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Zhong D, Liu S, Yue L, Feng Z, Wang H, Yang P, Su B, Yang X, Sun Y, Zhou G. Achieving pure room temperature phosphorescence (RTP) in phenoselenazine-based organic emitters through synergism among heavy atom effect, enhanced n → π* transitions and magnified electron coupling by the A-D-A molecular configuration. Chem Sci 2024; 15:9112-9119. [PMID: 38903225 PMCID: PMC11186343 DOI: 10.1039/d4sc01200c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Accepted: 05/01/2024] [Indexed: 06/22/2024] Open
Abstract
The weak spin-orbit coupling (SOC) in metal-free organic molecules poses a challenge in achieving phosphorescence emission. To attain pure phosphorescence in RTP organic emitters, a promising molecular design concept has been proposed. This involves incorporating n → π* transitions and leveraging the heavy atomic effect within the spin-orbit charge transfer-induced intersystem crossing (SOCT-ISC) mechanism of bipolar molecules. Following this design concept, two bipolar metal-free organic molecules (PhSeB and PhSeDB) with donor-acceptor (D-A) and acceptor-donor-acceptor (A-D-A) configurations have been synthesized. When the molecular configuration changes from D-A to A-D-A, PhSeDB exhibits stronger electron coupling and n → π* transitions, which can further enhance the spin-orbit coupling (SOC) together with the heave atom effect from the selenium atom. By the advanced synergism among enhanced n → π* transitions, heavy atom effect and magnified electron coupling to efficiently promote phosphorescence emission, PhSeDB can achieve pure RTP emission in both the solution and doped solid film. Thanks to the higher spin-orbit coupling matrix elements (SOCMEs) for T1 ↔ S0, PhSeDB attains the highest phosphorescence quantum yield (ca. 0.78) among all the RTP organic emitters reported. Consequently, the purely organic phosphorescent light-emitting diodes (POPLEDs) based on PhSeDB achieve the highest external quantum efficiencies of 18.2% and luminance of 3000 cd m-2. These encouraging results underscore the significant potential of this innovative molecular design concept for highly efficient POPLEDs.
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Affiliation(s)
- Daokun Zhong
- Engineering Research Center of Energy Storage Materials and Devices, School of Chemistry, State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University Xi'an 710049 P. R. China
| | - Siqi Liu
- Engineering Research Center of Energy Storage Materials and Devices, School of Chemistry, State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University Xi'an 710049 P. R. China
| | - Ling Yue
- Engineering Research Center of Energy Storage Materials and Devices, School of Chemistry, State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University Xi'an 710049 P. R. China
| | - Zhao Feng
- Engineering Research Center of Energy Storage Materials and Devices, School of Chemistry, State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University Xi'an 710049 P. R. China
| | - Hongyan Wang
- Engineering Research Center of Energy Storage Materials and Devices, School of Chemistry, State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University Xi'an 710049 P. R. China
| | - Peng Yang
- Engineering Research Center of Energy Storage Materials and Devices, School of Chemistry, State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University Xi'an 710049 P. R. China
| | - Bochao Su
- Engineering Research Center of Energy Storage Materials and Devices, School of Chemistry, State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University Xi'an 710049 P. R. China
| | - Xiaolong Yang
- Engineering Research Center of Energy Storage Materials and Devices, School of Chemistry, State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University Xi'an 710049 P. R. China
| | - Yuanhui Sun
- Engineering Research Center of Energy Storage Materials and Devices, School of Chemistry, State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University Xi'an 710049 P. R. China
| | - Guijiang Zhou
- Engineering Research Center of Energy Storage Materials and Devices, School of Chemistry, State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University Xi'an 710049 P. R. China
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2
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Zhen J, Long J, Guo X, Wang Q, Zeng X. Tryptophan-Doped Poly(vinyl alcohol) Films with Ultralong-Lifetime Room-Temperature Phosphorescence and Color-Tunable Afterglow Under Ambient Conditions. Chemistry 2024; 30:e202304137. [PMID: 38253784 DOI: 10.1002/chem.202304137] [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: 12/12/2023] [Revised: 01/20/2024] [Accepted: 01/22/2024] [Indexed: 01/24/2024]
Abstract
The development of a persistent luminescence system with long-lived phosphorescence and color-tunable afterglow at room temperature represents a challenge, largely due to the intensive non-radiative deactivation pathway. In this study, an ultralong-lived room temperature phosphorescence (RTP) system has been achieved using a hydrogen-bonding strategy where poly(vinyl alcohol) (PVA) matrices were doped with tryptophan (Trp) derivatives. The PVA film doped with N-α-(9-Fluorenylmethoxycarbonyl)-L-tryptophan (Fmoc-L-Trp) exhibited a long-lived phosphorescence emission of up to 3859.70 ms, and a blue afterglow for a duration greater than 34 s, under ambient conditions. The introduction of two other fluorescent dyes (i. e., Rhodamine B and Basicred14) to the PVA film facilitates adjustment to the color of the afterglow from blue to orange, and pink, by a triplet-to-singlet Förster-resonance energy transfer (TS-FRET) process. These films have been successfully applied in silk-screen printing and in multicolor afterglow light-emitting diode (LED) arrays.
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Affiliation(s)
- Jingshuang Zhen
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Chemistry & Chemical Engineering, Tianjin University of Technology, Tianjin, 300384, China
| | - Jiangqin Long
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Chemistry & Chemical Engineering, Tianjin University of Technology, Tianjin, 300384, China
| | - Xin Guo
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Chemistry & Chemical Engineering, Tianjin University of Technology, Tianjin, 300384, China
| | - Qiusheng Wang
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Chemistry & Chemical Engineering, Tianjin University of Technology, Tianjin, 300384, China
| | - Xu Zeng
- School of Chemical Engineering and Technology, Tianjin University, Yaguan Road 135, Tianjin, 300350, PR China
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3
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Mao Y, Yao X, Yu Z, An Z, Ma H. Ground-State Orbital Descriptors for Accelerated Development of Organic Room-Temperature Phosphorescent Materials. Angew Chem Int Ed Engl 2024; 63:e202318836. [PMID: 38141053 DOI: 10.1002/anie.202318836] [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: 12/07/2023] [Revised: 12/21/2023] [Accepted: 12/22/2023] [Indexed: 12/24/2023]
Abstract
Organic materials with room-temperature phosphorescence (RTP) are in high demand for optoelectronics and bioelectronics. Developing RTP materials highly relies on expert experience and costly excited-state calculations. It is a challenge to find a tool for effectively screening RTP materials. Herein we first establish ground-state orbital descriptors (πFMOs ) derived from the π-electron component of the frontier molecular orbitals to characterize the RTP lifetime (τp ), achieving a balance in screening efficiency and accuracy. Using the πFMOs , a data-driven machine learning model gains a high accuracy in classifying long τp , filtering out 836 candidates with long-lived RTP from a virtual library of 19,295 molecules. With the aid of the excited-state calculations, 287 compounds are predicted with high RTP efficiency. Impressively, experiments further confirm the reliability of this workflow, opening a novel avenue for designing high-performance RTP materials for potential applications.
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Affiliation(s)
- Yufeng Mao
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), School of Flexible Electronics (Future Technologies), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing, 211816, China
- The Institute of Flexible Electronics (IFE, Future Technologies), Xiamen University, Xiamen 361005 Fujian, China
| | - Xiaokang Yao
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), School of Flexible Electronics (Future Technologies), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing, 211816, China
| | - Ze Yu
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), School of Flexible Electronics (Future Technologies), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing, 211816, China
| | - Zhongfu An
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), School of Flexible Electronics (Future Technologies), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing, 211816, China
- The Institute of Flexible Electronics (IFE, Future Technologies), Xiamen University, Xiamen 361005 Fujian, China
| | - Huili Ma
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), School of Flexible Electronics (Future Technologies), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing, 211816, China
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4
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Guang L, Lu Y, Zhang Y, Liao R, Wang F. Circularly Polarized Phosphorescence of Benzils Achieved by Chiral Supramolecular Polymerization. Angew Chem Int Ed Engl 2024; 63:e202315362. [PMID: 38117012 DOI: 10.1002/anie.202315362] [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: 10/11/2023] [Revised: 11/22/2023] [Accepted: 12/12/2023] [Indexed: 12/21/2023]
Abstract
In current approaches for circularly polarized phosphorescent materials, the crystallization of chiral phosphors suffers from poor processability, while integrating them into an amorphous polymer matrix results in unsatisfactory chiroptical signals due to the absence of chirality communication. Here, we have developed an innovative strategy through chiral supramolecular polymerization of benzil phosphors facilitated by intermolecular hydrogen bonds. The inherent film-forming capabilities of non-covalent supramolecular polymers obviate the need for an external polymer matrix. The pronounced helical asymmetry of benzil phosphors resulting from chiral supramolecular polymerization leads to enhanced circularly polarized phosphorescence compared to their non-hydrogen-bonded counterparts. The circularly polarized phosphorescent signals can be further modulated by varying the location of stereogenic centers or introducing halogen bonding to benzils. Incorporation of platinum(II) phosphor into the benzil supramolecular polymers induces both chirality and triplet-to-triplet energy transfer, leading to a change in circularly polarized phosphorescent color from yellow to red. In summary, chiral supramolecular polymerization of phosphors represents a novel and effective approach to circularly polarized phosphorescent materials.
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Affiliation(s)
- Longyu Guang
- Key Laboratory of Precision and Intelligent Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Yi Lu
- Key Laboratory of Precision and Intelligent Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Yifei Zhang
- Key Laboratory of Precision and Intelligent Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Rui Liao
- Key Laboratory of Precision and Intelligent Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Feng Wang
- Key Laboratory of Precision and Intelligent Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
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5
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Zhang Y, Li J, Zhao J, Li X, Wang Z, Huang Y, Zhang H, Liu Q, Lei Y, Ding D. π-π Interaction-Induced Organic Long-wavelength Room-Temperature Phosphorescence for In Vivo Atherosclerotic Plaque Imaging. Angew Chem Int Ed Engl 2024; 63:e202313890. [PMID: 38059792 DOI: 10.1002/anie.202313890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 11/18/2023] [Accepted: 12/01/2023] [Indexed: 12/08/2023]
Abstract
Room-temperature phosphorescent (RTP) materials have great potential for in vivo imaging because they can circumvent the autofluorescence of biological tissues. In this study, a class of organic-doped long-wavelength (≈600 nm) RTP materials with benzo[c][1,2,5] thiadiazole as a guest was constructed. Both host and guest molecules have simple structures and can be directly purchased commercially at a low cost. Owing to the long phosphorescence wavelength of the doping system, it exhibited good tissue penetration (10 mm). Notably, these RTP nanoparticles were successfully used to image atherosclerotic plaques, with a signal-to-background ratio (SBR) of 44.52. This study provides a new approach for constructing inexpensive red organic phosphorescent materials and a new method for imaging cardiovascular diseases using these materials.
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Affiliation(s)
- Yufan Zhang
- Frontiers Science Center for Cell Responses, State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, 300071, Tianjin, China
| | - Jisen Li
- Frontiers Science Center for Cell Responses, State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, 300071, Tianjin, China
| | - Jiliang Zhao
- Frontiers Science Center for Cell Responses, State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, 300071, Tianjin, China
| | - Xuefei Li
- Frontiers Science Center for Cell Responses, State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, 300071, Tianjin, China
| | - Zhimei Wang
- Frontiers Science Center for Cell Responses, State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, 300071, Tianjin, China
| | - Yicheng Huang
- School of Chemistry and Materials Engineering, Wenzhou University, 325035, Wenzhou, China
| | - Hongkai Zhang
- Frontiers Science Center for Cell Responses, State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, 300071, Tianjin, China
| | - Qian Liu
- Department of Urology, Tianjin First Central Hospital, 300192, Tianjin, China
| | - Yunxiang Lei
- School of Chemistry and Materials Engineering, Wenzhou University, 325035, Wenzhou, China
| | - Dan Ding
- Frontiers Science Center for Cell Responses, State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, 300071, Tianjin, China
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6
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Wang SD, Xue ZZ, Mu Y, Li JH, Wang GM. Multicolor Phosphorescence Modulated by Excitation and Temperature in Zn-Based Coordination Polymers. Inorg Chem 2023; 62:17464-17469. [PMID: 37820048 DOI: 10.1021/acs.inorgchem.3c02847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/13/2023]
Abstract
Color-tunable room-temperature phosphorescence (RTP) with potential in many fields is of great importance but extremely challenging. It is necessary to comprehend the correlation between the molecular structure and property to design and synthesize such materials. Metal-organic coordination polymers (CPs) with good predesignability and precise structure have become a platform to construct RTP materials. Herein, three zinc-based CPs containing halogen and a flexible tetradentate ligand are synthesized. All of these CPs present two constant emission regions and an excitation-dependent emission region. Structure-property analysis shows that these emissions originate from isolated chromophores and dimerized chromophores as well as various charge transfers. The phosphorescence colors of these CPs can be modulated by excitation and temperature. This study provides a novel strategy to construct multicolor and multiresponsive RTP materials based on metal-organic coordination polymers.
