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Zhao YY, Li ZQ, Gong ZL, Bernhard S, Zhong YW. Endowing Metal-Organic Coordination Materials with Chiroptical Activity by a Chiral Anion Strategy. Chemistry 2024; 30:e202400685. [PMID: 38469986 DOI: 10.1002/chem.202400685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Revised: 03/07/2024] [Accepted: 03/12/2024] [Indexed: 03/13/2024]
Abstract
Recently, chiral metal-organic coordination materials have emerged as promising candidates for a wide range of applications in chiroptoelectronics, chiral catalysis, and information encryption, etc. Notably, the chiroptical effect of coordination chromophores makes them appealing for applications such as photodetectors, OLEDs, 3D displays, and bioimaging. The direct synthesis of chiral coordination materials using chiral organic ligands or complexes with metal-centered chirality is very often tedious and costly. In the case of ionic coordination materials, the combination of chiral anions with cationic, achiral coordination compounds through noncovalent interactions may endow molecular materials with desirable chiroptical properties. The use of such a simple chiral strategy has been proven effective in inducing promising circular dichroism and/or circularly polarized luminescence signals. This concept article mainly delves into the latest advances in exploring the efficacy of such a chiral anion strategy for transforming achiral coordination materials into chromophores with superb photo- or electro-chiroptical properties. In particular, ionic small-molecular metal complexes, metal clusters, coordination supramolecular assemblies, and metal-organic frameworks containing chiral anions are discussed. A perspective on the future opportunities on the preparation of chiroptical materials with the chiral anion strategy is also presented.
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Affiliation(s)
- Yuan-Yuan Zhao
- Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Zhong-Qiu Li
- Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Zhong-Liang Gong
- Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Stefan Bernhard
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania, 15213, United States of America
| | - Yu-Wu Zhong
- Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
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2
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Gong ZL, Dan TX, Chen JC, Li ZQ, Yao J, Zhong YW. Boost the Circularly Polarized Phosphorescence of Chiral Organometallic Platinum Complexes by Hierarchical Assembly into Fibrillar Networks. Angew Chem Int Ed Engl 2024:e202402882. [PMID: 38594208 DOI: 10.1002/anie.202402882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 04/06/2024] [Accepted: 04/09/2024] [Indexed: 04/11/2024]
Abstract
Circularly polarized luminescence (CPL)-active molecular materials have drawn increasing attention due to their promising applications for next-generation display and optoelectronic technologies. Currently, it is challenging to obtain CPL materials with both large luminescence dissymmetry factor (glum) and high quantum yield (Φ). A pair of enantiomeric N N C-type Pt(II) complexes (L/D)-1 modified with chiral Leucine methyl ester are presented herein. Though the solutions of these complexes are CPL-inactive, the spin-coated thin films of (L/D)-1 exhibit giantly-amplified circularly polarized phosphorescences with |glum| of 0.53 at 560 nm and Φair of ~50 %, as well as appealing circular dichroism (CD) signals with the maximum absorption dissymmetry factor |gabs| of 0.37-0.43 at 480 nm. This superior CPL performance benefits from the hierarchical formation of crystalline fibrillar networks upon spin coating. Comparative studies of another pair of chiral Pt(II) complexes (L/D)-2 with a symmetric N C N coordination mode suggest that the asymmetric N N C coordination of (L/D)-1 are favorable for the efficient exciton delocalization to amplify the CPL performance. Optical applications of the thin films of (L/D)-1 in CPL-contrast imaging and inducing CP light generation from achiral emitters and common light-emitting diode lamps have been successfully realized.
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Affiliation(s)
- Zhong-Liang Gong
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Ti-Xiong Dan
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, 100190, China
| | - Jian-Cheng Chen
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, 100190, China
| | - Zhong-Qiu Li
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Jiannian Yao
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, 100190, China
| | - Yu-Wu Zhong
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, 100190, China
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3
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Liu RR, Gu SZ, Zhou T, Lin LZ, Chen WC, Zhong DS, Liu TS, Yang N, Shen L, Xu SY, Lu N, Zhang Y, Gong ZL, Xu JM. [A phase I study of subcutaneous envafolimab (KN035) monotherapy in Chinese patients with advanced solid tumors]. Zhonghua Zhong Liu Za Zhi 2023; 45:898-903. [PMID: 37875426 DOI: 10.3760/cma.j.cn112152-20220530-00373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 10/26/2023]
Abstract
Objective: To evaluate the safety and antitumor activity of envafolimab monotherapy in Chinese patients with advanced solid tumors. Methods: This open-label, multicenter phase I trial included dose escalation and dose expansion phases. In the dose escalation phase, patients received subcutaneous 0.1, 0.3, 1.0, 2.5, 5.0 or 10.0 mg/kg envafolimab once weekly (QW) following a modified "3+ 3" design. The dose expansion phase was performed in the 2.5 mg/kg and 5.0 mg/kg (QW) dose cohorts. Results: At November 25, 2019, a total of 287 patients received envafolimab treatment. During the dose escalation phase, no dose-limiting toxicities (DLT) was observed. In all dose cohorts, drug-related treatment-emergent adverse events (TEAEs) for all grades occurred in 75.3% of patients, and grade 3 or 4 occurred in 20.6% of patients. The incidence of immune-related adverse reactions (irAE) was 24.0% for all grades, the most common irAEs (≥2%) included hypothyroidism, hyperthyroidism, immune-associated hepatitis and rash. The incidence of injection site reactions was low (3.8%), all of which were grades 1-2. Among the 216 efficacy evaluable patients, the objective response rate (ORR) and disease control rate (DCR) were 11.6% and 43.1%, respectively. Median duration of response was 49.1 weeks (95% CI: 24.0, 49.3). Pharmacokinetic (PK) exposure to envafolimab is proportional to dose and median time to maximum plasma concentration is 72-120 hours based on the PK results from the dose escalation phase of the study. Conclusion: Subcutaneous envafolimab has a favorable safety and promising preliminary anti-tumor activity in Chinese patients with advanced solid tumors.
