication of OLEDs

Kobayashi, S. I., Yasumatsu, M., Fujimoto, H., Harada, K., Miyazak, H. & Adachi, C., Jan 1 2019, In : Digest of Technical Papers - SID International Symposium. 50, Book 2, p. 1087-1090 4 p.

Research output: Contribution to journalConference article

1 Citation (Scopus)
2017

Deep-blue light emission with a wide-bandgap naphthalene-derivative liquid organic semiconductor host

Kobayashi, N., Kuwae, H., Oshima, J., Ishimatsu, R., Tashiro, S., Imato, T., Adachi, C., Shoji, S. & Mizuno, J., Jan 1 2017, Organic Photonic Materials and Devices XIX 2017. Kajzar, F., Kaino, T., Tabor, C. E. & Koike, Y. (eds.). SPIE, 101011B. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10101).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2018

A wide-energy-gap naphthalene-based liquid organic semiconductor host for liquid deep-blue organic light-emitting diodes

Kobayashi, N., Kuwae, H., Oshima, J., Ishimatsu, R., Tashiro, S., Imato, T., Adachi, C., Shoji, S. & Mizuno, J., Aug 2018, In : Journal of Luminescence. 200, p. 19-23 5 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)
2017
6 Citations (Scopus)
2019

Origin of dual emission in σ-bridged donor-acceptor TADF compounds

Skaisgiris, R., Serevičius, T., Kazlauskas, K., Geng, Y., Adachi, C. & Juršėnas, S., Jan 1 2019, In : Journal of Materials Chemistry C. 7, 40, p. 12601-12609 9 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
2017

Strong luminescence behavior of mono- and dimeric imidazoquinazolines: Swift OLED degradation under electrical current

Pandey, R., Méhes, G., Kumar, A., Singh, R. S., Kumar, A., Adachi, C. & Pandey, D. S., Jan 1 2017, In : Journal of Luminescence. 181, p. 252-260 9 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Versatile Molecular Functionalization for Inhibiting Concentration Quenching of Thermally Activated Delayed Fluorescence

Lee, J., Aizawa, N., Numata, M., Adachi, C. & Yasuda, T., Jan 1 2017, In : Advanced Materials. 29, 4, 1604856.

Research output: Contribution to journalArticle

104 Citations (Scopus)
2018

Near-Infrared Electroluminescence and Low Threshold Amplified Spontaneous Emission above 800 nm from a Thermally Activated Delayed Fluorescent Emitter

Ye, H., Kim, D. H., Chen, X., Sandanayaka, A. S. D., Kim, J. U., Zaborova, E., Canard, G., Tsuchiya, Y., Choi, E. Y., Wu, J. W., Fages, F., Bredas, J. L., D'Aléo, A., Ribierre, J. C. M. & Adachi, C., Oct 9 2018, In : Chemistry of Materials. 30, 19, p. 6702-6710 9 p.

Research output: Contribution to journalArticle

20 Citations (Scopus)
2017

Methylammonium Lead Bromide Perovskite Light-Emitting Diodes by Chemical Vapor Deposition

Leyden, M. R., Meng, L., Jiang, Y., Ono, L. K., Qiu, L., Juarez-Perez, E. J., Qin, C., Adachi, C. & Qi, Y., Jul 20 2017, In : Journal of Physical Chemistry Letters. 8, 14, p. 3193-3198 6 p.

Research output: Contribution to journalArticle

51 Citations (Scopus)
2018

Low Amplified Spontaneous Emission Threshold and Efficient Electroluminescence from a Carbazole Derivatized Excited-State Intramolecular Proton Transfer Dye

Mai, V. T. N., Shukla, A., Mamada, M., Maedera, S., Shaw, P. E., Sobus, J., Allison, I., Adachi, C., Namdas, E. B. & Lo, S. C., Nov 21 2018, In : ACS Photonics. 5, 11, p. 4447-4455 9 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)
2019

Red/Near-Infrared Thermally Activated Delayed Fluorescence OLEDs with Near 100 % Internal Quantum Efficiency

Chen, J. X., Tao, W. W., Chen, W. C., Xiao, Y. F., Wang, K., Cao, C., Yu, J., Li, S., Geng, F. X., Adachi, C., Lee, C. S. & Zhang, X. H., Oct 7 2019, In : Angewandte Chemie - International Edition. 58, 41, p. 14660-14665 6 p.

Research output: Contribution to journalArticle

28 Citations (Scopus)

Triplet–triplet upconversion enhanced by spin–orbit coupling in organic light-emitting diodes

Ieuji, R., Goushi, K. & Adachi, C., Dec 1 2019, In : Nature communications. 10, 1, 5283.

Research output: Contribution to journalArticle

Open Access
5 Citations (Scopus)
2017

Joule heat-induced breakdown of organic thin-film devices under pulse operation

Yoshida, K., Matsushima, T., Shiihara, Y., Kuwae, H., Mizuno, J. & Adachi, C., May 21 2017, In : Journal of Applied Physics. 121, 19, 195503.

