1
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Kim W, Prabakaran K, Manivannan R, Kim H, Son YA. Synthesis and luminescent properties of a linear difluorene pyrazine (D-A-D) derivative as a selective indicator for a reversible acid-base vapour sensor. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 320:124662. [PMID: 38885571 DOI: 10.1016/j.saa.2024.124662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2024] [Revised: 06/05/2024] [Accepted: 06/13/2024] [Indexed: 06/20/2024]
Abstract
We have synthesized a structure in which pyrazine is the core structure and fluorene derivatives are attached to both sides. Photo physical investigations such as aprotic solvents (Hexane to DMF) were carried out. A redshift was revealed from non-polar aprotic solvents to polar aprotic solvents. The luminescence intensity was gradually decreased, which is incredibly more complex towards changes in the solvent polarization than their UV/Vis absorption spectra. The compound showed a redshift from 445 nm to 473 nm when slowly increasing the water fraction (fw) from 0 to 30 %. Also, rising water fraction (fw > 40-90 %) effectively attenuated the instantaneous emission intensity was observed. At the same time, the intensity of the emission peak was reduced due to the TICT effect on fluorene and pyrazine rings due to enhanced solvent polarity. In addition, optically reversible acidofluorochromic properties were performed experimentally in both solvent and solid phases. For the acidic substances TFA and HF, which contain fluorine, new redshift peaks from 425 nm and 503 nm were observed upon reaction with the PDF solution, and the emission intensity was extinguished by more than 90 % and 60 %, respectively. Upon addition of TFA up to 1500 equal, the PDF mixture suffered from 50 % lower energy absorption intensity. The 1H NMR spectrum confirmed the proposed mechanism (TFA/TEA, ON-OFF-ON). Therefore, the present work presents a novel approach to fabricating ON-OFF-ON active-pull pyrazine scaffolds that can be used in DSEgens, referred to as "ON-OFF-ON" fluorescent sensors, for multifunctional applications.
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Affiliation(s)
- Wonbin Kim
- Department of Advanced Organic Materials Engineering, Chungnam National University, 220 Gung-dong, Yuseong-gu, Daejeon 305-764, South Korea
| | - Kaliyan Prabakaran
- Department of Advanced Organic Materials Engineering, Chungnam National University, 220 Gung-dong, Yuseong-gu, Daejeon 305-764, South Korea
| | - Ramalingam Manivannan
- Department of Advanced Organic Materials Engineering, Chungnam National University, 220 Gung-dong, Yuseong-gu, Daejeon 305-764, South Korea
| | - Hyunseo Kim
- Department of Advanced Organic Materials Engineering, Chungnam National University, 220 Gung-dong, Yuseong-gu, Daejeon 305-764, South Korea
| | - Young-A Son
- Department of Advanced Organic Materials Engineering, Chungnam National University, 220 Gung-dong, Yuseong-gu, Daejeon 305-764, South Korea.
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2
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Mavazzan A, Mendhe AC, Bayannavar PK, Sankapal BR, Kamble RR, Madar SF, K M MP, Bheemayya L. Design of Metal Free Fluorescent Pyridine Dyes Anchored on Cadmium Sulfide Nanowires: Optical, Electrochemical and Photovoltaic Applications. J Fluoresc 2023:10.1007/s10895-023-03457-z. [PMID: 37812365 DOI: 10.1007/s10895-023-03457-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Accepted: 09/27/2023] [Indexed: 10/10/2023]
Abstract
Through a facile two-step synthetic procedure, three metal-free organic dyes having D-π-A kind of structure, belonging to chalcone family have been designed, produced and anchored on one dimensional cadmium sulfide nanowires (1D CdS NWs) to serve as a light energy harvester through dye-sensitized solar cells (DSSC) assembly. In order to anchor dye on CdS NWs nano-network, solution chemistry has been used in an easy and effective manner. The sensitizing capability of synthesized materials has been evaluated using optical and electrochemical studies, density functional theory (DFT) simulations, and photovoltaic performances. In line with a detailed analysis of fabricated Dye sensitized solar cells containing T4PC a photovoltaic efficiency yields 4.35 times (0.487%) more than that of bare CdS NWs (0.112%), while the other devices having T3PC and T2PC have shown 3.0 (0.338%) and 2.40 (0.273%) times greater photovoltaic efficiencies, respectively under standard light illumination. The obtained results offer solid evidence in favour of boosting external quantum efficiency (EQE) and reflect good agreement with the optical studies.
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Affiliation(s)
- Ahmedraza Mavazzan
- Department of Studies in Chemistry, Karnatak University, Pavate Nagar, Dharwad, Karnataka, 580003, India
| | - Avinash C Mendhe
- Department of Civil and Environmental Engineering, Hanyang University ERICA, Ansan, 15588, South Korea
- Nanomaterials and Device Laboratory, Department of Physics, Visvesvaraya National Institute of Technology, South Ambazari Road, Nagpur, 440010, (M.S.), India
| | - Praveen K Bayannavar
- Department of Studies in Chemistry, Karnatak University, Pavate Nagar, Dharwad, Karnataka, 580003, India
| | - Babasaheb R Sankapal
- Nanomaterials and Device Laboratory, Department of Physics, Visvesvaraya National Institute of Technology, South Ambazari Road, Nagpur, 440010, (M.S.), India
| | - Ravindra R Kamble
- Department of Studies in Chemistry, Karnatak University, Pavate Nagar, Dharwad, Karnataka, 580003, India.
| | - Suresh F Madar
- Department of Studies in Chemistry, Karnatak University, Pavate Nagar, Dharwad, Karnataka, 580003, India
| | - Mussuvir Pasha K M
- Department of Chemistry, Karnatak Science College, Dharwad, Karnataka, 580003, India
| | - Lokesh Bheemayya
- Department of Studies in Chemistry, Karnatak University, Pavate Nagar, Dharwad, Karnataka, 580003, India
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3
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Prabakaran K, Manivannan R, Son YA. Highly emissions of TPA-linear based pyrazine derivatives with different mechanochromic luminosity. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 285:121874. [PMID: 36122466 DOI: 10.1016/j.saa.2022.121874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 08/19/2022] [Accepted: 09/10/2022] [Indexed: 06/15/2023]
Abstract
We designed the TPA-based linear pyrazine derivatives of PP-1 and PP-2, synthesized using the conventional Suzuki cross-linking reaction. It was followed by photophysical studies such as aprotic solvent (Haxene to DMF). A red-shift was observed from the non-polar aprotic solvent to the polar aprotic solvent, and the emission intensity was gradually decreased. In addition, the Aggregation-induced emission (AIE) effect has been studied against the DMF/water addition of linear pyrazine compounds. It showed a classic aggregation-caused quenching effect (ACQ) and red-shifted at an increase of (fw) 0 to 40%. After this case, when the water fraction in these studies was increased by (fw) 50 to 90%, a blue shift and a mild AIE effect has occurred. And also, was investigated acidochromic effect of compounds PP-1 and PP-2 using TFA acid. Absorption and emission intensity were gradually reduced as the acid concentration increased for these studies, while the new peaks appeared red-shifted in the absorption spectrum. They were examined before and after exposure to UV light irradiation in the synthesized dye compounds.