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Affiliation(s)
- Shi-Dong Wang
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, Shandong 266071, P. R. China
| | - Zhen-Zhen Xue
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, Shandong 266071, P. R. China
| | - Ying Mu
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, Shandong 266071, P. R. China
| | - Jin-Hua Li
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, Shandong 266071, P. R. China
| | - Guo-Ming Wang
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, Shandong 266071, P. R. China
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7
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Flecken F, Knapp A, Grell T, Dreßler C, Hanf S. Acute Bite Angle POP- and PSP-Type Ligands and Their Trinuclear Copper(I) Complexes: Synthesis and Photo-Luminescence Properties. Inorg Chem 2023; 62:13038-13049. [PMID: 37535941 DOI: 10.1021/acs.inorgchem.3c01865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/05/2023]
Abstract
In the current work, the rational synthesis of trinuclear copper complexes, incorporating acute bite angle POP- and PSP-type ligands, is reported. The in situ formation of POP (Ph2P-O-PPh2) or PSP (Ph2P-S-PPh2) ligands in the presence of a copper(I) precursor gave access to various trinuclear copper complexes of the form [Cu3(μ3-Hal)2(μ-PXP)3]PF6 [X = O; Hal = Cl (1), Br (2), I (3) and X = S; Hal = Cl (5), Br (6), I (7)]. Related iodide-containing complexes and clusters, such as [Cu4(μ3-I)4(Ph2PI)4] (4) and [Cu3(μ3-I)2(μ-I)(μ-PSP)2] (8), could also be obtained via the variation of the reaction stoichiometry. The investigation of the photo-optical properties by photo-luminescence spectroscopy has demonstrated that the phosphorescence in the visible region can be switched off through the mere change of the heteroatom in the ligand backbone (POP vs PSP ligand scaffold). Theoretical studies have been conducted to complement the experimental photo-optical data with detailed insights into the occurring electronic transitions. Consequently, this systematic study paves the way for tuning the photo-optical properties of transition metal complexes in a more rational way.
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Affiliation(s)
- Franziska Flecken
- Institute for Inorganic Chemistry, Karlsruhe Institute of Technology, Engesserstr. 15, 76131 Karlsruhe, Germany, Mail:
| | - Anna Knapp
- Institute for Inorganic Chemistry, Karlsruhe Institute of Technology, Engesserstr. 15, 76131 Karlsruhe, Germany, Mail:
| | - Toni Grell
- Dipartimento di Chimica, Università degli Studi di Milano, Via Camillo Golgi 19, 20133 Milano, Italy
| | - Christian Dreßler
- Institute of Physics, Ilmenau University of Technology, Weimarer Straße 32, 98693 Ilmenau, Germany
| | - Schirin Hanf
- Institute for Inorganic Chemistry, Karlsruhe Institute of Technology, Engesserstr. 15, 76131 Karlsruhe, Germany, Mail:
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8
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Zhu H, Liu J, Wu Y, Wang L, Zhang H, Li Q, Wang H, Xing H, Sessler JL, Huang F. Substrate-Responsive Pillar[5]arene-Based Organic Room-Temperature Phosphorescence. J Am Chem Soc 2023; 145:11130-11139. [PMID: 37155275 DOI: 10.1021/jacs.3c00711] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Room-temperature phosphorescence (RTP) is a photophysical phenomenon typically associated with a long-lived emission that can be detected by the unaided eye. Several natural proteins display RTP, as do certain artificial polymers. In both cases, the RTP is ascribed to effective intramolecular through-space electronic communication. However, small molecules with internal electronic communication that enable RTP are relatively rare. Herein, we describe an alkyl halide-responsive RTP system consisting of a meta-formylphenyl-bearing pillar[5]arene derivative that supports effective through-space charge transfer (TSCT) within the pillararene cavity. Treatment with bromoethane, a heavy atom-containing guest for the pillar[5]arene host, serves to enhance the emission. An isomeric para-formylphenyl-bearing pillar[5]arene system proved ineffective in producing an RTP effect. Quantum chemical calculations based on single-crystal X-ray diffraction analyses provided insights into the structural determinants governing TSCT between the 1,4-dimethoxybenzene donor units and the formylphenyl groups of the pillar[5]arene, as well as the associated energy gaps and intersystem crossing channels. We believe that the present system and the associated mechanistic analysis provide the foundation for design of new small molecule with tunable RTP features.
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Affiliation(s)
- Huangtianzhi Zhu
- Stoddart Institute of Molecular Science, Department of Chemistry, Zhejiang University, Hangzhou 310027, P. R. China
- Zhejiang-Israel Joint Laboratory of Self-Assembling Functional Materials, ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou 311215, P. R. China
| | - Junkai Liu
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction and Institute for Advanced Study, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon 999077, Hong Kong, P. R. China
| | - Yitao Wu
- Stoddart Institute of Molecular Science, Department of Chemistry, Zhejiang University, Hangzhou 310027, P. R. China
| | - Lei Wang
- Zhejiang-Israel Joint Laboratory of Self-Assembling Functional Materials, ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou 311215, P. R. China
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, P. R. China
| | - Haoke Zhang
- Zhejiang-Israel Joint Laboratory of Self-Assembling Functional Materials, ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou 311215, P. R. China
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, P. R. China
| | - Qi Li
- Stoddart Institute of Molecular Science, Department of Chemistry, Zhejiang University, Hangzhou 310027, P. R. China
| | - Hu Wang
- Department of Chemistry, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Hao Xing
- Hangzhou Zhijiang Advanced Material Co., Ltd, Hangzhou 311203, P. R. China
| | - Jonathan L Sessler
- Department of Chemistry, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Feihe Huang
- Stoddart Institute of Molecular Science, Department of Chemistry, Zhejiang University, Hangzhou 310027, P. R. China
- Zhejiang-Israel Joint Laboratory of Self-Assembling Functional Materials, ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou 311215, P. R. China
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Wu H, Shi YZ, Wang K, Yu J, Zhang XH. Conformational isomeric thermally activated delayed fluorescence (TADF) emitters: mechanism, applications, and perspectives. Phys Chem Chem Phys 2023; 25:2729-2741. [PMID: 36633179 DOI: 10.1039/d2cp05119b] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Thermally activated delayed fluorescence (TADF) materials have received enormous attention and the mechanism behind them has been investigated in depth. It has been found that some donor-acceptor (D-A) type TADF emitters could obviously exhibit dual stable conformations in the ground states and their distributions significantly affect the physical properties and device performances. Therefore, professional analysis and a summary of the relationship between molecular structures and performances are very important. In this review, we first summarize the mechanism and properties of TADF emitters with conformational isomerism. We also classify their recent progress according to their different applications, and provide an outlook on their perspectives.
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Affiliation(s)
- Hao Wu
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, 199 Ren'ai Road, Suzhou, 215123, Jiangsu, P. R. China.
| | - Yi-Zhong Shi
- School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou, 215009, P. R. China.
| | - Kai Wang
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, 199 Ren'ai Road, Suzhou, 215123, Jiangsu, P. R. China. .,Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123, Jiangsu, P. R. China
| | - Jia Yu
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, 199 Ren'ai Road, Suzhou, 215123, Jiangsu, P. R. China. .,Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Soochow University, Suzhou, 215123, Jiangsu, P. R. China
| | - Xiao-Hong Zhang
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, 199 Ren'ai Road, Suzhou, 215123, Jiangsu, P. R. China. .,Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Soochow University, Suzhou, 215123, Jiangsu, P. R. China
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10
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Kou M, Qin F, Wang Y, Zhang X, Hu Z, Zhang Z. Insight into the Heavy Atom Effect Induced by Environmental Heavy Atoms for Gadolinium-Labeled Hematoporphyrin Monomethyl Ether. J Phys Chem B 2023; 127:777-782. [PMID: 36647797 DOI: 10.1021/acs.jpcb.2c08415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Environmental heavy atoms can further enhance the room temperature phosphorescence (RTP) emissions of gadolinium-labeled hematoporphyrin monomethyl ether (Gd-HMME) by way of the external heavy atom effect (HAE). However, the macroscopic phosphorescence intensity covered the intrinsic effect of the environmental heavy atoms. In this study, a method of separating the external HAE from the total is performed, and a quantity to describe the intrinsic nature of external HAE is defined. The environmental Gd3+ concentration evolution of the phosphorescent transition rate (kP) is obtained by correlated absorption, emission, and time-resolved spectroscopy. The kP increases linearly with environmental Gd3+ concentration, while the intercept kP0 coincides with that of the internal HAE. The slope κ could be calculated, and it is a quantity free of the Gd3+ concentration and only relies on the type of environmental heavy atoms. In addition, the environmental Lu3+ exhibits similar functionality to Gd3+ in external HAE. Environmental Pd2+ quenches the phosphorescence intensity macroscopically, while it enhances the HAE intrinsically. Our method provides an alternative insight into the intrinsic nature of environmental heavy atoms.
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Affiliation(s)
- Meng Kou
- School of Physics, Harbin Institute of Technology, Harbin 150001, China
| | - Feng Qin
- School of Instrumentation Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Yongda Wang
- School of Instrumentation Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Xiyu Zhang
- School of Physics, Harbin Institute of Technology, Harbin 150001, China
| | - Zheng Hu
- School of Instrumentation Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Zhiguo Zhang
- School of Physics, Harbin Institute of Technology, Harbin 150001, China.,School of Instrumentation Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
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11
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Shi H, Yao W, Ye W, Ma H, Huang W, An Z. Ultralong Organic Phosphorescence: From Material Design to Applications. Acc Chem Res 2022; 55:3445-3459. [PMID: 36368944 DOI: 10.1021/acs.accounts.2c00514] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Organic phosphorescence is defined as a radiative transition between the different spin multiplicities of an organic molecule after excitation; here, we refer to the photoexcitation. Unlike fluorescence, it shows a long emission lifetime (∼μs), large Stokes shift, and rich excited state properties, attracting considerable attention in organic electronics during the past years. Ultralong organic phosphorescence (UOP), a type of persistent luminescence in organic phosphors, shows an emission lifetime of over 100 ms normally according to the resolution limit of the naked eye. According to the Jablonski energy diagram, two prerequisites are necessary for UOP generation and enhancement. One is to promote intersystem crossing (ISC) of the excitons from the excited singlet to triplet states by enhancing the spin-orbit coupling (SOC); the other is to suppress the nonradiative transitions of the excitons from the excited triplet states.In this Account, we will give a summary of our research on ultralong organic phosphorescence, including the design of materials, manipulation of properties, fabrication of nano/microstructures, and function applications. First, we give a brief introduction to the UOP development. Then, we discuss the constructed methods of UOP materials from the inter/intramolecular interaction types, including π-π interactions, intermolecular hydrogen bonds, halogen bonds, ionic bonds, covalent bonds, and so on. These effective interactions can build a rigid environment to restrain the nonradiative transitions from the molecular motions or external quenching by oxygen, moisture, or heat, and thus enhance the UOP performance. Next, the manipulation of UOP properties, containing excitation wavelength, emission colors, lifetimes, and quantum efficiency (QE), through molecular or crystal engineering will be summarized. Recently, the excitation wavelengths of the materials for UOP can be regulated in different regions, such as UV, visible light, and X-ray; the emission colors of UOP can cover the whole visible-light region, from deep blue to red; the phosphorescence lifetime of UOP materials can reach 2.5 s, and the quantum efficiency can be achieved up to 96.5%. Moreover, we will present the fabrication of micro/nanoscale UOP materials, including the preparation of micro/nanostructure, optical performance, and device fabrication. Afterward, we will review the potential applications of UOP materials in organic/bio-optoelectronics, such as information encryption, bioimaging, sensing, afterglow display, etc. Finally, an outlook on the development of UOP materials and applications will be proposed.
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Affiliation(s)
- Huifang Shi
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing211816, China
- State Key Laboratory of Organic Electronics and Information Displays & Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, 9 Wenyuan Road, Nanjing210023, China
| | - Wei Yao
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing211816, China
| | - Wenpeng Ye
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing211816, China
| | - Huili Ma
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing211816, China
| | - Wei Huang
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing211816, China
- State Key Laboratory of Organic Electronics and Information Displays & Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, 9 Wenyuan Road, Nanjing210023, China
- Frontiers Science Center for Flexible Electronics, Xi'an Institute of Flexible Electronics (IFE), Northwestern Polytechnical University, 127 West Youyi Road, Xi'an710072, China
| | - Zhongfu An
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing211816, China
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Liu Y, Wang Z, Miao K, Zhang X, Li W, Zhao P, Sun P, Zheng T, Zhang X, Chen C. Research progress on near-infrared long persistent phosphor materials in biomedical applications. NANOSCALE ADVANCES 2022; 4:4972-4996. [PMID: 36504755 PMCID: PMC9680941 DOI: 10.1039/d2na00426g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 10/22/2022] [Indexed: 06/17/2023]
Abstract
After excitation is stopped, long persistent phosphor materials (LPPs) can emit light for a long time. The most important feature is that it allows the separation of excitation and emission in time. Therefore, it plays a vital role in various fields such as data storage, information technology, and biomedicine. Owing to the unique mechanism of storage and luminescence, LPPs can avoid the interference of sample autofluorescence, as well as show strong tissue penetration ability, good afterglow performance, and rich spectral information in the near-infrared (NIR) region, which provides a broad prospect for the application of NIR LPPs in the field of biomedicine. In recent years, the development and applications in biomedical fields have been advanced significantly, such as biological imaging, sensing detection, and surgical guidance. In this review, we focus on the synthesis methods and luminescence mechanisms of different types of NIR LPPs, as well as their applications in bioimaging, biosensing detection, and cancer treatment in the field of biomedicine. Finally, future prospects and challenges of NIR LPPs in biomedical applications are also discussed.