Research output: Contribution to journalArticle

5 Citations (Scopus)
2019

The origin of changes in electrical properties of organic films fabricated at various vacuum-deposition rates

Mikaeili, A., Matsusima, T., Esaki, Y., Yazdani, S. A., Adachi, C. & Mohajerani, E., May 1 2019, In : Optical Materials. 91, p. 93-100 8 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
2017
23 Citations (Scopus)
2019

Highly efficient thermally activated delayed fluorescence with slow reverse intersystem crossing

Noda, H., Nakanotani, H. & Adachi, C., Jan 1 2019, In : Chemistry Letters. 48, 2, p. 126-129 4 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Fabrication-method independence of organic long-persistent luminescence performance

Jinnai, K., Nishimura, N., Kabe, R. & Adachi, C., Jan 1 2019, In : Chemistry Letters. 48, 3, p. 270-273 4 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Detecting and identifying reversible changes in perovskite solar cells by electrochemical impedance spectroscopy

Klotz, D., Tumen-Ulzii, G., Qin, C., Matsushima, T. & Adachi, C., Jan 1 2019, In : RSC Advances. 9, 57, p. 33436-33445 10 p.

Research output: Contribution to journalArticle

Open Access
1 Citation (Scopus)

TADF activation by solvent freezing: The role of nonradiative triplet decay and spin-orbit coupling in carbazole benzonitrile derivatives

Hosokai, T., Nakanotani, H., Santou, S., Noda, H., Nakayama, Y. & Adachi, C., Jun 1 2019, In : Synthetic Metals. 252, p. 62-68 7 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
2017

Confinement of Long-Lived Triplet Excitons in Organic Semiconducting Host–Guest Systems

Notsuka, N., Kabe, R., Goushi, K. & Adachi, C., Oct 26 2017, In : Advanced Functional Materials. 27, 40, 1703902.

Research output: Contribution to journalArticle

23 Citations (Scopus)
2018

Wide-Range Tuning and Enhancement of Organic Long-Persistent Luminescence Using Emitter Dopants

Jinnai, K., Kabe, R. & Adachi, C., Sep 20 2018, In : Advanced Materials. 30, 38, 1800365.

Research output: Contribution to journalArticle

21 Citations (Scopus)
2019

Degradation Mechanism and Stability Improvement Strategy for an Organic Laser Gain Material 4,4′-Bis[(N-carbazole)styryl]biphenyl (BSBCz)

Matsushima, T., Yoshida, S., Inada, K., Esaki, Y., Fukunaga, T., Mieno, H., Nakamura, N., Bencheikh, F., Leyden, M. R., Komatsu, R., Qin, C., Sandanayaka, A. S. D. & Adachi, C., Mar 7 2019, In : Advanced Functional Materials. 29, 10, 1807148.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2017

Near-infrared organic light-emitting diodes for biosensing with high operating stability

Yamanaka, T., Nakanotani, H., Hara, S., Hirohata, T. & Adachi, C., Jul 2017, In : Applied Physics Express. 10, 7, 074101.

Research output: Contribution to journalArticle

21 Citations (Scopus)

Centrifugal-Coated Quasi-Two-Dimensional Perovskite CsPb2Br5 Films for Efficient and Stable Light-Emitting Diodes

Qin, C., Matsushima, T., Sandanayaka, A. S. D., Tsuchiya, Y. & Adachi, C., Nov 2 2017, In : Journal of Physical Chemistry Letters. 8, 21, p. 5415-5421 7 p.

Research output: Contribution to journalArticle

32 Citations (Scopus)

Influence of the organic film thickness on the second order distributed feedback resonator properties of an organic semiconductor laser

Bencheikh, F., Sandanayaka, A. S. D., Matsushima, T., Ribierre, J. C. & Adachi, C., Jun 21 2017, In : Journal of Applied Physics. 121, 23, 233107.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Extremely low amplified spontaneous emission threshold and blue electroluminescence from a spin-coated octafluorene neat film

Kim, D. H., Sandanayaka, A. S. D., Zhao, L., Pitrat, D., Mulatier, J. C., Matsushima, T., Andraud, C., Ribierre, J. C. & Adachi, C., Jan 9 2017, In : Applied Physics Letters. 110, 2, 023303.

Research output: Contribution to journalArticle

23 Citations (Scopus)
2018

Synthesis and physical properties of brominated hexacene and hole-transfer properties of thin-film transistors

Watanabe, M., Miyazaki, T., Matsushima, T., Matsuda, J., Chein, C. T., Shibahara, M., Adachi, C., Sun, S. S., Chow, T. J. & Ishihara, T., Jan 1 2018, In : RSC Advances. 8, 24, p. 13259-13265 7 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)
2017

Fabrication of high coverage MASnI3 perovskite films for stable, planar heterojunction solar cells

Fujihara, T., Terakawa, S., Matsushima, T., Qin, C., Yahiro, M. & Adachi, C., Jan 1 2017, In : Journal of Materials Chemistry C. 5, 5, p. 1121-1127 7 p.

