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  • 2020
  • 2019
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Author

  • Chihaya Adachi
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

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

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

2020

Intersystem Crossing Rate in Thermally Activated Delayed Fluorescence Emitters

Kobayashi, T., Kawate, D., Niwa, A., Nagase, T., Goushi, K., Adachi, C. & Naito, H., Feb 1 2020, In : Physica Status Solidi (A) Applications and Materials Science. 217, 3, 1900616.

Research output: Contribution to journalArticle

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)

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)

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)

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)

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)
2020

Exciton–Exciton Annihilation in Thermally Activated Delayed Fluorescence Emitter

Hasan, M., Shukla, A., Ahmad, V., Sobus, J., Bencheikh, F., McGregor, S. K. M., Mamada, M., Adachi, C., Lo, S. C. & Namdas, E. B., Jul 1 2020, In : Advanced Functional Materials. 30, 30, 2000580.

Research output: Contribution to journalArticle

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)

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

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)
2020

Through Space Charge Transfer for Efficient Sky-Blue Thermally Activated Delayed Fluorescence (TADF) Emitter with Unconjugated Connection

Wang, Y. K., Huang, C. C., Ye, H., Zhong, C., Khan, A., Yang, S. Y., Fung, M. K., Jiang, Z. Q., Adachi, C. & Liao, L. S., Jan 1 2020, In : Advanced Optical Materials. 8, 2, 1901150.

Research output: Contribution to journalArticle

5 Citations (Scopus)
Open Access
2 Citations (Scopus)
2019

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)
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)
2020

Design Strategy for Robust Organic Semiconductor Laser Dyes

Oyama, Y., Mamada, M., Shukla, A., Moore, E. G., Lo, S. C., Namdas, E. B. & Adachi, C., Feb 3 2020, In : ACS Materials Letters. 2, 2, p. 161-167 7 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

High EQE and High Brightness Solution-Processed TADF Light-Emitting Transistors and OLEDs

Ahmad, V., Sobus, J., Bencheikh, F., Mamada, M., Adachi, C., Lo, S. C. & Namdas, E. B., 2020, (Accepted/In press) In : Advanced Optical Materials.

Research output: Contribution to journalArticle

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)

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)
2020

F8BT Oligomers for Organic Solid-State Lasers

Mamada, M., Komatsu, R. & Adachi, C., Jun 24 2020, In : ACS Applied Materials and Interfaces. 12, 25, p. 28383-28391 9 p.

Research output: Contribution to journalArticle

2019

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)

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)

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)
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)
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)

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)
2020

Enhanced Operational Durability of Thermally Activated Delayed Fluorescence-Based Organic Light-Emitting Diodes with a Triazine Electron Transporter

Yamaguchi, K., Matsushima, T., Sandanayaka, A. S. D., Homma, Y., Uchida, N. & Adachi, C., May 4 2020, In : Chemistry - A European Journal. 26, 25, p. 5598-5602 5 p.

Research output: Contribution to journalArticle

2019

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)
2020

Utilization of Multi-Heterodonors in Thermally Activated Delayed Fluorescence Molecules and Their High Performance Bluish-Green Organic Light-Emitting Diodes

Balijapalli, U., Tanaka, M., Auffray, M., Chan, C. Y., Lee, Y. T., Tsuchiya, Y., Nakanotani, H. & Adachi, C., Feb 26 2020, In : ACS Applied Materials and Interfaces. 12, 8, p. 9498-9506 9 p.

Research output: Contribution to journalArticle

1 Citation (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)
2020

Interplay Among Thermoelectric Properties, Atmospheric Stability, and Electronic Structures in Solution-Deposited Thin Films of P(NaX[Niett])

Hwang, S., Potscavage, W. J., Kim, T. W. & Adachi, C., Jan 1 2020, (Accepted/In press) In : Advanced Electronic Materials. 1901172.

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

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)
2019

Excellent Semiconductors Based on Tetracenotetracene and Pentacenopentacene: From Stable Closed-Shell to Singlet Open-Shell

Jousselin-Oba, T., Mamada, M., Marrot, J., Maignan, A., Adachi, C., Yassar, A. & Frigoli, M., Jun 12 2019, In : Journal of the American Chemical Society. 141, 23, p. 9373-9381 9 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Thermally Activated Delayed Fluorescence Carbonyl Derivatives for Organic Light-Emitting Diodes with Extremely Narrow Full Width at Half-Maximum

Li, X., Shi, Y. Z., Wang, K., Zhang, M., Zheng, C. J., Sun, D. M., Dai, G. L., Fan, X. C., Wang, D. Q., Liu, W., Li, Y. Q., Yu, J., Ou, X. M., Adachi, C. & Zhang, X. H., Apr 10 2019, In : ACS Applied Materials and Interfaces. 11, 14, p. 13472-13480 9 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)
Open Access
2 Citations (Scopus)

Thermally activated delayed fluorescence with 7% external quantum efficiency from a light-emitting electrochemical cell

Lundberg, P., Tsuchiya, Y., Lindh, E. M., Tang, S., Adachi, C. & Edman, L., Dec 1 2019, In : Nature communications. 10, 1, 5307.

Research output: Contribution to journalArticle

Open Access
1 Citation (Scopus)
2020

Enhanced Energy Transfer in Doped Bifluorene Single Crystals: Prospects for Organic Lasers

Baronas, P., Kreiza, G., Mamada, M., Maedera, S., Adomėnas, P., Adomėnienė, O., Kazlauskas, K., Adachi, C. & Juršėnas, S., Feb 1 2020, In : Advanced Optical Materials. 8, 4, 1901670.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Orange organic long-persistent luminescence from an electron donor/acceptor binary system

Lin, Z., Kabe, R. & Adachi, C., Jan 1 2020, In : Chemistry Letters. 49, 2, p. 203-206 4 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
2018

Vacuum chamber considerations for improved organic light-emitting diode lifetime

Fujimoto, H., Kobayashi, S. I., Mo, H. W., Yukiwaki, S., Nagayoshi, K., Yasumatsu, M., Harada, K. & Adachi, C., Aug 1 2018, In : AIP Advances. 8, 8, 085025.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Grain Boundary Engineering of Halide Perovskite CH3NH3PbI3 Solar Cells with Photochemically Active Additives

Faraji, N., Qin, C., Matsusima, T., Adachi, C. & Seidel, J., Mar 8 2018, In : Journal of Physical Chemistry C. 122, 9, p. 4817-4821 5 p.

Research output: Contribution to journalArticle

17 Citations (Scopus)

Organic Long-Persistent Luminescence from a Flexible and Transparent Doped Polymer

Lin, Z., Kabe, R., Nishimura, N., Jinnai, K. & Adachi, C., Nov 8 2018, In : Advanced Materials. 30, 45, 1803713.

Research output: Contribution to journalArticle

18 Citations (Scopus)