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Journal articles on the topic 'Exciplex'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Xiao, Peng, Junhua Huang, Yicong Yu, et al. "Recent Advances of Exciplex-Based White Organic Light-Emitting Diodes." Applied Sciences 8, no. 9 (2018): 1449. http://dx.doi.org/10.3390/app8091449.

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Recently, exciplexes have been actively investigated in white organic light-emitting diodes (WOLEDs), since they can be effectively functioned as (i) fluorescent or thermally activated delayed fluorescent (TADF) emitters; (ii) the hosts of fluorescent, phosphorescent and TADF dopants. By virtue of the unique advantages of exciplexes, high-performance exciplex-based WOLEDs can be achieved. In this invited review, we have firstly described fundamental concepts of exciplexes and their use in organic light-emitting diodes (OLEDs). Then, we have concluded the primary strategies to develop exciplex-

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2

Nikul’shin, Pavel V., Roman G. Fedunov, Leonid V. Kuibida, Alexander M. Maksimov, Evgeni M. Glebov, and Dmitri V. Stass. "Recombination of X-ray-Generated Radical Ion Pairs in Alkane Solution Assembles Optically Inaccessible Exciplexes from a Series of Perfluorinated para-Oligophenylenes with N,N-Dimethylaniline." International Journal of Molecular Sciences 24, no. 8 (2023): 7568. http://dx.doi.org/10.3390/ijms24087568.

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We demonstrate that a series of perfluorinated para-oligophenylenes C6F5-(C6F4)n-C6F5 (n = 1–3) produce exciplexes with N,N-dimethylaniline (DMA) in degassed X-irradiated n-dodecane solutions. The optical characterization of the compounds shows that their short fluorescence lifetimes (ca. 1.2 ns) and UV-Vis absorption spectra, overlapping with the spectrum of DMA with molar absorption coefficients of 2.7–4.6 × 104 M−1cm−1, preclude the standard photochemical exciplex formation pathway via selective optical generation of the local excited state of the donor and its bulk quenching by the accepto

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3

Lewis, Frederick D., Jill M. Wagner-Brennan, and Alan M. Miller. "Article." Canadian Journal of Chemistry 77, no. 5-6 (1999): 595–604. http://dx.doi.org/10.1139/v98-229.

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The photophysical and photochemical behavior of several aniline spacer - styrene molecules in which the spacer is a short polymethylene chain has been investigated. Long wavelength excitation selectively excites the aniline chromophore which undergoes intramolecular quenching by the styrene to yield an intramolecular exciplex. Exciplex fluorescence is observed for both of the tertiary anilines investigated and for one of the three secondary anilines. More rapid exciplex formation in nonpolar vs. polar solvents is attributed to the necessity of desolvating the polar aniline singlet in polar sol

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4

Zhao, Juewen, Caijun Zheng, Yu Zhou, et al. "Novel small-molecule electron donor for solution-processed ternary exciplex with 24% external quantum efficiency in organic light-emitting diode." Materials Horizons 6, no. 7 (2019): 1425–32. http://dx.doi.org/10.1039/c9mh00373h.

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5

Hoang, Hao Minh, and Van Thi Bich Pham. "Magnetic field effect on exciplex-forming organic acceptor/donor system: a powerful tool for understanding the preferential solvation." Science and Technology Development Journal 19, no. 3 (2016): 65–75. http://dx.doi.org/10.32508/stdj.v19i3.475.

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Many acceptor/donor systems can form excited-state charge-transfer complexes (exciplexes) in photo-induced electron transfer reactions. Exciplex can be detected by their luminescence. In addition, the exciplex luminescence is magneto-sensitive. Here, we employ an approach based on the magnetic field effect on the exciplex of 9,10- dimethylanthracene/N,N-dimethylaniline pair in micro-homogeneous and micro-heterogeneous binary solvents to investigate the effects of the preferential solvation processes on solute molecules in solutions. Micro-homogeneous solvent mixtures of propyl acetate (PA)/but

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6

Zhao, Bo, Heng Zhang, Yanqin Miao, et al. "High color stability and CRI (>80) fluorescent white organic light-emitting diode based pure emission of exciplexes by employing merely complementary colors." Journal of Materials Chemistry C 6, no. 2 (2018): 304–11. http://dx.doi.org/10.1039/c7tc05196d.