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Affiliation(s)
- Kaliyan Prabakaran
- Department of Advanced Organic Materials Engineering, Chungnam National University, 220, Gung-dong, Yuseong-gu, Daejeon 305-764, South Korea
| | - Ramalingam Manivannan
- Department of Advanced Organic Materials Engineering, Chungnam National University, 220, Gung-dong, Yuseong-gu, Daejeon 305-764, South Korea
| | - Young-A Son
- Department of Advanced Organic Materials Engineering, Chungnam National University, 220, Gung-dong, Yuseong-gu, Daejeon 305-764, South Korea.
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4
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Zaier R, Gharbi S, Hriz K, Majdoub M, Ayachi S. New fluorescent material based on anthracene and triazole for blue organic light emitting diode: A combined experimental and theoretical study. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2021.116984] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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5
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Synthesis, optical, electrochemical and theoretical studies of 2,3-Di(pyridin-2-yl)quinoxaline amine derivatives as blue-orange emitters for organic electronics. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.131541] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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6
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Tao J, Liu D, Jing J, Dong H, Liu L, Xu B, Tian W. Organic Single Crystals with High Photoluminescence Quantum Yields Close to 100% and High Mobility for Optoelectronic Devices. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2105466. [PMID: 34617639 DOI: 10.1002/adma.202105466] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 08/21/2021] [Indexed: 06/13/2023]
Abstract
Organic single crystals with excellent optical and electrical properties are critical for the development of organic optoelectronics. Herein, two compounds 9,10-bis([N,N-diphenyl]-4'-phenylethynyl)anthracene (TPA-An) and 9,10-bis([1',3'-diphenyl]-5'-phenylethynyl)anthracene (TBA-An) are synthesized by introducing two different luminescent groups, triphenylamine and 1,3-diphenylbenzene, at the 9,10 positions of anthracene via triple bond connection. Single crystals based on TPA-An and TBA-An with a ribbon morphology obtained through the slow solvent-evaporation method exhibit high photoluminescence quantum yields (PLQYs) of 98% and 99% at room temperature, and remarkable hole mobilities of 0.45 and 0.15 cm2 V-1 s-1 in single-crystal organic field-effect transistors (SC-OFETs). Furthermore, UV phototransistors based on the two single crystals obtain photosensitivities of 1.03 × 103 and 3.45 × 104 , ultrahigh photoresponsivities of 7.19 × 105 and 1.50 × 105 A W-1 , and the detectivities exceeding 1.40 × 1016 and 1.60 × 1017 Jones.
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Affiliation(s)
- Jingwei Tao
- State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun, 130012, China
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
| | - Dan Liu
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Jiangbo Jing
- State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun, 130012, China
| | - Huanli Dong
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Leijing Liu
- State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun, 130012, China
| | - Bin Xu
- State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun, 130012, China
| | - Wenjing Tian
- State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun, 130012, China
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7
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Sun G, Wang XH, Li J, Yang BT, Gao Y, Geng Y. Effect of hybridized local and charge transfer molecules rotation in excited state on exciton utilization. Sci Rep 2021; 11:17686. [PMID: 34480055 PMCID: PMC8417272 DOI: 10.1038/s41598-021-97229-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Accepted: 08/23/2021] [Indexed: 11/09/2022] Open
Abstract
The fluorescent molecules utilizing hybridized local and charge-transfer (HLCT) state as potential organic light-emitting diodes materials attract extensive attention due to their high exciton utilization. In this work, we have performed the density functional theory method on three HLCT-state molecules to investigate their excited-state potential energy surface (PES). The calculated results indicate the T1 and T2 energy gap is quite large, and the T2 is very close to S1 in the energy level. The large gap is beneficial for inhibiting the internal conversion between T1 and T2, and quite closed S1 and T2 energies are favor for activating the T2 → S1 reverse intersystem crossing path. However, considering the singlet excited-state PES by twisting the triphenylamine (TPA) or diphenylamine (PA) group, it can be found that the TPA or PA group almost has no influence on T1 and T2 energy levels. However, the plots of S1 PES display two kinds of results that the S1 emissive state is dominated by charge-transfer (CT) or HLCT state. The CT emission state formation would decrease the S1 energy level, enlarge the S1 and T2 gap, and impair the triplet exciton utilization. Therefore, understanding the relationship between the S1 PES and molecular structures is important for designing high-performance luminescent materials utilizing HLCT state.
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Affiliation(s)
- Gang Sun
- College of Science, Beihua University, Jilin, 132013, People's Republic of China
| | - Xin-Hui Wang
- College of Science, Beihua University, Jilin, 132013, People's Republic of China
| | - Jing Li
- College of Science, Beihua University, Jilin, 132013, People's Republic of China
| | - Bo-Ting Yang
- College of Science, Beihua University, Jilin, 132013, People's Republic of China.
| | - Ying Gao
- Jilin Provincial Key Laboratory of Straw-Based Functional Materials, Institute for Interdisciplinary Biomass Functional Materials Studies, Jilin Engineering Normal University, Changchun, 130052, People's Republic of China.
| | - Yun Geng
- Faculty of Chemistry, Northeast Normal University, Changchun, 130024, People's Republic of China
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8
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Xu Y, Xu P, Hu D, Ma Y. Recent progress in hot exciton materials for organic light-emitting diodes. Chem Soc Rev 2020; 50:1030-1069. [PMID: 33231588 DOI: 10.1039/d0cs00391c] [Citation(s) in RCA: 139] [Impact Index Per Article: 34.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
According to Kasha's rule, high-lying excited states usually have little effect on fluorescence. However, in some molecular systems, the high-lying excited states partly or even mainly contribute to the photophysical properties, especially in the process of harvesting triplet excitons in organic electroluminescent devices. In the current review, we focus on a type of organic light-emitting diode (OLED) materials called "hot exciton" materials, which can effectively harness the non-radiative triplet excitons via reverse intersystem crossing (RISC) from high-lying triplet states to singlet states (Tn→ Sm; n≥ 2, m≥ 1). Since Ma and Yang proposed the hot exciton mechanism for OLED material design in 2012, there have been many reports aiming at the design and synthesis of novel hot exciton luminogens. Herein, we present a comprehensive review of the recent progress in hot exciton materials. The developments of the hot exciton mechanism are reviewed, the fundamental principles regarding molecular design are discussed, and representative reported hot exciton luminogens are summarized and analyzed, along with their structure-property relationships and OLED applications.
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Affiliation(s)
- Yuwei Xu
- Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, P. R. China.