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Affiliation(s)
- Yan Liu
- Department of Pharmacy, Shandong University of Traditional Chinese Medicine Jinan 250355 Shandong China
| | - Zengxue Wang
- Department of Pharmacy, Shandong University of Traditional Chinese Medicine Jinan 250355 Shandong China
| | - Kun Miao
- Department of Pharmacy, Shandong University of Traditional Chinese Medicine Jinan 250355 Shandong China
| | - Xundi Zhang
- Department of Pharmacy, Shandong University of Traditional Chinese Medicine Jinan 250355 Shandong China
| | - Wei Li
- Department of Pharmacy, Shandong University of Traditional Chinese Medicine Jinan 250355 Shandong China
| | - Pan Zhao
- Department of Pharmacy, Shandong University of Traditional Chinese Medicine Jinan 250355 Shandong China
| | - Peng Sun
- Innovative of Chinese Medicine and Pharmacy, Shandong University of Traditional Chinese Medicine Jinan 250355 Shandong China
| | - Tingting Zheng
- Department of Pharmacy, Shandong University of Traditional Chinese Medicine Jinan 250355 Shandong China
| | - Xiuyun Zhang
- Department of Pharmacy, Shandong University of Traditional Chinese Medicine Jinan 250355 Shandong China
| | - Chen Chen
- Key Laboratory of New Material Research Institute, Department of Acupuncture-Moxibustion and Tuina, Shandong University of Traditional Chinese Medicine Jinan 250355 China
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Kou M, Qin F, Wang Y, Zhang X, Zhao H, Tian Y, Zhang Z. Intrinsic Characterization Method on the Heavy Atom Effect of Metalloporphyrins. Inorg Chem 2022; 61:15175-15181. [DOI: 10.1021/acs.inorgchem.2c02374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Meng Kou
- School of Physics, Harbin Institute of Technology, Harbin 150001, China
| | - Feng Qin
- School of Instrumentation Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Yongda Wang
- School of Instrumentation Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Xiyu Zhang
- School of Physics, Harbin Institute of Technology, Harbin 150001, China
| | - Hua Zhao
- School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Ye Tian
- Division of Cardiology, The First Affiliated Hospital, Harbin Medical University, Harbin 150001, China
| | - Zhiguo Zhang
- School of Physics, Harbin Institute of Technology, Harbin 150001, China
- School of Instrumentation Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
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Secondary through-space interactions facilitated single-molecule white-light emission from clusteroluminogens. Nat Commun 2022; 13:3492. [PMID: 35715394 PMCID: PMC9205862 DOI: 10.1038/s41467-022-31184-9] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 06/07/2022] [Indexed: 02/06/2023] Open
Abstract
Clusteroluminogens refer to some non-conjugated molecules that show visible light and unique electronic properties with through-space interactions due to the formation of aggregates. Although mature and systematic theories of molecular photophysics have been developed to study conventional conjugated chromophores, it is still challenging to endow clusteroluminogens with designed photophysical properties by manipulating through-space interactions. Herein, three clusteroluminogens with non-conjugated donor-acceptor structures and different halide substituents are designed and synthesized. These compounds show multiple emissions and even single-molecule white-light emission in the crystalline state. The intensity ratio of these emissions is easily manipulated by changing the halide atom and excitation wavelength. Experimental and theoretical results successfully disclose the electronic nature of these multiple emissions: through-space conjugation for short-wavelength fluorescence, through-space charge transfer based on secondary through-space interactions for long-wavelength fluorescence, and room-temperature phosphorescence. The introduction of secondary through-space interactions to clusteroluminogens not only enriches their varieties of photophysical properties but also inspires the establishment of novel aggregate photophysics for clusteroluminescence. Although mature and systematic theories of molecular photophysics have been developed, it is still challenging to endow clusteroluminogens (CLgens) with designed photophysical properties by manipulating through-space interactions. Here, the authors design three CLgens that show multiple emissions and white-light emission in the crystalline state, and emphasize the important role of secondary through-space interactions between the acceptor and non-conjugated donor units.
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Chen J, Chen X, Cao L, Deng H, Chi Z, Liu B. Synergistic Generation and Accumulation of Triplet Excitons for Efficient Ultralong Organic Phosphorescence. Angew Chem Int Ed Engl 2022; 61:e202200343. [PMID: 35355396 DOI: 10.1002/anie.202200343] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Indexed: 11/10/2022]
Abstract
The traditional method to achieve ultralong organic phosphorescence (UOP) is to hybrid nπ* and ππ* configurations in appropriate proportion, which are contradictory to each other for improving efficiency and lifetime of phosphorescence. In this work, through replacing the electron-donating aromatic group with a methoxy group and combining intramolecular halogen bond to promote intersystem crossing and suppress non-radiative transition, an efficient UOP molecule (2Br-OSPh) has been synthesized with the longest lifetime and brightest UOP among its isomers. As compared to CzS2Br, which has a similar substituted position of bromine atom and a larger kisc (the rate of intersystem crossing), the smaller ΔETT* (the energy gap between monomeric phosphorescence and aggregated state phosphorescence) in 2Br-OSPh could accelerate the transition from T1 to T1 *. This research indicates that both generation and accumulation of triplet excitons play an important role in realizing efficient UOP materials.
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Affiliation(s)
- Junru Chen
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore
| | - Xiaojie Chen
- School of Chemistry, Sun Yat-sen University, Guangzhou, China
| | - Lei Cao
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore.,Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Fuzhou, China
| | - Huangjun Deng
- School of Chemistry, Sun Yat-sen University, Guangzhou, China
| | - Zhenguo Chi
- School of Chemistry, Sun Yat-sen University, Guangzhou, China
| | - Bin Liu
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore.,Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Fuzhou, China
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16
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Qian C, Ma Z, Fu X, Zhang X, Li Z, Jin H, Chen M, Jiang H, Jia X, Ma Z. More than Carbazole Derivatives Activate Room Temperature Ultralong Organic Phosphorescence of Benzoindole Derivatives. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2200544. [PMID: 35276024 DOI: 10.1002/adma.202200544] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 02/23/2022] [Indexed: 06/14/2023]
Abstract
The mechanism of carbazole (Cz)-based phosphors is still unclear since its isomer (1H-benzo[f]indole, Bd) is discovered in 2020. Herein, the successful synthesis of four Cz/Bd derivatives is reported, named as 2CzBr, CzBdBr, 2BdBr, and 3Bd, and the general mechanism for their ultralong organic phosphorescence (UOP) is provided. Bd and its derivatives give double groups of phosphorescence, including the short-wavelength phosphorescence with a short lifetime and the ultralong phosphorescence at long wavelengths, assigned to their neutral molecules and radical cations, respectively. Interestingly, the doped poly(methyl methacrylate) (PMMA) films of CzBdBr and 2BdBr show photo-activated ultralong phosphorescence at room temperature. The activation of Bd derivatives 'UOP involves three factors: 1) well dispersion in the matrix with limited amount, 2) generation of their radical cations and 3) the matrix-mediated stabilization of radical cations. The function of Cz derivatives to activate the Bd derivatives' UOP could be replaced by photo-activation or using other matrixes. Significantly, the application of the doped PMMA films is practiced and gives an exciting result that the high-resolution QR code could be reversibly printed and erased on the film. This research has expanded the understanding in the field of organic phosphorescence and it may pave a new way for its development.
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Affiliation(s)
- Chen Qian
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Zhimin Ma
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of the Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
| | - Xiaohua Fu
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Xue Zhang
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Zewei Li
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of the Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
| | - Huiwen Jin
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Mingxing Chen
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of the Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
| | - Hong Jiang
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of the Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
| | - Xinru Jia
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of the Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
| | - Zhiyong Ma
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
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17
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Xiao G, Fang X, Ma Y, Yan D. Multi-Mode and Dynamic Persistent Luminescence from Metal Cytosine Halides through Balancing Excited-State Proton Transfer. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2200992. [PMID: 35398992 PMCID: PMC9165479 DOI: 10.1002/advs.202200992] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 03/08/2022] [Indexed: 06/14/2023]
Abstract
Persistent luminescence has attracted great attention due to the unique applications in molecular imaging, photodynamic therapy, and information storage, among many others. However, tuning the dynamic persistent luminescence through molecular design and materials engineering remains a challenge. In this work, the first example of excitation-dependent persistent luminescence in a reverse mode for smart optical materials through tailoring the excited-state proton transfer process of metal cytosine halide hybrids is reported. This approach enables ultralong phosphorescence and thermally activated delayed fluorescence emission colors highly tuned by modulation of excitation wavelength, time evolution, and temperature, which realize multi-mode dynamic color adjustment from green to blue or cyan to yellow-green. At the single crystal level, the 2D excitation/space/time-resolved optical waveguides with triple color conversion have been constructed on the organic-metal halide microsheets, which represent a new strategy for multi-dimensional information encryption and optical logic gate applications.
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Affiliation(s)
- Guowei Xiao
- Beijing Key Laboratory of Energy Conversion and Storage MaterialsCollege of Chemistryand Key Laboratory of Radiopharmaceuticals, Ministry of EducationBeijing Normal UniversityBeijing100875P. R. China
| | - Xiaoyu Fang
- Beijing Key Laboratory of Energy Conversion and Storage MaterialsCollege of Chemistryand Key Laboratory of Radiopharmaceuticals, Ministry of EducationBeijing Normal UniversityBeijing100875P. R. China
| | - Yu‐Juan Ma
- Beijing Key Laboratory of Energy Conversion and Storage MaterialsCollege of Chemistryand Key Laboratory of Radiopharmaceuticals, Ministry of EducationBeijing Normal UniversityBeijing100875P. R. China
| | - Dongpeng Yan
- Beijing Key Laboratory of Energy Conversion and Storage MaterialsCollege of Chemistryand Key Laboratory of Radiopharmaceuticals, Ministry of EducationBeijing Normal UniversityBeijing100875P. R. China
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18
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Shi H, Niu Z, Wang H, Ye W, Xi K, Huang X, Wang H, Liu Y, Lin H, Shi H, An Z. Endowing matrix-free carbon dots with color-tunable ultralong phosphorescence by self-doping. Chem Sci 2022; 13:4406-4412. [PMID: 35509457 PMCID: PMC9006900 DOI: 10.1039/d2sc01167k] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Accepted: 03/15/2022] [Indexed: 01/17/2023] Open
Abstract
Color-tunable ultralong phosphorescence is urgently desired in optoelectronic applications. Herein, we report a new type of full-color-tunable ultralong phosphorescence carbon dots (CDs) without matrix-assistance by a self-doping method under ambient conditions. The phosphorescence color can be rationally tuned from blue to red by changing the excitation wavelength from 310 to 440 nm. The CDs exhibit an ultralong lifetime of up to 1052.23 ms at 484 nm. From the experimental data, we speculate that the excitation-dependent multi-color phosphorescence is attributed to the presence of multiple emitting centers related to carbonyl units. Given the unique color-tunability of CDs, we demonstrate their potential applications in information encryption, light detection ranging from UV to visible light and LED devices. This finding not only takes a step towards the fundamental design of full-color emissive materials, but also provides a broader scope for the applications of phosphorescent materials.