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7

Guzauskas, Matas, Dmytro Volyniuk, Ausra Tomkeviciene, Anna Pidluzhna, Algirdas Lazauskas, and Juozas Vidas Grazulevicius. "Dual nature of exciplexes: exciplex-forming properties of carbazole and fluorene hybrid trimers." Journal of Materials Chemistry C 7, no. 1 (2019): 25–32. http://dx.doi.org/10.1039/c8tc04708a.

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Two exciplexes were detected for the first time for the known exciplex-forming system consisting of electron donating 1,3-bis(N-carbazolyl)benzene and electron accepting 2,4,6-tris[3-(diphenylphosphinyl)phenyl]-1,3,5-triazine.

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8

Luo, Dian, Chung-Tsung Hsieh, Yen-Po Wang, Thomas C. Chuang, Hsin-Hua Chang, and Chih-Hao Chang. "Pure exciplex-based white organic light-emitting diodes with imitation daylight emissions." RSC Advances 8, no. 53 (2018): 30582–88. http://dx.doi.org/10.1039/c8ra04986f.

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Three hole-transporting material (HTM)/electron-transporting material (ETM) combinations are chosen to generate blue, green and red exciplexes, allowing us to design precise device architectures for the fabrication of exciplex-based white OLEDs with daylight-like emissions.

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9

Park, Jae Whee, Kwang Hyun Cho, and Young Min Rhee. "Mechanism of Ir(ppy)3 Guest Exciton Formation with the Exciplex-Forming TCTA:TPBI Cohost within a Phosphorescent Organic Light-Emitting Diode Environment." International Journal of Molecular Sciences 23, no. 11 (2022): 5940. http://dx.doi.org/10.3390/ijms23115940.

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Cohosts based on hole transporting and electron transporting materials often act as exciplexes in the form of intermolecular charge transfer complexes. Indeed, exciplex-forming cohosts have been widely developed as the host materials for efficient phosphorescent organic light-emitting diodes (OLEDs). In host–guest systems of OLEDs, the guest can be excited by two competing mechanisms, namely, excitation energy transfer (EET) and charge transfer (CT). Experimentally, it has been reported that the EET mechanism is dominant and the excitons are primarily formed in the host first and then transfer

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10

Melton, Lynn A. "Exciplex-Based Vapor/Liquid Visualization Systems Appropriate for Automotive Gasolines." Applied Spectroscopy 47, no. 6 (1993): 782–86. http://dx.doi.org/10.1366/0003702934067081.

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This paper reports the development of exciplex-based vapor/liquid visualization systems based on exciplexes formed from tertiary amines and fluorine-substituted benzene and/or toluene. These systems are expected to be virtually coevaporative with solvents (fuels) boiling in the temperature range 70 to 110°C and thus are expected to track the vaporization of automotive gasoline effectively. A system consisting of 10% triethylamine/0.5% fluorobenzene/89.5% hexane should be coevaporative with a normal boiling point of 69°C. A system consisting of 10% n-propyldiethylamine/0.5% 4-fluorotoluene/89.5

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11

Yang, Hao-Yu, Pei-feng Yin, Heng-yuan Zhang, et al. "Development of novel acceptors with deep LUMO energy levels." Journal of Physics: Conference Series 2529, no. 1 (2023): 012001. http://dx.doi.org/10.1088/1742-6596/2529/1/012001.

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Abstract Pure-organic red exciplex emitters are far from satisfactory in terms of quantity and efficiency. The narrow lowest unoccupied molecular orbital (LUMO) energy levels range of reported acceptors together with the intrinsic exciton non-radiative decay are the dominant factors restricting the progress of red exciplexes. Herein, two acceptor molecules operating at unique LUMO of -3.51 and -3.56 eV, namely 4-(6-([1, 1’: 3’, 1”-terphenyl]-5’-yl)-1,3-dioxo-1H-benzo[de]isoquinolin-2(3H)-yl) benzonitrile (CNAI-tPh) and 4-(6-(4-(4, 6-diphenyl-1, 3, 5-triazin-2-yl)phenyl)-1, 3-dioxo-1H-benzo[de]

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12

Wei, Xiaozhen, Long Gao, Yanqin Miao, et al. "A new strategy for structuring white organic light-emitting diodes by combining complementary emissions in the same interface." Journal of Materials Chemistry C 8, no. 8 (2020): 2772–79. http://dx.doi.org/10.1039/c9tc06198c.

