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Peng Y, Yao X, Hu X, Wu B, Pei X, Yang Y, Dong Z, An Z, Huang W, Cai T. Edible Ultralong Organic Phosphorescent Excipient for Afterglow Visualizing the Quality of Tablets. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2406618. [PMID: 39205536 DOI: 10.1002/adma.202406618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2024] [Revised: 08/03/2024] [Indexed: 09/04/2024]
Abstract
Stimuli-responsive ultralong organic phosphorescence (UOP) materials that in response to external factors such as light, heat, and atmosphere have raised a tremendous research interest in fields of optoelectronics, anticounterfeiting labeling, biosensing, and bioimaging. However, for practical applications in life and health fields, some fundamental requirements such as biocompatibility and biodegradability are still challenging for conventional inorganic and aromatic-based stimuli-responsive UOP systems. Herein, an edible excipient, sodium carboxymethyl cellulose (SCC), of which UOP properties exhibit intrinsically multistimuli responses to excited wavelength, pressure, and moisture, is reported. Impressively, as a UOP probe, SCC enables nondestructive detection of hardness with superb contrast (signal-to-background ratio up to 120), while exhibiting a response sensitivity to moisture that is more than 5.0 times higher than that observed in conventional fluorescence. Additionally, its applicability for hardness monitoring and high-moisture warning for tablets containing a moisture-sensitive drug, with the quality of the drug being determinable through the naked-eye visible UOP, is demonstrated. This work not only elucidates the reason for stimulative corresponding properties in SCC but also makes a major step forward in extending the potential applications of stimuli-responsive UOP materials in manufacturing high-quality and safe medicine.
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Affiliation(s)
- Yayun Peng
- State Key Laboratory of Natural Medicines, Department of Pharmaceutics and Pharmaceutical Engineering, China Pharmaceutical University (Nanjing), No. 24 Tongjia Rd., Nanjing, 211198, China
| | - Xiaokang Yao
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (Nanjing), No. 30 South Puzhu Rd., Nanjing, 211816, China
- Institute of Flexible Electronics (IFE, Future Technologies), Xiamen University (Xiamen), Xiang'an Campus, No. 4221 Xiang'an South Road, Xiamen, Fujian, 361102, China
- Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen, Fujian, 361102, China
| | - Xiwen Hu
- State Key Laboratory of Natural Medicines, Department of Pharmaceutics and Pharmaceutical Engineering, China Pharmaceutical University (Nanjing), No. 24 Tongjia Rd., Nanjing, 211198, China
| | - Beishen Wu
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (Nanjing), No. 30 South Puzhu Rd., Nanjing, 211816, China
| | - Xiangyu Pei
- State Key Laboratory of Natural Medicines, Department of Pharmaceutics and Pharmaceutical Engineering, China Pharmaceutical University (Nanjing), No. 24 Tongjia Rd., Nanjing, 211198, China
| | - Yuhan Yang
- State Key Laboratory of Natural Medicines, Department of Pharmaceutics and Pharmaceutical Engineering, China Pharmaceutical University (Nanjing), No. 24 Tongjia Rd., Nanjing, 211198, China
| | - Zaiqing Dong
- State Key Laboratory of Natural Medicines, Department of Pharmaceutics and Pharmaceutical Engineering, China Pharmaceutical University (Nanjing), No. 24 Tongjia Rd., Nanjing, 211198, China
| | - Zhongfu An
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (Nanjing), No. 30 South Puzhu Rd., Nanjing, 211816, China
- Institute of Flexible Electronics (IFE, Future Technologies), Xiamen University (Xiamen), Xiang'an Campus, No. 4221 Xiang'an South Road, Xiamen, Fujian, 361102, China
| | - Wei Huang
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (Nanjing), No. 30 South Puzhu Rd., Nanjing, 211816, China
- Institute of Flexible Electronics (IFE, Future Technologies), Xiamen University (Xiamen), Xiang'an Campus, No. 4221 Xiang'an South Road, Xiamen, Fujian, 361102, China
- Frontiers Science Center for Flexible Electronics (FSCFE), MIIT Key Laboratory of Flexible Electronics (KLoFE), Northwestern Polytechnical University, Xi'an, 710072, China
| | - Ting Cai
- State Key Laboratory of Natural Medicines, Department of Pharmaceutics and Pharmaceutical Engineering, China Pharmaceutical University (Nanjing), No. 24 Tongjia Rd., Nanjing, 211198, China
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2
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Lv H, Ruan M, Wen Y, Zhou L, Zhao P, Xuan X. Toward understanding ammonia capture in two amino-functionalized metal-organic frameworks using in-situ infrared spectroscopy and DFT calculation. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 324:124962. [PMID: 39146628 DOI: 10.1016/j.saa.2024.124962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2024] [Revised: 07/17/2024] [Accepted: 08/09/2024] [Indexed: 08/17/2024]
Abstract
Two isostructural, three-dimensional, interpenetrated amino-functionalized Metal-Organic Frameworks (Co-2AIN-MOF and Cd-2AIN-MOF) based on 2-aminoisonicotinic acid (2AIN) were synthesized, structurally characterized and determined. Based on the PXRD analysis, the solvent exchange hardly changed their framework structure, and the samples fully activated by methanol can be achieved and examined by infrared spectroscopy. Due to the presence of the carbonyl group and free amino groups in the pore of the framework, the NH3 uptakes of Co-2AIN-MOF and Cd-2AIN-MOF are 11.70 and 13.81 mmol/g and at 1 bar, respectively. In-situ Infrared spectroscopy and DFT calculations revealed the different adsorption sites and processes between Co-2AIN-MOF and Cd-2AIN-MOF.
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Affiliation(s)
- Haijing Lv
- Henan Key Laboratory of Green Chemistry, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, PR China
| | - Mingming Ruan
- Henan Key Laboratory of Green Chemistry, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, PR China
| | - Yaping Wen
- Henan Key Laboratory of Green Chemistry, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, PR China
| | - Lian Zhou
- State Key Laboratory of Plateau Ecology and Agriculture, New Energy Photovoltaic Industry Research Center, Qinghai University, Xining 810016, PR China
| | - Peizheng Zhao
- Henan Key Laboratory of Green Chemistry, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, PR China.
| | - Xiaopeng Xuan
- Henan Key Laboratory of Green Chemistry, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, PR China; State Key Laboratory of Plateau Ecology and Agriculture, New Energy Photovoltaic Industry Research Center, Qinghai University, Xining 810016, PR China.
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3
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Miao Q, Wang Z. Tunable Ultralong Room Temperature Phosphorescence Based on Zn(II)-Niacin Metal-Organic Complex: Accessible and Low-Cost. Inorg Chem 2024; 63:6683-6691. [PMID: 38554088 DOI: 10.1021/acs.inorgchem.3c04618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/01/2024]
Abstract
Long persistent luminescence (LPL) materials open up a new avenue for information security, anticounterfeiting technology, and bioimaging thanks to their unique luminescence characteristics like ultralong exciton migration distances and multiple-colored light emission. As materials that have value for commercial applications, they attract much attention. In this paper, inexpensive, accessible, and eco-friendly niacin is used as a ligand to combine with the universally used metal ion Zn(II) to form a crystallized metal-organic complex dubbed Zn-NA. The named material possesses an ultralong room-temperature phosphorescence (RTP) with a lifetime of up to 265 ms under the atmosphere and up to 446 ms at 77 K. Notably, it exhibits a bright and multimode (excitation- and temperature-dependent) color-tunable LPL that changes from blue to cyan and then to yellow-green upon removal of the irradiation sources. Depending on its photoluminescence and theoretical calculations, the observed long-lived RTP of Zn-NA can be attributed to the coexistence of a single-molecule state induced by the heavy atom effect and an aggregated state within a dense crystalline structure.
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Affiliation(s)
- Qing Miao
- Key Laboratory of Chemical Additives for China National Light Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Zheng Wang
- Key Laboratory of Chemical Additives for China National Light Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
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Dai W, Jiang Y, Lei Y, Huang X, Sun P, Shi J, Tong B, Yan D, Cai Z, Dong Y. Recent progress in ion-regulated organic room-temperature phosphorescence. Chem Sci 2024; 15:4222-4237. [PMID: 38516079 PMCID: PMC10952074 DOI: 10.1039/d3sc06931a] [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: 12/25/2023] [Accepted: 02/21/2024] [Indexed: 03/23/2024] Open
Abstract
Organic room-temperature phosphorescence (RTP) materials have attracted considerable attention for their extended afterglow at ambient conditions, eco-friendliness, and wide-ranging applications in bio-imaging, data storage, security inks, and emergency illumination. Significant advancements have been achieved in recent years in developing highly efficient RTP materials by manipulating the intermolecular interactions. In this perspective, we have summarized recent advances in ion-regulated organic RTP materials based on the roles and interactions of ions, including the ion-π interactions, electrostatic interactions, and coordinate interactions. Subsequently, the current challenges and prospects of utilizing ionic interactions for inducing and modulating the phosphorescent properties are presented. It is anticipated that this perspective will provide basic guidelines for fabricating novel ionic RTP materials and further extend their application potential.