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Affiliation(s)
- R R Liu
- Department of Medical Oncology, Senior Department of Oncology, the Fifth Medical Center of PLA General Hospital, Beijing 100071, China
| | - S Z Gu
- Department of Interventional Radiology, Hunan Cancer Hospital, Changsha 410031, China
| | - T Zhou
- Department of Urology, Changhai Hospital of Shanghai, Shanghai 200433, China
| | - L Z Lin
- Cancer Center, the First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510405, China
| | - W C Chen
- Department of Gastroenterology, First Affiliated Hospital to Soochow University, Suzhou 215006, China
| | - D S Zhong
- Department of Medical Oncology, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - T S Liu
- Department of Medical Oncology, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - N Yang
- Lung Cancer and Gastrointestinal Unit, Hunan Cancer Hospital, Changsha 410031, China
| | - L Shen
- Department of Gastrointestinal Oncology, Peking University Cancer Hospital, Beijing 100142, China
| | - S Y Xu
- 3D Medicines Co. Ltd, Chengdu 610036, China
| | - N Lu
- 3D Medicines Co. Ltd, Chengdu 610036, China
| | - Y Zhang
- 3D Medicines Co. Ltd, Chengdu 610036, China
| | - Z L Gong
- 3D Medicines Co. Ltd, Chengdu 610036, China
| | - J M Xu
- Department of Medical Oncology, Senior Department of Oncology, the Fifth Medical Center of PLA General Hospital, Beijing 100071, China
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Wu SH, Zhang Z, Zheng RH, Yang R, Wang L, Shao JY, Gong ZL, Zhong YW. Dual-Emissive Monoruthenium Complexes of N(CH 3)-Bridged Ligand: Synthesis, Characterization, and Substituent Effect. Materials (Basel) 2023; 16:6792. [PMID: 37895773 PMCID: PMC10607950 DOI: 10.3390/ma16206792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Revised: 10/13/2023] [Accepted: 10/19/2023] [Indexed: 10/29/2023]
Abstract
Three monoruthenium complexes 1(PF6)2-3(PF6)2 bearing an N(CH3)-bridged ligand have been synthesized and characterized. These complexes have a general formula of [Ru(bpy)2(L)](PF6)2, where L is a 2,5-di(N-methyl-N'-(pyrid-2-yl)amino)pyrazine (dapz) derivative with various substituents, and bpy is 2,2'-bipyridine. The photophysical and electrochemical properties of these compounds have been examined. The solid-state structure of complex 3(PF6)2 is studied by single-crystal X-ray analysis. These complexes show two well-separated emission bands centered at 451 and 646 nm (Δλmax = 195 nm) for 1(PF6)2, 465 and 627 nm (Δλmax = 162 nm) for 2(PF6)2, and 455 and 608 nm (Δλmax = 153 nm) for 3(PF6)2 in dilute acetonitrile solution, respectively. The emission maxima of the higher-energy emission bands of these complexes are similar, while the lower-energy emission bands are dependent on the electronic nature of substituents. These complexes display two consecutive redox couples owing to the stepwise oxidation of the N(CH3)-bridged ligand and ruthenium component. Moreover, these experimental observations are analyzed by computational investigation.
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Affiliation(s)
- Si-Hai Wu
- School of Medicine, Huaqiao University, Quanzhou 362021, China; (Z.Z.); (R.-H.Z.); (R.Y.)
| | - Zhe Zhang
- School of Medicine, Huaqiao University, Quanzhou 362021, China; (Z.Z.); (R.-H.Z.); (R.Y.)
| | - Ren-Hui Zheng
- School of Medicine, Huaqiao University, Quanzhou 362021, China; (Z.Z.); (R.-H.Z.); (R.Y.)
| | - Rong Yang
- School of Medicine, Huaqiao University, Quanzhou 362021, China; (Z.Z.); (R.-H.Z.); (R.Y.)
| | - Lianhui Wang
- School of Medicine, Huaqiao University, Quanzhou 362021, China; (Z.Z.); (R.-H.Z.); (R.Y.)
| | - Jiang-Yang Shao
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China; (J.-Y.S.); (Y.-W.Z.)
| | - Zhong-Liang Gong
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China; (J.-Y.S.); (Y.-W.Z.)
| | - Yu-Wu Zhong
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China; (J.-Y.S.); (Y.-W.Z.)
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5
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Li ZQ, Wang YD, Shao JY, Zhou Z, Gong ZL, Zhang C, Yao J, Zhong YW. Electrically Amplified Circularly Polarized Luminescence by a Chiral Anion Strategy. Angew Chem Int Ed Engl 2023; 62:e202302160. [PMID: 36929027 DOI: 10.1002/anie.202302160] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 03/15/2023] [Accepted: 03/15/2023] [Indexed: 03/17/2023]
Abstract
The development of circularly polarized electroluminescence (CPEL) is currently hampered by the high difficulty and cost in the syntheses of suitable chiral materials and the notorious chirality diminishment issue in electrical devices. Herein, diastereomeric Ir(III) and Ru(II) complexes with chiral (+/-)-camphorsulfonate counteranions are readily synthesized and used as the active materials in circularly polarized light-emitting electrochemical cells to generate promising CPELs. The addition of the chiral ionic liquid (+/-)-1-butyl-3-methylimidazole camphorsulfonate into the active layer significantly improves the device performance and the electroluminescence dissymmetry factors (~10-3), in stark contrast to the very weak circularly polarized photoluminescence of the spin-coated films of these diastereomeric complexes. Control experiments with enantiopure Ir(III) complexes suggest that the chiral anions play a dominant role in the electrically-induced amplification of CPELs.
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Affiliation(s)
- Zhong-Qiu Li
- Institute of Chemistry CAS: Institute of Chemistry Chinese Academy of Sciences, Laboratory of Photochemistry, CHINA
| | - Yu-Duan Wang
- Institute of Chemistry Chinese Academy of Sciences, Laboratory of Photochemistry, CHINA
| | - Jiang-Yang Shao
- Institute of Chemistry Chinese Academy of Sciences, laboratory of photochemistry, CHINA
| | - Zeyang Zhou
- Institute of Chemistry Chinese Academy of Sciences, laboratory of photochemistry, CHINA
| | - Zhong-Liang Gong
- Institute of Chemistry Chinese Academy of Sciences, laboratory of photochemistry, CHINA
| | - Chuang Zhang
- Institute of Chemistry Chinese Academy of Sciences, laboratory of photochemistry, CHINA
| | - Jiannian Yao
- Institute of Chemistry Chinese Academy of Sciences, laboratory of photochemistry, CHINA
| | - Yu-Wu Zhong
- Chinese Academy of Sciences, Institute of Chemistry, 2 Bei Yi Jie, Zhong Guan Cun, 100190, Beijing, CHINA
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6
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Li ZQ, Wang YD, Shao JY, Zhou Z, Gong ZL, Zhang C, Yao J, Zhong YW. Electrically Amplified Circularly Polarized Luminescence by a Chiral Anion Strategy. Angew Chem Int Ed Engl 2023. [DOI: 10.1002/ange.202302160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
Affiliation(s)
- Zhong-Qiu Li
- Institute of Chemistry CAS: Institute of Chemistry Chinese Academy of Sciences Laboratory of Photochemistry CHINA
| | - Yu-Duan Wang
- Institute of Chemistry Chinese Academy of Sciences Laboratory of Photochemistry CHINA
| | - Jiang-Yang Shao
- Institute of Chemistry Chinese Academy of Sciences laboratory of photochemistry CHINA
| | - Zeyang Zhou
- Institute of Chemistry Chinese Academy of Sciences laboratory of photochemistry CHINA
| | - Zhong-Liang Gong
- Institute of Chemistry Chinese Academy of Sciences laboratory of photochemistry CHINA
| | - Chuang Zhang
- Institute of Chemistry Chinese Academy of Sciences laboratory of photochemistry CHINA
| | - Jiannian Yao
- Institute of Chemistry Chinese Academy of Sciences laboratory of photochemistry CHINA
| | - Yu-Wu Zhong
- Chinese Academy of Sciences Institute of Chemistry 2 Bei Yi Jie, Zhong Guan Cun 100190 Beijing CHINA
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7
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Zhao JY, Xu FF, Li ZQ, Gong ZL, Zhong YW, Yao J. Molecular Cocrystals with Hydrogen-Bonded Polymeric Structures and Polarized Luminescence. Materials (Basel) 2022; 15:7247. [PMID: 36295313 PMCID: PMC9609709 DOI: 10.3390/ma15207247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 09/26/2022] [Accepted: 10/04/2022] [Indexed: 06/16/2023]
Abstract
Crystalline materials with appealing luminescent properties are attractive materials for various optoelectronic applications. The in situ bicomponent reaction of 1,2-ethylenedisulfonic acid with 1,4-di(pyrid-2-yl)benzene, 1,4-di(pyrid-3-yl)benzene, or 1,4-di(pyrid-4-yl)benzene affords luminescent crystals with hydrogen-bonded polymeric structures. Variations in the positions of the pyridine nitrogen atoms lead to alternating polymeric structures with either a ladder- or zigzag-type of molecular arrangement. By using a nanoprecipitation method, microcrystals of these polymeric structures are prepared, showing polarized luminescence with a moderate degree of polarization.