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13

TABLET, Cristina, and Sorana IONESCU. "Exciplex formation in the phenoxathiin-thioxanthone system." Revue Roumaine de Chimie 66, no. 1 (2021): 59–63. http://dx.doi.org/10.33224/rrch.2021.66.1.06.

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Amines and other nitrogen-containing compounds, due to their electron donor character, can form excited state emissive complexes in systems that comprise an electron acceptor. Sulphur-containing heteroaromatic compounds such as phenoxathiin are also well-known for their electron donor character. Starting from these two considerations, we aimed at finding exciplexes in which the electron donor contains sulphur. We studied several D-A pairs in solvents of different polarity and found out that the system phenoxathiin-thioxanthone presents a new emission band at longer wavelength than the D and A

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14

Wu, Qingjing, Menghan Wang, Xudong Cao та ін. "Carbazole/α-carboline hybrid bipolar compounds as electron acceptors in exciplex or non-exciplex mixed cohosts and exciplex-TADF emitters for high-efficiency OLEDs". Journal of Materials Chemistry C 6, № 32 (2018): 8784–92. http://dx.doi.org/10.1039/c8tc02353k.

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15

Guo, Yuanyuan, Yaping Zhao, Yanqin Miao, et al. "All-exciplex-based white organic light-emitting diodes by employing an interface-free sandwich light-emitting unit achieving high electroluminescence performance." Journal of Materials Chemistry C 8, no. 35 (2020): 12247–56. http://dx.doi.org/10.1039/d0tc02915g.

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16

Li, Jie, Heqi Gong, Jincheng Zhang, et al. "Efficient Exciplex-Based Deep-Blue Organic Light-Emitting Diodes Employing a Bis(4-fluorophenyl)amine-Substituted Heptazine Acceptor." Molecules 26, no. 18 (2021): 5568. http://dx.doi.org/10.3390/molecules26185568.

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The realization of a deep-blue-emitting exciplex system is a herculean task in the field of organic light-emitting diodes (OLEDs) on account of a large red-shifted and broadened exciplex emission spectrum in comparison to those of the corresponding single compounds. Herein, 2,5,8-tris(di(4-fluorophenyl)amine)-1,3,4,6,7,9,9b-heptaazaphenalene (HAP-3FDPA) was designed as an electron acceptor by integrating three bis(4-fluorophenyl)amine groups into a heptazine core, while 1,3-di(9H-carbazol-9-yl)benzene (mCP) possessing two electron-donating carbazole moieties was chosen as the electron donor. E

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17

Wang, Jiong, and Shengdong Zhang. "High-efficiency tandem red organic light-emitting diodes adopting exciplex hosts." Journal of Physics: Conference Series 2842, no. 1 (2024): 012079. http://dx.doi.org/10.1088/1742-6596/2842/1/012079.

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Abstract Deep-red organic light-emitting diodes (OLEDs) exhibit significant potential for applications in infrared medical treatment and infrared imaging. However, the OLED performance drops significantly with increasing emission wavelength due to the energy gap law. To overcome this challenge, an efficient interfacial exciplex host, NPB/TPBi, has been developed. Simulation results indicate that the interfacial exciplex host demonstrates superior performance, compared with the bulk exciplex host and single host. To further boost the performance of red OLEDs, the interfacial exciplex host was i

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18

Santra, Saikat, and Pradyut Ghosh. "Fluorophoric [2]rotaxanes: post-synthetic functionalization, conformational fluxionality and metal ion chelation." New Journal of Chemistry 44, no. 15 (2020): 5947–64. http://dx.doi.org/10.1039/d0nj00353k.

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19

Zhang, Yuan-Lan, Quan Ran, Qiang Wang, Jian Fan, and Liang-Sheng Liao. "High-efficiency exciplex-based white organic light-emitting diodes with a new tripodal material as a co-host." Journal of Materials Chemistry C 7, no. 24 (2019): 7267–72. http://dx.doi.org/10.1039/c9tc01326a.