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Affiliation(s)
- Huixian Shi
- College of Materials Science and Engineering, Taiyuan University of Technology Taiyuan 030024 China
| | - Zuoji Niu
- College of Materials Science and Engineering, Taiyuan University of Technology Taiyuan 030024 China
| | - He Wang
- Key Laboratory of Flexible Electronics (KLoFE), Institute of Advanced Materials (IAM), Nanjing Tech University 30 South Puzhu Road Nanjing 211800 China
| | - Wenpeng Ye
- Key Laboratory of Flexible Electronics (KLoFE), Institute of Advanced Materials (IAM), Nanjing Tech University 30 South Puzhu Road Nanjing 211800 China
| | - Kai Xi
- School of Chemistry and Chemical Engineering, Nanjing University Nanjing 210023 China
| | - Xiao Huang
- Key Laboratory of Flexible Electronics (KLoFE), Institute of Advanced Materials (IAM), Nanjing Tech University 30 South Puzhu Road Nanjing 211800 China
| | - Hongliang Wang
- Collaborative Innovation Center for Molecular Imaging of Precision Medicine, Shanxi Medical University Taiyuan 030001 China
| | - Yanfeng Liu
- School of Chemistry and Chemical Engineering, Nanjing University Nanjing 210023 China
| | - Hengwei Lin
- International Joint Research Center for Photo-responsive Molecules and Materials, School of Chemical and Material Engineering, Jiangnan University Wuxi 214122 China
| | - Huifang Shi
- Key Laboratory of Flexible Electronics (KLoFE), Institute of Advanced Materials (IAM), Nanjing Tech University 30 South Puzhu Road Nanjing 211800 China
| | - Zhongfu An
- Key Laboratory of Flexible Electronics (KLoFE), Institute of Advanced Materials (IAM), Nanjing Tech University 30 South Puzhu Road Nanjing 211800 China
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19
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Chen J, Chen X, Cao L, Deng H, Chi Z, Liu B. Synergistic Generation and Accumulation of Triplet Excitons for Efficient Ultralong Organic Phosphorescence. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202200343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Junru Chen
- National University of Singapore Department of Chemical and Biomolecular Engineering SINGAPORE
| | - Xiaojie Chen
- Sun Yat-Sen University School of Chemistry and Chemical Engineering CHINA
| | - Lei Cao
- National University of Singapore Chemical and Biomolecular Engineering SINGAPORE
| | - Huangjun Deng
- Sun Yat-Sen University School of Chemistry and Chemical Engineering CHINA
| | - Zhenguo Chi
- Sun Yat-Sen University School of Chemistry and Chemical Engineering CHINA
| | - Bin Liu
- National University of Singapore Department of Chemical and Biomolecular Engineering 4 Engineering Drive 4National University of Singapore 117585 Singapore SINGAPORE
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20
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Li F, Wang M, Liu S, Zhao Q. Halide-containing organic persistent luminescent materials for environmental sensing applications. Chem Sci 2022; 13:2184-2201. [PMID: 35310490 PMCID: PMC8864697 DOI: 10.1039/d1sc06586f] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Accepted: 11/26/2021] [Indexed: 11/22/2022] Open
Abstract
Great progress has been made in the development of various organic persistent luminescent (OPL) materials in the past few years, and increasing attention has been paid to their interesting applications in environmental sensing due to their long emission lifetimes and high sensitivity. Especially, the introduction of different halogen elements facilitates highly efficient OPL emission with distinct lifetimes and colours. In this review, we summarize the current status of the halide-containing OPL materials for environmental sensing applications. To begin with, the photophysical processes and luminescence mechanisms of OPL materials are expounded in detail to better understand the relationship among molecular structures, OPL properties, and sensing applications. Then, representative halide-containing material systems, such as small molecules, polymers, and doping systems, are summarized with their interesting applications in sensing temperature, oxygen, H2O, UV light and organic solvents. In addition, several challenges and future research opportunities in this field are discussed. This review aims to provide some reasonable guidance on the material design of OPL sensors and their practical applications, and tries to provide a new perspective on the application direction of organic optoelectronics. This review presents a summary of the molecular design of halide-containing organic persistent luminescent materials, and their environmental sensing applications.![]()
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Affiliation(s)
- Feiyang Li
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM) & Institute of Flexible Electronics (Future Technology), Nanjing University of Posts and Telecommunications (NUPT) 9 Wenyuan Road Nanjing 210023 Jiangsu China
| | - Mengzhu Wang
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM) & Institute of Flexible Electronics (Future Technology), Nanjing University of Posts and Telecommunications (NUPT) 9 Wenyuan Road Nanjing 210023 Jiangsu China
| | - Shujuan Liu
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM) & Institute of Flexible Electronics (Future Technology), Nanjing University of Posts and Telecommunications (NUPT) 9 Wenyuan Road Nanjing 210023 Jiangsu China
| | - Qiang Zhao
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM) & Institute of Flexible Electronics (Future Technology), Nanjing University of Posts and Telecommunications (NUPT) 9 Wenyuan Road Nanjing 210023 Jiangsu China .,College of Electronic and Optical Engineering, College of Flexible Electronics (Future Technology), Jiangsu Province Engineering Research Center for Fabrication and Application of Special Optical Fiber Materials and Devices, Nanjing University of Posts and Telecommunications (NUPT) 9 Wenyuan Road Nanjing 210023 Jiangsu China
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Liu H, Zhang K, Gao PF, Luo JH, Jiang YY, Zhou MS, Li T, Zhu XL, Fu HR. Realization of Single-Phase White-Light-Emitting Materials with Time-Evolution Ultralong Room-Temperature Phosphorescence by Coordination Assemblies. Inorg Chem 2022; 61:1636-1643. [PMID: 34995446 DOI: 10.1021/acs.inorgchem.1c03461] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Two Cd-based supramolecular coordination polymers, [Cd3(CzIP)3(DMF)2] (1) and [Cd2(CzIP)2(DMF)4] (2), were synthesized by using 5-(carbazol-9-yl) isophthalate (CzIP) as ligands. These two compounds exhibit multiple luminescence emissions; apart from fluorescence, time- and temperature-dependent ultralong phosphorescence (RTP) were also achieved under room conditions. Significantly, compound 1 has a long-lived afterglow of 0.93 s at 545 nm under ambient conditions. Compound 2 shows nearly pure white-light emission with CIE coordinates of (0.33, 0.33) via the dual emission of fluorescence and phosphorescence. It has come to our attention that it is the first example of a luminescent coordination polymer with single-phase white-light emission and color-evolution RTP. In addition, the long-lived RTP materials can be used in time-dependent anticounterfeiting and white-light-emitting diodes. Experimental and singlet and triplet state calculations indicate that both C-H···π interaction and inter- and intramolecular charge transfer interactions could be beneficial to the emission of ultralong RTP.
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Affiliation(s)
- Hui Liu
- College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang 471934, P. R. China.,College of Materials and Chemical Engineering, China Three Gorges University, Yichang 443002, China
| | - Kun Zhang
- College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang 471934, P. R. China.,College of Materials and Chemical Engineering, China Three Gorges University, Yichang 443002, China
| | - Peng-Fu Gao
- College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang 471934, P. R. China.,College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo 454003, P. R. China
| | - Jia-Hua Luo
- College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang 471934, P. R. China
| | - Yu-Ying Jiang
- College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang 471934, P. R. China.,College of Materials and Chemical Engineering, China Three Gorges University, Yichang 443002, China
| | - Meng-Shu Zhou
- College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang 471934, P. R. China.,College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo 454003, P. R. China
| | - Ting Li
- College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang 471934, P. R. China
| | - Xue-Li Zhu
- College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang 471934, P. R. China
| | - Hong-Ru Fu
- College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang 471934, P. R. China.,College of Materials and Chemical Engineering, China Three Gorges University, Yichang 443002, China
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22
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Yunle L, Yanjie W, Liangliang Z, Bingbing Y. Progress in Synthesis and Aggregation-Induced Phosphorescence of Persulfurated Arene Compounds. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202204063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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23
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Yang M, Wang P, Chen XL, Lu CZ. Highly efficient ultralong organic phosphorescence induced by lone pair repulsions and noncovalent interactions. NEW J CHEM 2022. [DOI: 10.1039/d2nj02414d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Ultralong organic phosphorescence with phosphorescence quantum efficiency of 19.0% and lifetime of 253 ms stems from a physical dimer, owing to the lone pair repulsions and noncovalent interactions.
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Affiliation(s)
- Mingxue Yang
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, China
- Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials, Xiamen Institute of Rare Earth Materials, Haixi Institutes, Chinese Academy of Sciences, Xiamen, Fujian 361021, P. R. China
| | - Pei Wang
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, China
- Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials, Xiamen Institute of Rare Earth Materials, Haixi Institutes, Chinese Academy of Sciences, Xiamen, Fujian 361021, P. R. China
| | - Xu-Lin Chen
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, China
- Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials, Xiamen Institute of Rare Earth Materials, Haixi Institutes, Chinese Academy of Sciences, Xiamen, Fujian 361021, P. R. China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350108, P. R. China
| | - Can-Zhong Lu
- CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, China
- Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials, Xiamen Institute of Rare Earth Materials, Haixi Institutes, Chinese Academy of Sciences, Xiamen, Fujian 361021, P. R. China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350108, P. R. China
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24
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Heavy main group element containing organometallic phosphorescent materials. RESULTS IN CHEMISTRY 2022. [DOI: 10.1016/j.rechem.2022.100399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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25
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Cao J, Zhang M, Singh M, An Z, Ji L, Shi H, Jiang Y. Highly Efficient Heavy Atom Free Room Temperature Phosphorescence by Host-Guest Doping. Front Chem 2021; 9:781294. [PMID: 34888296 PMCID: PMC8649652 DOI: 10.3389/fchem.2021.781294] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 11/01/2021] [Indexed: 12/15/2022] Open
Abstract
Recently, there has been remarkable progress of the host-guest doped pure organic room-temperature phosphorescence (RTP) materials. However, it remains a great challenge to develop highly efficient host-guest doping systems. In this study, we have successfully developed a heavy atom free pure organic molecular doped system (benzophenone-thianthrene, respectively) with efficient RTP through a simple host-guest doping strategy. Furthermore, by optimizing the doping ratios, the host-guest material with a molar ratio of 100:1 presented an efficient RTP emission with 46% quantum efficiency and a long lifetime of up to 9.17 ms under ambient conditions. This work will provide an effective way to design new organic doping systems with RTP.
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Affiliation(s)
- Jinzhu Cao
- Institute of Laser Engineering, Beijing University of Technology (BJUT), Beijing, China.,China Electronics Standardization Institute, Beijing, China
| | - Meng Zhang
- Key Laboratory of Flexible Electronics (KLOFE), Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing, China
| | - Manjeet Singh
- Key Laboratory of Flexible Electronics (KLOFE), Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing, China
| | - Zhongfu An
- Key Laboratory of Flexible Electronics (KLOFE), Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing, China
| | - Lingfei Ji
- Institute of Laser Engineering, Beijing University of Technology (BJUT), Beijing, China
| | - Huifang Shi
- Key Laboratory of Flexible Electronics (KLOFE), Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing, China
| | - Yijian Jiang
- Institute of Laser Engineering, Beijing University of Technology (BJUT), Beijing, China
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26
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Yue L, Yuan S, Zhang Y, Wang Y, Sun Q, Zhang H, Xue S, Yang W. Gaining New Insights into Trace Guest Doping Role in Manipulating Organic Crystal Phosphorescence. J Phys Chem Lett 2021; 12:11616-11621. [PMID: 34813339 DOI: 10.1021/acs.jpclett.1c03482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Trace guest doping systems often show better room temperature phosphorescence (RTP), but trace guest doping role and mechanism are not recognized well. Here we cocrystallize commercial (CCZ) and self-made (LCZ) carbazole derivatives and verify that 0.2‰ isomer doping can afford the deserved crystal RTP, but further increasing the isomer amount hardly improves RTP. Isomer doping does not affect crystal stacking modes and intermolecular interactions and is inefficient in monomolecular and amorphous states. LCZ derivatives are intrinsically phosphorescent, but crystallization itself cannot effectively inhibit thermal deactivation, and isomer doping restricts nonradiative relaxation and reduces the energy level of the triplet emissive state via space action at a distance rather than currently described adjacent intermolecular interactions. This work has updated some existing views and represented an important conceptual advance in a fresh understanding of trace guest doping RTP systems.
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Affiliation(s)
- Lingtai Yue
- Key Laboratory of Rubber-Plastics of Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, School of Polymer Science & Engineering, Qingdao University of Science &Technology, Qingdao 266042, China
| | - Shou Yuan
- Key Laboratory of Rubber-Plastics of Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, School of Polymer Science & Engineering, Qingdao University of Science &Technology, Qingdao 266042, China
| | - Yuefa Zhang
- Key Laboratory of Rubber-Plastics of Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, School of Polymer Science & Engineering, Qingdao University of Science &Technology, Qingdao 266042, China
| | - Yaguang Wang
- Key Laboratory of Rubber-Plastics of Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, School of Polymer Science & Engineering, Qingdao University of Science &Technology, Qingdao 266042, China
| | - Qikun Sun
- Key Laboratory of Rubber-Plastics of Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, School of Polymer Science & Engineering, Qingdao University of Science &Technology, Qingdao 266042, China
| | - Haichang Zhang
- Key Laboratory of Rubber-Plastics of Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, School of Polymer Science & Engineering, Qingdao University of Science &Technology, Qingdao 266042, China
| | - Shanfeng Xue
- Key Laboratory of Rubber-Plastics of Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, School of Polymer Science & Engineering, Qingdao University of Science &Technology, Qingdao 266042, China
| | - Wenjun Yang
- Key Laboratory of Rubber-Plastics of Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, School of Polymer Science & Engineering, Qingdao University of Science &Technology, Qingdao 266042, China
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27
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Yu J, Ma H, Huang W, Liang Z, Zhou K, Lv A, Li XG, He Z. Purely Organic Room-Temperature Phosphorescence Endowing Fast Intersystem Crossing from Through-Space Spin-Orbit Coupling. JACS AU 2021; 1:1694-1699. [PMID: 34723272 PMCID: PMC8549040 DOI: 10.1021/jacsau.1c00290] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Indexed: 05/25/2023]
Abstract
Purely organic room-temperature phosphorescence endowing very fast intersystem crossing from through-space systems has not been well investigated. Here we report three space-confined bridged phosphors, where phenothiazine is linked with dibenzothiophene, dibenzofuran, and carbazole by a 9,9-dimethylxanthene bridge. Nearly pure phosphorescence is observed in the crystals at room temperature. Interestingly, phosphorescence comes solely from the phenothiazine segment. Experimental results indicate that bridged counterparts of dibenzothiophene, dibenzofuran, and carbazole contribute as close-lying triplet states with locally excited (LE) character. The through-space spin-orbit coupling principle is proposed in these bridged systems, as their 1LE and 3LE states have intrinsic spatial overlap, degenerate energy levels, and tilting face-to-face alignment. The resulting effective through-space spin-orbit coupling leads to efficient intersystem crossing a with rate constant as high as 109 s-1 and an overwhelming triplet decay channel of the singlet excited state.