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Affiliation(s)
- Jing-Yi Zhao
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Fa-Feng Xu
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Zhong-Qiu Li
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Zhong-Liang Gong
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Yu-Wu Zhong
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jiannian Yao
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
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8
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Li ZQ, Ma DX, Xu FF, Dan TX, Gong ZL, Shao JY, Zhao YS, Yao J, Zhong YW. Selective, Anisotropic, or Consistent Polarized‐Photon Out‐Coupling of 2D Organic Microcrystals. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202205033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Zhong-Qiu Li
- Institute of Chemistry Chinese Academy of Sciences Laboratory of Photochemistry CHINA
| | - Dian-Xue Ma
- Institute of Chemistry Chinese Academy of Sciences Laboratory of Photochemistry CHINA
| | - Fa-Feng Xu
- Institute of Chemistry Chinese Academy of Sciences Laboratory of Photochemistry CHINA
| | - Ti-Xiong Dan
- Institute of Chemistry Chinese Academy of Sciences Laboratory of Photochemistry CHINA
| | - Zhong-Liang Gong
- Institute of Chemistry Chinese Academy of Sciences Laboratory of Photochemistry CHINA
| | - Jiang-Yang Shao
- Institute of Chemistry Chinese Academy of Sciences Laboratory of Photochemistry CHINA
| | - Yong Sheng Zhao
- Institute of Chemistry Chinese Academy of Sciences Laboratory of Photochemistry CHINA
| | - Jiannian Yao
- Institute of Chemistry Chinese Academy of Sciences Laboratory of Photochemistry CHINA
| | - Yu-Wu Zhong
- Chinese Academy of Sciences Institute of Chemistry 2 Bei Yi Jie, Zhong Guan Cun 100190 Beijing CHINA
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9
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Xu FF, Zeng W, Sun MJ, Gong ZL, Li ZQ, Zhao YS, Yao J, Zhong YW. Organoplatinum(II) Cruciform: A Versatile Building Block to Fabricate 2D Microcrystals with Full-Color and White Phosphorescence and Anisotropic Photon Transport. Angew Chem Int Ed Engl 2022; 61:e202116603. [PMID: 35020259 DOI: 10.1002/anie.202116603] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Indexed: 12/11/2022]
Abstract
Conventional square-planar platinum complexes typically form one-dimensional assemblies as a result of unidirectional metallophilic and/or π⋅⋅⋅π intermolecular interactions. Organoplatinum(II) complexes with a cruciform shape are presented herein to construct two-dimensional (2D) microcrystals with full-color and white phosphorescence. These 2D crystals show unique monocomponent π⋅⋅⋅π stacking, from either the cyclometalating or noncyclometalating ligand, and the bicomponent alternate π⋅⋅⋅π stacking from both ligands along different facet directions. Anisotropic tri-directional waveguiding is further implemented on a single hexagonal microcrystal. These results demonstrate the great capability of the organoplatinum(II) cruciform as a general platform to fabricate 2D phosphorescent micro-/nanocrystals for advanced photonic applications.
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Affiliation(s)
- Fa-Feng Xu
- Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Science, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Wei Zeng
- Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Science, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.,School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Meng-Jia Sun
- Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Science, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.,School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Zhong-Liang Gong
- Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Science, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Zhong-Qiu Li
- Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Science, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Yong Sheng Zhao
- Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Science, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.,School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Jiannian Yao
- Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Science, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.,School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yu-Wu Zhong
- Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Science, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.,School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
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10
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Xu FF, Zeng W, Sun MJ, Gong ZL, Li ZQ, Zhao YS, Yao J, Zhong YW. Organoplatinum(II) Cruciform: A Versatile Building Block to Fabricate 2D Microcrystals with Full‐Color and White Phosphorescence and Anisotropic Photon Transport. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202116603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Fa-Feng Xu
- Institute of Chemistry Chinese Academy of Sciences Key laboratory of photochemistry CHINA
| | - Wei Zeng
- Institute of Chemistry Chinese Academy of Sciences Key laboratory of photochemistry CHINA
| | - Meng-Jia Sun
- Institute of Chemistry Chinese Academy of Sciences Key laboratory of photochemistry CHINA
| | - Zhong-Liang Gong
- Institute of Chemistry Chinese Academy of Sciences Key laboratory of photochemistry CHINA
| | - Zhong-Qiu Li
- Institute of Chemistry Chinese Academy of Sciences Key laboratory of photochemistry CHINA
| | - Yong Sheng Zhao
- Institute of Chemistry Chinese Academy of Sciences Key laboratory of photochemistry CHINA
| | - Jiannian Yao
- Institute of Chemistry Chinese Academy of Sciences key laboratory of photochemistry CHINA
| | - Yu-Wu Zhong
- Chinese Academy of Sciences Institute of Chemistry 2 Bei Yi Jie, Zhong Guan Cun 100190 Beijing CHINA
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11
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Li R, Gong ZL, Zhu Q, Sun MJ, Che Y, Yao J, Zhong YW. A pre-organized monomer-reservoir strategy to prepare multidimensional phosphorescent organoplatinum nanocrystals and suprastructures. Sci China Chem 2021. [DOI: 10.1007/s11426-021-1129-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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12
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Gong ZL, Zhu X, Zhou Z, Zhang SW, Yang D, Zhao B, Zhang YP, Deng J, Cheng Y, Zheng YX, Zang SQ, Kuang H, Duan P, Yuan M, Chen CF, Zhao YS, Zhong YW, Tang BZ, Liu M. Frontiers in circularly polarized luminescence: molecular design, self-assembly, nanomaterials, and applications. Sci China Chem 2021. [DOI: 10.1007/s11426-021-1146-6] [Citation(s) in RCA: 74] [Impact Index Per Article: 24.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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13
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Wu SH, Yang R, Sun B, Tang JH, Gong ZL, Ma J, Wang L, Liu J, Ma DX, Shao JY, Zhong YW. Dual-Emissive Tris-Heteroleptic Ruthenium Complexes: Tuning the DNA-Triggered Ratiometric Emission Response by Ancillary Ligands. Inorg Chem 2021; 60:14810-14819. [PMID: 34546744 DOI: 10.1021/acs.inorgchem.1c02077] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Three tris-heteroleptic mononuclear Ru(II) complexes with dual fluorescence and phosphorescence-[Ru(dpma)(bpy)(phen)]2+ (12+), [Ru(dpma)(bpy)(dppz)]2+ (22+), and [Ru(dpma)(phen)(dppz)]2+ (32+)-have been designed and used as ratiometric light-response probes for DNA, where dpma is di(pyrid-2-yl)(methyl)-amine, bpy is 2,2'-bipyridine, phen is 1,10-phenanthroline, and dppz is dipyridophenazine, respectively. Single crystals of complex 2(PF6)2 have been obtained and studied by X-ray analysis. The interactions of these complexes with different DNAs are investigated by means of spectroscopic methods, viscosity measurements, and molecular modeling. In the presence of calf thymus DNA, complexes 2(PF6)2 and 3(PF6)2 show the emergence of a new lower-energy phosphorescence emission band; meanwhile, the higher-energy fluorescence emission band is essentially unchanged, functioning as an intrinsic internal reference. These two complexes exhibit stronger preference for calf thymus DNA over single-strand DNA (d(A)16 and d(C)16). In contrast, no binding interaction between 1(PF6)2 and calf thymus DNA is observed. The intrinsic binding constants (Kb) of 2(PF6)2 and 3(PF6)2 with calf thymus DNA are determined to be (1.4 ± 0.4) × 105 and (9.5 ± 0.15) × 104 M-1, respectively. In addition, these spectroscopic results are compared with those of the prototype complex [Ru(bpy)2(dppz)]2+ (42+), and density functional theory and time-dependent density functional theory calculations are employed to elucidate these experimental findings.