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20

Voll, Constantin-Christian A., Georgios Markopoulos, Tony C. Wu, et al. "Lock-and-Key Exciplexes for Thermally Activated Delayed Fluorescence." Organic Materials 02, no. 01 (2020): 001–10. http://dx.doi.org/10.1055/s-0039-3402059.

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We combine synthetic supramolecular chemistry and materials science to develop novel exciplexes for thermally activated delayed fluorescence. Our approach starts from a bowl-shaped acceptor molecule for which we synthesize tailor-made donors that bind in a lock-and-key fashion. The donor design is guided by extensive density functional theory calculations of three independent donor families. The investigation of a large number of custom-synthesized donors allows us to derive empirical relationships for the prediction of the exciplex emission color. Incorporated within organic light-emitting de

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21

Sheng, Ren, Cong Chen, Erdong Zhang, et al. "Management of Exciton Distribution for High-Performance Organic Light-Emitting Diodes Based on Interfacial Exciplex Architecture." Molecules 28, no. 20 (2023): 7028. http://dx.doi.org/10.3390/molecules28207028.

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Interfacial exciplex has recently been adopted as an effective host to achieve phosphorescent organic light-emitting diodes (OLEDs) with high efficiencies and low driving voltages. However, a systematic understanding of exciton recombination behavior in either host of interfacial exciplex is still deficient. Herein, the strategic design rule of interfacial exciplex host is proposed to overcome the negative effects of direct trapping recombination by systematically investigating exciton recombination behavior in interfacial exciplex hosts. As a result, blue and orange phosphorescent devices acq

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22

Mihir, Chowdhury. "Exciplex revisited." Journal of Indian Chemical Society Vol. 76, Jan 1999 (1999): 1–6. https://doi.org/10.5281/zenodo.5848564.

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23

Shao, Jianhua, Cong Chen, Wencheng Zhao, et al. "Recent Advances of Interface Exciplex in Organic Light-Emitting Diodes." Micromachines 13, no. 2 (2022): 298. http://dx.doi.org/10.3390/mi13020298.

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The interface exciplex system is a promising technology for reaching organic light-emitting diodes (OLEDs) with low turn-on voltages, high efficiencies and long lifetimes due to its unique virtue of barrier-free charge transport, well-confined recombination region, and thermally activated delayed fluorescence characteristics. In this review, we firstly illustrate the mechanism frameworks and superiorities of the interface exciplex system. We then summarize the primary applications of interface exciplex systems fabricated by doping and doping-free technologies. The operation mechanisms of these

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24

Gbaj, Abdul, Lindsey Walsh, Maria Candelaria Rogert, et al. "Target-assembled exciplexes based on Scorpion oligonucleotides." Bioscience Reports 28, no. 1 (2008): 1–5. http://dx.doi.org/10.1042/bsr20070006.

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Scorpion probes, specific DNA probe sequences maintained in a hairpin–loop, can be modified to carry the components of an exciplex for use as a novel fluorescence-based method for specific detection of DNA. The exciplex partners (5′-pyrenyl and 3′-naphthalenyl) were attached to oligonucleotides via phosphoramidate links to terminal phosphate groups. Hybridization of the probe to a complementary target in a buffer containing trifluoroethanol produced an obvious fluorescence change from blue (pyrene locally excited state emission) to green (exciplex emission).

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25

Chen, Li-Ming, I.-Hung Lin, Yu-Chi You, et al. "Substitution effect on carbazole-centered donors for tuning exciplex systems as cohost for highly efficient yellow and red OLEDs." Materials Chemistry Frontiers 5, no. 13 (2021): 5044–54. http://dx.doi.org/10.1039/d1qm00425e.

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Three new carbazole-based materials were designed for exciplex formation with PO-T2T. Then, the selected exciplex cohost two D–A–D-configurated fluorescent emitters, iCzPNT and iCzBTh2CN, to produce high efficiency OLEDs.

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26

Lee, Sam, and Mitchell A. Winnik. "Photophysical behavior of oligoethylene glycols labeled with naphthalene carboxylate and phosphate esters." Canadian Journal of Chemistry 72, no. 6 (1994): 1587–95. http://dx.doi.org/10.1139/v94-198.