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Affiliation(s)
- Jie Yu
- School
of Science, Harbin Institute of Technology, Shenzhen, Guangdong518055, People’s Republic
of China
| | - Huili Ma
- Key
Laboratory of Flexible Electronics & Institute of Advanced Materials
Jiangsu National Synergistic Innovation Center for Advanced Materials, Nanjing Tech University, 30 South Puzhu Road, Nanjing 211800, People’s Republic
of China
| | - Wenbin Huang
- School
of Science, Harbin Institute of Technology, Shenzhen, Guangdong518055, People’s Republic
of China
| | - Zhiwei Liang
- School
of Science, Harbin Institute of Technology, Shenzhen, Guangdong518055, People’s Republic
of China
| | - Kang Zhou
- Hoffmann
Institute of Advanced Materials, Shenzhen
Polytechnic, Shenzhen, Guangdong 518055, People’s Republic of China
| | - Anqi Lv
- Key
Laboratory of Flexible Electronics & Institute of Advanced Materials
Jiangsu National Synergistic Innovation Center for Advanced Materials, Nanjing Tech University, 30 South Puzhu Road, Nanjing 211800, People’s Republic
of China
| | - Xin-Gui Li
- State Key
Laboratory of Pollution Control and Resource Reuse, and Shanghai Institute
of Pollution Control and Ecological Security, College of Environmental
Science and Engineering, Tongji University, 1239 SiPing Road, Shanghai 200092, People’s Republic of China
| | - Zikai He
- School
of Science, Harbin Institute of Technology, Shenzhen, Guangdong518055, People’s Republic
of China
- School
of Chemical Engineering and Technology, Harbin Institute of Technology, Harbin, Heilongjiang 150001, People’s Republic of China
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28
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Li M, Cai X, Chen Z, Liu K, Qiu W, Xie W, Wang L, Su SJ. Boosting purely organic room-temperature phosphorescence performance through a host-guest strategy. Chem Sci 2021; 12:13580-13587. [PMID: 34777778 PMCID: PMC8528018 DOI: 10.1039/d1sc03420k] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Accepted: 09/19/2021] [Indexed: 12/18/2022] Open
Abstract
The host-guest doping system has aroused great attention due to its promising advantage in stimulating bright and persistent room-temperature phosphorescence (RTP). Currently, exploration of the explicit structure-property relationship of bicomponent systems has encountered obstacles. In this work, two sets of heterocyclic isomers showing promising RTP emissions in the solid state were designed and synthesized. By encapsulating these phosphors into a robust phosphorus-containing host, several host-guest cocrystalline systems were further developed, achieving highly efficient RTP performance with a phosphorescence quantum efficiency (ϕ P) of ∼26% and lifetime (τ P) of ∼32 ms. Detailed photophysical characterization and molecular dynamics (MD) simulation were conducted to reveal the structure-property relationships in such bicomponent systems. It was verified that other than restricting the molecular configuration, the host matrix could also dilute the guest to avoid concentration quenching and provide an external heavy atom effect for the population of triplet excitons, thus boosting the RTP performance of the guest.
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Affiliation(s)
- Mengke Li
- State Key Laboratory of Luminescent Materials and Devices and Institute of Polymer Optoelectronic Materials and Devices, South China University of Technology Guangzhou 510640 P. R. China
| | - Xinyi Cai
- State Key Laboratory of Luminescent Materials and Devices and Institute of Polymer Optoelectronic Materials and Devices, South China University of Technology Guangzhou 510640 P. R. China
| | - Zijian Chen
- State Key Laboratory of Luminescent Materials and Devices and Institute of Polymer Optoelectronic Materials and Devices, South China University of Technology Guangzhou 510640 P. R. China
| | - Kunkun Liu
- State Key Laboratory of Luminescent Materials and Devices and Institute of Polymer Optoelectronic Materials and Devices, South China University of Technology Guangzhou 510640 P. R. China
- South China Institute of Collaborative Innovation Dongguan 523808 China
| | - Weidong Qiu
- State Key Laboratory of Luminescent Materials and Devices and Institute of Polymer Optoelectronic Materials and Devices, South China University of Technology Guangzhou 510640 P. R. China
| | - Wentao Xie
- State Key Laboratory of Luminescent Materials and Devices and Institute of Polymer Optoelectronic Materials and Devices, South China University of Technology Guangzhou 510640 P. R. China
| | - Liangying Wang
- State Key Laboratory of Luminescent Materials and Devices and Institute of Polymer Optoelectronic Materials and Devices, South China University of Technology Guangzhou 510640 P. R. China
| | - Shi-Jian Su
- State Key Laboratory of Luminescent Materials and Devices and Institute of Polymer Optoelectronic Materials and Devices, South China University of Technology Guangzhou 510640 P. R. China
- South China Institute of Collaborative Innovation Dongguan 523808 China
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29
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Chen R, Guan Y, Wang H, Zhu Y, Tan X, Wang P, Wang X, Fan X, Xie HL. Organic Persistent Luminescent Materials: Ultralong Room-Temperature Phosphorescence and Multicolor-Tunable Afterglow. ACS APPLIED MATERIALS & INTERFACES 2021; 13:41131-41139. [PMID: 34412468 DOI: 10.1021/acsami.1c12249] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Organic persistent luminescent materials have attracted special attention due to their significant applications in optoelectronics, sensors, and security technology areas. In this work, a series of organic compounds (1-4) with twisted electron donor-acceptor structures are successfully designed and synthesized, and then the resultant compounds are dissolved in methyl methacrylate (MMA), and afterward, in situ polymerization realizes single-molecular organic room-temperature phosphorescent (RTP) materials (P1-P4). All RTP materials show long lifetime, especially P2 exhibits ultralong lifetime of 1.51 s. When the compounds are grown into single crystals, multicolor-tunable afterglow is obtained at different delay times due to the dual emission of phosphorescence and delayed fluorescence, which is promising to be applied in high-level anticounterfeiting.
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Affiliation(s)
- Renjie Chen
- Key Lab of Environment-friendly Chemistry and Application in Ministry of Education, and Key Laboratory of Advanced Functional Polymer Materials of Colleges, Universities of Hunan Province and College of Chemistry, Xiangtan University, Xiangtan, Hunan 411105, China
| | - Yan Guan
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Center for Soft Matter Science and Engineering, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Hailong Wang
- Key Lab of Environment-friendly Chemistry and Application in Ministry of Education, and Key Laboratory of Advanced Functional Polymer Materials of Colleges, Universities of Hunan Province and College of Chemistry, Xiangtan University, Xiangtan, Hunan 411105, China
| | - Yan Zhu
- Key Lab of Environment-friendly Chemistry and Application in Ministry of Education, and Key Laboratory of Advanced Functional Polymer Materials of Colleges, Universities of Hunan Province and College of Chemistry, Xiangtan University, Xiangtan, Hunan 411105, China
| | - Xin Tan
- Key Lab of Environment-friendly Chemistry and Application in Ministry of Education, and Key Laboratory of Advanced Functional Polymer Materials of Colleges, Universities of Hunan Province and College of Chemistry, Xiangtan University, Xiangtan, Hunan 411105, China
| | - Ping Wang
- Key Lab of Environment-friendly Chemistry and Application in Ministry of Education, and Key Laboratory of Advanced Functional Polymer Materials of Colleges, Universities of Hunan Province and College of Chemistry, Xiangtan University, Xiangtan, Hunan 411105, China
| | - Xueye Wang
- Key Lab of Environment-friendly Chemistry and Application in Ministry of Education, and Key Laboratory of Advanced Functional Polymer Materials of Colleges, Universities of Hunan Province and College of Chemistry, Xiangtan University, Xiangtan, Hunan 411105, China
| | - Xinghe Fan
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Center for Soft Matter Science and Engineering, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - He-Lou Xie
- Key Lab of Environment-friendly Chemistry and Application in Ministry of Education, and Key Laboratory of Advanced Functional Polymer Materials of Colleges, Universities of Hunan Province and College of Chemistry, Xiangtan University, Xiangtan, Hunan 411105, China
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30
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Jia J, Lu W, Gao Y, Li L, Dong C, Shuang S. Recent advances in synthesis and applications of room temperature phosphorescence carbon dots. Talanta 2021; 231:122350. [PMID: 33965020 DOI: 10.1016/j.talanta.2021.122350] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 03/13/2021] [Accepted: 03/17/2021] [Indexed: 10/21/2022]
Abstract
Recently, room temperature phosphorescence (RTP) feature of carbon dots (CDs) has gradually diverted researchers' attention from fluorescence and sparks new research boom due to its ultra-long luminescence lifetime and large Stokes shift. Some attempts have been made to construct CDs-based RTP materials, and had seen some important progress. However, few review articles were published to systematically summarize them. Herein, we summarize the recent synthesis advances of the RTP CDs, mainly focusing on matrix-assisted method and self-protection method. Different construction methodologies lead to different RTP properties and luminescence mechanisms. Based on this fact, we discuss the correlation between them and further summarize their potential applications in sensing, light-emitting diodes, anti-counterfeiting, and information protection filed. Finally, the currently existing problems and development perspectives of CDs-based RTP materials was proposed.
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Affiliation(s)
- Jing Jia
- School of Chemistry and Chemical Engineering, and Institute of Environmental Science, Shanxi University, Taiyuan, 030006, China
| | - Wenjing Lu
- School of Chemistry and Chemical Engineering, and Institute of Environmental Science, Shanxi University, Taiyuan, 030006, China
| | - Yifang Gao
- College of Environmental Science and Engineering, Taiyuan University of Technology, Taiyuan, 030006, China
| | - Lin Li
- School of Chemistry and Chemical Engineering, and Institute of Environmental Science, Shanxi University, Taiyuan, 030006, China
| | - Chuan Dong
- School of Chemistry and Chemical Engineering, and Institute of Environmental Science, Shanxi University, Taiyuan, 030006, China
| | - Shaomin Shuang
- School of Chemistry and Chemical Engineering, and Institute of Environmental Science, Shanxi University, Taiyuan, 030006, China.
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31
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Liu X, Pan Y, Lei Y, Liu N, Dai W, Liu M, Cai Z, Wu H, Huang X, Dong Y. Influence of Guest/Host Morphology on Room Temperature Phosphorescence Properties of Pure Organic Doped Systems. J Phys Chem Lett 2021; 12:7357-7364. [PMID: 34324348 DOI: 10.1021/acs.jpclett.1c01893] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Guest/host phosphorescence materials have attracted much attention; traditionally, researchers have focused on the influence of the electronic properties and energy levels of the molecules on the phosphorescence activities. However, the effects of the morphology on the phosphorescence properties are ignored. Herein, three isoquinoline guests with different aliphatic rings and three hosts are selected to construct guest/host materials. Experimental results confirm that the guests are dispersed in the host in the form of clusters. More importantly, the morphologies of the guest/host directly affect the phosphorescence properties. In these systems, the guests have strong intermolecular interactions, which are beneficial to stabilize the triplet excitons; meanwhile, the hosts should have weak intermolecular interactions with easily changed morphology to accept the guest clusters, which synergistically ensure that the doped materials have excellent RTP properties. This is the first work focusing on the effect of molecular morphology on the phosphorescence characteristics of guest/host systems.