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9
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Sobia Jabeen, Khera RA, Iqbal J, Bajwa MA, Matloob S, Ans M, Eliasson B. Tuning Optoelectronic Properties of Dithienopyrrole Donor Molecules for Organic Solar Cells. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A 2019. [DOI: 10.1134/s003602441911013x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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10
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Mahadik SS, Chacko S, Kamble RM. 2,3‐Di(thiophen‐2‐yl)quinoxaline Amine Derivatives: Yellow‐Blue Fluorescent Materials for Applications in Organic Electronics. ChemistrySelect 2019. [DOI: 10.1002/slct.201902109] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Suraj S. Mahadik
- Department of ChemistryUniversity of Mumbai, Santacruz (E) Mumbai 400 098 India
| | - Sajeev Chacko
- Department of PhysicsUniversity of Mumbai, Santacruz (E) Mumbai 400 098 India
| | - Rajesh M. Kamble
- Department of ChemistryUniversity of Mumbai, Santacruz (E) Mumbai 400 098 India
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11
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Zhang D, Duan L. Polycyclic Aromatic Hydrocarbon Derivatives toward Ideal Electron-Transporting Materials for Organic Light-Emitting Diodes. J Phys Chem Lett 2019; 10:2528-2537. [PMID: 31038961 DOI: 10.1021/acs.jpclett.9b00526] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
One seemingly fundamental issue for electron-transporting materials (ETMs) in organic light-emitting diodes (OLEDs) is the mutual exclusion of a high electron-transporting mobility ( μe) and a large molecular triplet energy for good exciton confinement. Very recently, a trade-off was realized by adopting polycyclic aromatic hydrocarbon (PAH) derivatives as bipolar ETMs. Though the intrinsic low triplet energy of PAH moieties, good exciton confinement abilities are realized by manipulating the peripheral groups, integrating large μe values and long-term stabilities simultaneously. The resulting state-of-the-art OLED performances manifest the bright future of such ETMs. This Perspective summarizes the theoretical and experimental work relating to the relationship between the molecular structure of PAH-type ETMs and their electronic properties, focusing on charge transfer and exciton confinement abilities; the Perspective concludes by providing a vision of future developments in this field.
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Affiliation(s)
- Dongdong Zhang
- Key Lab of Organic Optoelectronics and Molecular Engineering of Ministry of Education, Department of Chemistry , Tsinghua University , Beijing 100084 , China
- Center for Flexible Electronics Technology , Tsinghua University , Beijing 100084 , P.R. China
| | - Lian Duan
- Key Lab of Organic Optoelectronics and Molecular Engineering of Ministry of Education, Department of Chemistry , Tsinghua University , Beijing 100084 , China
- Center for Flexible Electronics Technology , Tsinghua University , Beijing 100084 , P.R. China
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12
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Prediction of structural, vibrational and nonlinear optical properties of small organic conjugated molecules derived from pyridine. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2019.01.043] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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13
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Jayabharathi J, Nethaji P, Thanikachalam V, Ramya R. Derivatives of Cyanonaphthyl-Substituted Phenanthroimidazole as Blue Emitters for Nondoped Organic Light-Emitting Diodes. ACS OMEGA 2019; 4:4553-4570. [PMID: 31459647 PMCID: PMC6649183 DOI: 10.1021/acsomega.8b03617] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/24/2018] [Accepted: 02/13/2019] [Indexed: 06/10/2023]
Abstract
New multifunctional blue-emissive materials with superior thermal properties, viz., 4,4'-bis(1-(4-naphthyl)-1H-phenanthro[9,10-d]imidazol-2-yl)binaphthyl (NPIBN), 4,4'-bis(1-(4-cyanonaphthyl)-1H-phenanthro[9,10-d]imidazol-2-yl)biphenyl (CNPIBP), and 4,4'-bis(1-(4-cyanonaphthyl)-1H-phenanthro[9,10-d]imidazol-2-yl)binaphthyl (CNPIBN) have been synthesized. The said molecules show high photoluminescence quantum yield (Φs/f: NPIBN-0.75/0.68, CNPIBP-0.85/0.76, and CNPIBN-0.90/0.88). The fabricated nondoped/doped device with CNPIBN/4,4'-bis(carbazol-9-yl)biphenyl: CNPIBN display maximum efficiencies (ηex 4.96/5.4%; ηc 7.46/7.56 cd A-1; ηp 6.85/6.91 lm W-1) at low turn-on voltage (3.5/3.8 V). Nondoped devices based on D-π-A architecture, 4-(2-(5-(9H-carbazol-9-yl)thiophen-2-yl)-1H-phenanthro[9,10-d]imidazol-1-yl)naphthalene-1-carbonitrile exhibit maximum efficiencies (ηex 2.32%; ηc 4.00 cd A-1; ηp 3.42 lm W-1) compared to 4-(2-(5-(4-(diphenylamino)phenyl)thiophen-2-yl)-1H-phenanthro[9,10-d]imidazol-1-yl)naphthalene-1-carbonitrile (ηex 2.01%; ηc 3.89 cd A-1; ηp 3.15 lm W-1).
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Affiliation(s)
- Jayaraman Jayabharathi
- Department of Chemistry, Annamalai
University, Annamalai Nagar, Chidambaram, Tamilnadu 608 002, India
| | - Pavadai Nethaji
- Department of Chemistry, Annamalai
University, Annamalai Nagar, Chidambaram, Tamilnadu 608 002, India
| | - Venugopal Thanikachalam
- Department of Chemistry, Annamalai
University, Annamalai Nagar, Chidambaram, Tamilnadu 608 002, India
| | - Ramaiyan Ramya
- Department of Chemistry, Annamalai
University, Annamalai Nagar, Chidambaram, Tamilnadu 608 002, India
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14
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Kusukawa T, Aramoto H, Umeda T, Kojima Y. Carboxylic acid recognition of diamidine having a fluorescent 1,8-diphenylanthracene unit and its detection of amidinium-carboxylate and amidinium formation. Tetrahedron 2019. [DOI: 10.1016/j.tet.2019.01.040] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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15
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Singh PS, Chacko S, Kamble RM. The design and synthesis of 2,3-diphenylquinoxaline amine derivatives as yellow-blue emissive materials for optoelectrochemical study. NEW J CHEM 2019. [DOI: 10.1039/c9nj00248k] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Yellow-blue emitting, donor–acceptor–donor (D–A–D) based bipolar quinoxaline–amine derivatives were designed and synthesized for their optoelectronic applications.
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Affiliation(s)
- Pooja S. Singh
- Department of Chemistry
- University of Mumbai
- Santacruz (E)
- Mumbai 400 098
- India
| | - Sajeev Chacko
- Department of Physics
- University of Mumbai
- Santacruz (E)
- Mumbai 400 098
- India
| | - Rajesh M. Kamble
- Department of Chemistry
- University of Mumbai
- Santacruz (E)
- Mumbai 400 098
- India
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16
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17
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Wan Q, Zhang B, Tong J, Li Y, Wu H, Zhang H, Wang Z, Pan Y, Tang BZ. Feasible structure-modification strategy for inhibiting aggregation-caused quenching effect and constructing exciton conversion channels in acridone-based emitters. Phys Chem Chem Phys 2019; 21:9837-9844. [DOI: 10.1039/c9cp01706b] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
The introduction of multiple rotors donors and benzonitrile group in ADOs would increases effectively OLED emitters' performance by inhibiting aggregation-caused quenching effect and constructing exciton conversion channels.