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Affiliation(s)
- Si-Hai Wu
- School of Medicine, Huaqiao University, Quanzhou, Fujian 362021, China
| | - Rong Yang
- School of Medicine, Huaqiao University, Quanzhou, Fujian 362021, China
| | - Bin Sun
- Institute of BioPharmaceutical Research, Liaocheng University, Liaocheng 252000, China
| | - Jian-Hong Tang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Zhong-Liang Gong
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Junjie Ma
- School of Medicine, Huaqiao University, Quanzhou, Fujian 362021, China
| | - Lianhui Wang
- School of Medicine, Huaqiao University, Quanzhou, Fujian 362021, China
| | - Jieqing Liu
- School of Medicine, Huaqiao University, Quanzhou, Fujian 362021, China
| | - Dian-Xue Ma
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Jiang-Yang Shao
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Yu-Wu Zhong
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.,School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
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14
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Li ZQ, Gong ZL, Shao JY, Yao J, Zhong YW. Full-Color and White Circularly Polarized Luminescence of Hydrogen-Bonded Ionic Organic Microcrystals. Angew Chem Int Ed Engl 2021; 60:14595-14600. [PMID: 33822449 DOI: 10.1002/anie.202103091] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 04/01/2021] [Indexed: 01/08/2023]
Abstract
A simple and general method is presented herein for the in situ preparations of circularly polarized luminescence (CPL)-active microcrystals with a large luminescence dissymmetry factor glum , high fluorescence quantum efficiency (ΦFL ), wide emission color tenability, and well-ordered morphology. The reactions of pyridine-containing achiral molecules 1-7 with chiral camphor sulfonic acid ((±)-CSA) gave crystalline microplates formed by hydrogen bonding interactions between the protonated pyridinium units and the sulfonic anions. The chiral information of CSA are effectively transferred to the microcrystals by hydrogen bonding to afford full-color CPL from deep-blue to red with glum in the order of 10-2 and ΦFL up to 80 %. Moreover, organic microcrystals with high-performance white CPL (ΦFL =46 %; |glum |=0.025) are achieved via the light-harvesting energy transfer between blue and yellow emitters.
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Affiliation(s)
- Zhong-Qiu Li
- Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.,School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Zhong-Liang Gong
- Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Jiang-Yang Shao
- Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Jiannian Yao
- Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.,School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yu-Wu Zhong
- Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.,School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
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15
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Gong ZL, Tang K, Zhong YW. A Carbazole-Bridged Biscyclometalated Diplatinum Complex: Synthesis, Characterization, and Dual-Mode Aggregation-Enhanced Phosphorescence. Inorg Chem 2021; 60:6607-6615. [PMID: 33861581 DOI: 10.1021/acs.inorgchem.1c00403] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A cationic carbazole-bridged biscyclometalated diplatinum complex 4 has been synthesized and characterized. Single-crystal X-ray analysis demonstrates that complex 4 displays a dimeric structure with noncovalent π-π stacking and unique double Pt-Pt interactions. In aerated dilute CH3CN, complex 4 is characterized by a very weak monomeric yellow emission (λemi = 547 nm; Φ = 0.51%), which is attributed to the triplet intraligand (3LC) excited state mixing with some charge transfer characters. In contrast, under aerated conditions, the dispersion of 4 in a mixed solvent of CH3CN/Et2O (1/9, v/v) or CH3CN/H2O (1/9, v/v) displays intense yellow (λemi = 550 nm; Φ = 35.5%; τ = 11.10 μs) and red emission (λemi = 635 nm; Φ = 14.1%; τ = 7.00 μs), respectively. These aggregation-induced phosphorescent emission enhancements are considered being caused by the oxygen-shielding effect and the molecular rigidification-induced decrease of nonradiative decays in the aggregate state. The morphology and size of the aggregates under these two conditions are examined by scanning electron microscope and dynamic light scattering analysis. The absorption and emission properties of 4 are further rationalized by time-dependent density functional theory calculations on a model compound.
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Affiliation(s)
- Zhong-Liang Gong
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Kun Tang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.,School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yu-Wu Zhong
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.,School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
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16
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Zeng W, Sun MJ, Gong ZL, Shao JY, Zhong YW, Yao J. Effect of the Fluoro-Substituent Position on the Crystal Structure and Photoluminescence of Microcrystals of Platinum β-Diketonate Complexes. Inorg Chem 2020; 59:11316-11328. [PMID: 32799462 DOI: 10.1021/acs.inorgchem.0c00887] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Molecular packing has an important effect on the photophysical properties of crystalline materials. We demonstrate in this work the modulation of molecular packing and emission properties of microcrystals by minor molecular structural variations. Four platinum β-diketonate complexes, with two fluoro substituents (1) or one fluoro atom substituted on different positions of the auxiliary phenylpyridine ligand (2-4) have been synthesized. These complexes were used to prepare one-dimensional microcrystals with well-defined shapes and uniform sizes. Although 1-4 display similar emission spectra in the solution state, the corresponding microcrystals display different emission colors from green to yellow and orange. In addition, different temperature-responsive (80-298 K) emission spectral changes have been observed from these microcrystals, including the intensity variation of the locally excited (LE) emission without obvious wavelength shifts, competition between the LE and metal-metal-to-ligand charge-transfer emissions, and the sole wavelength shift of the π-π excimer emissions. These differences in emission properties are rationalized by different molecular packings of these materials, as revealed by single-crystal X-ray analyses.
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Affiliation(s)
- Wei Zeng
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China.,School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Meng-Jia Sun
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
| | - Zhong-Liang Gong
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
| | - Jiang-Yang Shao
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
| | - Yu-Wu Zhong
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China.,School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Jiannian Yao
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China.,School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
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17
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Abstract
This review discusses the fundamentals and design strategies for the development of thermo-responsive metal–ligand coordination materials and the applications of these materials in temperature sensing, bioimaging, information security, etc.
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Affiliation(s)
- Rui Li
- Beijing National Laboratory for Molecular Sciences
- CAS Key Laboratory of Photochemistry
- CAS Research/Education Center for Excellence in Molecular Sciences
- Institute of Chemistry
- Chinese Academy of Sciences
| | - Fa-Feng Xu
- Beijing National Laboratory for Molecular Sciences
- CAS Key Laboratory of Photochemistry
- CAS Research/Education Center for Excellence in Molecular Sciences
- Institute of Chemistry
- Chinese Academy of Sciences
| | - Zhong-Liang Gong
- Beijing National Laboratory for Molecular Sciences
- CAS Key Laboratory of Photochemistry
- CAS Research/Education Center for Excellence in Molecular Sciences
- Institute of Chemistry
- Chinese Academy of Sciences
| | - Yu-Wu Zhong
- Beijing National Laboratory for Molecular Sciences
- CAS Key Laboratory of Photochemistry
- CAS Research/Education Center for Excellence in Molecular Sciences
- Institute of Chemistry
- Chinese Academy of Sciences
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18
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Shao JY, Wu SH, Ma J, Gong ZL, Sun TG, Jin Y, Yang R, Sun B, Zhong YW. Ratiometric detection of amyloid-β aggregation by a dual-emissive tris-heteroleptic ruthenium complex. Chem Commun (Camb) 2020; 56:2087-2090. [DOI: 10.1039/c9cc08909h] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
A dual-emissive tris-heteroleptic ruthenium complex is reported for the ratiometric photoluminescent detection of amyloid-β aggregation in steady and transient states.