Research output: Contribution to journalArticle

44 Citations (Scopus)

Controlling Singlet–Triplet Energy Splitting for Deep-Blue Thermally Activated Delayed Fluorescence Emitters

Cui, L. S., Nomura, H., Geng, Y., Kim, J. U. K., Nakanotani, H. & Adachi, C., Jan 1 2017, In : Angewandte Chemie - International Edition. 56, 6, p. 1571-1575 5 p.

Research output: Contribution to journalArticle

184 Citations (Scopus)
2018

Reversible control of triplet dynamics in metal-organic framework-entrapped organic emitters via external gases

Mieno, H., Kabe, R. & Adachi, C., Dec 1 2018, In : Communications Chemistry. 1, 1, 27.

Research output: Contribution to journalArticle

Open Access
4 Citations (Scopus)
2017

Enhanced Electrical Properties and Air Stability of Amorphous Organic Thin Films by Engineering Film Density

Esaki, Y., Komino, T., Matsushima, T. & Adachi, C., Dec 7 2017, In : Journal of Physical Chemistry Letters. 8, 23, p. 5891-5897 7 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)
2018

Amplified spontaneous emission in phenylethylammonium methylammonium lead iodide quasi-2D perovskites

Leyden, M. R., Matsushima, T., Qin, C., Ruan, S., Ye, H. & Adachi, C., 2018, In : Physical Chemistry Chemical Physics. 20, 22, p. 15030-15036 7 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Well-ordered films of disk-shaped thermally activated delayed fluorescence molecules

Hasegawa, Y., Minami, H., Kanada, S., Yamada, Y., Sasaki, M., Hosokai, T., Nakanotani, H. & Adachi, C., Jul 1 2018, In : Journal of Photonics for Energy. 8, 3, 032110.

Research output: Contribution to journalArticle

2019

Critical role of intermediate electronic states for spin-flip processes in charge-transfer-type organic molecules with multiple donors and acceptors

Noda, H., Chen, X. K., Nakanotani, H., Hosokai, T., Miyajima, M., Notsuka, N., Kashima, Y., Brédas, J. L. & Adachi, C., Oct 1 2019, In : Nature Materials. 18, 10, p. 1084-1090 7 p.

Research output: Contribution to journalArticle

25 Citations (Scopus)
2017

In-Plane Anisotropic Molecular Orientation of Pentafluorene and Its Application to Linearly Polarized Electroluminescence

Komino, T., Kuwae, H., Okada, A., Fu, W., Mizuno, J., Ribierre, J-C., Oki, Y. & Adachi, C., Aug 16 2017, In : ACS applied materials & interfaces. 9, 32, p. 27054-27061 8 p.

Research output: Contribution to journalArticle

2019

Luminescent Cu(I) and Ag(I) coordination polymers: Fast phosphorescence or thermally activated delayed fluorescence

Li, G., Ye, H., Zhu, F., Geng, Y., Fan, J., Ma, J., Adachi, C. & Dong, Y. B., Nov 2019, In : Chinese Chemical Letters. 30, 11, p. 1931-1934 4 p.

Research output: Contribution to journalArticle

2017

Importance of chamber environment for stable OLEDs

Fujimoto, H., Suekane, T., Imanishi, K., Yukiwaki, S., Wei, H., Nagayoshi, K., Yahiro, M. & Adachi, C., Jan 1 2017, 24th International Display Workshops, IDW 2017. International Display Workshops, p. 708-710 3 p. (Proceedings of the International Display Workshops; vol. 1).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2019

A solvent-free and vacuum-free melt-processing method to fabricate organic semiconducting layers with large crystal size for organic electronic applications

Ribierre, J. C. M., Li, Z., Liu, X., Lacaze, E., Heinrich, B., Méry, S., Sleczkowski, P., Xiao, Y., Lafolet, F., Hashizume, D., Aoyama, T., Uchiyama, M., Wu, J. W., Zaborova, E., Fages, F., D'Aléo, A., Mathevet, F. D. & Adachi, C., Jan 1 2019, In : Journal of Materials Chemistry C. 7, 11, p. 3190-3198 9 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)
2018

Ultrahigh Power Efficiency Thermally Activated Delayed Fluorescent OLEDs by the Strategic Use of Electron-Transport Materials

Sasabe, H., Sato, R., Suzuki, K., Watanabe, Y., Adachi, C., Kaji, H. & Kido, J., Sep 4 2018, In : Advanced Optical Materials. 6, 17, 1800376.

Research output: Contribution to journalArticle

8 Citations (Scopus)