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Affiliation(s)
- Qing Wan
- State Key Laboratory of Luminescent Materials and Devices
- Center for Aggregation-induced emission
- South China University of Technology
- Guangzhou 510640
- China
| | - Bing Zhang
- State Key Laboratory of Luminescent Materials and Devices
- Center for Aggregation-induced emission
- South China University of Technology
- Guangzhou 510640
- China
| | - Jialin Tong
- School of Petrochemical Engineering
- Shenyang University of Technology (SUT)
- Liaoyang 111003
- China
| | - Yin Li
- State Key Laboratory of Luminescent Materials and Devices
- Center for Aggregation-induced emission
- South China University of Technology
- Guangzhou 510640
- China
| | - Haozhong Wu
- State Key Laboratory of Luminescent Materials and Devices
- Center for Aggregation-induced emission
- South China University of Technology
- Guangzhou 510640
- China
| | - Han Zhang
- State Key Laboratory of Luminescent Materials and Devices
- Center for Aggregation-induced emission
- South China University of Technology
- Guangzhou 510640
- China
| | - Zhiming Wang
- State Key Laboratory of Luminescent Materials and Devices
- Center for Aggregation-induced emission
- South China University of Technology
- Guangzhou 510640
- China
| | - Yuyu Pan
- School of Petrochemical Engineering
- Shenyang University of Technology (SUT)
- Liaoyang 111003
- China
| | - Ben Zhong Tang
- State Key Laboratory of Luminescent Materials and Devices
- Center for Aggregation-induced emission
- South China University of Technology
- Guangzhou 510640
- China
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18
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Boxi S, Jana D, Parui PP, Ghorai BK. Dibenzo[ a, c]phenazine-Based Donor-Acceptor (D-A) Tetra Branched Molecules: Fine Tuning of Optical Properties. ChemistrySelect 2018. [DOI: 10.1002/slct.201801500] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Shatabdi Boxi
- Department of Chemistry; Indian Institute of Engineering Science and Technology, Shibpur; Howrah 711 103 India
| | - Debabrata Jana
- Department of Chemistry; Indian Institute of Engineering Science and Technology, Shibpur; Howrah 711 103 India
| | - Partha P. Parui
- Department of Chemistry; Jadavpur University; Kolkata 700 032 India
| | - Binay K. Ghorai
- Department of Chemistry; Indian Institute of Engineering Science and Technology, Shibpur; Howrah 711 103 India
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19
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Jayabharathi J, Ramya R, Thanikachalam V, Nethaji P. Optical and electroluminescent performances of dihydrobenzodioxin phenanthroimidazoles based blue-emitting materials. J Photochem Photobiol A Chem 2018. [DOI: 10.1016/j.jphotochem.2018.02.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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20
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Manzoor F, Iqbal J, Zara Z, Eliasson B, Mahr MS, Ayub K. Theoretical Calculations of the Optical and Electronic Properties of Dithienosilole- and Dithiophene-Based Donor Materials for Organic Solar Cells. ChemistrySelect 2018. [DOI: 10.1002/slct.201703086] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Farah Manzoor
- Department of Chemistry; University of Agriculture; Faisalabad 38040 Pakistan
| | - Javed Iqbal
- Department of Chemistry; University of Agriculture; Faisalabad 38040 Pakistan
- Punjab Bio-energy Institute (PBI); University of Agriculture; Faisalabad 38040 Pakistan
| | - Zeenat Zara
- Department of Chemistry; University of Agriculture; Faisalabad 38040 Pakistan
| | | | | | - Khurshid Ayub
- Department of Chemistry; COMSATS Institute of Information Technology Abbottabad; KPK 22060 Pakistan
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21
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Turn-on fluorescence sensor for mono- and di-phosphonic acid derivatives using anthracene-based diamidine and its detection of amidinium-phosphonate and amidinium formation. Tetrahedron 2018. [DOI: 10.1016/j.tet.2017.12.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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22
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Chen Y, Ren A, Yang Z, He T, Ding X, Zhang H, Zou L. Theoretical study of radiative and nonradiative decay rates for Cu(i) complexes with double heteroleptic ligands. Phys Chem Chem Phys 2018; 20:9419-9428. [DOI: 10.1039/c8cp00525g] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Phosphorescence quantum yield increases significantly because kr increases and knr decreases upon introducing electron-donating groups to N^N ligands.
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Affiliation(s)
- Yuannan Chen
- Laboratory of Theoretical and Computational Chemistry
- Institute of Theoretical Chemistry
- Jilin University
- Changchun 130023
- P. R. China
| | - Aimin Ren
- Laboratory of Theoretical and Computational Chemistry
- Institute of Theoretical Chemistry
- Jilin University
- Changchun 130023
- P. R. China
| | - Zhongyue Yang
- Department of Chemical Engineering
- Massachusetts Institute of Technology
- Cambridge
- USA
| | - Tengfei He
- Laboratory of Theoretical and Computational Chemistry
- Institute of Theoretical Chemistry
- Jilin University
- Changchun 130023
- P. R. China
| | - Xiaoli Ding
- Laboratory of Theoretical and Computational Chemistry
- Institute of Theoretical Chemistry
- Jilin University
- Changchun 130023
- P. R. China
| | - Hongxing Zhang
- Laboratory of Theoretical and Computational Chemistry
- Institute of Theoretical Chemistry
- Jilin University
- Changchun 130023
- P. R. China
| | - Luyi Zou
- Laboratory of Theoretical and Computational Chemistry
- Institute of Theoretical Chemistry
- Jilin University
- Changchun 130023
- P. R. China
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23
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Shaikh AM, Chacko S, Kamble RM. Synthesis, Optoelectronic and Theoretical Investigation of Anthraquinone Amine−Based Donor−Acceptor Derivatives. ChemistrySelect 2017. [DOI: 10.1002/slct.201701475] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Azam M. Shaikh
- Department of Chemistry; University of Mumbai, Santacruz (East); Mumbai- 400 098 India
| | - Sajeev Chacko
- Department of Physics; University of Mumbai, Santacruz (East); Mumbai- 400 098 India
| | - Rajesh M. Kamble
- Department of Chemistry; University of Mumbai, Santacruz (East); Mumbai- 400 098 India
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24
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Thanikachalam V, Jeeva P, Jayabharathi J. Hybridised-Local and Charge-Transfer Excited States in Donor-Spacer-Acceptor Molecules for Efficient OLEDs: Combined Experimental and Theoretical Study. ChemistrySelect 2017. [DOI: 10.1002/slct.201601842] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
| | - Palanivel Jeeva
- Department of Chemistry; Annamalai University; Annamalainagar 608 002 Tamilnadu India
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25
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Anandkumar D, Ganesan S, Rajakumar P, Maruthamuthu P. Synthesis, photophysical and electrochemical properties and DSSC applications of triphenylamine chalcone dendrimers via click chemistry. NEW J CHEM 2017. [DOI: 10.1039/c7nj01059a] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Fluorene-cored dendrimers containing a triphenylamine chalcone unit at the periphery have been synthesized by click chemistry approach, and their photophysical and electrochemical properties have been investigated.
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Affiliation(s)
| | | | - Perumal Rajakumar
- Department of Organic Chemistry
- University of Madras
- Chennai 600 025
- India
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26
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Shaikh AM, Sharma BK, Chacko S, Kamble RM. Novel electroluminescent donor–acceptors based on dibenzo[a,c]phenazine as hole-transporting materials for organic electronics. NEW J CHEM 2017. [DOI: 10.1039/c6nj03553a] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Novel yellow-green fluorescent 3,6,11-trisubstitued-dibenzo[a,c]phenazine derivatives were synthesized via a Buchwald–Hartwig palladium-catalyzed C–N amination reaction for the hole-transporting materials.