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Affiliation(s)
- Wenbo Dai
- College of Chemistry and Materials Engineering, Wenzhou University Wenzhou China
- Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green Applications, School of Materials Science and Engineering, Beijing Institute of Technology Beijing China
| | - Yitian Jiang
- College of Chemistry and Materials Engineering, Wenzhou University Wenzhou China
| | - Yunxiang Lei
- College of Chemistry and Materials Engineering, Wenzhou University Wenzhou China
| | - Xiaobo Huang
- College of Chemistry and Materials Engineering, Wenzhou University Wenzhou China
| | - Peng Sun
- Advanced Research Institute of Multidisciplinary Sciences, Beijing Institute of Technology Beijing China
| | - Jianbing Shi
- Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green Applications, School of Materials Science and Engineering, Beijing Institute of Technology Beijing China
| | - Bin Tong
- Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green Applications, School of Materials Science and Engineering, Beijing Institute of Technology Beijing China
| | - Dongpeng Yan
- Beijing Key Laboratory of Energy Conversion and Storage Materials, Key Laboratory of Radiopharmaceuticals, Ministry of Education, College of Chemistry, Beijing Normal University Beijing China
| | - Zhengxu Cai
- Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green Applications, School of Materials Science and Engineering, Beijing Institute of Technology Beijing China
| | - Yuping Dong
- Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green Applications, School of Materials Science and Engineering, Beijing Institute of Technology Beijing China
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5
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Wu S, Zhang H, Mao Z, Liang Y, Li JA, Hu P, Zhang Q, Liu C, Luo S, Wang Y, Shi G, Xu B. Achieving Stable and Switchable Ultralong Room-Temperature Phosphorescence from Polymer-Based Luminescent Materials with Three-Dimensional Covalent Networks for Light-Manipulated Anticounterfeiting. ACS APPLIED MATERIALS & INTERFACES 2023; 15:39896-39904. [PMID: 37555378 DOI: 10.1021/acsami.3c07900] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/10/2023]
Abstract
Developing polymer-based organic afterglow materials with switchable ultralong organic phosphorescence (UOP) that are insensitive to moisture remains challenging. Herein, two organic luminogens, BBCC and BBCS, were synthesized by attaching 7H-benzo[c]carbazole (BBC) to benzophenone and diphenyl sulfone. These two emitters were employed as guest molecules and doped into epoxy polymers (EPs), which were constructed by in situ polymerization to achieve polymer materials BBCC-EP and BBCS-EP. It was found that BBCC-EP and BBCS-EP films exhibited significant photoactivated UOP properties. After light irradiation, they could produce a conspicuous organic afterglow with phosphorescence quantum yields and lifetimes up to 5.35% and 1.91 s, respectively. Meanwhile, BBCS-EP also presented photochromic characteristics. Upon thermal annealing, the UOP could be turned off, and the polymer films recovered to their pristine state, showing switchable organic afterglow. In addition, BBCC-EP and BBCS-EP displayed excellent water resistance and still produced obvious UOP after soaking in water for 4 weeks. Inspired by the unique photoactivated UOP and photochromic properties, BBCC and BBCS in the mixtures of diglycidyl ether of bisphenol A (DGEBA) and 1,3-propanediamine were employed as security inks for light-controlled multilevel anticounterfeiting. This work may provide helpful guidance for developing photostimuli-responsive polymer-based organic afterglow materials, especially those with stable UOP under ambient conditions.
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Affiliation(s)
- Shiying Wu
- School of Chemistry; Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education, South China Normal University, Guangzhou 510006, China
| | - Huaqing Zhang
- School of Chemistry; Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education, South China Normal University, Guangzhou 510006, China
| | - Zhu Mao
- Shenzhen Institute of Advanced Electronic Materials, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Yaohui Liang
- School of Chemistry; Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education, South China Normal University, Guangzhou 510006, China
| | - Jian-An Li
- School of Chemistry; Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education, South China Normal University, Guangzhou 510006, China
| | - Pengtao Hu
- School of Chemistry; Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education, South China Normal University, Guangzhou 510006, China
| | - Qingqing Zhang
- School of Chemistry; Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education, South China Normal University, Guangzhou 510006, China
| | - Cong Liu
- School of Chemistry; Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education, South China Normal University, Guangzhou 510006, China
| | - Suilian Luo
- School of Chemistry; Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education, South China Normal University, Guangzhou 510006, China
| | - Yuhai Wang
- School of Chemistry; Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education, South China Normal University, Guangzhou 510006, China
| | - Guang Shi
- School of Chemistry; Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education, South China Normal University, Guangzhou 510006, China
| | - Bingjia Xu
- School of Chemistry; Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education, South China Normal University, Guangzhou 510006, China
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6
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Zhang J, Tu Y, Shen H, Lam JWY, Sun J, Zhang H, Tang BZ. Regulating the proximity effect of heterocycle-containing AIEgens. Nat Commun 2023; 14:3772. [PMID: 37355670 PMCID: PMC10290688 DOI: 10.1038/s41467-023-39479-1] [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: 03/15/2023] [Accepted: 06/15/2023] [Indexed: 06/26/2023] Open
Abstract
Proximity effect, which refers to the low-lying (n,π*) and (π,π*) states with close energy levels, usually plays a negative role in the luminescent behaviors of heterocyclic luminogens. However, no systematic study attempts to reveal and manipulate proximity effect on luminescent properties. Here, we report a series of methylquinoxaline derivatives with different electron-donating groups, which show different photophysical properties and aggregation-induced emission behaviors. Experimental results and theoretical calculation reveal the gradually changed energy levels and different coupling effects of the closely related (n,π*) and (π,π*) states, which intrinsically regulate proximity effect and aggregation-induced emission behaviors of these luminogens. With the intrinsic nature of heterocycle-containing compounds, they are utilized for sensors and information encryption with dynamic responses to acid/base stimuli. This work reveals both positive and negative impacts of proximity effect in heterocyclic aggregation-induced emission systems and provides a perspective to develop functional and responsive luminogens with aggregation-induced emission properties.
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Affiliation(s)
- Jianyu Zhang
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, and Guangdong-Hong Kong-Macau Joint Laboratory of Optoelectronic and Magnetic Functional Materials, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, 999077, China
| | - Yujie Tu
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, and Guangdong-Hong Kong-Macau Joint Laboratory of Optoelectronic and Magnetic Functional Materials, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, 999077, China
| | - Hanchen Shen
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, and Guangdong-Hong Kong-Macau Joint Laboratory of Optoelectronic and Magnetic Functional Materials, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, 999077, China
| | - Jacky W Y Lam
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, and Guangdong-Hong Kong-Macau Joint Laboratory of Optoelectronic and Magnetic Functional Materials, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, 999077, China
| | - Jianwei Sun
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, and Guangdong-Hong Kong-Macau Joint Laboratory of Optoelectronic and Magnetic Functional Materials, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, 999077, China
| | - Haoke Zhang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310058, China.
- Zhejiang-Israel Joint Laboratory of Self-Assembling Functional Materials, ZJU-Hangzhou Global Scientific and Technological Innovation Center, Zhejiang University, Hangzhou, 311215, China.
| | - Ben Zhong Tang
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, and Guangdong-Hong Kong-Macau Joint Laboratory of Optoelectronic and Magnetic Functional Materials, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, 999077, China.
- School of Science and Engineering, Shenzhen Institute of Aggregate Science and Technology, The Chinese University of Hong Kong, Shenzhen, Guangdong, 518172, China.
- AIE Institute, Guangzhou Development District, Huangpu, Guangzhou, 510530, China.
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7
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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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8
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Shi Y, Zeng Y, Kucheryavy P, Yin X, Zhang K, Meng G, Chen J, Zhu Q, Wang N, Zheng X, Jäkle F, Chen P. Dynamic B/N Lewis Pairs: Insights into the Structural Variations and Photochromism via Light-Induced Fluorescence to Phosphorescence Switching. Angew Chem Int Ed Engl 2022; 61:e202213615. [PMID: 36287039 DOI: 10.1002/anie.202213615] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Indexed: 11/18/2022]
Abstract
Ultralong afterglow emissions due to room-temperature phosphorescence (RTP) are of paramount importance in the advancement of smart sensors, bioimaging and light-emitting devices. We herein present an efficient approach to achieve rarely accessible phosphorescence of heavy atom-free organoboranes via photochemical switching of sterically tunable fluorescent Lewis pairs (LPs). LPs are widely applied in and well-known for their outstanding performance in catalysis and supramolecular soft materials but have not thus far been exploited to develop photo-responsive RTP materials. The intramolecular LP M1BNM not only shows a dynamic response to thermal treatment due to reversible N→B coordination but crystals of M1BNM also undergo rapid photochromic switching. As a result, unusual emission switching from short-lived fluorescence to long-lived phosphorescence (rad-M1BNM, τRTP =232 ms) is observed. The reported discoveries in the field of Lewis pairs chemistry offer important insights into their structural dynamics, while also pointing to new opportunities for photoactive materials with implications for fast responsive detectors.
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Affiliation(s)
- Yafei Shi
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Key Laboratory of Cluster Science of the Ministry of Education, School of Chemistry and Chemical Engineering, Beijing Institute of Technology of China, Beijing, 102488, China
| | - Yi Zeng
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Key Laboratory of Cluster Science of the Ministry of Education, School of Chemistry and Chemical Engineering, Beijing Institute of Technology of China, Beijing, 102488, China
| | - Pavel Kucheryavy
- Department of Chemistry, Rutgers University-Newark, 73 Warren Street, Newark, NJ 07102, USA
| | - Xiaodong Yin
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Key Laboratory of Cluster Science of the Ministry of Education, School of Chemistry and Chemical Engineering, Beijing Institute of Technology of China, Beijing, 102488, China
| | - Kai Zhang
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Key Laboratory of Cluster Science of the Ministry of Education, School of Chemistry and Chemical Engineering, Beijing Institute of Technology of China, Beijing, 102488, China
| | - Guoyun Meng
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Key Laboratory of Cluster Science of the Ministry of Education, School of Chemistry and Chemical Engineering, Beijing Institute of Technology of China, Beijing, 102488, China
| | - Jinfa Chen
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Key Laboratory of Cluster Science of the Ministry of Education, School of Chemistry and Chemical Engineering, Beijing Institute of Technology of China, Beijing, 102488, China
| | - Qian Zhu
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Key Laboratory of Cluster Science of the Ministry of Education, School of Chemistry and Chemical Engineering, Beijing Institute of Technology of China, Beijing, 102488, China
| | - Nan Wang
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Key Laboratory of Cluster Science of the Ministry of Education, School of Chemistry and Chemical Engineering, Beijing Institute of Technology of China, Beijing, 102488, China
| | - Xiaoyan Zheng
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Key Laboratory of Cluster Science of the Ministry of Education, School of Chemistry and Chemical Engineering, Beijing Institute of Technology of China, Beijing, 102488, China
| | - Frieder Jäkle
- Department of Chemistry, Rutgers University-Newark, 73 Warren Street, Newark, NJ 07102, USA
| | - Pangkuan Chen
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Key Laboratory of Cluster Science of the Ministry of Education, School of Chemistry and Chemical Engineering, Beijing Institute of Technology of China, Beijing, 102488, China
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9
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Evariste S, Harrison AM, Sarkar S, Rheingold AL, Dunietz BD, Heinicke JW, Delgado Rosario E, Yoon S, Teets TS, Protasiewicz JD. Luminescent 1 H-1,3-benzazaphospholes. RSC Adv 2022; 13:594-601. [PMID: 36605673 PMCID: PMC9773327 DOI: 10.1039/d2ra07226b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Accepted: 12/14/2022] [Indexed: 12/24/2022] Open
Abstract
2-R-1H-1,3-Benzazaphospholes (R-BAPs) are an interesting class of σ2P heterocycles containing P[double bond, length as m-dash]C bonds. While closely related 2-R-1,3-benzoxaphospholes (R-BOPs) have been shown to be highly photoluminescent materials depending on specific R substituents, photoluminescence of R-BAPs has been previously limited to an example having a fused carbazole ring system. Here we detail the synthesis and structural characterization of a new R-BAP (3c, R = 2,2'-dithiophene), and compare its photoluminescence against two previously reported R-BAPs (3a, R, R' = Me and 3b, R = 2-thiophene). The significant fluorescence displayed by the thiophene derivatives 3b (φ = 0.53) and 3c (φ = 0.12) stands in contrast to the weakly emissive methyl substituted analogue 3a (φ = 0.08). Comparative computational investigations of 3a-c offer insights into the interplay between structure-function relationships affecting excited state relaxation processes.