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Affiliation(s)
- Xiaoqing Liu
- School of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, P. R. China
| | - Yanyan Pan
- School of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, P. R. China
| | - Yunxiang Lei
- School of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, P. R. China
| | - Nannan Liu
- School of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, P. R. China
| | - Wenbo Dai
- School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 10081, P. R. China
| | - Miaochang Liu
- School of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, P. R. China
| | - Zhengxu Cai
- School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 10081, P. R. China
| | - Huayue Wu
- School of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, P. R. China
| | - Xiaobo Huang
- School of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, P. R. China
| | - Yuping Dong
- School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 10081, P. R. China
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32
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Jiang W, Liu L, Wu Y, Zhang P, Li F, Liu J, Zhao J, Huo F, Zhao Q, Huang W. A green-synthesized phosphorescent carbon dot composite for multilevel anti-counterfeiting. NANOSCALE ADVANCES 2021; 3:4536-4540. [PMID: 36133459 PMCID: PMC9419446 DOI: 10.1039/d1na00252j] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Accepted: 06/14/2021] [Indexed: 05/19/2023]
Abstract
Room temperature phosphorescent (RTP) materials are rising and gaining considerable attention due to their special photo-capture-release ability. Herein, a kind of environmentally friendly RTP composite was devised by microwaving a mixture of carbon dots, boric acid, and urea, in the presence of covalent bonds and hydrogen bonds between each of the components. The resultant RTP material showed ultra-long phosphorescence lifetime up to 1005.6 ms with an outstanding afterglow as long as 9.0 s. Moreover, this afterglow feature with moisture sensitive behavior was explored to achieve multilevel anti-counterfeiting, with the function of complex decryption of encrypted secret information under multiple stimuli. Our results provide a green strategy for scalable synthesis of carbon-based RTP materials, and extend their application scope to high level information security.
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Affiliation(s)
- Wenjie Jiang
- Key Laboratory of Flexible Electronics (KLOFE), Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech) 30 South Puzhu Road Nanjing 211816 China
| | - Lan Liu
- Key Laboratory of Flexible Electronics (KLOFE), Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech) 30 South Puzhu Road Nanjing 211816 China
| | - Yueyue Wu
- Key Laboratory of Flexible Electronics (KLOFE), Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech) 30 South Puzhu Road Nanjing 211816 China
| | - Peng Zhang
- Key Laboratory of Flexible Electronics (KLOFE), Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech) 30 South Puzhu Road Nanjing 211816 China
| | - Feiyang Li
- Key Laboratory for Organic Electronics and Information Displays, Institute of Advanced Materials (IAM), SICAM, Nanjing University of Posts & Telecommunications (NUPT) 9 Wenyuan Road Nanjing 210023 China
| | - Juqing Liu
- Key Laboratory of Flexible Electronics (KLOFE), Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech) 30 South Puzhu Road Nanjing 211816 China
| | - Jianfeng Zhao
- Key Laboratory of Flexible Electronics (KLOFE), Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech) 30 South Puzhu Road Nanjing 211816 China
| | - Fengwei Huo
- Key Laboratory of Flexible Electronics (KLOFE), Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech) 30 South Puzhu Road Nanjing 211816 China
| | - Qiang Zhao
- Key Laboratory for Organic Electronics and Information Displays, Institute of Advanced Materials (IAM), SICAM, Nanjing University of Posts & Telecommunications (NUPT) 9 Wenyuan Road Nanjing 210023 China
| | - Wei Huang
- Key Laboratory of Flexible Electronics (KLOFE), Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech) 30 South Puzhu Road Nanjing 211816 China
- Key Laboratory for Organic Electronics and Information Displays, Institute of Advanced Materials (IAM), SICAM, Nanjing University of Posts & Telecommunications (NUPT) 9 Wenyuan Road Nanjing 210023 China
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33
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Sun X, Gong H, Zhang Y, Tian Y, Zhang H, Bai F, Wang J, Zhong K, Kong C. Investigating phosphorescence capability of halogen-substituted metal-free organic molecules: A theoretical study. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 255:119642. [PMID: 33794424 DOI: 10.1016/j.saa.2021.119642] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 02/19/2021] [Accepted: 02/24/2021] [Indexed: 06/12/2023]
Abstract
The radiative and non-radiative decay processes of five compounds are investigated through a comprehensive computational approach, for the aim of investigating the effect of different halogen substituents to the phosphorescent emission. Their optimal configurations at the ground (S0) and lowest triplet excited (T1) states are obtained and the calculated phosphorescent emission spectra are comparable with the experimental values. For 1,4-di(9H-carbazol-9-yl)benzene (PDCz), the electronic transition is between the highest occupied molecular orbital (HOMO) and the lowest unoccupied molecular orbital (LUMO), while for the four halides, the electronic transitions are attributed to several molecular orbitals. According to calculations, 9,9'-(2,5-diiodo-1,4-phenylene)bis(9H-carbazole) (PDICz) possesses the largest radiative decay rate constant (kr) and non-radiative decay rate constant (knr), which can be attributed to the strong spin-orbital coupling from the heavy iodine atom. However, the phosphorescent quantum efficiency (Φ) of PDICz is lower than that of 9,9'-(2,5-dibromo-1,4-phenylene)bis(9H-carbazole) (PDBCz), implying that a comprehensive consideration is necessary. Furthermore, by analyzing the vibrational mode, we have confirmed that the reorganization energies are also influenced by the different halogen atoms. While the dominated factor that determines the kr and knr comes from the spin-orbital coupling. We expect that our research findings will be beneficial to the newly designed organic phosphorescent materials in the future.
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Affiliation(s)
- Xiaofei Sun
- College of Food Science and Technology, College of Chemistry and Chemical Engineering, Bohai University, Food Safety Key Lab of Liaoning Province, National & Local Joint Engineering Research Center of Storage, Processing and Safety Control Technology for Fresh Agricultural and Aquatic Products, Jinzhou 121013, China; International Joint Research Laboratory of Nano-Micro Architecture Chemistry, Institute of Theoretical Chemistry, College of Chemistry, Jilin University, Changchun 130023, China
| | - Huihui Gong
- College of Food Science and Technology, College of Chemistry and Chemical Engineering, Bohai University, Food Safety Key Lab of Liaoning Province, National & Local Joint Engineering Research Center of Storage, Processing and Safety Control Technology for Fresh Agricultural and Aquatic Products, Jinzhou 121013, China
| | - Yuxi Zhang
- College of Food Science and Technology, College of Chemistry and Chemical Engineering, Bohai University, Food Safety Key Lab of Liaoning Province, National & Local Joint Engineering Research Center of Storage, Processing and Safety Control Technology for Fresh Agricultural and Aquatic Products, Jinzhou 121013, China
| | - Yuxin Tian
- International Joint Research Laboratory of Nano-Micro Architecture Chemistry, Institute of Theoretical Chemistry, College of Chemistry, Jilin University, Changchun 130023, China
| | - Hongxing Zhang
- International Joint Research Laboratory of Nano-Micro Architecture Chemistry, Institute of Theoretical Chemistry, College of Chemistry, Jilin University, Changchun 130023, China
| | - Fuquan Bai
- International Joint Research Laboratory of Nano-Micro Architecture Chemistry, Institute of Theoretical Chemistry, College of Chemistry, Jilin University, Changchun 130023, China
| | - Jian Wang
- International Joint Research Laboratory of Nano-Micro Architecture Chemistry, Institute of Theoretical Chemistry, College of Chemistry, Jilin University, Changchun 130023, China
| | - Keli Zhong
- College of Food Science and Technology, College of Chemistry and Chemical Engineering, Bohai University, Food Safety Key Lab of Liaoning Province, National & Local Joint Engineering Research Center of Storage, Processing and Safety Control Technology for Fresh Agricultural and Aquatic Products, Jinzhou 121013, China.
| | - Chuipeng Kong
- International Joint Research Laboratory of Nano-Micro Architecture Chemistry, Institute of Theoretical Chemistry, College of Chemistry, Jilin University, Changchun 130023, China.
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Liu K, Huang K, Lv A, Ye W, Yang Y, Shen K, Zhi J, Wang H, Zhang R, Wang J, Ma H, Shi H, Yao W, An Z, Huang W. Tunable microstructures of ultralong organic phosphorescence materials. Chem Commun (Camb) 2021; 57:7276-7279. [PMID: 34196639 DOI: 10.1039/d1cc01563j] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Three kinds of microstructures were prepared for one organic phosphor based on a solution-concentration-controlled self-assembly strategy. These microstructures show different phosphorescence efficiencies, which holds considerable promise for the miniaturized optical device applications of ultralong organic phosphorescence materials.
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Affiliation(s)
- Kun Liu
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, China.
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35
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Guo Q, Zhou S, Li X, Tao L, Li M, Su SJ, Wan D, Li J. Ultralong room-temperature phosphorescence remarkably weakened by halogenation-induced molecular packing in hexaphenylmelamine derivatives. Chem Commun (Camb) 2021; 57:6177-6180. [PMID: 34047730 DOI: 10.1039/d1cc01533h] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
A series of pure organic halogenated hexaphenylmelamine (HPM) derivatives featuring remarkably weakened ultralong room-temperature phosphorescence (RTP) were meticulously investigated. As the p-substituted atoms of these HPM derivatives sequentially changed from H to F, Cl and Br, both the RTP lifetimes and efficiencies dramatically decreased from 608 ms with 13.4% (HPM-H) to 337 ms with 5.3% (HPM-F), 99 ms with 1.3% (HPM-Cl), and 2.8 ms with undetectable efficiency (HPM-Br), respectively. Most notably, the severely weakened efficiencies are fundamentally different from the trends of the effect of halogenation on phosphorescence properties previously reported. Coupled with experimental results and theoretical simulations, the subtle change of molecular packing induced by halogenation should be responsible for the distinctive RTP properties. This finding not only provides a unique halogen-involved RTP phenomenon, but also offers a very special perspective to understand the effect of halogenation on phosphorescence.
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Affiliation(s)
- Qiang Guo
- College of Optoelectronic Engineering, Chengdu University of Information Technology, Chengdu 610225, China.
| | - Shiyi Zhou
- College of Optoelectronic Engineering, Chengdu University of Information Technology, Chengdu 610225, China.
| | - Xiaoyu Li
- Southwest University of Science and Technology, Mianyang 621010, China
| | - Li Tao
- College of Optoelectronic Engineering, Chengdu University of Information Technology, Chengdu 610225, China.
| | - Mengke Li
- State Key Laboratory of Luminescent Materials and Devices and Institute of Polymer Optoelectronic Materials and Devices, South China University of Technology, Guangzhou 510640, China
| | - Shi-Jian Su
- State Key Laboratory of Luminescent Materials and Devices and Institute of Polymer Optoelectronic Materials and Devices, South China University of Technology, Guangzhou 510640, China
| | - Danyang Wan
- Optical and Electrical Material Center, Xi'an Modern Chemistry Research Institute, Xi'an 710065, China
| | - Jie Li
- College of Optoelectronic Engineering, Chengdu University of Information Technology, Chengdu 610225, China.
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36
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Thomas H, Fries F, Gmelch M, Bärschneider T, Kroll M, Vavaleskou T, Reineke S. Purely Organic Microparticles Showing Ultralong Room Temperature Phosphorescence. ACS OMEGA 2021; 6:13087-13093. [PMID: 34056458 PMCID: PMC8158833 DOI: 10.1021/acsomega.1c00785] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Accepted: 04/09/2021] [Indexed: 06/12/2023]
Abstract
Currently, organic phosphorescent particles are heavily used in sensing and imaging. Up to now, most of these particles contain poisonous and/or expensive metal complexes. Environmentally friendly systems are therefore highly desired. A purely amorphous system consisting of poly(methyl methacrylate) particles with incorporated N,N,N',N'-tetrakis(4-carboxyphenyl)benzidine emitter molecules is presented in this work. Single particles with sizes between 400 and 840 nm show-depending on the environment-bright fluorescence and phosphorescence. The latter is observed when oxygen is not in the proximity of the emitting dye molecules. These particles can scavenge singlet oxygen, which is produced during the photoexcitation process, by incorporating it into the polymer matrix. This renders their use to be unharmful for the surrounding matter with possible application in marking schemes for living bodies.