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Affiliation(s)
- Jiang-Yang Shao
- School of Medicine
- Huaqiao University
- Quanzhou
- China
- Beijing National Laboratory for Molecular Sciences
| | - Si-Hai Wu
- School of Medicine
- Huaqiao University
- Quanzhou
- China
| | - Junjie Ma
- School of Medicine
- Huaqiao University
- Quanzhou
- China
| | - Zhong-Liang Gong
- Beijing National Laboratory for Molecular Sciences
- CAS Key Laboratory of Photochemistry
- CAS Research/Education Center for Excellence in Molecular Sciences
- Institute of Chemistry
- Chinese Academy of Sciences
| | - Tian-Ge Sun
- Beijing National Laboratory for Molecular Sciences
- CAS Key Laboratory of Photochemistry
- CAS Research/Education Center for Excellence in Molecular Sciences
- Institute of Chemistry
- Chinese Academy of Sciences
| | - Yulong Jin
- Beijing National Laboratory for Molecular Sciences
- CAS Key Laboratory of Photochemistry
- CAS Research/Education Center for Excellence in Molecular Sciences
- Institute of Chemistry
- Chinese Academy of Sciences
| | - Rong Yang
- School of Medicine
- Huaqiao University
- Quanzhou
- China
| | - Bin Sun
- Institute of BioPharmaceutical Research
- Liaocheng University
- Liaocheng 252000
- China
| | - Yu-Wu Zhong
- Beijing National Laboratory for Molecular Sciences
- CAS Key Laboratory of Photochemistry
- CAS Research/Education Center for Excellence in Molecular Sciences
- Institute of Chemistry
- Chinese Academy of Sciences
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19
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Xu FF, Gong ZL, Zhong YW, Yao J, Zhao YS. Wavelength-Tunable Single-Mode Microlasers Based on Photoresponsive Pitch Modulation of Liquid Crystals for Information Encryption. Research (Wash D C) 2020; 2020:6539431. [PMID: 33623907 PMCID: PMC7877376 DOI: 10.34133/2020/6539431] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Accepted: 11/03/2020] [Indexed: 01/23/2023]
Abstract
Information encryption and decryption have attracted particular attention; however, the applications are frequently restricted by limited coding capacity due to the indistinguishable broad photoluminescence band of conventional stimuli-responsive fluorescent materials. Here, we present a concept of confidential information encryption with photoresponsive liquid crystal (LC) lasing materials, which were used to fabricate ordered microlaser arrays through a microtemplate-assisted inkjet printing method. LC microlasers exhibit narrow-bandwidth single-mode emissions, and the wavelength of LC microlasers was reversibly modulated based on the optical isomerization of the chiral dopant in LCs. On this basis, we demonstrate phototunable information authentication on LC microlaser arrays using the wavelength of LC microlasers as primary codes. These results provide enlightenment for the implementation of microlaser-based cryptographic primitives for information encryption and anticounterfeiting applications.
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Affiliation(s)
- Fa-Feng Xu
- Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhong-Liang Gong
- Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yu-Wu Zhong
- Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jiannian Yao
- Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yong Sheng Zhao
- Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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20
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Zhou Y, Jiang CQ, Qian Q, Zhang W, Wang XW, Zhang L, Yu XQ, Ding Z, Gong ZL, You SP. [A rare case of spontaneous transvaginal evisceration]. Zhonghua Wei Chang Wai Ke Za Zhi 2019; 22:1085-1086. [PMID: 31770841 DOI: 10.3760/cma.j.issn.1671-0274.2019.11.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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21
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22
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Zhang SQ, Cheng LX, Gong ZL, Duan WB, Tu B, Zhong YW, Zeng QD. Temperature-Triggered Self-Assembled Structural Transformation: From Pure Hydrogen-Bonding Quadrilateral Nanonetwork to Trihexagonal Structures. Langmuir 2019; 35:6571-6577. [PMID: 31002519 DOI: 10.1021/acs.langmuir.9b00666] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Adequate control over the structures of molecular building blocks plays an important role in the fabrication of desired supramolecular nanostructures at interfaces. In this study, the formation of a pure hydrogen-bonding co-assembly supramolecular nanonetwork on a highly oriented pyrolytic graphite surface was demonstrated by means of a scanning tunneling microscope. The thermal annealing process was conducted to monitor the temperature-triggered structural transformation of the self-assembled nanonetwork. On the basis of the single-molecule-level resolution scanning tunneling microscopy images, together with the density functional theory calculations, the formation mechanisms of the formed nanoarrays were proposed. The results have great significance with regard to controlled construction of complex nanostructures on the surface.
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Affiliation(s)
- Si-Qi Zhang
- Department of Chemistry, School of Science , Beijing Jiaotong University , Beijing 100044 , P. R. China
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience , National Center for Nanoscience and Technology (NCNST) , Beijing 100190 , P. R. China
| | - Lin-Xiu Cheng
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience , National Center for Nanoscience and Technology (NCNST) , Beijing 100190 , P. R. China
- Center of Materials Science and Optoelectonics Engineering , University of Chinese Academy of Sciences , Beijing 100049 , P. R. China
| | - Zhong-Liang Gong
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, Institute of Chemistry , Chinese Academy of Sciences , Beijing 100190 , P. R. China
| | - Wu-Biao Duan
- Department of Chemistry, School of Science , Beijing Jiaotong University , Beijing 100044 , P. R. China
| | - Bin Tu
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience , National Center for Nanoscience and Technology (NCNST) , Beijing 100190 , P. R. China
| | - Yu-Wu Zhong
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, Institute of Chemistry , Chinese Academy of Sciences , Beijing 100190 , P. R. China
| | - Qing-Dao Zeng
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience , National Center for Nanoscience and Technology (NCNST) , Beijing 100190 , P. R. China
- Center of Materials Science and Optoelectonics Engineering , University of Chinese Academy of Sciences , Beijing 100049 , P. R. China
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23
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Yao CJ, Zhao K, Long G, Li X, Gong ZL, Zhong YW, Gao W, Li Y, Ganguly R, Li G, Zhang Q. Synthesis, characterization and photophysical studies of a novel polycyclic diborane. NEW J CHEM 2019. [DOI: 10.1039/c8nj05550e] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A long polycyclic diborane (4) with a dihedral angle of 21.75° between the two naphthalene rings has been successfully prepared and fully characterized.