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Affiliation(s)
- Sloane Evariste
- Department of Chemistry, Case Western Reserve UniversityClevelandOhio 44106USA
| | | | - Sunandan Sarkar
- Department of Chemistry, National Institute of Technology TiruchirappalliTiruchirappalliTamil Nadu 620015India
| | - Arnold L. Rheingold
- Department of Chemistry and Biochemistry, University of CaliforniaLa JollaSan DiegoCalifornia 92093USA
| | - Barry D. Dunietz
- Department of Chemistry and Biochemistry, Kent State UniversityKentOhio 44242USA
| | - Joachim W. Heinicke
- Institut für Biochemie, Anorganische Chemie, Ernst-Moritz-Arndt-Universität GreifswaldFelix-Hausdorff-Str. 4, D-17489GreisfwaldGermany
| | | | - Sungwoon Yoon
- Department of Chemistry, University of Houston3585 Cullen Blvd. Room 112HoustonTX 77204-5003USA
| | - Thomas S. Teets
- Department of Chemistry, University of Houston3585 Cullen Blvd. Room 112HoustonTX 77204-5003USA
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10
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Cui W, Li J, Han SD, Mu Y, Li JH, Pan J, Wang GM. Coordinate Anchoring of Mixed Luminophores in Two Isostructural Hybrid Layers to Achieve Tunable Room-Temperature Phosphorescence. Inorg Chem 2022; 61:17178-17184. [PMID: 36263997 DOI: 10.1021/acs.inorgchem.2c02699] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Room-temperature phosphorescence (RTP) materials have widespread applications in biological imaging, anticounterfeiting, and optoelectronic devices. Because of the predesignability of metal-organic complexes (MOCs), the RTP materials based on MOC systems have received huge attention from researchers. The coordinate anchoring of luminophores to enhance the rigidity of organic molecules and restrict the nonradiative transition offers opportunities for generating MOC materials with captivating RTP performance. Hitherto, most of the MOC-based RTP materials feature a single luminophore ligand. The development of new MOC systems with RTP functionality is still challenging. Herein, we use the mixed-ligand synthetic strategy to produce isostructural MOCs, [Zn(TIMB)(X2-TPA)]·H2O (1, X = Cl; 2, X = Br; TIMB = 1,3,5-tris(2-methyl-1H-imidazol-1-yl)benzene; H2-X2-TPA = 2,5-dichloroterephthalic and 2,5-dibromoterephthalic acid), and modulate the RTP properties of resultant products via the synergy of coordinate anchoring and substitution synthesis. 1 and 2 feature similar coordination layers composed of neutral TIMB and anionic X2-TPA2- ligands, which provide a good structural model to tune the RTP performances of final products via substitution synthesis. Different from the reported RTP materials based on MOC systems, our study provides a general way to build and modulate MOC-based RTP materials with the assistance of coordinate anchoring and substitution synthesis strategies.
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Affiliation(s)
- Wei Cui
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao 266071, Shandong, P. R. China
| | - Jie Li
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao 266071, Shandong, P. R. China
| | - Song-De Han
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao 266071, Shandong, P. R. China
| | - Ying Mu
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao 266071, Shandong, P. R. China
| | - Jin-Hua Li
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao 266071, Shandong, P. R. China
| | - Jie Pan
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao 266071, Shandong, P. R. China
| | - Guo-Ming Wang
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao 266071, Shandong, P. R. China
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11
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Hayduk M, Schaller T, Niemeyer FC, Rudolph K, Clever GH, Rizzo F, Voskuhl J. Phosphorescence Induction by Host‐Guest Complexation with Cyclodextrins – The Role of Regioisomerism and Affinity. Chemistry 2022; 28:e202201081. [DOI: 10.1002/chem.202201081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Indexed: 11/07/2022]
Affiliation(s)
- Matthias Hayduk
- Faculty of Chemistry (Organic Chemistry), ZMB and CENIDE University of Duisburg-Essen Universitätsstraße 7 Essen 45141 Germany
| | - Torsten Schaller
- Faculty of Chemistry (Organic Chemistry), ZMB and CENIDE University of Duisburg-Essen Universitätsstraße 7 Essen 45141 Germany
| | - Felix C. Niemeyer
- Faculty of Chemistry (Organic Chemistry), ZMB and CENIDE University of Duisburg-Essen Universitätsstraße 7 Essen 45141 Germany
| | - Kevin Rudolph
- Faculty of Chemistry (Organic Chemistry), ZMB and CENIDE University of Duisburg-Essen Universitätsstraße 7 Essen 45141 Germany
| | - Guido H. Clever
- Technische Universität Dortmund Fakultät für Chemie und Chemische Biologie Otto-Hahn-Straße 6 44227 Dortmund Germany
| | - Fabio Rizzo
- Institute of Chemical Science and Technologies “G. Natta” (SCITEC) National Research Council (CNR) via G. Fantoli 16/15 20138 Milano Italy
- Center for Soft Nanoscience (SoN) Westfälische Wilhelms-Universität Münster Busso-Peus-Str. 10 48149 Münster Germany
| | - Jens Voskuhl
- Faculty of Chemistry (Organic Chemistry), ZMB and CENIDE University of Duisburg-Essen Universitätsstraße 7 Essen 45141 Germany
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12
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Flynn JJ, Marsh ZM, Krein DM, Wolf SM, Haley JE, Vasquez ES, Cooper TM, Godman NP, Grusenmeyer TA. Identification of Lithocholic Acid as a Molecular Glass Host for Room‐Temperature Phosphorescent Materials. CHEMPHOTOCHEM 2022. [DOI: 10.1002/cptc.202200134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- John J. Flynn
- Air Force Research Laboratory Materials & Manufacturing Directorate Photonic Materials Branch UNITED STATES
| | - Zachary M. Marsh
- Air Force Research Laboratory Materials & Manufacturing Directorate Photonic Materials Branch UNITED STATES
| | - Douglas M. Krein
- Air Force Research Laboratory Materials & Manufacturing Directorate Photonic Materials Branch UNITED STATES
| | - Steven M. Wolf
- Air Force Research Laboratory Materials & Manufacturing Directorate Photonic Materials Branch UNITED STATES
| | - Joy E. Haley
- Air Force Research Laboratory Materials & Manufacturing Directorate Photonic Materials Branch UNITED STATES
| | - Erick S. Vasquez
- University of Dayton Department of Chemical and Materials Engineering UNITED STATES
| | - Thomas M. Cooper
- Air Force Research Laboratory Materials & Manufacturing Directorate Photonic Materials Branch UNITED STATES
| | - Nicholas P. Godman
- Air Force Research Laboratory Materials & Manufacturing Directorate Photonic Materials Branch UNITED STATES
| | - Tod A. Grusenmeyer
- Air Force Research Laboratory Materials & Manufacturing Directorate Photonic Materials Branch 2179 12th Street Bldg 652 45433 Wright-Patterson AFB UNITED STATES
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13
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Baykov SV, Semenov AV, Presnukhina SI, Novikov AS, Shetnev AA, Boyarskiy VP. Hydrogen vs. halogen bonding in crystals of 2,5-dibromothiophene-3-carboxylic acid derivatives. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.132785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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14
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Huang A, Li Q, Li Z. Molecular Uniting Set Identified Characteristic (
MUSIC
) of Organic Optoelectronic Materials. CHINESE J CHEM 2022. [DOI: 10.1002/cjoc.202100843] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Arui Huang
- Hubei Key Lab on Organic and Polymeric Opto‐Electronic Materials, Sauvage Center for Molecular Sciences, Department of Chemistry, Wuhan University Wuhan 430072 China
| | - Qianqian Li
- Hubei Key Lab on Organic and Polymeric Opto‐Electronic Materials, Sauvage Center for Molecular Sciences, Department of Chemistry, Wuhan University Wuhan 430072 China
| | - Zhen Li
- Hubei Key Lab on Organic and Polymeric Opto‐Electronic Materials, Sauvage Center for Molecular Sciences, Department of Chemistry, Wuhan University Wuhan 430072 China
- Institute of Molecular Aggregation Science, Tianjin University Tianjin 300072 China
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15
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Zhu T, Yang T, Zhang Q, Yuan WZ. Clustering and halogen effects enabled red/near-infrared room temperature phosphorescence from aliphatic cyclic imides. Nat Commun 2022; 13:2658. [PMID: 35551197 PMCID: PMC9098632 DOI: 10.1038/s41467-022-30368-7] [Citation(s) in RCA: 59] [Impact Index Per Article: 29.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 04/27/2022] [Indexed: 11/29/2022] Open
Abstract
Pure organic room temperature phosphorescence (RTP) materials become increasingly important in advanced optoelectronic and bioelectronic applications. Current phosphors based on small aromatic molecules show emission characteristics generally limited to short wavelengths. It remains an enormous challenge to achieve red and near-infrared (NIR) RTP, particularly for those from nonaromatics. Here we demonstrate that succinimide derived cyclic imides can emit RTP in the red (665, 690 nm) and NIR (745 nm) spectral range with high efficiencies of up to 9.2%. Despite their rather limited molecular conjugations, their unique emission stems from the presence of the imide unit and heavy atoms, effective molecular clustering, and the electron delocalization of halogens. We further demonstrate that the presence of heavy atoms like halogen or chalcogen atoms in these systems is important to facilitate intersystem crossing as well as to extend through-space conjugation and to enable rigidified conformations. This universal strategy paves the way to the design of nonconventional luminophores with long wavelength emission and for emerging applications. Pure organic room temperature phosphorescence (RTP) materials become increasingly important but achieving red and near-infrared (NIR) RTP remains challenging. Here, the authors demonstrate that succinimide derived cyclic imides can emit RTP in the red and NIR spectral range with outstanding efficiencies of up to 9.2%.