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Affiliation(s)
- Heidi Thomas
- Technische
Universität Dresden, Dresden Integrated Center for Applied
Physics and Photonic Materials (IAPP), Nöthnitzer Str. 61, 01187 Dresden, Germany
| | - Felix Fries
- Technische
Universität Dresden, Dresden Integrated Center for Applied
Physics and Photonic Materials (IAPP), Nöthnitzer Str. 61, 01187 Dresden, Germany
| | - Max Gmelch
- Technische
Universität Dresden, Dresden Integrated Center for Applied
Physics and Photonic Materials (IAPP), Nöthnitzer Str. 61, 01187 Dresden, Germany
| | - Toni Bärschneider
- Technische
Universität Dresden, Dresden Integrated Center for Applied
Physics and Photonic Materials (IAPP), Nöthnitzer Str. 61, 01187 Dresden, Germany
| | - Martin Kroll
- Technische
Universität Dresden, Dresden Integrated Center for Applied
Physics and Photonic Materials (IAPP), Nöthnitzer Str. 61, 01187 Dresden, Germany
| | - Thaleia Vavaleskou
- Johann
Wolfgang Goethe-Universität Frankfurt am Main, Institut für
Anorganische und Analytische Chemie, Max-von-Laue-Straße 7, 60438 Frankfurt am Main, Germany
| | - Sebastian Reineke
- Technische
Universität Dresden, Dresden Integrated Center for Applied
Physics and Photonic Materials (IAPP), Nöthnitzer Str. 61, 01187 Dresden, Germany
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37
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Liao Q, Li Q, Li Z. Substituent Effects in Organic Luminogens with Room Temperature Phosphorescence. CHEMPHOTOCHEM 2021. [DOI: 10.1002/cptc.202100016] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Qiuyan Liao
- Hubei Key Lab on Organic and Polymeric Opto-Electronic Materials Department of Chemistry Wuhan University Wuhan 430072 China
| | - Qianqian Li
- Hubei Key Lab on Organic and Polymeric Opto-Electronic Materials Department of Chemistry Wuhan University Wuhan 430072 China
| | - Zhen Li
- Hubei Key Lab on Organic and Polymeric Opto-Electronic Materials Department of Chemistry Wuhan University Wuhan 430072 China
- Institute of Molecular Aggregation Science Tianjin University Tianjin 300072 China
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38
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Zhou Y, Lu S, Zhi J, Jiang R, Chen J, Zhong H, Shi H, Ma X, An Z. Microscopic Afterglow Bioimaging by Ultralong Organic Phosphorescent Nanoparticles in Living Cells and Zebrafish. Anal Chem 2021; 93:6516-6522. [PMID: 33852275 DOI: 10.1021/acs.analchem.1c00423] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Compared with short-lived emission probes featuring fluorescence imaging , the use of phosphorescent probes imparts the advantage of long-lived signal persistence that distinguishes against background fluorescence interference. However, the realization of ultralong organic phosphorescent (UOP) probes with an ultralong emission lifetime in an aqueous medium is still a challenge. Here, we present a rational strategy for obtaining UOP nanoparticles (NPs) in an air-saturated aqueous medium prepared using an organic phosphor (PDBCz) and a surfactant polymer (PVP), named PDBCz@PVP, showing an ultralong emission lifetime of 284.59 ms and a phosphorescence quantum efficiency of 7.6%. The excellent phosphorescence properties and water solubility of PDBCz@PVP make it a promising candidate for biological imaging. The as-prepared PDBCz@PVP NPs possess excellent luminescence intensity as well as illustrious biocompatibility both in vitro and in vivo. We demonstrate their use as an efficient phosphorescent nanoprobe both in living cells and zebrafish by capturing their afterglow emission signals under microscopy observation for the first time, realizing convenient and fast bioimaging with low cost, which allows for anti-fluorescence interference and shows promise for the future theragnostic applications in nanomedicine.
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Affiliation(s)
- Yudong Zhou
- Key Laboratory of Flexible Electronics (KLOFE) and Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, China
| | - Song Lu
- Key Laboratory of Flexible Electronics (KLOFE) and Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, China
| | - Jiahuan Zhi
- Key Laboratory of Flexible Electronics (KLOFE) and Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, China
| | - Ruihong Jiang
- Sauvage Laboratory for Smart Materials, Shenzhen Bay Laboratory, Harbin Institute of Technology (Shenzhen), No. 9 Duxue Road, Shenzhen 518055, China
| | - Jiahao Chen
- Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518055, China
| | - Hanbing Zhong
- Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518055, China
| | - Huifang Shi
- Key Laboratory of Flexible Electronics (KLOFE) and Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, China
| | - Xing Ma
- Sauvage Laboratory for Smart Materials, Shenzhen Bay Laboratory, Harbin Institute of Technology (Shenzhen), No. 9 Duxue Road, Shenzhen 518055, China
| | - Zhongfu An
- Key Laboratory of Flexible Electronics (KLOFE) and Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, China
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39
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Lei Y, Yang J, Dai W, Lan Y, Yang J, Zheng X, Shi J, Tong B, Cai Z, Dong Y. Efficient and organic host-guest room-temperature phosphorescence: tunable triplet-singlet crossing and theoretical calculations for molecular packing. Chem Sci 2021; 12:6518-6525. [PMID: 34040727 PMCID: PMC8132935 DOI: 10.1039/d1sc01175h] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 04/04/2021] [Indexed: 12/14/2022] Open
Abstract
Organic host-guest doped materials exhibiting the room temperature phosphorescence (RTP) phenomenon have attracted considerable attention. However, it is still challenging to investigate their corresponding luminescence mechanism, because for host-guest systems, it is very difficult to obtain single crystals compared to single-component or co-crystal component materials. Herein, we developed a series of organic doped materials with triphenylamine (TPA) as the host and TPA derivatives with different electron-donating groups as guests. The doped materials showed strong fluorescence, thermally activated delayed fluorescence (τ: 39-47 ms), and efficient room temperature phosphorescence (Φ phos: 7.3-9.1%; τ: 170-262 ms). The intensity ratio between the delayed fluorescence and phosphorescence was tuned by the guest species and concentration. Molecular dynamics simulations were used to simulate the molecular conformation of guest molecules in the host matrix and the interaction between the host and guest molecules. Therefore, the photophysical properties were calculated using the QM/MM model. This work provides a new concept for the study of molecular packing of guest molecules in the host matrix.
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Affiliation(s)
- Yunxiang Lei
- School of Chemistry and Materials Engineering, Wenzhou University Wenzhou 325035 P. R. China
| | - Junfang Yang
- Department School of Chemistry and Chemical Engineering, Beijing Institute of Technology Beijing 100081 P. R. China
| | - Wenbo Dai
- School of Materials Science & Engineering, Beijing Institute of Technology Beijing 100081 P. R. China
| | - Yisha Lan
- School of Materials Science & Engineering, Beijing Institute of Technology Beijing 100081 P. R. China
| | - Jianhui Yang
- School of Materials Science & Engineering, Beijing Institute of Technology Beijing 100081 P. R. China
| | - Xiaoyan Zheng
- Department School of Chemistry and Chemical Engineering, Beijing Institute of Technology Beijing 100081 P. R. China
| | - Jianbing Shi
- School of Materials Science & Engineering, Beijing Institute of Technology Beijing 100081 P. R. China
| | - Bin Tong
- School of Materials Science & Engineering, Beijing Institute of Technology Beijing 100081 P. R. China
| | - Zhengxu Cai
- School of Materials Science & Engineering, Beijing Institute of Technology Beijing 100081 P. R. China
| | - Yuping Dong
- School of Materials Science & Engineering, Beijing Institute of Technology Beijing 100081 P. R. China
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40
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Nie X, Su H, Wang T, Miao H, Chen B, Zhang G. Aromatic Electrophilic Directing for Fluorescence and Room-Temperature Phosphorescence Modulation. J Phys Chem Lett 2021; 12:3099-3105. [PMID: 33754734 DOI: 10.1021/acs.jpclett.1c00520] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The ability to modulate luminescence is crucial for organic light-emitting molecules. However, the correlation between molecular structure and emission is not always obvious and systematic. Here, using a well-established empirical rule on electrophilic substitution involving directing groups in organic chemistry, we present a model system, where two luminophores are covalently linked to benzene ortho, meta, and para to each other, to demonstrate that the rule can also be useful in predicting the fluorescence and phosphorescence behaviors of these disubstituted benzene molecules. The benzene ring works as a "molecular wire" that transduces electron density when the two luminophores form ortho- and para-isomers, while little to no transduction can be noted for the meta-isomer, based on well-established organic chemistry. We anticipate that many more "textbook examples" of electronic directing in organic chemistry can be used for systematic modulation of molecular fluorescence and room-temperature phosphorescence.
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Affiliation(s)
- Xiancheng Nie
- Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, China
| | - Hao Su
- Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, China
| | - Tao Wang
- Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, China
| | - Hui Miao
- Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, China
| | - Biao Chen
- Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, China
| | - Guoqing Zhang
- Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, China
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41
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Ning Y, Yang J, Si H, Wu H, Zheng X, Qin A, Tang BZ. Ultralong organic room-temperature phosphorescence of electron-donating and commercially available host and guest molecules through efficient Förster resonance energy transfer. Sci China Chem 2021. [DOI: 10.1007/s11426-020-9980-4] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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42
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Wang D, Xie Y, Wu X, Lei Y, Zhou Y, Cai Z, Liu M, Wu H, Huang X, Dong Y. Excitation-Dependent Triplet-Singlet Intensity from Organic Host-Guest Materials: Tunable Color, White-Light Emission, and Room-Temperature Phosphorescence. J Phys Chem Lett 2021; 12:1814-1821. [PMID: 33577329 DOI: 10.1021/acs.jpclett.1c00188] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
A series of organic host-guest materials with multifunctional luminescence were constructed. Four isoquinoline derivatives were used as the guests, and benzophenone was used as the host. The doped system exhibited excellent dual emission with cyan fluorescence and orange-yellow room-temperature phosphorescence, and the dual emission could be combined into almost pure white-light emission. Importantly, the relative intensity of the fluorescence-phosphorescence could be adjusted by changing the excitation wavelength, with the phosphorescence intensity being significantly higher than the fluorescence intensity under shorter excitation wavelengths and vice versa under longer excitation wavelengths. Therefore, three-color emission switching among cyan, white, and orange could be achieved by simply adjusting the excitation wavelength. The results of experimental and theoretical calculations indicated that the excitation-dependent emission colors were caused by different transfer paths for excitons under different excitation wavelengths. These materials with multifunctional luminescence could be used as writable inks for advanced anticounterfeiting.
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Affiliation(s)
- Dan Wang
- School of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, P. R. China
| | - Yufeng Xie
- School of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, P. R. China
| | - Xinghui Wu
- School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 10081, P. R. China
| | - Yunxiang Lei
- School of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, P. R. China
| | - Yunbing Zhou
- School of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, P. R. China
| | - Zhengxu Cai
- School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 10081, P. R. China
| | - Miaochang Liu
- School of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, P. R. China
| | - Huayue Wu
- School of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, P. R. China
| | - Xiaobo Huang
- School of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, P. R. China
| | - Yuping Dong
- School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 10081, P. R. China
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43
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Structural Controls of Tetraphenylbenzene-based AIEgens for Non-doped Deep Blue Organic Light-emitting Diodes. Chem Res Chin Univ 2021. [DOI: 10.1007/s40242-021-0403-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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44
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Wu H, Baryshnikov GV, Kuklin A, Minaev BF, Wu B, Gu L, Zhu L, Ågren H, Zhao Y. Multidimensional Structure Conformation of Persulfurated Benzene for Highly Efficient Phosphorescence. ACS APPLIED MATERIALS & INTERFACES 2021; 13:1314-1322. [PMID: 33373196 DOI: 10.1021/acsami.0c16338] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
It is a challenge to acquire, realize, and comprehend highly emissive phosphorescent molecules. Herein, we report that, using persulfurated benzene compounds as models, phosphorescence can be strongly enhanced through the modification of molecular conformation and crystal growth conditions. By varying the peripheral groups in these compounds, we were able to control their molecular conformation and crystal growth mode, leading to one- (1D), two- (2D), and three-dimensional (3D) crystal morphologies. Two kinds of typical molecular conformations were separately obtained in these crystals through substituent group control or the solvent effect. Importantly, a symmetrical 3,3-conformer exhibits that a planar central benzene ring prefers a 3D-type crystal growth mode, demonstrating high phosphorescence efficiency. Such outcome is attributed to the strong crystal protection effect of the 3D crystal and the bright global minimum (GM) boat-like T1 state of the symmetrical 3,3-conformer. The conformation studies further reveal small deformation of the inner benzene ring in both singlet and triplet states. The GM boat-like T1 state is indicated by theoretical calculations, which is far away from the conical intersection (CI) point between the S0 and T1 potential energy surfaces. Meanwhile, the small energy gap between S1 and T1 states and the considerable spin-orbit coupling matrix elements allow an efficient population of the T1 state. Combined with the crystal protection and conformation effect, the 3,3-conformer crystal shows high phosphorescence efficiency. The unsymmetrical 2,4-conformer conformation with the twisted central benzene ring leads to 1D or 2D crystal growth mode, which has a weak crystal protection effect. In addition, the unsymmetrical conformation has a dark GM T1 state that is very close to the T1-S0 CI point, implying an efficient nonradiative T1-S0 quenching. Thus, weak phosphorescence was observed from the unsymmetrical conformation. This study provides an insight for the development of highly emissive phosphorescent materials.