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24
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Tang JH, Sun Y, Gong ZL, Li ZY, Zhou Z, Wang H, Li X, Saha ML, Zhong YW, Stang PJ. Temperature-Responsive Fluorescent Organoplatinum(II) Metallacycles. J Am Chem Soc 2018; 140:7723-7729. [PMID: 29782153 PMCID: PMC6385588 DOI: 10.1021/jacs.8b04452] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The synthesis, characterization, and temperature-responsive properties of two fluorescent organoplatinum(II) metallacycles are reported. Metallacycles M1 and M2 were prepared via the coordination-driven self-assembly of a 120° triarylamine ligand L1 and a 120° diplatinum(II) acceptor Pt-1 or 180° diplatinum(II) acceptor Pt-2, respectively. M1 and M2 are hexagonal metallacycles, comprising of three or six freely rotating anthracene pendants on their periphery, respectively. In response to the temperature variation between -20 and 60 °C, the ligand displays irregular emission changes, whereas both metallacycles show reversible absorption and emission spectral changes in THF. The changes in their green emission intensity also exhibit a linear correlation with the temperature variation, with an average sensitivity of -0.67% and -0.77% per °C for M1 and M2, respectively. Furthermore, in coordinating solvents, such as DMF and CH3CN, M1 and M2 show different behaviors: in the lower temperature range, i.e., below 30 °C, their spectral changes are similar to those observed in THF; however, at a higher temperature the metallacycles were presumably destroyed by the solvents and displayed ratiometric fluorescent responses, including a cyan emission of the ligand L1.
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Affiliation(s)
- Jian-Hong Tang
- Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- Department of Chemistry, University of Utah, 315 South 1400 East, Room 2020, Salt Lake City, Utah 84112, United States
| | - Yue Sun
- Department of Chemistry, University of Utah, 315 South 1400 East, Room 2020, Salt Lake City, Utah 84112, United States
| | - Zhong-Liang Gong
- Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Zhong-Yu Li
- Department of Chemistry, University of Utah, 315 South 1400 East, Room 2020, Salt Lake City, Utah 84112, United States
| | - Zhixuan Zhou
- Department of Chemistry, University of Utah, 315 South 1400 East, Room 2020, Salt Lake City, Utah 84112, United States
| | - Heng Wang
- Department of Chemistry, University of South Florida, 4202 East Fowler Avenue, Tampa, Florida 33620, United States
| | - Xiaopeng Li
- Department of Chemistry, University of South Florida, 4202 East Fowler Avenue, Tampa, Florida 33620, United States
| | - Manik Lal Saha
- Department of Chemistry, University of Utah, 315 South 1400 East, Room 2020, Salt Lake City, Utah 84112, United States
| | - Yu-Wu Zhong
- Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Peter J. Stang
- Department of Chemistry, University of Utah, 315 South 1400 East, Room 2020, Salt Lake City, Utah 84112, United States
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25
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Feng J, Shao JY, Nie HJ, Gong ZL, Zhong YW. Synthesis and electrochemical and spectroscopic studies of a N , N , N' , N' -tetraphenylbenzidine-bridged bis(2,2 ' -bipyridine) ligand and diruthenium complex. CHINESE CHEM LETT 2018. [DOI: 10.1016/j.cclet.2017.11.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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26
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Shao JY, Gong ZL, Zhong YW. Bridged cyclometalated diruthenium complexes for fundamental electron transfer studies and multi-stage redox switching. Dalton Trans 2018; 47:23-29. [PMID: 29230470 DOI: 10.1039/c7dt04168c] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Four bridged cyclometalated diruthenium systems are highlighted in this Frontier article, including strongly-coupled diruthenium complexes with a short phen-1,4-diyl or a planar pyren-2,7-diyl bridge, redox asymmetric diruthenium complexes characterized by different terminal ligands on the two ends, diruthenium complexes with a urea bridge that allows modulating the degree of electronic coupling, and those with a redox-active amine bridge with varying electronic structures. These complexes posess redox couples with low potentials and intense intervalence charge transfer absorptions in the near-infrared region in the one-electron-oxidized mixed-valent state. They are appealing not only for providing a platform for fundamental electron transfer studies but also as molecular materials with multi-stage redox switching properties.
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Affiliation(s)
- Jiang-Yang Shao
- CAS Key Laboratory of Photochemistry, CAS Research/Education Centre for Excellencet in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Zhong-Liang Gong
- CAS Key Laboratory of Photochemistry, CAS Research/Education Centre for Excellencet in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Yu-Wu Zhong
- CAS Key Laboratory of Photochemistry, CAS Research/Education Centre for Excellencet in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China and University of Chinese Academy of Sciences, Beijing 100049, China.
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27
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Wu SH, Shao JY, Gong ZL, Chen N, Zhong YW. Tuning the dual emissions of a monoruthenium complex with a dangling coordination site by solvents, O2, and metal ions. Dalton Trans 2018; 47:292-297. [DOI: 10.1039/c7dt04198e] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A monoruthenium complex with a dangling coordination site shows solvent-, O2-, and metal ion-modulated dual fluorescence and phosphorescence emissions.
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Affiliation(s)
- Si-Hai Wu
- School of Biomedical Sciences
- Huaqiao University
- Quanzhou
- China
| | - Jiang-Yang Shao
- CAS Key Laboratory of Photochemistry
- CAS Research/Education Center for Excellence in Molecular Sciences
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
| | - Zhong-Liang Gong
- CAS Key Laboratory of Photochemistry
- CAS Research/Education Center for Excellence in Molecular Sciences
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
| | - Na Chen
- School of Biomedical Sciences
- Huaqiao University
- Quanzhou
- China
| | - Yu-Wu Zhong
- CAS Key Laboratory of Photochemistry
- CAS Research/Education Center for Excellence in Molecular Sciences
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
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Tang JH, Sun TG, Shao JY, Gong ZL, Zhong YW. Resistive memory devices based on a triphenylamine-decorated non-precious cobalt(ii) bis-terpyridine complex. Chem Commun (Camb) 2017; 53:11925-11928. [PMID: 29044252 DOI: 10.1039/c7cc05806c] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The ITO/active material/Au sandwiched devices of a cobalt(ii) bis-terpyridine complex decorated with two triphenylamine motifs display appealing flash-type resistive switching with a large ON/OFF ratio (>103) and low operating voltages (<±3 V). In contrast, devices with the triphenylamine-appended terpyridine ligand show WORM-type memory behaviour.
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Affiliation(s)
- Jian-Hong Tang
- CAS Key Laboratory of Photochemistry, CAS Research/Education Centre for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
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29
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Gong ZL, Deng LY, Zhong YW, Yao J. Anion-regulated electronic communication in a cyclometalated diruthenium complex with a urea bridge. Phys Chem Chem Phys 2017; 19:8902-8907. [PMID: 28294210 DOI: 10.1039/c6cp08019g] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A combined study of electrochemical measurements, intervalence charge transfer analysis, and DFT calculations suggests that the degree of urea-mediated electronic coupling between two cyclometalated ruthenium sites is enhanced by the coordination of urea with Br- or Cl-via hydrogen bonding. In contrast, the redox waves of the diruthenium complex become highly irreversible in the presence of relatively strong basic anions such as H2PO4-, F-, or OAc-. This work demonstrates that the anion-urea interaction can be employed to regulate the electronic coupling and electron transfer between redox-active sites, suggesting the potential applications of the urea-functionalized diruthenium complex in anion sensing and stimuli-responsive molecular electronics.