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Affiliation(s)
- Azam M. Shaikh
- Department of Chemistry
- University of Mumbai
- Mumbai–400 098
- India
| | | | - Sajeev Chacko
- Department of Physics
- University of Mumbai
- Mumbai–400 098
- India
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27
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Obolda A, Ai X, Zhang M, Li F. Up to 100% Formation Ratio of Doublet Exciton in Deep-Red Organic Light-Emitting Diodes Based on Neutral π-Radical. ACS APPLIED MATERIALS & INTERFACES 2016; 8:35472-35478. [PMID: 27933759 DOI: 10.1021/acsami.6b12338] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
In a neutral π-radical-based organic light-emitting diode (OLED), although the emission comes from the doublet excitons and their transition to the ground state is spin-allowed, the upper limit of internal quantum efficiency (IQE) is not clear, 50% or 100%? In this work, the deep-red OLEDs based on a neutral π-radical were fabricated. Up to 100% doublet exciton formation ratio was obtained through rational designing device structure and host-guest doping system. This indicates the IQE of neutral π-radical-based OLEDs will reach 100% if the nonradiative pathways of radicals can be suppressed. The maximum external quantum efficiency of the optimized device is as high as 4.3%, which is among the highest values of deep-red/near-infrared OLEDs with nonphosphorescent materials as emitters. Our results also indicate that using partially reduced radical mixture as emitter may be a way to solve aggregation-caused quenching in radical-based OLEDs.
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Affiliation(s)
- Ablikim Obolda
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University , Qianjin Avenue 2699, Changchun 130012, P.R. China
| | - Xin Ai
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University , Qianjin Avenue 2699, Changchun 130012, P.R. China
| | - Ming Zhang
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University , Qianjin Avenue 2699, Changchun 130012, P.R. China
| | - Feng Li
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University , Qianjin Avenue 2699, Changchun 130012, P.R. China
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28
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Fan C, Duan C, Han C, Han B, Xu H. Dibenzothiophene Sulfone-Based Phosphine Oxide Electron Transporters with Unique Asymmetry for High-Efficiency Blue Thermally Activated Delayed Fluorescence Diodes. ACS APPLIED MATERIALS & INTERFACES 2016; 8:27383-27393. [PMID: 27659205 DOI: 10.1021/acsami.6b10020] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Three asymmetrical electron transporters as dibenzothiophene sulfone (DBSO)-diphenylphosphine oxide (DPPO) hybrids, collectively named mnDBSODPO, were designed and prepared. All of these materials achieve the high triplet energy of ∼3.0 eV to restrain the exciton linkage from emissive layers. The dependence of inductive and steric effects for DPPO groups on the substitution position, the intermolecular interaction suppression, the encapsulations of high-polar DBSO cores, and the favorable electrical performance are successfully integrated on 36DBSODPO, which can simultaneously suppress the exciton quenching by formation of an interfacial dipole and enhancing the charge flux balance. As a result, 36DBSODPO endowed its tetralayer blue thermally activated delayed fluorescence (TADF) devices with impressive performance, including the maximum external quantum efficiency around 19%, and reduced efficiency roll-offs, which verifies the great potential of asymmetrical electron transporting materials for highly efficient TADF devices.
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Affiliation(s)
- Chaochao Fan
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, School of Chemistry and Material Science, Heilongjiang University , 74 Xuefu Road, Harbin 150080, China
| | - Chunbo Duan
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, School of Chemistry and Material Science, Heilongjiang University , 74 Xuefu Road, Harbin 150080, China
| | - Chunmiao Han
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, School of Chemistry and Material Science, Heilongjiang University , 74 Xuefu Road, Harbin 150080, China
| | - Bin Han
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, School of Chemistry and Material Science, Heilongjiang University , 74 Xuefu Road, Harbin 150080, China
| | - Hui Xu
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, School of Chemistry and Material Science, Heilongjiang University , 74 Xuefu Road, Harbin 150080, China
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29
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Slodek A, Filapek M, Schab-Balcerzak E, Grucela M, Kotowicz S, Janeczek H, Smolarek K, Mackowski S, Malecki JG, Jedrzejowska A, Szafraniec-Gorol G, Chrobok A, Marcol B, Krompiec S, Matussek M. Highly Luminescence Anthracene Derivatives as Promising Materials for OLED Applications. European J Org Chem 2016. [DOI: 10.1002/ejoc.201600532] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Aneta Slodek
- Faculty of Mathematics; Physics and Chemistry; Institute of Chemistry; University of Silesia; Szkolna 9 40-007 Katowice Poland
| | - Michal Filapek
- Faculty of Mathematics; Physics and Chemistry; Institute of Chemistry; University of Silesia; Szkolna 9 40-007 Katowice Poland
| | - Ewa Schab-Balcerzak
- Faculty of Mathematics; Physics and Chemistry; Institute of Chemistry; University of Silesia; Szkolna 9 40-007 Katowice Poland
- Centre of Polymer and Carbon Materials; Polish Academy of Sciences; M. Curie-Sklodowska 34 41-819 Zabrze Poland
| | - Marzena Grucela
- Centre of Polymer and Carbon Materials; Polish Academy of Sciences; M. Curie-Sklodowska 34 41-819 Zabrze Poland
| | - Sonia Kotowicz
- Faculty of Mathematics; Physics and Chemistry; Institute of Chemistry; University of Silesia; Szkolna 9 40-007 Katowice Poland
| | - Henryk Janeczek
- Centre of Polymer and Carbon Materials; Polish Academy of Sciences; M. Curie-Sklodowska 34 41-819 Zabrze Poland
| | - Karolina Smolarek
- Institute of Physics; Faculty of Physics; Astronomy and Informatics; Nicolaus Copernicus University; Grudziadzka 5 87-100 Torun Poland
| | - Sebastian Mackowski
- Institute of Physics; Faculty of Physics; Astronomy and Informatics; Nicolaus Copernicus University; Grudziadzka 5 87-100 Torun Poland
| | - Jan Grzegorz Malecki
- Faculty of Mathematics; Physics and Chemistry; Institute of Chemistry; University of Silesia; Szkolna 9 40-007 Katowice Poland
| | - Agnieszka Jedrzejowska
- Faculty of Mathematics; Physics and Chemistry; Institute of Physics; University of Silesia; Uniwersytecka 4 40-007 Katowice Poland
| | - Grazyna Szafraniec-Gorol
- Faculty of Mathematics; Physics and Chemistry; Institute of Chemistry; University of Silesia; Szkolna 9 40-007 Katowice Poland
| | - Anna Chrobok
- Department of Chemical Organic Technology and Petrochemistry; Silesian University of Technology; Krzywoustego 4 44-100 Gliwice Poland
| | - Beata Marcol
- Faculty of Mathematics; Physics and Chemistry; Institute of Chemistry; University of Silesia; Szkolna 9 40-007 Katowice Poland
| | - Stanislaw Krompiec
- Faculty of Mathematics; Physics and Chemistry; Institute of Chemistry; University of Silesia; Szkolna 9 40-007 Katowice Poland
| | - Marek Matussek
- Faculty of Mathematics; Physics and Chemistry; Institute of Chemistry; University of Silesia; Szkolna 9 40-007 Katowice Poland
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30
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Karaca E, Kaplan Can H, Bozkaya U, Özçiçek Pekmez N. Charge-Transfer Complex ofp-Aminodiphenylamine with Maleic Anhydride: Spectroscopic, Electrochemical, and Physical Properties. Chemphyschem 2016; 17:2056-65. [DOI: 10.1002/cphc.201600161] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2016] [Indexed: 11/10/2022]
Affiliation(s)
- Erhan Karaca
- Hacettepe University; Department of Chemistry; 06800, Beytepe Ankara Turkey
| | - Hatice Kaplan Can
- Hacettepe University; Department of Chemistry; 06800, Beytepe Ankara Turkey
| | - Uğur Bozkaya
- Hacettepe University; Department of Chemistry; 06800, Beytepe Ankara Turkey
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31
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Shaikh AM, Sharma BK, Chacko S, Kamble RM. Synthesis and opto-electrochemical properties of tribenzo[a,c,i]phenazine derivatives for hole transport materials. RSC Adv 2016. [DOI: 10.1039/c6ra20964e] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
In this work, five novel 3,6-disubstituted-tribenzo[a,c,i]phenazine (2–6) derivatives were synthesized in good yield by employing a palladium catalyzed C–N bond forming amination reaction and fully characterized.