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Affiliation(s)
- Hongwei Wu
- College of Chemistry, Chemical Engineering and Biotechnology, National Manufacturing Innovation Center of Advanced Dyeing and Finishing Technology, Donghua University, Shanghai 201620, China
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637371 Singapore
| | - Glib V Baryshnikov
- Division of Theoretical Chemistry and Biology, School of Biotechnology, KTH Royal Institute of Technology, SE-10691 Stockholm, Sweden
| | - Artem Kuklin
- Division of Theoretical Chemistry and Biology, School of Biotechnology, KTH Royal Institute of Technology, SE-10691 Stockholm, Sweden
| | - Boris F Minaev
- Division of Theoretical Chemistry and Biology, School of Biotechnology, KTH Royal Institute of Technology, SE-10691 Stockholm, Sweden
| | - Bin Wu
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai 200433, China
| | - Long Gu
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637371 Singapore
| | - Liangliang Zhu
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai 200433, China
| | - Hans Ågren
- Division of Theoretical Chemistry and Biology, School of Biotechnology, KTH Royal Institute of Technology, SE-10691 Stockholm, Sweden
- Tomsk State University, 36 Lenin Avenue, 634050 Tomsk, Russian Federation
| | - Yanli Zhao
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637371 Singapore
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45
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Xia Y, Du Y, Xiang Q, Humphrey MG. Highly efficient room-temperature phosphorescent materials with a heavy-atom effect of bromine. NEW J CHEM 2021. [DOI: 10.1039/d0nj05713d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Room-temperature phosphorescent (RTP) materials with long luminescence lifetimes have stimulated considerable interest.
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Affiliation(s)
- Youfu Xia
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi 214122
- P. R. China
| | - Yanqing Du
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi 214122
- P. R. China
| | - Qian Xiang
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi 214122
- P. R. China
| | - Mark G. Humphrey
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi 214122
- P. R. China
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46
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de Aquino A, Caparrós FJ, Aullón G, Ward JS, Rissanen K, Jung Y, Choi H, Lima JC, Rodríguez L. Effect of Gold(I) on the Room-Temperature Phosphorescence of Ethynylphenanthrene. Chemistry 2020; 27:1810-1820. [PMID: 33151003 DOI: 10.1002/chem.202004051] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Indexed: 12/24/2022]
Abstract
The synthesis of two series of gold(I) complexes with the general formulae PR3 -Au-C≡C-phenanthrene (PR3 =PPh3 (1 a/2 a), PMe3 (1 b/2 b), PNaph3 (1 c/2 c)) or (diphos)(Au-C≡C-phenanthrene)2 (diphos=1,1-bis(diphenylphosphino)methane, dppm (1 d/2 d), 1,4-bis(diphenylphosphino)butane, dppb (1 e/2 e)) has been realized. The two series differ in the position of the alkynyl substituent on the phenanthrene chromophore, being at the 9-position (9-ethynylphenanthrene) for the L1 series and at the 2-position (2-ethynylphenanthrene) for the L2 series. The compounds have been fully characterized by 1 H, 31 P NMR, and IR spectroscopy, mass spectrometry, and single-crystal X-ray diffraction resolution in the case of compounds 1 a, 1 e, 2 a, and 2 c. The emissive properties of the uncoordinated ligands and corresponding complexes have been studied in solution and within organic matrixes of different polarity (polymethylmethacrylate and Zeonex). Room-temperature phosphorescence (RTP) is observed for all gold(I) complexes whereas only fluorescence can be detected for the pure organic chromophore. In particular, the L2 series presents better luminescent properties regarding the intensity of emission, quantum yields, and RTP effect. Additionally, although the inclusion of all the compounds in organic matrixes induces an enhancement of the observed RTP owing to the decrease in non-radiative deactivation, only the L2 series completely suppresses the fluorescence, giving rise to pure phosphorescent materials.
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Affiliation(s)
- Araceli de Aquino
- Departament de Química Inorgànica i Orgànica, Secció de Química Inorgànica, Universitat de Barcelona, Martí i Franquès 1-11, 08028, Barcelona, Spain
| | - Francisco J Caparrós
- Departament de Química Inorgànica i Orgànica, Secció de Química Inorgànica, Universitat de Barcelona, Martí i Franquès 1-11, 08028, Barcelona, Spain.,Institut de Nanociència i Nanotecnologia (IN2UB), Universitat de Barcelona, 08028, Barcelona, Spain
| | - Gabriel Aullón
- Departament de Química Inorgànica i Orgànica, Secció de Química Inorgànica, Universitat de Barcelona, Martí i Franquès 1-11, 08028, Barcelona, Spain.,Institut de Química Teòrica i Computacional (IQTCUB), Universitat de Barcelona, 08028, Barcelona, Spain
| | - Jas S Ward
- Department of Chemistry, University of Jyväskylä, P.O. Box 35, 40014, Jyväskylä, Finland
| | - Kari Rissanen
- Department of Chemistry, University of Jyväskylä, P.O. Box 35, 40014, Jyväskylä, Finland
| | - Yongsik Jung
- Samsung Advanced Institute of Technology, Samsung Electronics Co. Ltd., 130 Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, 16678, Republic of Korea
| | - Hyeonho Choi
- Samsung Advanced Institute of Technology, Samsung Electronics Co. Ltd., 130 Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, 16678, Republic of Korea
| | - João Carlos Lima
- LAQV-REQUIMTE, Departamento de Química, Universidade Nova de Lisboa, 2829-516, Monte de Caparica, Spain
| | - Laura Rodríguez
- Departament de Química Inorgànica i Orgànica, Secció de Química Inorgànica, Universitat de Barcelona, Martí i Franquès 1-11, 08028, Barcelona, Spain.,Institut de Nanociència i Nanotecnologia (IN2UB), Universitat de Barcelona, 08028, Barcelona, Spain
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47
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Yin Z, Gu M, Ma H, Jiang X, Zhi J, Wang Y, Yang H, Zhu W, An Z. Molecular Engineering through Control of Structural Deformation for Highly Efficient Ultralong Organic Phosphorescence. Angew Chem Int Ed Engl 2020; 60:2058-2063. [DOI: 10.1002/anie.202011830] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Indexed: 12/20/2022]
Affiliation(s)
- Zheng Yin
- National Experimental Demonstration Center for Materials Science and Engineering Jiangsu Key Laboratory of Environmentally Friendly Polymeric Materials Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering Jiangsu Engineering Laboratory of Light-Electricity-Heat Energy-Converting Materials and Applications School of Materials Science & Engineering Changzhou University Changzhou 213164 China
- College of Chemistry Xiangtan University Xiangtan 411105 China
| | - Mingxing Gu
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM) Nanjing Tech University (NanjingTech) 30 South Puzhu Road Nanjing 211816 China
| | - Huili Ma
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM) Nanjing Tech University (NanjingTech) 30 South Puzhu Road Nanjing 211816 China
| | - Xueyan Jiang
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM) Nanjing Tech University (NanjingTech) 30 South Puzhu Road Nanjing 211816 China
| | - Jiahuan Zhi
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM) Nanjing Tech University (NanjingTech) 30 South Puzhu Road Nanjing 211816 China
| | - Yafei Wang
- National Experimental Demonstration Center for Materials Science and Engineering Jiangsu Key Laboratory of Environmentally Friendly Polymeric Materials Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering Jiangsu Engineering Laboratory of Light-Electricity-Heat Energy-Converting Materials and Applications School of Materials Science & Engineering Changzhou University Changzhou 213164 China
| | - Huifang Yang
- National Experimental Demonstration Center for Materials Science and Engineering Jiangsu Key Laboratory of Environmentally Friendly Polymeric Materials Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering Jiangsu Engineering Laboratory of Light-Electricity-Heat Energy-Converting Materials and Applications School of Materials Science & Engineering Changzhou University Changzhou 213164 China
| | - Weiguo Zhu
- National Experimental Demonstration Center for Materials Science and Engineering Jiangsu Key Laboratory of Environmentally Friendly Polymeric Materials Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering Jiangsu Engineering Laboratory of Light-Electricity-Heat Energy-Converting Materials and Applications School of Materials Science & Engineering Changzhou University Changzhou 213164 China
- College of Chemistry Xiangtan University Xiangtan 411105 China
| | - Zhongfu An
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM) Nanjing Tech University (NanjingTech) 30 South Puzhu Road Nanjing 211816 China
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48
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Yin Z, Gu M, Ma H, Jiang X, Zhi J, Wang Y, Yang H, Zhu W, An Z. Molecular Engineering through Control of Structural Deformation for Highly Efficient Ultralong Organic Phosphorescence. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202011830] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Zheng Yin
- National Experimental Demonstration Center for Materials Science and Engineering Jiangsu Key Laboratory of Environmentally Friendly Polymeric Materials Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering Jiangsu Engineering Laboratory of Light-Electricity-Heat Energy-Converting Materials and Applications School of Materials Science & Engineering Changzhou University Changzhou 213164 China
- College of Chemistry Xiangtan University Xiangtan 411105 China
| | - Mingxing Gu
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM) Nanjing Tech University (NanjingTech) 30 South Puzhu Road Nanjing 211816 China
| | - Huili Ma
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM) Nanjing Tech University (NanjingTech) 30 South Puzhu Road Nanjing 211816 China
| | - Xueyan Jiang
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM) Nanjing Tech University (NanjingTech) 30 South Puzhu Road Nanjing 211816 China
| | - Jiahuan Zhi
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM) Nanjing Tech University (NanjingTech) 30 South Puzhu Road Nanjing 211816 China
| | - Yafei Wang
- National Experimental Demonstration Center for Materials Science and Engineering Jiangsu Key Laboratory of Environmentally Friendly Polymeric Materials Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering Jiangsu Engineering Laboratory of Light-Electricity-Heat Energy-Converting Materials and Applications School of Materials Science & Engineering Changzhou University Changzhou 213164 China
| | - Huifang Yang
- National Experimental Demonstration Center for Materials Science and Engineering Jiangsu Key Laboratory of Environmentally Friendly Polymeric Materials Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering Jiangsu Engineering Laboratory of Light-Electricity-Heat Energy-Converting Materials and Applications School of Materials Science & Engineering Changzhou University Changzhou 213164 China
| | - Weiguo Zhu
- National Experimental Demonstration Center for Materials Science and Engineering Jiangsu Key Laboratory of Environmentally Friendly Polymeric Materials Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering Jiangsu Engineering Laboratory of Light-Electricity-Heat Energy-Converting Materials and Applications School of Materials Science & Engineering Changzhou University Changzhou 213164 China
- College of Chemistry Xiangtan University Xiangtan 411105 China
| | - Zhongfu An
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM) Nanjing Tech University (NanjingTech) 30 South Puzhu Road Nanjing 211816 China
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49
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Liu W, Wang J, Gong Y, Liao Q, Dang Q, Li Z, Bo Z. Room‐Temperature Phosphorescence Invoked Through Norbornyl‐Driven Intermolecular Interaction Intensification with Anomalous Reversible Solid‐State Photochromism. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202008736] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Wenxu Liu
- Key Laboratory of Energy Conversion and Storage Materials College of Chemistry Beijing Normal University Beijing 100875 China
| | - Jiaqiang Wang
- Sauvage Center for Molecular Sciences Department of Chemistry Wuhan University Wuhan 430072 China
| | - Yanbin Gong
- Sauvage Center for Molecular Sciences Department of Chemistry Wuhan University Wuhan 430072 China
| | - Qiuyan Liao
- Sauvage Center for Molecular Sciences Department of Chemistry Wuhan University Wuhan 430072 China
| | - Qianxi Dang
- Sauvage Center for Molecular Sciences Department of Chemistry Wuhan University Wuhan 430072 China
| | - Zhen Li
- Sauvage Center for Molecular Sciences Department of Chemistry Wuhan University Wuhan 430072 China
- Institute of Molecular Aggregation Science Tianjin University Tianjin 300072 China
| | - Zhishan Bo
- Key Laboratory of Energy Conversion and Storage Materials College of Chemistry Beijing Normal University Beijing 100875 China
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50
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Liu W, Wang J, Gong Y, Liao Q, Dang Q, Li Z, Bo Z. Room‐Temperature Phosphorescence Invoked Through Norbornyl‐Driven Intermolecular Interaction Intensification with Anomalous Reversible Solid‐State Photochromism. Angew Chem Int Ed Engl 2020; 59:20161-20166. [DOI: 10.1002/anie.202008736] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Indexed: 11/11/2022]
Affiliation(s)
- Wenxu Liu
- Key Laboratory of Energy Conversion and Storage Materials College of Chemistry Beijing Normal University Beijing 100875 China
| | - Jiaqiang Wang
- Sauvage Center for Molecular Sciences Department of Chemistry Wuhan University Wuhan 430072 China
| | - Yanbin Gong
- Sauvage Center for Molecular Sciences Department of Chemistry Wuhan University Wuhan 430072 China
| | - Qiuyan Liao
- Sauvage Center for Molecular Sciences Department of Chemistry Wuhan University Wuhan 430072 China
| | - Qianxi Dang
- Sauvage Center for Molecular Sciences Department of Chemistry Wuhan University Wuhan 430072 China
| | - Zhen Li
- Sauvage Center for Molecular Sciences Department of Chemistry Wuhan University Wuhan 430072 China
- Institute of Molecular Aggregation Science Tianjin University Tianjin 300072 China
| | - Zhishan Bo
- Key Laboratory of Energy Conversion and Storage Materials College of Chemistry Beijing Normal University Beijing 100875 China
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