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Affiliation(s)
- Tianwen Zhu
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Lab of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Tianjia Yang
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Lab of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Qiang Zhang
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Lab of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Wang Zhang Yuan
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Lab of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, Shanghai, 200240, China.
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16
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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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17
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Deng D, Suo B, Zou W. New Light on an Old Story: Breaking Kasha's Rule in Phosphorescence Mechanism of Organic Boron Compounds and Molecule Design. Int J Mol Sci 2022; 23:876. [PMID: 35055059 PMCID: PMC8776103 DOI: 10.3390/ijms23020876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 01/09/2022] [Accepted: 01/11/2022] [Indexed: 12/10/2022] Open
Abstract
In this work, the phosphorescence mechanism of (E)-3-(((4-nitrophenyl)imino)methyl)-2H-thiochroman-4-olate-BF2 compound (S-BF2) is investigated theoretically. The phosphorescence of S-BF2 has been reassigned to the second triplet state (T2) by the density matrix renormalization group (DMRG) method combined with the multi-configurational pair density functional theory (MCPDFT) to approach the limit of theoretical accuracy. The calculated radiative and non-radiative rate constants support the breakdown of Kasha's rule further. Our conclusion contradicts previous reports that phosphorescence comes from the first triplet state (T1). Based on the revised phosphorescence mechanism, we have purposefully designed some novel compounds in theory to enhance the phosphorescence efficiency from T2 by replacing substitute groups in S-BF2. Overall, both S-BF2 and newly designed high-efficiency molecules exhibit anti-Kasha T2 phosphorescence instead of the conventional T1 emission. This work provides a useful guidance for future design of high-efficiency green-emitting phosphors.
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Affiliation(s)
- Dan Deng
- Institute of Modern Physics, Northwest University, Xi’an 710127, China;
- Shaanxi Key Laboratory for Theoretical Physics Frontiers, Xi’an 710127, China
| | - Bingbing Suo
- Institute of Modern Physics, Northwest University, Xi’an 710127, China;
- Shaanxi Key Laboratory for Theoretical Physics Frontiers, Xi’an 710127, China
| | - Wenli Zou
- Institute of Modern Physics, Northwest University, Xi’an 710127, China;
- Shaanxi Key Laboratory for Theoretical Physics Frontiers, Xi’an 710127, China
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18
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Ito S. Luminescent polymorphic crystals: mechanoresponsive and multicolor-emissive properties. CrystEngComm 2022. [DOI: 10.1039/d1ce01614h] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Polymorphic organic crystals that can switch their photophysical properties in response to mechanical stimuli are highlighted.
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Affiliation(s)
- Suguru Ito
- Department of Chemistry and Life Science, Graduate School of Engineering Science, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan
- PRESTO, Japan Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
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19
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Kinzhalov MA, Ivanov DM, Melekhova AA, Bokach NA, Gomila RM, Frontera A, Kukushkin VY. Chameleonic Metal-bound Isocyanides: π-Donating CuI-center Imparts a Nucleophilicity to the Isocyanide Carbon toward Halogen Bonding. Inorg Chem Front 2022. [DOI: 10.1039/d2qi00034b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In the structures of the isostructural cocrystals [CuI3(CNXyl)3]·CHX3 (X = Br, I), two adjacent CuI-bound isocyanide groups, whose carbon lone pairs are blocked by the ligation, exhibit nucleophilic properties induced...
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20
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Su R, Huang Z. "H-Type" Like Constructed Dimer: Another Way to Enhance the Thermally Activated Delayed Fluorescence Effect. J Phys Chem Lett 2021; 12:11497-11502. [PMID: 34797082 DOI: 10.1021/acs.jpclett.1c03044] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Thermally activated delayed fluorescence (TADF) materials are an essential part of TADF-based organic light-emitting diodes (OLEDs). All the reported methods to improve the performance of TADF materials were focused on achieving a high reverse intersystem crossing rate (kRISC) and oscillator strength (f), but most of them were studies on single molecular states. In this paper, we have discovered a new dimer architecture called the "H-type" like dimer and proved that the "H-type" like dimer is another way to improve the performance of TADF materials by calculation and experiment. The calculated energy levels of excited states only provided 1.72-5.46% relative errors (RE) compare with the measured values, which indicated that the methods we chose were suitable for predicting the properties. The intermolecular interactions of the "H-type" like dimer endow it with much larger f and kRISC properties than monomer states, proving that the "H-type" like dimer could improve the performance of TADF emitters.
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Affiliation(s)
- Rongchuan Su
- Department of Pharmacology, North Sichuan Medical College, Nanchong 637100, China
| | - Zhenmei Huang
- College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, China
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21
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Kim BH, Kim W, Kim T, Ko BM, Hong SJ, Lee K, Kim J, Song SH, Lee S. Hydrogen-Bonding-Mediated Molecular Vibrational Suppression for Enhancing the Fluorescence Quantum Yield Applicable for Visual Phenol Detection. ACS APPLIED MATERIALS & INTERFACES 2021; 13:54339-54347. [PMID: 34747615 DOI: 10.1021/acsami.1c15385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
It is generally accepted that while efficient suppression of molecular vibration is inevitable for purely organic phosphors due to their long emission lifetime in the regime of 1 ms or longer, fluorophores having a lifetime in the nanoseconds regime are not sensitive to collisional quenching. Here, however, we demonstrate that a fluorophore, 2,5-bis(hexyloxy)terephthaldehyde (BHTA), capable of having hydrogen bonding (H bonding) via its two aldehyde groups can have a largely enhanced (450%) fluorescence quantum yield (QY) in amorphous poly(acrylic acid) (PAA) matrix compared to its crystalline powder. We ascribe this enhanced QY to the efficient suppression of molecular vibrations via intermolecular H bonding. We confirm this feasibility by conducting temperature-dependent fluorescence emission intensity measurement. As gaseous phenol can intervene with the H bonding between BHTA and PAA, interestingly, BHTA embedded in PAA can selectively detect gaseous phenol by a sharp fluorescence emission intensity drop that is visibly recognizable by the naked eye. The results provide an insightful molecular design strategy for a fluorophore and fluorometric sensory system design for enhanced photoluminescence QY and convenient detection of various volatile organic compounds.
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Affiliation(s)
- Bo-Hyun Kim
- Korea Institute of Industrial Technology (KITECH), Cheonan 31056, Republic of Korea
- Division of Advanced Materials Engineering and Center for Advanced Powder Materials and Parts, Kongju National University, Cheonan 31080, Republic of Korea
| | - Wontae Kim
- Korea Institute of Industrial Technology (KITECH), Cheonan 31056, Republic of Korea
| | - Taemin Kim
- Korea Institute of Industrial Technology (KITECH), Cheonan 31056, Republic of Korea
| | - Byoung Min Ko
- Division of Advanced Materials Engineering and Center for Advanced Powder Materials and Parts, Kongju National University, Cheonan 31080, Republic of Korea
| | - Soon-Jik Hong
- Division of Advanced Materials Engineering and Center for Advanced Powder Materials and Parts, Kongju National University, Cheonan 31080, Republic of Korea
| | - Kangtaek Lee
- Department of Chemical and Biomolecular Engineering, Yonsei University, Seoul 03722, Republic of Korea
| | - Jinsang Kim
- Department of Materials Science and Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Sung-Ho Song
- Division of Advanced Materials Engineering and Center for Advanced Powder Materials and Parts, Kongju National University, Cheonan 31080, Republic of Korea
| | - Sunjong Lee
- Korea Institute of Industrial Technology (KITECH), Cheonan 31056, Republic of Korea
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22
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Tang S, Yang T, Zhao Z, Zhu T, Zhang Q, Hou W, Yuan WZ. Nonconventional luminophores: characteristics, advancements and perspectives. Chem Soc Rev 2021; 50:12616-12655. [PMID: 34610056 DOI: 10.1039/d0cs01087a] [Citation(s) in RCA: 121] [Impact Index Per Article: 40.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Nonconventional luminophores devoid of remarkable conjugates have attracted considerable attention due to their unique luminescence behaviors, updated luminescence mechanism of organics and promising applications in optoelectronic, biological and medical fields. Unlike classic luminogens consisting of molecular segments with greatly extended electron delocalization, these unorthodox luminophores generally possess nonconjugated structures based on subgroups such as ether (-O-), hydroxyl (-OH), halogens, carbonyl (CO), carboxyl (-COOH), cyano (CN), thioether (-S-), sulfoxide (SO), sulfone (OSO), phosphate, and aliphatic amine, as well as their grouped functionalities like amide, imide, anhydride and ureido. They can exhibit intriguing intrinsic luminescence, generally featuring concentration-enhanced emission, aggregation-induced emission, excitation-dependent luminescence and prevailing phosphorescence. Herein, we review the recent progress in exploring these nonconventional luminophores and discuss the current challenges and future perspectives. Notably, different mechanisms are reviewed and the clustering-triggered emission (CTE) mechanism is highlighted, which emphasizes the clustering of the above mentioned electron rich moieties and consequent electron delocalization along with conformation rigidification. The CTE mechanism seems widely applicable for diversified natural, synthetic and supramolecular systems.