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Affiliation(s)
- Azam M. Shaikh
- Department of Chemistry
- University of Mumbai
- Mumbai-400 098
- India
| | | | - Sajeev Chacko
- Department of Physics
- University of Mumbai
- Mumbai-400 098
- India
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32
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Shaikh AM, Sharma BK, Chacko S, Kamble RM. Synthesis and optoelectronic investigations of triarylamines based on naphtho[2,3-f]quinoxaline-7,12-dione core as donor–acceptors for n-type materials. RSC Adv 2016. [DOI: 10.1039/c6ra11149a] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
We have synthesized a new series of fully characterized donor–acceptor systems (2–7) involving electron donor triarylamines and electron acceptor naphtho[2,3-f]quinoxaline-7,12-dione by employing palladium catalyzed C–N bond forming amination reactions in good yields.
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Affiliation(s)
- Azam M. Shaikh
- Department of Chemistry
- University of Mumbai
- Mumbai – 400 098
- India
| | - Bharat K. Sharma
- Department of Chemistry
- University of Mumbai
- Mumbai – 400 098
- India
| | - Sajeev Chacko
- Department of Physics
- University of Mumbai
- Mumbai – 400 098
- India
| | - Rajesh M. Kamble
- Department of Chemistry
- University of Mumbai
- Mumbai – 400 098
- India
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33
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SHAIKH AZAMM, SHARMA BHARATK, KAMBLE RAJESHM. Synthesis, Photophysical, Electrochemical and Thermal Studies of Triarylamines based on benzo[g]quinoxalines. J CHEM SCI 2015. [DOI: 10.1007/s12039-015-0904-0] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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34
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Lima CFRAC, Costa JCS, Melo A, Tavares HR, Silva AMS, Santos LMNBF. Effect of Self-Association on the Phase Stability of Triphenylamine Derivatives. J Phys Chem A 2015; 119:6676-82. [DOI: 10.1021/acs.jpca.5b01079] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Carlos F. R. A. C. Lima
- CIQ,
Departamento de Quı́mica e Bioquı́mica, Faculdade de Ciências da Universidade do Porto, P-4169-007 Porto, Portugal
- Department of Chemistry & QOPNA, University of Aveiro, P-3810-193 Aveiro, Portugal
| | - José C. S. Costa
- CIQ,
Departamento de Quı́mica e Bioquı́mica, Faculdade de Ciências da Universidade do Porto, P-4169-007 Porto, Portugal
| | - André Melo
- LAQV-REQUIMTE, Departamento de Quı́mica
e Bioquı́mica, Faculdade de Ciências
da Universidade do Porto, P-4169-007 Porto, Portugal
| | - Hilário R. Tavares
- Department of Chemistry & QOPNA, University of Aveiro, P-3810-193 Aveiro, Portugal
| | - Artur M. S. Silva
- Department of Chemistry & QOPNA, University of Aveiro, P-3810-193 Aveiro, Portugal
| | - Luı́s M. N. B. F. Santos
- CIQ,
Departamento de Quı́mica e Bioquı́mica, Faculdade de Ciências da Universidade do Porto, P-4169-007 Porto, Portugal
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35
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Liu H, Bai Q, Yao L, Zhang H, Xu H, Zhang S, Li W, Gao Y, Li J, Lu P, Wang H, Yang B, Ma Y. Highly efficient near ultraviolet organic light-emitting diode based on a meta-linked donor-acceptor molecule. Chem Sci 2015; 6:3797-3804. [PMID: 29218149 PMCID: PMC5707503 DOI: 10.1039/c5sc01131k] [Citation(s) in RCA: 98] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2015] [Accepted: 05/15/2015] [Indexed: 12/21/2022] Open
Abstract
A meta-linked donor–acceptor (D–A) structure was utilized to achieve high-efficiency and colour-purity near ultraviolet (NUV) in organic light-emitting diodes (OLEDs).
A novel near ultraviolet (NUV) emitter with a meta-linked donor–acceptor (D–A) structure between triphenylamine (TPA) and phenanthroimidazole (PPI), mTPA–PPI, was designed and synthesized. This molecular design is expected to resolve the conflict between the non-red-shifted emission and the introduction of a charge-transfer (CT) state in the D–A system, aiming at NUV organic light-emitting diodes (OLEDs) with high-efficiency and colour-purity. Theoretical calculations and photophysical experiments were implemented to verify the unique excited state properties of mTPA–PPI. The mTPA–PPI device exhibited excellent NUV electroluminescence (EL) performance with an emission peak at 404 nm, a full width at half maximum (FWHM) of only 47 nm corresponding to a CIE coordinate of (0.161, 0.049), and a maximum external quantum efficiency (EQE) of 3.33%, which is among the best results for NUV OLEDs. This work not only demonstrates the promising potential of mTPA–PPI in NUV OLEDs, but also provides a valuable strategy for the rational design of NUV materials by using the meta-linked D–A architecture.
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Affiliation(s)
- Haichao Liu
- State Key Laboratory of Supramolecular Structure and Materials , Jilin University , Changchun , 130012 , P. R. China . ; ; Tel: +86-431-85193421.,College of Chemistry , Jilin University , Changchun , 130012 , P. R. China
| | - Qing Bai
- State Key Laboratory of Supramolecular Structure and Materials , Jilin University , Changchun , 130012 , P. R. China . ; ; Tel: +86-431-85193421.,College of Chemistry , Jilin University , Changchun , 130012 , P. R. China
| | - Liang Yao
- State Key Laboratory of Supramolecular Structure and Materials , Jilin University , Changchun , 130012 , P. R. China . ; ; Tel: +86-431-85193421.,College of Chemistry , Jilin University , Changchun , 130012 , P. R. China
| | - Haiyan Zhang
- College of Chemistry , Jilin University , Changchun , 130012 , P. R. China
| | - Hai Xu
- College of Chemistry , Jilin University , Changchun , 130012 , P. R. China
| | - Shitong Zhang
- State Key Laboratory of Supramolecular Structure and Materials , Jilin University , Changchun , 130012 , P. R. China . ; ; Tel: +86-431-85193421.,College of Chemistry , Jilin University , Changchun , 130012 , P. R. China
| | - Weijun Li
- State Key Laboratory of Supramolecular Structure and Materials , Jilin University , Changchun , 130012 , P. R. China . ; ; Tel: +86-431-85193421
| | - Yu Gao
- State Key Laboratory of Supramolecular Structure and Materials , Jilin University , Changchun , 130012 , P. R. China . ; ; Tel: +86-431-85193421.,College of Chemistry , Jilin University , Changchun , 130012 , P. R. China
| | - Jinyu Li
- State Key Laboratory of Supramolecular Structure and Materials , Jilin University , Changchun , 130012 , P. R. China . ; ; Tel: +86-431-85193421.,College of Chemistry , Jilin University , Changchun , 130012 , P. R. China
| | - Ping Lu
- State Key Laboratory of Supramolecular Structure and Materials , Jilin University , Changchun , 130012 , P. R. China . ; ; Tel: +86-431-85193421.,College of Chemistry , Jilin University , Changchun , 130012 , P. R. China
| | - Hongyan Wang
- College of Chemistry , Jilin University , Changchun , 130012 , P. R. China
| | - Bing Yang
- State Key Laboratory of Supramolecular Structure and Materials , Jilin University , Changchun , 130012 , P. R. China . ; ; Tel: +86-431-85193421.,College of Chemistry , Jilin University , Changchun , 130012 , P. R. China
| | - Yuguang Ma
- State Key Laboratory of Luminescent Materials and Devices , Institute of Polymer Optoelectronic Materials and Devices , South China University of Technology , Guangzhou , 510640 , P. R. China
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36
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Wang Z, Li X, Zhang W, Zhang S, Li H, Yu Z, Chen Y, Lu P, Chen P. The effect of meta coupling on colour purity, quantum yield, and exciton utilizing efficiency in deep-blue emitters from phenanthroimidazole isomers. Phys Chem Chem Phys 2015; 17:31894-901. [DOI: 10.1039/c5cp05097a] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Three isomers were employed to investigate the essential reason for the meta-tuning effect on their PL and EL properties.
