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  • Chihaya Adachi
2020

An Organic Laser Dye having a Small Singlet-Triplet Energy Gap Makes the Selection of a Host Material Easier

Karunathilaka, B. S. B., Balijapalli, U., Senevirathne, C. A. M., Esaki, Y., Goushi, K., Matsushima, T., Sandanayaka, A. S. D. & Adachi, C., Jan 1 2020, (Accepted/In press) In : Advanced Functional Materials.

Research output: Contribution to journalArticle

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

Detrimental Effect of Unreacted PbI2 on the Long-Term Stability of Perovskite Solar Cells

Tumen-Ulzii, G., Qin, C., Klotz, D., Leyden, M. R., Wang, P., Auffray, M., Fujihara, T., Matsushima, T., Lee, J. W., Lee, S. J., Yang, Y. & Adachi, C., Apr 1 2020, In : Advanced Materials. 32, 16, 1905035.

Research output: Contribution to journalArticle

2 Citations (Scopus)

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)

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

Excited State Dynamics of Thermally Activated Delayed Fluorescence from an Excited State Intramolecular Proton Transfer System

Long, Y., Mamada, M., Li, C., Dos Santos, P. L., Colella, M., Danos, A., Adachi, C. & Monkman, A., May 7 2020, In : The journal of physical chemistry letters. 11, 9, p. 3305-3312 8 p.

Research output: Contribution to journalArticle

Open Access

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., Jan 1 2020, (Accepted/In press) In : Advanced Functional Materials.

Research output: Contribution to journalArticle

Open Access
1 Citation (Scopus)

Influence of energy gap between charge-transfer and locally excited states on organic long persistence luminescence

Lin, Z., Kabe, R., Wang, K. & Adachi, C., Dec 1 2020, In : Nature communications. 11, 1, 191.

Research output: Contribution to journalArticle

Open Access
1 Citation (Scopus)

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

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

Killer impurities in vacuum chamber that affect the lifetime of organic light-emitting diodes

Fujimoto, H., Nakamura, T., Nagayoshi, K., Harada, K., Miyazaki, H., Kurata, T., Kiyota, J. & Adachi, C., Apr 6 2020, In : Applied Physics Letters. 116, 14, 143301.

Research output: Contribution to journalArticle

Many Exciplex Systems Exhibit Organic Long-Persistent Luminescence

Nishimura, N., Lin, Z., Jinnai, K., Kabe, R. & Adachi, C., May 1 2020, In : Advanced Functional Materials. 30, 22, 2000795.

Research output: Contribution to journalArticle

Molecular Design Based on Donor-Weak Donor Scaffold for Blue Thermally-Activated Delayed Fluorescence Designed by Combinatorial DFT Calculations

Tsuchiya, Y., Tsuji, K., Inada, K., Bencheikh, F., Geng, Y., Kwak, H. S., Mustard, T. J. L., Halls, M. D., Nakanotani, H. & Adachi, C., May 6 2020, In : Frontiers in Chemistry. 8, 403.

Research output: Contribution to journalArticle

Open Access

Nanosecond-time-scale delayed fluorescence molecule for deep-blue OLEDs with small efficiency rolloff

Kim, J. U., Park, I. S., Chan, C. Y., Tanaka, M., Tsuchiya, Y., Nakanotani, H. & Adachi, C., Dec 1 2020, In : Nature communications. 11, 1, 1765.

Research output: Contribution to journalArticle

Open Access
3 Citations (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)
6 Citations (Scopus)

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

3 Citations (Scopus)

Triplet management for efficient perovskite light-emitting diodes

Qin, C., Matsushima, T., Potscavage, W. J., Sandanayaka, A. S. D., Leyden, M. R., Bencheikh, F., Goushi, K., Mathevet, F. D., Heinrich, B., Yumoto, G., Kanemitsu, Y. & Adachi, C., Feb 1 2020, In : Nature Photonics. 14, 2, p. 70-75 6 p.

Research output: Contribution to journalLetter

6 Citations (Scopus)

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

2019

A chemical structure approach enhancing light outcoupling of dopant OLEDs and internal quantum efficiency of non-dopant OLEDs having bluish TADF emitters

Lee, Y. T., Tseng, P. C., Komino, T., Mamada, M., Lee, J. H., Adachi, C., Chen, C. T. & Chen, C. T., Jan 1 2019, In : Digest of Technical Papers - SID International Symposium. 50, Book 1, p. 470-473 4 p.

Research output: Contribution to journalConference article

Anisotropy of thermal diffusivity in lead halide perovskite layers revealed by thermal grating technique

Ščajev, P., Aleksieju Nas, R., Terakawa, S., Qin, C., Fujihara, T., Matsushima, T., Adachi, C. & Juršenas, S., Jun 20 2019, In : Journal of Physical Chemistry C. 123, 24, p. 14914-14920 7 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

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)

Carrier Recombination and Diffusion in Wet-Cast Tin Iodide Perovskite Layers under High Intensity Photoexcitation

Ščajev, P., Aleksiejū Nas, R. N., Baronas, P., Litvinas, D., Kolenda, M., Qin, C., Fujihara, T., Matsushima, T., Adachi, C. & Juršėnas, S., Aug 15 2019, In : Journal of Physical Chemistry C. 123, 32, p. 19275-19281 7 p.