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Affiliation(s)
- Zhong-Liang Gong
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
| | - Li-Ye Deng
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
| | - Yu-Wu Zhong
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China. and University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jiannian Yao
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China. and University of Chinese Academy of Sciences, Beijing 100049, China
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30
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Cheng L, Li Y, Zhang CY, Gong ZL, Fang Q, Zhong YW, Tu B, Zeng Q, Wang C. Temperature-Triggered Chiral Self-Assembly of Achiral Molecules at the Liquid-Solid Interface. ACS Appl Mater Interfaces 2016; 8:32004-32010. [PMID: 27801560 DOI: 10.1021/acsami.6b10883] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Temperature triggered chiral nanostructures have been investigated on two-dimensional (2D) surfaces by means of scanning tunneling microscopy. Achiral molecules 1 and 2 tend to self-assemble into strip structures on graphite before heating. However, R and S flower-like structures are observed when heated to certain temperature. The transition temperatures of 1 and 2 systems are 55 and 60 °C, respectively. The density functional theory calculations demonstrate that R and S flower-like structures are more stable than strip structures. The coexistence of flower-like structures and strip structures demonstrates the thermodynamic equilibrium. Further, when chiral solvent is added to the sample with other conditions remaining the same, the racemic phenomenon disappears and homochirality emerges. This is an efficient method to control the chirality of 2D molecular assemblies.
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Affiliation(s)
- Linxiu Cheng
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology (NCNST) , Beijing 100190, P. R. China
- Key Laboratory of Organo-pharmaceutical Chemistry, Gannan Normal University , Ganzhou 341000, P. R. China
| | - Yibao Li
- Key Laboratory of Organo-pharmaceutical Chemistry, Gannan Normal University , Ganzhou 341000, P. R. China
| | - Chun-Yu Zhang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, P. R. China
| | - Zhong-Liang Gong
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, P. R. China
| | - Qiaojun Fang
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology (NCNST) , Beijing 100190, P. R. China
| | - Yu-Wu Zhong
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, P. R. China
| | - Bin Tu
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology (NCNST) , Beijing 100190, P. R. China
| | - Qingdao Zeng
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology (NCNST) , Beijing 100190, P. R. China
| | - Chen Wang
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology (NCNST) , Beijing 100190, P. R. China
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31
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Tang JH, He YQ, Shao JY, Gong ZL, Zhong YW. Multistate Redox Switching and Near-Infrared Electrochromism Based on a Star-Shaped Triruthenium Complex with a Triarylamine Core. Sci Rep 2016; 6:35253. [PMID: 27731404 PMCID: PMC5059756 DOI: 10.1038/srep35253] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Accepted: 09/27/2016] [Indexed: 11/09/2022] Open
Abstract
A star-shaped cyclometalated triruthenium complex 2(PF6)n (n = 3 and 4) with a triarylamine core was synthesized, which functions as a molecular switch with five well-separated redox states in both solution and film states. The single-crystal X-ray structure of 2(PF6)3 is presented. This complex displays four consecutive one-electron redox waves at +0.082, +0.31, +0.74, and +1.07 V vs Ag/AgCl. In each redox state, it shows significantly different NIR absorptions with λmax of 1590 nm for 24+, 1400 nm for 25+, 1060 nm for 26+, and 740 nm for 27+, respectively. Complex 24+ shows a single-line EPR signal at g = 2.060, while other redox states are all EPR inactive. The spin density distributions and NIR absorptions in different redox states were rationalized by DFT and TDDFT calculations. A vinyl-substituted triruthenium analogous 3(PF6)4 was prepared, which was successfully polymerized on ITO glass electrode surfaces by reductive electropolymerization. The obtained poly-3n+/ITO film was characterized by FTIR, AFM, and SEM analysis. It shows four well-defined redox couples and reversible multistate NIR electrochromism. In particular, a contrast ratio (ΔT%) up to 63% was achieved at the optic telecommunication wavelength (1550 nm).
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Affiliation(s)
- Jian-Hong Tang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yan-Qin He
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Jiang-Yang Shao
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Zhong-Liang Gong
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Yu-Wu Zhong
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.,University of Chinese Academy of Sciences, Beijing 100049, China
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32
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Affiliation(s)
- Zhong-Liang Gong
- Beijing National Laboratory for Molecular Sciences, CAS
Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Science, 2 Bei Yi Jie, Zhong Guan Cun, Haidian District, Beijing 100190, China
| | - Yu-Wu Zhong
- Beijing National Laboratory for Molecular Sciences, CAS
Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Science, 2 Bei Yi Jie, Zhong Guan Cun, Haidian District, Beijing 100190, China
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33
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Wang L, Gong ZL, Li SY, Hong W, Zhong YW, Wang D, Wan LJ. Molecular Conductance through a Quadruple-Hydrogen-Bond-Bridged Supramolecular Junction. Angew Chem Int Ed Engl 2016; 55:12393-7. [PMID: 27576570 DOI: 10.1002/anie.201605622] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2016] [Indexed: 11/06/2022]
Abstract
A series of self-complementary ureido pyrimidinedione (UPy) derivatives modified with different aurophilic anchoring groups were synthesized. Their electron transport properties through the quadruple hydrogen bonds in apolar solvent were probed employing the scanning tunneling microscopy break junction (STMBJ) technique. The molecule terminated with a thiol shows the optimal electron transport properties, with a statistical conductance value that approaches 10(-3) G0 . The (1) H NMR spectra and control experiments verify the formation of quadruple hydrogen bonds, which can be effectively modulated by the polarity of the solvent environment. These findings provide a new design strategy for supramolecular circuit elements in molecular electronics.
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Affiliation(s)
- Lin Wang
- Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences and Beijing National Laboratory for Molecular Sciences, Beijing, 100190, P.R. China.,University of the Chinese Academy of Sciences, Beijing, 100049, P.R. China.,Department of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, 3012, Bern, Switzerland
| | - Zhong-Liang Gong
- CAS Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences and, Beijing National Laboratory for Molecular Sciences, Beijing, 100190, P.R. China.,University of the Chinese Academy of Sciences, Beijing, 100049, P.R. China
| | - Shu-Ying Li
- Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences and Beijing National Laboratory for Molecular Sciences, Beijing, 100190, P.R. China.,University of the Chinese Academy of Sciences, Beijing, 100049, P.R. China
| | - Wenjing Hong
- Department of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, 3012, Bern, Switzerland. .,Department of Chemical and Biochemical Engineering, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, P.R. China.
| | - Yu-Wu Zhong
- CAS Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences and, Beijing National Laboratory for Molecular Sciences, Beijing, 100190, P.R. China. .,University of the Chinese Academy of Sciences, Beijing, 100049, P.R. China.
| | - Dong Wang
- Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences and Beijing National Laboratory for Molecular Sciences, Beijing, 100190, P.R. China. .,University of the Chinese Academy of Sciences, Beijing, 100049, P.R. China.