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Affiliation(s)
- Saixing Tang
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Lab of Electrical Insulation and Thermal Aging, Shanghai Electrochemical Energy Devices Research Center, Shanghai Jiao Tong University, No. 800 Dongchuan Rd., Minhang, Shanghai 200240, China.
| | - Tianjia Yang
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Lab of Electrical Insulation and Thermal Aging, Shanghai Electrochemical Energy Devices Research Center, Shanghai Jiao Tong University, No. 800 Dongchuan Rd., Minhang, Shanghai 200240, China.
| | - Zihao Zhao
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Lab of Electrical Insulation and Thermal Aging, Shanghai Electrochemical Energy Devices Research Center, Shanghai Jiao Tong University, No. 800 Dongchuan Rd., Minhang, Shanghai 200240, China.
| | - Tianwen Zhu
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Lab of Electrical Insulation and Thermal Aging, Shanghai Electrochemical Energy Devices Research Center, Shanghai Jiao Tong University, No. 800 Dongchuan Rd., Minhang, Shanghai 200240, China.
| | - Qiang Zhang
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Lab of Electrical Insulation and Thermal Aging, Shanghai Electrochemical Energy Devices Research Center, Shanghai Jiao Tong University, No. 800 Dongchuan Rd., Minhang, Shanghai 200240, China.
| | - Wubeiwen Hou
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Lab of Electrical Insulation and Thermal Aging, Shanghai Electrochemical Energy Devices Research Center, Shanghai Jiao Tong University, No. 800 Dongchuan Rd., Minhang, Shanghai 200240, China.
| | - Wang Zhang Yuan
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Lab of Electrical Insulation and Thermal Aging, Shanghai Electrochemical Energy Devices Research Center, Shanghai Jiao Tong University, No. 800 Dongchuan Rd., Minhang, Shanghai 200240, China.
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23
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Hu C, Huang S, Zhang Z, Yao H, Wu Y, Huang L, Yan X. Experimental and Computational Study on Photophysical Properties of Mesoionic Chalcogenones. Chem Asian J 2021; 16:4165-4170. [PMID: 34729937 DOI: 10.1002/asia.202101157] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 10/30/2021] [Indexed: 12/14/2022]
Abstract
N-Heterocyclic carbene adducts with main group elements (NHC=E) have aroused great interest and have been widely investigated in coordination chemistry. Among them, N-heterocyclic carbene adducts with chalcogens (NHC=Ch) have been known for a long time. Their investigations mostly focused on synthesis, coordination chemistry and electrochemistry. Their photophysical properties still remain unexplored. In this work, the photophysical properties of mesoionic carbene adducts with sulfur and selenium have been investigated both in solution and solid state. These compounds showed blue fluorescence in dichloromethane. While in solid state, orange to red room-temperature phosphorescence can be observed, and dual emission was found in mesoionic thiones. Furthermore, time-dependent density functional theory (TD-DFT) calculations were used to obtain insights into the luminescent mechanism.
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Affiliation(s)
- Chubin Hu
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing, 100872, P. R. China
| | - Shiqing Huang
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing, 100872, P. R. China
| | - Zengyu Zhang
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing, 100872, P. R. China
| | - Haidan Yao
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing, 100872, P. R. China
| | - Yixin Wu
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing, 100872, P. R. China
| | - Linwei Huang
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing, 100872, P. R. China
| | - Xiaoyu Yan
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing, 100872, P. R. China
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24
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Leduskrasts K, Suna E. Intermolecular Charge-Transfer Luminescence by Self-Assembly of Pyridinium Luminophores in Solutions. ChemistryOpen 2021; 10:1081-1086. [PMID: 34676691 PMCID: PMC8532008 DOI: 10.1002/open.202100191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 10/05/2021] [Indexed: 11/09/2022] Open
Abstract
Designing a luminophore for application both in solution and in the solid state is a highly challenging task given the distinct nature of intermolecular interactions in these phases. In this context, we demonstrate that self-assembly of non-emissive charged pyridinium luminophores enables luminescence in solutions through a mechanism that is characteristic for the crystal state. Specifically, protonation of pyridine luminophore subunits in a solution promotes oligomer formation through intermolecular π+ -π interactions, leading to an intermolecular charge-transfer type luminescence. The luminescence turn-on by protonation is utilized for a highly efficient solution-state luminescent sensing of hydrogen chloride and sulfonic acids (TfOH, TsOH and MsOH) with detection limits spanning the range from 0.06 to 0.33 ppm. The protonation followed by self-assembly results in a bathochromic shift of the emission from 420 nm to 550 nm.
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Affiliation(s)
| | - Edgars Suna
- Latvian Institute of Organic SynthesisAizkraukles 211006RigaLatvia
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25
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Romero-Nieto C, de Cózar A, Regulska E, Mullenix JB, Rominger F, Hindenberg P. Controlling the molecular arrangement of racemates through weak interactions: the synergy between π-interactions and halogen bonds. Chem Commun (Camb) 2021; 57:7366-7369. [PMID: 34232238 DOI: 10.1039/d1cc01700d] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
POX and NX halogen bonds in combination with π-stacking interactions lead to the sorting of π-extended R- and S-isomers. Theoretical calculations point to a positive synergistic effect between the π-interactions and the halogen bonds to be the origin of such phenomena. As a result, enantiomeric building blocks form homoleptically connected quadrangular structures.
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Affiliation(s)
- Carlos Romero-Nieto
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, Heidelberg 69120, Germany. and Faculty of Pharmacy, University of Castilla-La Mancha, Calle Almansa 14 - Edif. Bioincubadora, Albacete, 02008, Spain
| | - A de Cózar
- Departamento de Química Orgánica I, Facultad de Química, Universidad del País Vasco P. K. 1072, San Sebastián-Donostia, E-20018, Spain. and IKERBASQUE, Basque Foundation for Science, Bilbao, 48009, Spain
| | - Elzbieta Regulska
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, Heidelberg 69120, Germany. and Faculty of Pharmacy, University of Castilla-La Mancha, Calle Almansa 14 - Edif. Bioincubadora, Albacete, 02008, Spain
| | - John B Mullenix
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, Heidelberg 69120, Germany.
| | - Frank Rominger
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, Heidelberg 69120, Germany.
| | - Philip Hindenberg
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, Heidelberg 69120, Germany.
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26
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The Isocyanide Complexes cis-[MCl2(CNC6H4-4-X)2] (M = Pd, Pt; X = Cl, Br) as Tectons in Crystal Engineering Involving Halogen Bonds. CRYSTALS 2021. [DOI: 10.3390/cryst11070799] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The isocyanide complexes cis-[MCl2(CNC6H4-4-X)2] (M = Pd; X = Cl, Br; M = Pt; X = Br) form isomorphous crystal structures exhibiting the Cl/Br and Pd/Pt exchanges featuring 1D chains upon crystallisation. Crystal packing is supported by the C–X···X–C halogen bonds (HaBs), C–H···X–C hydrogen bonds (HB), X···M semicoordination, and C···C contacts between the C atoms of aryl isocyanide ligands. The results of DFT calculations and topological analysis indicate that all the above contact types belong to attractive noncovalent interactions. A projection of the electron localization function (ELF) and an inspection of the electron density (ED) and the electrostatic potential (ESP) reveal the amphiphilic nature of X atoms playing the role of HaB donors, HaB and HB acceptors, and a nucleophilic partner in X···M semicoordination.
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27
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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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28
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Zn(II) Heteroleptic Halide Complexes with 2-Halopyridines: Features of Halogen Bonding in Solid State. Molecules 2021; 26:molecules26113393. [PMID: 34205151 PMCID: PMC8199927 DOI: 10.3390/molecules26113393] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 05/28/2021] [Accepted: 06/02/2021] [Indexed: 12/29/2022] Open
Abstract
Reactions between Zn(II) dihalides and 2-halogen-substituted pyridines 2-XPy result in a series of heteroleptic molecular complexes [(2-XPy)2ZnY2] (Y = Cl, X = Cl (1), Br (2), I (3); Y = Br, X = Cl (4), Br (5), I (6), Y = I, X = Cl (7), Br (8), and I (9)). Moreover, 1-7 are isostructural (triclinic), while 8 and 9 are monoclinic. In all cases, halogen bonding plays an important role in formation of crystal packing. Moreover, 1-9 demonstrate luminescence in asolid state; for the best emitting complexes, quantum yield (QY) exceeds 21%.
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29
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Ren J, Wang Y, Tian Y, Liu Z, Xiao X, Yang J, Fang M, Li Z. Force-Induced Turn-On Persistent Room-Temperature Phosphorescence in Purely Organic Luminogen. Angew Chem Int Ed Engl 2021; 60:12335-12340. [PMID: 33719198 DOI: 10.1002/anie.202101994] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 03/09/2021] [Indexed: 12/11/2022]
Abstract
Research of purely organic room-temperature phosphorescence (RTP) materials has been a hot topic, especially for those with stimulus response character. Herein, an abnormal stimulus-responsive RTP effect is reported, in which, purely organic luminogen of Czs-ph-3F shows turn-on persistent phosphorescence under grinding. Careful analyses of experimental results, coupled with the theoretical calculations, show that the transition of molecular conformation from quasi-axial to quasi-equatorial of the phenothiazine group should be mainly responsible for this exciting result. Furthermore, the applications of stylus printing and thermal printing are both successfully realized, based on the unique RTP effect of Czs-ph-3F.