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Affiliation(s)
- Zhiming Wang
- School of Petrochemical Engineering
- Shenyang University of Technology
- Liaoyang
- P. R. China
- Shenzhen Research Institute
| | - Xueying Li
- School of Petrochemical Engineering
- Shenyang University of Technology
- Liaoyang
- P. R. China
| | - Wanyu Zhang
- School of Petrochemical Engineering
- Shenyang University of Technology
- Liaoyang
- P. R. China
| | - Shitong Zhang
- State Key Laboratory of Supramolecular Structure and Materials
- Jilin University
- Changchun 130012
- P. R. China
| | - Hui Li
- School of Petrochemical Engineering
- Shenyang University of Technology
- Liaoyang
- P. R. China
| | - Zhenqiang Yu
- Shenzhen Research Institute
- The Hong Kong University of Science & Technology
- Shenzhen 518057
- China
| | - Yanming Chen
- School of Petrochemical Engineering
- Shenyang University of Technology
- Liaoyang
- P. R. China
| | - Ping Lu
- State Key Laboratory of Supramolecular Structure and Materials
- Jilin University
- Changchun 130012
- P. R. China
| | - Ping Chen
- State Key Laboratory on Integrated Optoelectronics
- College of Electronic Science and Engineering
- Jilin University
- Changchun 130012
- P. R. China
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37
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Akande A, Bhattacharya S, Cathcart T, Sanvito S. First principles study of the structural, electronic, and transport properties of triarylamine-based nanowires. J Chem Phys 2014; 140:074301. [PMID: 24559347 DOI: 10.1063/1.4864754] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
We investigate with state of the art density functional theory the structural, electronic, and transport properties of a class of recently synthesized nanostructures based on triarylamine derivatives. First, we consider the single molecule precursors in the gas phase and calculate their static properties, namely (i) the geometrical structure of the neutral and cationic ions, (ii) the electronic structure of the frontier molecular orbitals, and (iii) the ionization potential, hole extraction potential, and internal reorganization energy. This initial study does not evidence any direct correlation between the properties of the individual molecules and their tendency to self-assembly. Subsequently, we investigate the charge transport characteristics of the triarylamine derivatives nanowires, by using Marcus theory. For one derivative we further construct an effective Hamiltonian including intermolecular vibrations and evaluate the mobility from the Kubo formula implemented with Monte Carlo sampling. These two methods, valid respectively in the sequential hopping and polaronic band limit, give us values for the room-temperature mobility in the range 0.1-12 cm(2)/Vs. Such estimate confirms the superior transport properties of triarylamine-based nanowires, and make them an attracting materials platform for organic electronics.
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Affiliation(s)
- Akinlolu Akande
- School of Physics, AMBER and CRANN Institute, Trinity College Dublin, Dublin 2, Ireland
| | - Sandip Bhattacharya
- School of Physics, AMBER and CRANN Institute, Trinity College Dublin, Dublin 2, Ireland
| | - Thomas Cathcart
- School of Physics, AMBER and CRANN Institute, Trinity College Dublin, Dublin 2, Ireland
| | - Stefano Sanvito
- School of Physics, AMBER and CRANN Institute, Trinity College Dublin, Dublin 2, Ireland
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38
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Yao L, Yang B, Ma Y. Progress in next-generation organic electroluminescent materials: material design beyond exciton statistics. Sci China Chem 2014. [DOI: 10.1007/s11426-013-5046-y] [Citation(s) in RCA: 82] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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39
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Wang Z, Feng Y, Zhang S, Gao Y, Gao Z, Chen Y, Zhang X, Lu P, Yang B, Chen P, Ma Y, Liu S. Construction of high efficiency non-doped deep blue emitters based on phenanthroimidazole: remarkable substitution effects on the excited state properties and device performance. Phys Chem Chem Phys 2014; 16:20772-9. [DOI: 10.1039/c4cp03284e] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Remarkable substitution effects on the excited state properties and device performance are observed by tuning the coupling position.
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Affiliation(s)
- Zhiming Wang
- School of Petrochemical Engineering
- Shenyang University of Technology
- Liaoyang, P. R. China
| | - Ying Feng
- School of Petrochemical Engineering
- Shenyang University of Technology
- Liaoyang, P. R. China
| | - Shitong Zhang
- State Key Laboratory of Supramolecular Structure and Materials
- Jilin University
- Changchun 130012, P. R. China
| | - Yu Gao
- State Key Laboratory of Supramolecular Structure and Materials
- Jilin University
- Changchun 130012, P. R. China
| | - Zhao Gao
- State Key Laboratory of Supramolecular Structure and Materials
- Jilin University
- Changchun 130012, P. R. China
| | - Yanming Chen
- School of Petrochemical Engineering
- Shenyang University of Technology
- Liaoyang, P. R. China
| | - Xiaojuan Zhang
- School of Petrochemical Engineering
- Shenyang University of Technology
- Liaoyang, P. R. China
| | - Ping Lu
- State Key Laboratory of Supramolecular Structure and Materials
- Jilin University
- Changchun 130012, P. R. China
| | - Bing Yang
- State Key Laboratory of Supramolecular Structure and Materials
- Jilin University
- Changchun 130012, P. R. China
| | - Ping Chen
- State Key Laboratory on Integrated Optoelectronics
- College of Electronic Science and Engineering
- Jilin University
- Changchun 130012, P. R. China
| | - Yuguang Ma
- State Key Laboratory of Supramolecular Structure and Materials
- Jilin University
- Changchun 130012, P. R. China
| | - Shiyong Liu
- State Key Laboratory on Integrated Optoelectronics
- College of Electronic Science and Engineering
- Jilin University
- Changchun 130012, P. R. China
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40
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Guo ZH, Lei T, Jin ZX, Wang JY, Pei J. T-shaped donor-acceptor molecules for low-loss red-emission optical waveguide. Org Lett 2013; 15:3530-3. [PMID: 23819876 DOI: 10.1021/ol4012025] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A series of T-shaped polycyclic molecules with high fluorescence were developed as optical waveguide materials. Their emissions covered almost the whole visible range from 450 to 800 nm. Compound 3-1 showed an optical loss coefficient about 0.29 dB/μm in red-emission waveguide. Our investigations demonstrated that these molecules held great potential for organic optical waveguide due to the high fluorescence quantum efficiency and large Stokes' shift.