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The fluorescence spectra of tri- and tetraethylene glycol esterified with 2-(1-naphthyl)ethyl ethyl phosphate and 2-(1-naphthyl)ethyl 2-(ethoxy)ethyl phosphate were studied in dilute solutions of tetrahydrofuran (THF) and diethyl ether. They were compared with the fluorescence from tri- and tetraethylene glycol esterified with 1-naphthyl acetic acid. These compounds form intramolecular excimers. The extent of excimer formation is not extensive, but the relative amount of excimer emission from these compounds varies with the choice of solvent. Three synthetic intermediates to the phosphates, th

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27

Takaishi, Kazuto, Sho Murakami, Kazuhiro Iwachido, and Tadashi Ema. "Chiral exciplex dyes showing circularly polarized luminescence: extension of the excimer chirality rule." Chemical Science 12, no. 43 (2021): 14570–76. http://dx.doi.org/10.1039/d1sc04403f.

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Axially chiral binaphthyls and quaternaphthyls possessing two kinds of fluorophores were synthesized. In the excited state, the fluorophores formed a twisted exciplex and exhibited CPL. This study gave us named the exciplex chirality rule.

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28

Melnikov, Anatoly R., Evgeny V. Kalneus, Valeri V. Korolev, Igor G. Dranov, Alexander I. Kruppa, and Dmitri V. Stass. "Highly efficient exciplex formation via radical ion pair recombination in X-irradiated alkane solutions for luminophores with short fluorescence lifetimes." Photochem. Photobiol. Sci. 13, no. 8 (2014): 1169–79. http://dx.doi.org/10.1039/c3pp50432h.

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29

Zhang, Heng, Ziqi Wang, Long Gao, Bo Zhao, and Wenlian Li. "Low efficiency roll-off and high color stability pure fluorescent white organic light-emitting diode based exciplex host." RSC Advances 8, no. 2 (2018): 954–59. http://dx.doi.org/10.1039/c7ra11325k.

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Low efficiency roll-off and high color stability pure fluorescent WOLEDs with a blue exciplex host and orange rubrene dopant were realized by utilizing the bipolarity and triplet exciton up-conversion of the exciplex host.

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30

Umeyama, Tomokazu, Jinseok Baek, Junya Mihara, Nikolai V. Tkachenko, and Hiroshi Imahori. "Occurrence of photoinduced charge separation by the modulation of the electronic coupling between pyrene dimers and chemically converted graphenes." Chemical Communications 53, no. 6 (2017): 1025–28. http://dx.doi.org/10.1039/c6cc07985g.

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The photoexcitation of the pyrene dimer on graphene resulted in the final formation of a charge-separated (CS) state following an exciplex formation, while that of the pyrene monomer on graphene generated the corresponding exciplex solely.

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31

Kuzmin, Michael G., Irina V. Soboleva, and Elena V. Dolotova. "Transient Exciplex Formation Electron Transfer Mechanism." Advances in Physical Chemistry 2011 (February 22, 2011): 1–18. http://dx.doi.org/10.1155/2011/813987.

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Transient exciplex formation mechanism of excited-state electron transfer reactions is analyzed in terms of experimental data on thermodynamics and kinetics of exciplex formation and decay. Experimental profiles of free energy, enthalpy, and entropy for transient exciplex formation and decay are considered for several electron transfer reactions in various solvents. Strong electronic coupling in contact pairs of reactants causes substantial decrease of activation energy relative to that for conventional long-range ET mechanism, especially for endergonic reactions, and provides the possibility

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32

Cocchi, M., D. Virgili, C. Sabatini, and J. Kalinowski. "Organic electroluminescence from singlet and triplet exciplexes: Exciplex electrophosphorescent diode." Chemical Physics Letters 421, no. 4-6 (2006): 351–55. http://dx.doi.org/10.1016/j.cplett.2006.01.082.

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33

Chow, Yuan L., and Carl I. Johansson. "Excited state acid catalysis of the 2 + 2 photocycloaddition of methyl 2-naphthoate and acetylacetone; the interaction of a nonfluorescent exciplex with H2SO4." Canadian Journal of Chemistry 72, no. 9 (1994): 2011–20. http://dx.doi.org/10.1139/v94-257.