Research output: Contribution to journalArticle

Control of the dual emission from a thermally activated delayed fluorescence emitter containing phenothiazine units in organic light-emitting diodes

Marghad, I., Bencheikh, F., Wang, C., Manolikakes, S., Rérat, A., Gosmini, C., Kim, D. H., Ribierre, J. C. & Adachi, C., 2019, In : RSC Advances. 9, 8, p. 4336-4343 8 p.

Research output: Contribution to journalArticle

Open Access
9 Citations (Scopus)

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

20 Citations (Scopus)

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)
2 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)
Open Access
1 Citation (Scopus)

Distributed Feedback Lasers and Light-Emitting Diodes Using 1-Naphthylmethylamnonium Low-Dimensional Perovskite

Leyden, M. R., Terakawa, S., Matsushima, T., Ruan, S., Goushi, K., Auffray, M., Sandanayaka, A. S. D., Qin, C., Bencheikh, F. & Adachi, C., Feb 20 2019, In : ACS Photonics. 6, 2, p. 460-466 7 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)

Dithia[3.3]paracyclophane Core: A Versatile Platform for Triplet State Fine-Tuning and Through-Space TADF Emission

Auffray, M., Kim, D. H., Kim, J. U., Bencheikh, F., Kreher, D., Zhang, Q., D'Aléo, A., Ribierre, J. C. M., Mathevet, F. D. & Adachi, C., Jun 3 2019, In : Chemistry - An Asian Journal. 14, 11, p. 1921-1925 5 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)
5 Citations (Scopus)

Electrogenerated Chemiluminescence and Electronic States of Several Organometallic Eu(III) and Tb(III) Complexes: Effects of the Ligands

Ishimatsu, R., Kunisawa, E., Nakano, K., Adachi, C. & Imato, T., Mar 7 2019, In : ChemistrySelect. 4, 9, p. 2815-2831 17 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Enhanced near-infrared electroluminescence from a neodymium complex in organic light-emitting diodes with a solution-processed exciplex host

Shahalizad, A., Kim, D. H., Rao Bobbara, S., Tsuchiya, Y., D'Aléo, A., Andraud, C., Ribierre, J. C. M., Nunzi, J. M. & Adachi, C., Jan 21 2019, In : Applied Physics Letters. 114, 3, 033301.

Research output: Contribution to journalArticle

4 Citations (Scopus)

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)

Excited-state stability of quasi-two-dimensional metal halide perovskite films under optical and electrical excitations

Watanabe, S., Cheng, T., Tumen-Ulzii, G., Qin, C., Matsushima, T. & Adachi, C., Dec 2 2019, In : Applied Physics Letters. 115, 23, 233502.

Research output: Contribution to journalArticle

1 Citation (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)

Film transfer of structured organo-lead-halide perovskite for low-cost lasing applications

Leyden, M. R., Matsushima, T., Bencheikh, F. & Adachi, C., Sep 30 2019, In : Applied Physics Letters. 115, 14, 141106.

Research output: Contribution to journalArticle

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)

High performance from extraordinarily thick organic light-emitting diodes

Matsushima, T., Bencheikh, F., Komino, T., Leyden, M. R., Sandanayaka, A. S. D., Qin, C. & Adachi, C., Aug 22 2019, In : Nature. 572, 7770, p. 502-506 5 p.

Research output: Contribution to journalArticle

21 Citations (Scopus)

High-triplet-energy Bipolar Host Materials Based on Phosphine Oxide Derivatives for Efficient Sky-blue Thermally Activated Delayed Fluorescence Organic Light-emitting Diodes with Reduced Roll-off

Kim, J. U., Wong, M. Y., Kumar, S., Hayes, O. G., Duncan, F., Chan, C. Y., Wong, B. Y. W., Ye, H., Cui, L. S., Nakanotani, H., Zysman-Colman, E. & Adachi, C., Jan 1 2019, In : Chemistry Letters. 48, 10, p. 1225-1228 4 p.

Research output: Contribution to journalArticle

Indication of current-injection lasing from an organic semiconductor

Sandanayaka, A. S. D., Matsushima, T., Bencheikh, F., Terakawa, S., Potscavage, W. J., Qin, C., Fujihara, T., Goushi, K., Ribierre, J. C. M. & Adachi, C., Jun 1 2019, In : Applied Physics Express. 12, 6, 061010.

Research output: Contribution to journalArticle

Open Access
31 Citations (Scopus)

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)

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

Intramolecular Noncovalent Interactions Facilitate Thermally Activated Delayed Fluorescence (TADF)

Chen, X. K., Bakr, B. W., Auffray, M., Tsuchiya, Y., Sherrill, C. D., Adachi, C. & Bredas, J. L., Jun 20 2019, In : Journal of Physical Chemistry Letters. 10, 12, p. 3260-3268 9 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)