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Affiliation(s)
- Jia Ren
- Institute of Molecular Aggregation Science, Tianjin University, Tianjin, 300072, China
| | - Yunsheng Wang
- Institute of Molecular Aggregation Science, Tianjin University, Tianjin, 300072, China
| | - Yu Tian
- Institute of Molecular Aggregation Science, Tianjin University, Tianjin, 300072, China
| | - Zhenjiang Liu
- Institute of Molecular Aggregation Science, Tianjin University, Tianjin, 300072, China
| | - Xiangheng Xiao
- School of Physics and Technology, Wuhan University, Wuhan, Hubei, 430072, China
| | - Jie Yang
- Institute of Molecular Aggregation Science, Tianjin University, Tianjin, 300072, China
| | - Manman Fang
- Institute of Molecular Aggregation Science, Tianjin University, Tianjin, 300072, China
| | - Zhen Li
- Institute of Molecular Aggregation Science, Tianjin University, Tianjin, 300072, China.,Department of Chemistry, Wuhan University, Wuhan, Hubei, 430072, China.,Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou, Fujian, 350207, China.,Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, Tianjin University, Tianjin, 300072, China
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30
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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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31
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Ren J, Wang Y, Tian Y, Liu Z, Xiao X, Yang J, Fang M, Li Z. Force‐Induced Turn‐On Persistent Room‐Temperature Phosphorescence in Purely Organic Luminogen. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202101994] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Jia Ren
- Institute of Molecular Aggregation Science Tianjin University Tianjin 300072 China
| | - Yunsheng Wang
- Institute of Molecular Aggregation Science Tianjin University Tianjin 300072 China
| | - Yu Tian
- Institute of Molecular Aggregation Science Tianjin University Tianjin 300072 China
| | - Zhenjiang Liu
- Institute of Molecular Aggregation Science Tianjin University Tianjin 300072 China
| | - Xiangheng Xiao
- School of Physics and Technology Wuhan University Wuhan Hubei 430072 China
| | - Jie Yang
- Institute of Molecular Aggregation Science Tianjin University Tianjin 300072 China
| | - Manman Fang
- Institute of Molecular Aggregation Science Tianjin University Tianjin 300072 China
| | - Zhen Li
- Institute of Molecular Aggregation Science Tianjin University Tianjin 300072 China
- Department of Chemistry Wuhan University Wuhan Hubei 430072 China
- Joint School of National University of Singapore and Tianjin University International Campus of Tianjin University Binhai New City Fuzhou Fujian 350207 China
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences Department of Chemistry Tianjin University Tianjin 300072 China
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32
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Shimizu M, Sakurai T. Metal-Free Organic Luminophores that Exhibit Dual Fluorescence and Phosphorescence Emission at Room Temperature. Chempluschem 2021; 86:446-459. [PMID: 33689234 DOI: 10.1002/cplu.202000783] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 03/02/2021] [Indexed: 01/24/2023]
Abstract
Dual-fluorescent-phosphorescent compounds have attracted increasing attention in various fields, such as bio-imaging, data protection/encryption, ratiometric luminescence sensing, and white-light emission. Conventional dual-emissive compounds contain a phosphorescent organometallic complex of a precious metal, such as iridium or platinum. However, the use of precious metals in organic materials has several drawbacks. This Minireview focuses on precious-metal-free organic light-emitting materials that exhibit dual fluorescence and phosphorescence emission in the solid state at room temperature to produce bimodal steady-state emission spectra. The dual emitters presented herein are categorized into the following six compound classes: (1) difluoroboron diaroylmethanes, (2) diarylketones, (3) diarylsulfones, (4) triazines and pyrimidines, (5) fused phenazines, and (6) N-arylcarbazoles.
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Affiliation(s)
- Masaki Shimizu
- Faculty of Molecular Chemistry and Engineering, Kyoto Institute of Technology, 1 Hashikami-cho, Matsugasaki, Sakyo-ku, Kyoto, 606-8585, Japan
| | - Tsuneaki Sakurai
- Faculty of Molecular Chemistry and Engineering, Kyoto Institute of Technology, 1 Hashikami-cho, Matsugasaki, Sakyo-ku, Kyoto, 606-8585, Japan
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33
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Nidhankar AD, Goudappagouda, Wakchaure VC, Babu SS. Efficient metal-free organic room temperature phosphors. Chem Sci 2021; 12:4216-4236. [PMID: 34163691 PMCID: PMC8179585 DOI: 10.1039/d1sc00446h] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 02/18/2021] [Indexed: 11/21/2022] Open
Abstract
An innovative transformation of organic luminescent materials in recent years has realised the exciting research area of ultralong room-temperature phosphorescence. Here the credit for the advancements goes to the rational design of new organic phosphors. The continuous effort in the area has yielded wide varieties of metal-free organic systems capable of extending the lifetime to several seconds under ambient conditions with high quantum yield and attractive afterglow properties. The various strategies adopted in the past decade to manipulate the fate of triplet excitons suggest a bright future for this class of materials. To analyze the underlying processes in detail, we have chosen high performing organic triplet emitters that utilized the best possible ways to achieve a lifetime above one second along with impressive quantum yield and afterglow properties. Such a case study describing different classes of metal-free organic phosphors and strategies adopted for the efficient management of triplet excitons will stimulate the development of better candidates for futuristic applications. This Perspective discusses the phosphorescence features of single- and multi-component crystalline assemblies, host-guest assemblies, polymers, and polymer-based systems under various classes of molecules. The various applications of the organic phosphors, along with future perspectives, are also highlighted.
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Affiliation(s)
- Aakash D Nidhankar
- Organic Chemistry Division, National Chemical Laboratory (CSIR-NCL) Dr Homi Bhabha Road Pune-411008 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad-201002 India
| | - Goudappagouda
- Organic Chemistry Division, National Chemical Laboratory (CSIR-NCL) Dr Homi Bhabha Road Pune-411008 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad-201002 India
| | - Vivek C Wakchaure
- Organic Chemistry Division, National Chemical Laboratory (CSIR-NCL) Dr Homi Bhabha Road Pune-411008 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad-201002 India
| | - Sukumaran Santhosh Babu
- Organic Chemistry Division, National Chemical Laboratory (CSIR-NCL) Dr Homi Bhabha Road Pune-411008 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad-201002 India
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34
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Goudappagouda, Nidhankar AD, Nayak RA, Santhosh Babu S. Aggregation-induced phosphorescence of an anthraquinone based emitter. Org Biomol Chem 2021; 19:1004-1008. [PMID: 33459322 DOI: 10.1039/d0ob02505d] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Room temperature phosphorescence (RTP) of metal-free organic molecules is a hot topic of current research interest. RTP can be enhanced through aggregation, crystallization, and the support of polymers and host-guest assemblies. The characteristics of highly phosphorescent aggregates formed from conventional chromophores make them ideal candidates for many potential applications. In this direction, we focused on the aggregation-induced phosphorescence of an anthraquinone derivative AqC6 in solution and in crystal state. The weakly emissive dilute solution exhibits a tunable emission with enhanced intensity and room temperature phosphorescence by increasing the concentration and solvent-antisolvent combination. The enhanced phosphorescence of crystals has been recreated in the solution by making use of aggregation. Interestingly, the support of PMMA enabled AqC6 to achieve enhanced processability, phosphorescence lifetime (174 ms) and quantum yield (5%).
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Affiliation(s)
- Goudappagouda
- Organic Chemistry Division, National Chemical Laboratory (CSIR-NCL), Pune-411008, India. and Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201 002, India
| | - Aakash D Nidhankar
- Organic Chemistry Division, National Chemical Laboratory (CSIR-NCL), Pune-411008, India. and Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201 002, India
| | - Rashmi A Nayak
- Organic Chemistry Division, National Chemical Laboratory (CSIR-NCL), Pune-411008, India.
| | - Sukumaran Santhosh Babu
- Organic Chemistry Division, National Chemical Laboratory (CSIR-NCL), Pune-411008, India. and Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201 002, India
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35
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Xu Y, Liu C, Wang H, Zhang D, Li Z. Intermolecular Halogen Bonding-Controlled Self-Assembly of Hydrogen Bonded Aromatic Amide Foldamers. CHINESE J ORG CHEM 2021. [DOI: 10.6023/cjoc202102012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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36
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Katkova SA, Luzyanin KV, Novikov AS, Kinzhalov MA. Modulation of luminescence properties for [cyclometalated]-Pt II(isocyanide) complexes upon co-crystallisation with halosubstituted perfluorinated arenes. NEW J CHEM 2021. [DOI: 10.1039/d0nj05457g] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
C–X⋯Cl–Pt Halogen bonds and πh⋯dz2[PtII] contacts led to the 2-fold increase of phosphorescence quantum yields for [cyclometalated]-PtII(isocyanide) complexes upon co-crystallisation with halosubstituted perfluorinated arenes.
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Affiliation(s)
- Svetlana A. Katkova
- Saint Petersburg State University
- 7/9 Universitetskaya Nab
- Saint Petersburg 199034
- Russian Federation
| | | | - Alexander S. Novikov
- Saint Petersburg State University
- 7/9 Universitetskaya Nab
- Saint Petersburg 199034
- Russian Federation
| | - Mikhail A. Kinzhalov
- Saint Petersburg State University
- 7/9 Universitetskaya Nab
- Saint Petersburg 199034
- Russian Federation
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37
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Liu M, Liang J, Liu Z. Modulating the ferroelectric performance by altering halogen anions in the crystals of tetranuclear copper-clusters. NEW J CHEM 2021. [DOI: 10.1039/d1nj01894a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The ferroelectric performance of tetranuclear copper clusters can be modulated by altering the free halogen anions existing in the crystal structure.