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In this paper, the striking acid catalysis of the photocycloaddition of methyl 2-naphthoate (2MN) to acetylacetone (AA) to give 1 and 2 was traced to the enhanced conversion of the nonemissive *(2MN–AA) exciplex to 1 and 2 by H2SO4. The partial reversibility of the exciplex in CH3CN and CH3OH was established by extended fluorescence-quenching analysis using oxygen to perturb the system, whereas time-resolved fluorescence kinetics failed to reveal the presence of this exciplex. A similar analytical method demonstrated the interaction of the nonfluorescent *(2MN–AA) exciplex and H2SO4 with the r

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34

Ibnaouf, Khalid H., Ahmed Alsadig, Hajo Idriss, Moez A. Ibrahem, and Humberto Cabrera. "Gold Nanoparticles Modulate Excimer and Exciplex Dynamics of PDDCP-Conjugated Polymers." Polymers 16, no. 17 (2024): 2420. http://dx.doi.org/10.3390/polym16172420.

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How plasmonic nanostructures modulate the behavior of exciplexes and excimers within materials remains unclear. Thus, advanced knowledge is essential to bridge this gap for the development of optoelectronic devices that leverage the interplay between plasmonic and conjugated polymer hybrid materials. Herein, this work aims to explore the role of gold nanoparticles (AuNPs) in modulating exciplex and excimer states within the conjugated polymer poly(2,5-di(3,7-dimethyloctyloxy) cyanoterephthalylidene) (PDDCP), known for its photoluminescent and semi-conductive properties, aiming to create innova

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35

Song, Wook, Ha Lim Lee, and Jun Yeob Lee. "High triplet energy exciplex hosts for deep blue phosphorescent organic light-emitting diodes." Journal of Materials Chemistry C 5, no. 24 (2017): 5923–29. http://dx.doi.org/10.1039/c7tc01552f.

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High triplet energy exciplex hosts for deep blue phosphorescent organic light-emitting diodes were developed by synthesizing a high triplet energy hole transport type host material designed for exciplex formation with a high triplet energy electron transport type host material derived from a diphenyltriazine.

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LAI, SHIU-LUN, MEI-YEE CHAN, QING-XIAO TONG, et al. "COLOR TUNABLE ELECTROLUMINESCENCE FROM ORGANIC LIGHT-EMITTING DEVICES BY MANIPULATING EXCITON AND EXCIPLEX EMISSIONS." Journal of Nonlinear Optical Physics & Materials 19, no. 04 (2010): 603–11. http://dx.doi.org/10.1142/s0218863510005509.

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While exciplex formation is considered to have a negative impact on the performance of organic light-emitting devices (OLEDs), it can be utilized as a simple means for manipulating the emission colors. Here, we explore various important factors influencing the exciplex formation in order to provide a simple way for tailoring the emission color of OLEDs involving exciplex emission. In addition to the well-known effects of the energy difference between electron affinity and ionization potential (IP) of organic materials used, we found that electron mobility and IP of electron-transporting layer

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37

Tian, Qi-Sheng, Xiang-Dong Zhu, and Liang-Sheng Liao. "Highly efficient exciplex-based OLEDs incorporating a novel electron donor." Materials Chemistry Frontiers 4, no. 6 (2020): 1648–55. http://dx.doi.org/10.1039/d0qm00116c.

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A high performance green exciplex OLED comprising a novel electron donor DEX with an acceptor PO-T2T can reach an EQE<sub>max</sub> of 11.2%, and a red phosphorescent OLED incorporating the green exciplex forming co-host achieves an EQE<sub>max</sub> of 24.5%.

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38

Ning, Ya-Ru, Xi Zhao, Xian-Tong Tang, et al. "Investigations of microscopic mechanisms in exciplex-based devices with isomers of mCBP and CBP as donors via magneto-electroluminescence." Acta Physica Sinica 71, no. 8 (2022): 087201. http://dx.doi.org/10.7498/aps.71.20212068.