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Affiliation(s)
- Zi-Hao Guo
- Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
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41
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Wang Z, Song X, Ma L, Feng Y, Gu C, Zhang X, Lu P, Ma Y. A triphenylamine-capped solution-processable wholly aromatic organic molecule with electrochemical stability and its potential application in photovoltaic devices. NEW J CHEM 2013. [DOI: 10.1039/c3nj00406f] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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42
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Kusukawa T, Toyama K, Takeshita S, Tanaka S. Fluorescent detection of amidinium–carboxylate and amidinium formation using anthracene-based diamidine: an application for the analysis of dicarboxylic acid binding. Tetrahedron 2012. [DOI: 10.1016/j.tet.2012.09.072] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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43
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Ho MH, Balaganesan B, Chen CHF. Blue Fluorescence and Bipolar Transport Materials Based on Anthracene and Their Application in OLEDs. Isr J Chem 2012. [DOI: 10.1002/ijch.201100112] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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44
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Li Z, Ishizuka H, Sei Y, Akita M, Yoshizawa M. Extended Fluorochromism of Anthracene Trimers with ameta‐Substituted Triphenylamine or Triphenylphosphine Core. Chem Asian J 2012; 7:1789-94. [DOI: 10.1002/asia.201200310] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2012] [Indexed: 11/10/2022]
Affiliation(s)
- Zhiou Li
- Chemical Resources Laboratory, Tokyo Institute of Technology, 4259 Nagatsuta, Midori‐ku, Yokohama 226‐8503 (Japan), Fax: (+81) 45‐924‐5230
| | - Hiromi Ishizuka
- Chemical Resources Laboratory, Tokyo Institute of Technology, 4259 Nagatsuta, Midori‐ku, Yokohama 226‐8503 (Japan), Fax: (+81) 45‐924‐5230
| | - Yoshihisa Sei
- Chemical Resources Laboratory, Tokyo Institute of Technology, 4259 Nagatsuta, Midori‐ku, Yokohama 226‐8503 (Japan), Fax: (+81) 45‐924‐5230
| | - Munetaka Akita
- Chemical Resources Laboratory, Tokyo Institute of Technology, 4259 Nagatsuta, Midori‐ku, Yokohama 226‐8503 (Japan), Fax: (+81) 45‐924‐5230
| | - Michito Yoshizawa
- Chemical Resources Laboratory, Tokyo Institute of Technology, 4259 Nagatsuta, Midori‐ku, Yokohama 226‐8503 (Japan), Fax: (+81) 45‐924‐5230
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45
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Zhang Y, Zhang L, Wang R, Pan X. Theoretical study on the electronic structure and optical properties of carbazole-π-dimesitylborane as bipolar fluorophores for nondoped blue OLEDs. J Mol Graph Model 2012; 34:46-56. [DOI: 10.1016/j.jmgm.2011.12.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2011] [Revised: 12/21/2011] [Accepted: 12/22/2011] [Indexed: 10/14/2022]
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46
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Tang S, Li W, Shen F, Liu D, Yang B, Ma Y. Highly efficient deep-blue electroluminescence based on the triphenylamine-cored and peripheral blue emitters with segregative HOMO–LUMO characteristics. ACTA ACUST UNITED AC 2012. [DOI: 10.1039/c1jm14639d] [Citation(s) in RCA: 127] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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47
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Mikołajczyk MM, Zaleśny R, Czyżnikowska Ż, Toman P, Leszczynski J, Bartkowiak W. Long-range corrected DFT calculations of charge-transfer integrals in model metal-free phthalocyanine complexes. J Mol Model 2011; 17:2143-9. [PMID: 20978917 PMCID: PMC3168745 DOI: 10.1007/s00894-010-0865-7] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2010] [Accepted: 09/29/2010] [Indexed: 11/25/2022]
Abstract
An assessment of several widely used exchange-correlation potentials in computing charge-transfer integrals is performed. In particular, we employ the recently proposed Coulomb-attenuated model which was proven by other authors to improve upon conventional functionals in the case of charge-transfer excitations. For further validation, two distinct approaches to compute the property in question are compared for a phthalocyanine dimer.
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Affiliation(s)
- Mikołaj M. Mikołajczyk
- Theoretical Chemistry Group, Institute of Physical and Theoretical Chemistry, Wroclaw University of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland
| | - Robert Zaleśny
- Theoretical Chemistry Group, Institute of Physical and Theoretical Chemistry, Wroclaw University of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland
- Interdisciplinary Center for Nanotoxicity, Department of Chemistry, Jackson State University, Jr Lynch St. 1400, Jackson, MS 39217 USA
| | - Żaneta Czyżnikowska
- Theoretical Chemistry Group, Institute of Physical and Theoretical Chemistry, Wroclaw University of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland
- Department of Inorganic Chemistry, Faculty of Pharmacy, Wroclaw Medical University, Szewska 38, 50-139 Wrocław, Poland
| | - Petr Toman
- Institute of Macromolecular Chemistry, Academy of Sciences of the Czech Republic, v.v.i., Heyrovský Sq. 2, 162 06 Prague 6, Czech Republic
| | - Jerzy Leszczynski
- Interdisciplinary Center for Nanotoxicity, Department of Chemistry, Jackson State University, Jr Lynch St. 1400, Jackson, MS 39217 USA
| | - Wojciech Bartkowiak
- Theoretical Chemistry Group, Institute of Physical and Theoretical Chemistry, Wroclaw University of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland
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48
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Li LJ, Bai FQ, Zhang HX. Theoretical studies of the structural, electronic and optical properties of carbazole-based compounds. J PHYS ORG CHEM 2011. [DOI: 10.1002/poc.1920] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
| | - Fu-Quan Bai
- State Key Laboratory of Theoretical and Computational Chemistry, Institute of Theoretical Chemistry; Jilin University; Changchun; 130023; China
| | - Hong-Xing Zhang
- State Key Laboratory of Theoretical and Computational Chemistry, Institute of Theoretical Chemistry; Jilin University; Changchun; 130023; China
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49
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Tyagi P, Venkateswararao A, Thomas KRJ. Solution Processable Indoloquinoxaline Derivatives Containing Bulky Polyaromatic Hydrocarbons: Synthesis, Optical Spectra, and Electroluminescence. J Org Chem 2011; 76:4571-81. [DOI: 10.1021/jo2004764] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Payal Tyagi
- Organic Materials Lab, Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee 247 667, India
| | - A. Venkateswararao
- Organic Materials Lab, Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee 247 667, India
| | - K. R. Justin Thomas
- Organic Materials Lab, Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee 247 667, India
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50
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Thomas KRJ, Tyagi P. Synthesis, Spectra, and Theoretical Investigations of the Triarylamines Based on 6H-Indolo[2,3-b]quinoxaline. J Org Chem 2010; 75:8100-11. [DOI: 10.1021/jo1016663] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- K. R. Justin Thomas
- Organic Materials Lab, Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee 247 667, India
| | - Payal Tyagi
- Organic Materials Lab, Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee 247 667, India
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