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Affiliation(s)
- Meiying Liu
- Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials
- School of Chemistry and Chemical Engineering
- Inner Mongolia University
- Hohhot 010021
- P. R. China
| | - Jingjing Liang
- Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials
- School of Chemistry and Chemical Engineering
- Inner Mongolia University
- Hohhot 010021
- P. R. China
| | - Zhiliang Liu
- Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials
- School of Chemistry and Chemical Engineering
- Inner Mongolia University
- Hohhot 010021
- P. R. China
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38
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Shen FF, Chen Y, Dai X, Zhang HY, Zhang B, Liu Y, Liu Y. Purely organic light-harvesting phosphorescence energy transfer by β-cyclodextrin pseudorotaxane for mitochondria targeted imaging. Chem Sci 2020; 12:1851-1857. [PMID: 34163949 PMCID: PMC8179139 DOI: 10.1039/d0sc05343k] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
A new type of purely organic light-harvesting phosphorescence energy transfer (PET) supramolecular assembly is constructed from 4-(4-bromophenyl)-pyridine modified β-cyclodextrin (CD-PY) as a donor, cucurbit[8]uril (CB[8]) as a mediator, rhodamine B (RhB) as an acceptor, and adamantane modified hyaluronic acid (HA-ADA) as a cancer cell targeting agent. Interestingly, the complexation of free CD-PY, which has no RTP emission in aqueous solution, with CB[8] results in the formation of CD-PY@CB[8] pseudorotaxane with an RTP emission at 510 nm. Then the addition of RhB leads to an efficient light-harvesting PET process with highly efficient energy transfer and an ultrahigh antenna effect (36.42) between CD-PY@CB[8] pseudorotaxane and RhB. Importantly, CD-PY@CB[8]@RhB assembles with HA-ADA into nanoparticles with further enhanced delayed emission at 590 nm. The nanoparticles could be successfully used for mitochondria targeted imaging in A549 cancer cells. This aqueous-state PET based on a supramolecular assembly strategy has potential application in delayed fluorescence cell imaging. A new type of purely organic light-harvesting PET supramolecular assembly is constructed with efficient energy transfer and ultrahigh antenna effect. Moreover, the assembly could be used for mitochondria targeted imaging in A549 cancer cells.![]()
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Affiliation(s)
- Fang-Fang Shen
- College of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University Tianjin 300071 P. R. China
| | - Yong Chen
- College of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University Tianjin 300071 P. R. China
| | - Xianyin Dai
- College of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University Tianjin 300071 P. R. China
| | - Hao-Yang Zhang
- College of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University Tianjin 300071 P. R. China
| | - Bing Zhang
- College of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University Tianjin 300071 P. R. China
| | - Yaohua Liu
- College of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University Tianjin 300071 P. R. China
| | - Yu Liu
- College of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University Tianjin 300071 P. R. China
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39
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Yuan Z, Zou L, Chang D, Ma X. Conformation-Dependent Phosphorescence of Galactose-Decorated Phosphors and Assembling-Induced Phosphorescence Enhancement. ACS APPLIED MATERIALS & INTERFACES 2020; 12:52059-52069. [PMID: 33166107 DOI: 10.1021/acsami.0c17119] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Amorphous organic room-temperature phosphorescent (RTP) materials are promising for their facile preparation and processability, while the conformation effects of phosphors at amorphous state are lack of study in comparison with the rigid effects due to the commonly irregular assembling and dispersal of phosphors in rigid systems. Herein, we report a series of phosphorescent molecules modified by polyhydroxy galactose, whose RTP emission at the amorphous state can be regulated by controlling the conformational distortion of the phosphorescent segments. Further, a strong RTP emission is facilely obtained by the co-assembling between polyhydroxy phosphors and polyhydroxy matrices (α-CD, β-CD, and chitosan). Owing to the rigid effect of the enhanced hydrogen bonding cross-linking, the highest RTP quantum yield reaches 19.4%; whereas, the RTP emissions of assemblies become conformation insensitive. The conflicting relationship between the conformation effect and rigid effect is attributed to the differences between aggregated single-component systems and dispersed assembling systems. Besides, the unique and different moisture responsiveness of the co-assembling samples is discovered and further applied in data encryption. The research expands the scope for designing amorphous pure organic RTP materials with supramolecular strategies and shows a modularized approach for assembling-enhanced phosphorescence.
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Affiliation(s)
- Zhiyi Yuan
- Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Lei Zou
- Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Dongdong Chang
- Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Xiang Ma
- Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
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40
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Zhou J, Stojanović L, Berezin AA, Battisti T, Gill A, Kariuki BM, Bonifazi D, Crespo-Otero R, Wasielewski MR, Wu YL. Organic room-temperature phosphorescence from halogen-bonded organic frameworks: hidden electronic effects in rigidified chromophores. Chem Sci 2020; 12:767-773. [PMID: 34163810 PMCID: PMC8178982 DOI: 10.1039/d0sc04646a] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Accepted: 11/04/2020] [Indexed: 01/11/2023] Open
Abstract
Development of purely organic materials displaying room-temperature phosphorescence (RTP) will expand the toolbox of inorganic phosphors for imaging, sensing or display applications. While molecular solids were found to suppress non-radiative energy dissipation and make the RTP process kinetically favourable, such an effect should be enhanced by the presence of multivalent directional non-covalent interactions. Here we report phosphorescence of a series of fast triplet-forming tetraethyl naphthalene-1,4,5,8-tetracarboxylates. Various numbers of bromo substituents were introduced to modulate intermolecular halogen-bonding interactions. Bright RTP with quantum yields up to 20% was observed when the molecule is surrounded by a Br⋯O halogen-bonded network. Spectroscopic and computational analyses revealed that judicious heavy-atom positioning suppresses non-radiative relaxation and enhances intersystem crossing at the same time. The latter effect was found to be facilitated by the orbital angular momentum change, in addition to the conventional heavy-atom effect. Our results suggest the potential of multivalent non-covalent interactions for excited-state conformation and electronic control.
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Affiliation(s)
- Jiawang Zhou
- Department of Chemistry, Institute for Sustainability and Energy at Northwestern, Northwestern University Evanston Illinois 60208-3113 USA
| | - Ljiljana Stojanović
- School of Biological and Chemical Sciences, Queen Mary University of London London E1 4NS UK
| | | | | | - Abigail Gill
- School of Chemistry, Cardiff University Cardiff CF10 3AT UK
| | | | - Davide Bonifazi
- School of Chemistry, Cardiff University Cardiff CF10 3AT UK
- Institute of Organic Chemistry, Faculty of Chemistry, University of Vienna Währinger Str. 38 Vienna 1090 Austria
| | - Rachel Crespo-Otero
- School of Biological and Chemical Sciences, Queen Mary University of London London E1 4NS UK
| | - Michael R Wasielewski
- Department of Chemistry, Institute for Sustainability and Energy at Northwestern, Northwestern University Evanston Illinois 60208-3113 USA
| | - Yi-Lin Wu
- School of Chemistry, Cardiff University Cardiff CF10 3AT UK
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41
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Dou X, Zhu T, Wang Z, Sun W, Lai Y, Sui K, Tan Y, Zhang Y, Yuan WZ. Color-Tunable, Excitation-Dependent, and Time-Dependent Afterglows from Pure Organic Amorphous Polymers. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e2004768. [PMID: 33089564 DOI: 10.1002/adma.202004768] [Citation(s) in RCA: 90] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 09/05/2020] [Indexed: 06/11/2023]
Abstract
Achieving persistent room-temperature phosphorescence (p-RTP), particularly those of tunable full-colors, from pure organic amorphous polymers is attractive but challenging. Particularly, those with tunable multicolor p-RTP in response to excitation wavelength and time are highly important but both fundamentally and technically underexplored. Here, a facile and general strategy toward color-tunable p-RTP from blue to orange-red based on amidation grafting of luminophores onto sodium alginate (SA) chains, resulting in amorphous polymers with distinct p-RTP and even impressively excitation-dependent and time-dependent afterglows is reported. p-RTP is associated with the unique semi-rigidified SA chains, effective hydrogen bonding network, and oxygen barrier properties of SA, whereas excitation-dependent and time-dependent afterglows should stem from the formation of diversified p-RTP emissive species with comparable but different lifetimes. These results outline a rational strategy toward amorphous smart luminophores with colorful, excitation-dependent, and time-dependent p-RTP, excellent solution processability, and film-forming ability for versatile applications.