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The mCBP and CBP are two kinds of isomers containing carbazole groups and often used as the device hosts for fluorescence and phosphorescence emission. However, there are little studies on the microscopic mechanisms of exciplex-type devices based on mCBP or CBP. In this paper, the isomers of mCBP and CBP are used as donors and the PO-T2T is selected as an acceptor. The two kinds of exciplex-based devices are fabricated according to a mass ratio of 1∶1, which are respectively referred to as device 1 (Dev. 1) and device 2 (Dev. 2). Their magneto-electroluminescence (MEL) curves are measured at d

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39

MacLachlan, Mark J., Aimee Rose, and Timothy M. Swager. "A Rotaxane Exciplex." Journal of the American Chemical Society 123, no. 37 (2001): 9180–81. http://dx.doi.org/10.1021/ja016228j.

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40

Sanchez, Rafael S., Mauricio Solis de la Fuente, Isaac Suarez, Guillermo Muñoz-Matutano, Juan P. Martinez-Pastor, and Ivan Mora-Sero. "Tunable light emission by exciplex state formation between hybrid halide perovskite and core/shell quantum dots: Implications in advanced LEDs and photovoltaics." Science Advances 2, no. 1 (2016): e1501104. http://dx.doi.org/10.1126/sciadv.1501104.

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We report the first observation of exciplex state electroluminescence due to carrier injection between the hybrid lead halide perovskite (MAPbI3–xClx) and quantum dots (core/shell PbS/CdS). Single layers of perovskite (PS) and quantum dots (QDs) have been produced by solution processing methods, and their photoluminescent properties are compared to those of bilayer samples in both PS/QD and QD/PS configurations. Exciplex emission at lower energies than the band gap of both PS and QD has been detected. The exciplex emission wavelength of this mixed system can be simply tuned by controlling the

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41

Valat, Pierre, Véronique Wintgens, Yuan L. Chow, and Jean Kossanyi. "Unusually strong emission from an exciplex formed between benzenoid solvents and dibenzoylmethanatoboron difluoride. Formation of a triplex." Canadian Journal of Chemistry 73, no. 11 (1995): 1902–13. http://dx.doi.org/10.1139/v95-235.

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Benzene derivatives give, in cyclohexane solution, a strongly emitting (Φf up to 0.8) excited complex with dibenzoylmethanatoboron difluoride (DBMBF2). The rate constant kex for the complex formation varies between 3.5 × 109 and 2.6 × 1010 M−1 s−1 depending on the benzene derivative, and the complex emission can already be detected at very low concentrations of the aromatics. This behaviour is different from that found in acetonitrile where the DBMBF2 emission disappeared completely before the new emission of the complex could be detected. The position of the complex emission and its lifetime

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Chow, Yuan L., and Carl I. Johansson. "Exciplexes of (Dibenzoylmethanato)boron/Benzenes: The Control of Exciplex Electronic Structure." Journal of Physical Chemistry 99, no. 49 (1995): 17558–65. http://dx.doi.org/10.1021/j100049a015.

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Czajkowski, A., J. B. Atkinson, and L. Krause. "Formation and decay of the HgZn(B0+) exciplex." Canadian Journal of Physics 78, no. 5-6 (2000): 521–28. http://dx.doi.org/10.1139/p00-031.

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The HgZn exciplex was produced in the B0+ state by irradiatinga HgZn vapour mixture at temperatures in the range 600900°C with 2572 Å cw or 2660 Å pulsed laser light. The B0+ [Formula: see text] X0+ fluorescence band was recorded, as well as the time evolutions of various components present in the fluorescence spectrum, providing some additional insight into the possible mechanism of the exciplex formation.PACS Nos.: 33.50, 33.70.H, 33.90

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Jeoung, Sae Chae, Hyo Soon Eom, and Dongho Kim. "Transient Absorption and Raman Studies on Exciplex Formation Dynamics of Photoexcited Cu(II)(TMpy-P4) With Synthetic Polynucleotide." Laser Chemistry 19, no. 1-4 (1999): 299–303. http://dx.doi.org/10.1155/1999/52027.

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Exciplex formation dynamics of photoexcited copper(II) tetrakis (4-N-methylpyridyl) porphyrin (Cu(II)(TMpy-P4)) with added poly(dA-dT)2 and poly(dG-dC)2 has been investigated by using femtosecond transient absorption and nanosecond and picosecond transient Raman spectroscopic methods. It was observed that the decay time constant of the exciplex is strongly dependent on the polynucleotide and has a strong correlation with the appearance of new transient Raman bands.