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Affiliation(s)
- Xueyu Dou
- State Key Laboratory of Bio-Fibers and Eco-Textiles, Collaborative Innovation Center of Marine Biobased Fiber and Ecological Textile Technology, College of Materials Science and Engineering, Qingdao University, No. 308 Ningxia Rd., Shinan District, Qingdao, 266071, China
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Lab of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, No. 800 Dongchuan Rd., Minhang District, Shanghai, 200240, China
| | - Tianwen Zhu
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Lab of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, No. 800 Dongchuan Rd., Minhang District, Shanghai, 200240, China
| | - Zhengshuo Wang
- State Key Laboratory of Bio-Fibers and Eco-Textiles, Collaborative Innovation Center of Marine Biobased Fiber and Ecological Textile Technology, College of Materials Science and Engineering, Qingdao University, No. 308 Ningxia Rd., Shinan District, Qingdao, 266071, China
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Lab of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, No. 800 Dongchuan Rd., Minhang District, Shanghai, 200240, China
| | - Wei Sun
- Department of Orthopaedics, Shanghai General Hospital, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Yueying Lai
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Lab of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, No. 800 Dongchuan Rd., Minhang District, Shanghai, 200240, China
| | - Kunyan Sui
- State Key Laboratory of Bio-Fibers and Eco-Textiles, Collaborative Innovation Center of Marine Biobased Fiber and Ecological Textile Technology, College of Materials Science and Engineering, Qingdao University, No. 308 Ningxia Rd., Shinan District, Qingdao, 266071, China
| | - Yeqiang Tan
- State Key Laboratory of Bio-Fibers and Eco-Textiles, Collaborative Innovation Center of Marine Biobased Fiber and Ecological Textile Technology, College of Materials Science and Engineering, Qingdao University, No. 308 Ningxia Rd., Shinan District, Qingdao, 266071, China
| | - Yongming Zhang
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Lab of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, No. 800 Dongchuan Rd., Minhang District, Shanghai, 200240, China
| | - Wang Zhang Yuan
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Lab of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, No. 800 Dongchuan Rd., Minhang District, Shanghai, 200240, China
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42
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Liu X, Zhang K, Gao J, Chen Y, Tung C, Wu L. Monochromophore‐Based Phosphorescence and Fluorescence from Pure Organic Assemblies for Ratiometric Hypoxia Detection. Angew Chem Int Ed Engl 2020; 59:23456-23460. [DOI: 10.1002/anie.202007039] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 07/30/2020] [Indexed: 12/19/2022]
Affiliation(s)
- Xiao‐Qin Liu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry, Chinese Academy of Sciences Beijing 100190 China
- Department of Chemistry North University of China Taiyuan 030051 China
| | - Ke Zhang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry, Chinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Jian‐Feng Gao
- Department of Chemistry North University of China Taiyuan 030051 China
| | - Yu‐Zhe Chen
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry, Chinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Chen‐Ho Tung
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry, Chinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Li‐Zhu Wu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry, Chinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
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43
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Liu X, Zhang K, Gao J, Chen Y, Tung C, Wu L. Monochromophore‐Based Phosphorescence and Fluorescence from Pure Organic Assemblies for Ratiometric Hypoxia Detection. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202007039] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Xiao‐Qin Liu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry, Chinese Academy of Sciences Beijing 100190 China
- Department of Chemistry North University of China Taiyuan 030051 China
| | - Ke Zhang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry, Chinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Jian‐Feng Gao
- Department of Chemistry North University of China Taiyuan 030051 China
| | - Yu‐Zhe Chen
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry, Chinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Chen‐Ho Tung
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry, Chinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Li‐Zhu Wu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry, Chinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
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44
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Feng C, Li S, Fu L, Xiao X, Xu Z, Liao Q, Wu Y, Yao J, Fu H. Breaking Kasha's Rule as a Mechanism for Solution-Phase Room-Temperature Phosphorescence from High-Lying Triplet Excited State. J Phys Chem Lett 2020; 11:8246-8251. [PMID: 32915577 DOI: 10.1021/acs.jpclett.0c02180] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Organic room-temperature phosphorescence (ORTP) has been demonstrated successfully in solids. In contrast, solution-phase ORTP is rarely achieved, because the T1 → S0 phosphorescence is too slow to compete against nonradiative decay and the oxygen-quenching effect. Here, we reported that suppression of Kasha's rule is a strategy to achieve solution-phase ORTP from the high-lying T2 state by spatially separating T2 and T1 on different parts of the molecule (CzCbDBT) composed of carbonyl (Cb), dibenzothiophene (DBT), and carbazole moiety (Cz). On one hand, intersystem crossing (ISC) is much faster from S1 to T2 than that to T1, owing to the small energy-gap ΔES1-T2 and large spin-orbital coupling ξS1-T2. On the other hand, T2 → T1 internal conversion is inhibited owing to spatial separation, i.e., T2 on CbDBT and T1 on Cz, respectively. Also, combination of very fast radiative decay from T2 to S0 owing to large ξT2-S0, the efficient solution-phase ORTP emission from the T2 state was finally achieved.
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Affiliation(s)
- Changfu Feng
- Institute of Molecule Plus, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, P. R. China
| | - Shuai Li
- Institute of Molecule Plus, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, P. R. China
| | - Liyuan Fu
- Beijing Key Laboratory for Optical Materials and Photonic Devices, Department of Chemistry, Capital Normal University, Beijing 100048, P. R. China
| | - Xiaoxiao Xiao
- Beijing Key Laboratory for Optical Materials and Photonic Devices, Department of Chemistry, Capital Normal University, Beijing 100048, P. R. China
| | - Zhenzhen Xu
- Beijing Key Laboratory for Optical Materials and Photonic Devices, Department of Chemistry, Capital Normal University, Beijing 100048, P. R. China
| | - Qing Liao
- Beijing Key Laboratory for Optical Materials and Photonic Devices, Department of Chemistry, Capital Normal University, Beijing 100048, P. R. China
| | - Yishi Wu
- Beijing Key Laboratory for Optical Materials and Photonic Devices, Department of Chemistry, Capital Normal University, Beijing 100048, P. R. China
| | - Jiannian Yao
- Institute of Molecule Plus, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, P. R. China
- Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Hongbing Fu
- Institute of Molecule Plus, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, P. R. China
- Beijing Key Laboratory for Optical Materials and Photonic Devices, Department of Chemistry, Capital Normal University, Beijing 100048, P. R. China
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45
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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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46
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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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47
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Nakamura S, Tsuboi M, Taniguchi T, Nishii Y, Tohnai N, Miura M. Room Temperature Phosphorescent Crystals Consisting of Cyclized Guests and Their Uncyclized Mother Host Molecules. CHEM LETT 2020. [DOI: 10.1246/cl.200278] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Shotaro Nakamura
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Madoka Tsuboi
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Taisei Taniguchi
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Yuji Nishii
- Frontier Research Base for Global Young Researchers, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Norimitsu Tohnai
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Masahiro Miura
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
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48
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Göbel D, Friedrich M, Lork E, Nachtsheim BJ. Clickable azide-functionalized bromoarylaldehydes - synthesis and photophysical characterization. Beilstein J Org Chem 2020; 16:1683-1692. [PMID: 32733611 PMCID: PMC7372231 DOI: 10.3762/bjoc.16.139] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Accepted: 06/30/2020] [Indexed: 12/05/2022] Open
Abstract
Herein, we present a facile synthesis of three azide-functionalized fluorophores and their covalent attachment as triazoles in Huisgen-type cycloadditions with model alkynes. Besides two ortho- and para-bromo-substituted benzaldehydes, the azide functionalization of a fluorene-based structure will be presented. The copper(I)-catalyzed azide–alkyne cycloaddition (CuAAC) of the so-synthesized azide-functionalized bromocarbaldehydes with terminal alkynes, exhibiting different degrees of steric demand, was performed in high efficiency. Finally, we investigated the photophysical properties of the azide-functionalized arenes and their covalently linked triazole derivatives to gain deeper insight towards the effect of these covalent linkers on the emission behavior.
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Affiliation(s)
- Dominik Göbel
- Institute for Organic and Analytical Chemistry, University of Bremen, Leobener Straße 7, 28359 Bremen, Germany
| | - Marius Friedrich
- Institute for Organic and Analytical Chemistry, University of Bremen, Leobener Straße 7, 28359 Bremen, Germany.,Department of Organic Chemistry, Technical University Kaiserslautern, Erwin-Schrödinger-Straße Geb.54, 67663 Kaiserslautern, Germany
| | - Enno Lork
- Institute for Inorganic and Crystallographic Chemistry, University of Bremen, Leobener Straße NW2, 28359 Bremen, Germany
| | - Boris J Nachtsheim
- Institute for Organic and Analytical Chemistry, University of Bremen, Leobener Straße 7, 28359 Bremen, Germany
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49
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Huang L, Qian C, Ma Z. Stimuli-Responsive Purely Organic Room-Temperature Phosphorescence Materials. Chemistry 2020; 26:11914-11930. [PMID: 32159896 DOI: 10.1002/chem.202000526] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 03/10/2020] [Indexed: 12/23/2022]
Abstract
This Minireview summarizes the recent progress of stimuli-responsive purely organic phosphorescence materials. Organic phosphorescence is closely related to the intermolecular interactions, because such interactions are beneficial to promote spin orbital coupling (SOC) and boost intersystem cross (ISC) efficiency and finally are conducive to satisfactory phosphorescence. It is found that the intermolecular interactions, which are essential for organic phosphorescence, are easily disturbed by external stimuli such as mechanical force, photon, acid, chemical vapor, leading to the luminescence change. According to this principle, various purely organic phosphorescence materials sensitive to external stimuli have been developed. This Minireview categorizes reported stimuli-responsive purely organic phosphorescence materials on the basis of different stimuli, including mechanochromism, mechanoluminescence, photoactivity, acid-responsiveness and other stimuli. Some prospective strategies for constructing stimuli-responsive purely organic phosphorescence molecules are provided.
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Affiliation(s)
- Lili Huang
- 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
| | - 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
| | - 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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50
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Sun H, Ding R, Lv S, Zhou S, Guo S, Qian Z, Feng H. Clustering-Triggered Ultralong Room-Temperature Phosphorescence of Organic Crystals through Halogen-Mediated Molecular Assembly. J Phys Chem Lett 2020; 11:4962-4969. [PMID: 32501714 DOI: 10.1021/acs.jpclett.0c01272] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
To achieve efficient room-temperature phosphorescence of organic materials with ultralong lifetime, it is imperative to resolve the dilemma that the introduction of heavy atoms simultaneously improves emission efficiencies and shortens the emission lifetimes. Herein, we report a new molecular design approach for halogenated luminogens with a methylene bridge to avoid the lifetime shortening induced by heavy halogens and propose a general molecular engineering strategy to realize efficient and ultralong room-temperature phosphorescence via halogen-mediated molecular clustering. The halogenated N-benzylcarbazole derivatives show distinct photophysical behaviors depending on different physical states, including single-molecule state and cluster state. Their crystals demonstrate the halogen-dependent emission duration of room-temperature phosphorescence upon excitation. Experimental data and theoretical analysis indicate that halogen-regulated molecular clustering in the crystal is responsible for the generation of efficient ultralong room-temperature phosphorescence, and halogen-dominated molecular engineering favors the promotion of the intersystem crossing process and the following triplet emissions.
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Affiliation(s)
- Huili Sun
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, People's Republic of China
| | - Riqing Ding
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, People's Republic of China
| | - Shanling Lv
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, People's Republic of China
| | - Shasha Zhou
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, People's Republic of China
| | - Sidan Guo
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, People's Republic of China
| | - Zhaosheng Qian
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, People's Republic of China
| | - Hui Feng
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, People's Republic of China
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