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ZHAO Xi, ZHENG Dong, WANG Jingjing, et al. "Investigations for physical mechanisms of charge balances affecting the emission efficiency of exciplex-based OLEDs via using organic magnetic field effects." Acta Physica Sinica 74, no. 10 (2025): 0. https://doi.org/10.7498/aps.74.20241601.

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Charge balances will influence the emission efficiency of exciplex-based organic light-emitting diodes (OLEDs), but physical mechanisms behind this phenomenon lack full understandings. Here, organic magnetic field effects (OMFEs) including magneto-conductance (MC), magneto-electroluminescence (MEL), and magneto-efficiency (M<i><teshuzifu>h</i>) are used as fingerprint probing tools to study physical mechanisms of charge balances affecting the emission efficiency of exciplex-based OLEDs. Specifically, low- and high-field effects of MC traces [MC<sub>L</sub> (|<i

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Klenovskii, M. S., R. B. Riives, V. A. Kel’man, Yu V. Zhmenyak, and Yu O. Shpenik. "Kr-KCl exciplex lamp." Technical Physics 54, no. 7 (2009): 1007–10. http://dx.doi.org/10.1134/s1063784209070135.

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Sosnin, E. A., M. V. Erofeev, and V. F. Tarasenko. "Capacitive discharge exciplex lamps." Journal of Physics D: Applied Physics 38, no. 17 (2005): 3194–201. http://dx.doi.org/10.1088/0022-3727/38/17/s22.

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Yamawaki, Mugen, Akiko Asano, Toshiki Furutani, et al. "Photoinduced Electron Transfer-Promoted Reactions Using Exciplex-Type Organic Photoredox Catalyst Directly Linking Donor and Acceptor Arenes." Molecules 24, no. 24 (2019): 4453. http://dx.doi.org/10.3390/molecules24244453.

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Directly linked donor and acceptor arenes, such as phenanthrene/naphthalene/biphenyl and 1,3-dicyanobenzene were found to work as photoredox catalysts in the photoreactions of indene, 2,3-dimethyl-2-butene, and 4-methoxyphenylacetic acid. The new stable organic photocatalyst forms an intramolecular exciplex (excited complex) when irradiated in a polar solvent and shows redox catalyst activity, even at low concentrations. To the best of our knowledge, this is the first example of an intramolecular exciplex working as a redox catalyst.

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Keruckiene, Rasa, Simona Vekteryte, Ervinas Urbonas, et al. "Synthesis and properties of quinazoline-based versatile exciplex-forming compounds." Beilstein Journal of Organic Chemistry 16 (May 28, 2020): 1142–53. http://dx.doi.org/10.3762/bjoc.16.101.

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Three compounds, bearing a quinazoline unit as the acceptor core and carbazole, dimethyldihydroacridine, or phenothiazine donor moieties, were designed and synthesized in two steps including a facile copper-catalyzed cyclization and a nucleophilic aromatic substitution reaction. The photophysical properties of the compounds, based on theoretical calculations and experimental measurements, as well as the electrochemical and thermal properties, are discussed. The synthesized compounds form glasses with glass-transition temperatures ranging from 116 °C to 123 °C. The ionization potentials estimat

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Lemmetyinen, Helge, Nikolai Tkachenko, Alexander Efimov, and Marja Niemi. "Transient states in photoinduced electron transfer reactions of porphyrin- and phthalocyanine-fullerene dyads." Journal of Porphyrins and Phthalocyanines 13, no. 10 (2009): 1090–97. http://dx.doi.org/10.1142/s108842460900139x.

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This paper combines the most important results on studies performed by the authors during the last decade on photoinduced electron transfer reactions of pheophytin-, phthalocyanine-, and porphyrin-fullerene dyads, in which donor and acceptor moieties are covalently linked to each other. Practically all studied molecules form an intramolecular exciplex as a transient state before the formation of the charge separation state or tight ion pair. When the center-to-center distance of the donor and acceptor pair is short (7–10 Å) both the exciplex formation and primary electron transfer are extremel

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