| | - Li-Jun Wan
- Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences and Beijing National Laboratory for Molecular Sciences, Beijing, 100190, P.R. China.,University of the Chinese Academy of Sciences, Beijing, 100049, P.R. China
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34
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Wang L, Gong ZL, Li SY, Hong W, Zhong YW, Wang D, Wan LJ. Molecular Conductance through a Quadruple-Hydrogen-Bond-Bridged Supramolecular Junction. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201605622] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Lin Wang
- Key Laboratory of Molecular Nanostructure and Nanotechnology; Institute of Chemistry; Chinese Academy of Sciences and Beijing National Laboratory for Molecular Sciences; Beijing 100190 P.R. China
- University of the Chinese Academy of Sciences; Beijing 100049 P.R. China
- Department of Chemistry and Biochemistry; University of Bern; Freiestrasse 3 3012 Bern Switzerland
| | - Zhong-Liang Gong
- CAS Key Laboratory of Photochemistry; Institute of Chemistry; Chinese Academy of Sciences and; Beijing National Laboratory for Molecular Sciences; Beijing 100190 P.R. China
- University of the Chinese Academy of Sciences; Beijing 100049 P.R. China
| | - Shu-Ying Li
- Key Laboratory of Molecular Nanostructure and Nanotechnology; Institute of Chemistry; Chinese Academy of Sciences and Beijing National Laboratory for Molecular Sciences; Beijing 100190 P.R. China
- University of the Chinese Academy of Sciences; Beijing 100049 P.R. China
| | - Wenjing Hong
- Department of Chemistry and Biochemistry; University of Bern; Freiestrasse 3 3012 Bern Switzerland
- Department of Chemical and Biochemical Engineering; College of Chemistry and Chemical Engineering; Xiamen University; Xiamen 361005 P.R. China
| | - Yu-Wu Zhong
- CAS Key Laboratory of Photochemistry; Institute of Chemistry; Chinese Academy of Sciences and; Beijing National Laboratory for Molecular Sciences; Beijing 100190 P.R. China
- University of the Chinese Academy of Sciences; Beijing 100049 P.R. China
| | - Dong Wang
- Key Laboratory of Molecular Nanostructure and Nanotechnology; Institute of Chemistry; Chinese Academy of Sciences and Beijing National Laboratory for Molecular Sciences; Beijing 100190 P.R. China
- University of the Chinese Academy of Sciences; Beijing 100049 P.R. China
| | - Li-Jun Wan
- Key Laboratory of Molecular Nanostructure and Nanotechnology; Institute of Chemistry; Chinese Academy of Sciences and Beijing National Laboratory for Molecular Sciences; Beijing 100190 P.R. China
- University of the Chinese Academy of Sciences; Beijing 100049 P.R. China
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35
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Shao JY, Yao CJ, Cui BB, Gong ZL, Zhong YW. Electropolymerized films of redox-active ruthenium complexes for multistate near-infrared electrochromism, ion sensing, and information storage. CHINESE CHEM LETT 2016. [DOI: 10.1016/j.cclet.2016.05.018] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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36
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Abstract
A series of bis-tridentate cyclometalated osmium complexes with a redox-active triarylamine substituent have been prepared, where the amine substituent is separated from the osmium ion by a p-oligophenylene wire of various lengths. X-ray crystallographic data of complexes 3(PF6) and 4(PF6) with three or four repeating phenyl units between the osmium ion and the amine substituent are presented. These complexes show two consecutive anodic redox couples between +0.1 and +0.9 V vs Ag/AgCl, with the potential splitting in the range of 300-390 mV. A combined experimental and theoretical study suggests that, in the one-electron-oxidized state, the odd electron is delocalized for short congeners and localized on the osmium component for long congeners. The electronic coupling parameter (Vab) was estimated by the Marcus-Hush analysis. The distance dependence plot of ln(Vab) versus the osmium-amine geometrical distance (Rab) gives a negative linear relationship with a decay slope of -0.19 Å(-1), which is slightly steeper with respect to the previously reported ruthenium-amine series with the same molecular wire. DFT calculations with the long-range-corrected UCAM-B3LYP functional gave more reasonable results for the osmium complexes with respect to those with UB3LYP.
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Affiliation(s)
- Jun-Jian Shen
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, China
| | - Jiang-Yang Shao
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, China
| | - Zhong-Liang Gong
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, China
| | - Yu-Wu Zhong
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, China
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38
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Gong ZL, Zhong YW, Yao J. Conformation-determined through-bond versus through-space electronic communication in mixed-valence systems with a cross-conjugated urea bridge. Chemistry 2014; 21:1554-66. [PMID: 25421648 DOI: 10.1002/chem.201405332] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2014] [Indexed: 01/28/2023]
Abstract
Bis-triarylamine 2 and cyclometalated diruthenium 6(PF6)2 with a linear trans,trans-urea bridge have been prepared, together with the bis-triarylamine 3 and cyclometalated diruthenium 8(PF6)2 with a folded cis,cis-N,N-dimethylurea bridge. The linear or folded conformations of these molecules are supported by single-crystal X-ray structures of 2, 3, and other related compounds. These compounds display two consecutive anodic redox waves (N(·+/0) or Ru(III/II) processes) with a potential separation of 110-170 mV. This suggests that an efficient electronic coupling is present between two redox termini through the cross-conjugated urea bridge. The degree of electronic coupling has been investigated by using spectroelectrochemical measurements. Distinct intervalence charge-transfer (IVCT) transitions have been observed for mixed-valent (MV) compounds with a linear conformation. The IVCT transitions can also be identified for the folded MV compounds, albeit with a much weaker intensity. DFT results support that the electronic communication occurs by a through-bond and through-space pathway for the linear and folded compounds, respectively. The IVCT transitions of the MV compounds have been reproduced by TDDFT calculations. For the purpose of comparison, a bistriarylamine and a diruthenium complex with an imidazolidin-2-one bridge and a urea-containing mono-triarylamine and monoruthenium complex have been synthesized and studied.
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Affiliation(s)
- Zhong-Liang Gong
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190 (China)
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39
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40
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Gong ZL, Zhong YW. Stepwise Coordination Followed by Oxidation Mechanism for the Multichannel Detection of Cu2+ in an Aqueous Environment. Organometallics 2013. [DOI: 10.1021/om400999h] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Zhong-Liang Gong
- Beijing National Laboratory for
Molecular Sciences,
CAS Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, 2 Bei Yi Jie, Zhong Guan Cun, Beijing 100190, People’s Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
| | - Yu-Wu Zhong
- Beijing National Laboratory for
Molecular Sciences,
CAS Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, 2 Bei Yi Jie, Zhong Guan Cun, Beijing 100190, People’s Republic of China
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41
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Zheng LW, Gong ZL, Liu WL, Liu YR, Zhao BX. Synthesis, X-ray crystal structure and fluorescent spectra of novel pyrazolo[1,5-a]pyrazin-4(5H)-one derivatives. Spectrochim Acta A Mol Biomol Spectrosc 2011; 81:372-379. [PMID: 21733750 DOI: 10.1016/j.saa.2011.06.025] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2011] [Revised: 06/05/2011] [Accepted: 06/13/2011] [Indexed: 05/31/2023]
Abstract
A series of fluorescent compounds, containing pyrazolo[1,5-a]pyrazin-4(5H)-one moiety, were designed and synthesized from ethyl 1-(2-oxo-2-phenylethyl)-3-phenyl-1H-pyrazole-5-carboxylates. The structures of the compounds have been confirmed by IR, (1)H NMR, HRMS and X-ray crystal diffraction. The optical properties of the compounds were investigated by UV-vis absorption and fluorescence spectroscopy. The effect of pH on the UV-vis absorption of compound 2a in methanol-H(2)O solutions was studied and interpreted by theory calculation. The pK(a) value of compound 2a was determined by the absorption spectra.
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Affiliation(s)
- Liang-Wen Zheng
- Institute of Organic Chemistry, School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, PR China
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42
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Gong ZL, Zhao BX, Liu WY, Lv HS. A new highly selective “turn on” fluorescent sensor for zinc ion based on a pyrazoline derivative. J Photochem Photobiol A Chem 2011. [DOI: 10.1016/j.jphotochem.2010.11.014] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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43
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Liu WY, Xie YS, Zhao BX, Lian S, Lv HS, Gong ZL, Shin DS. The synthesis, X-ray crystal structure and optical properties of novel 1-ferrocenyl-2-(3-phenyl-1H-1,2,4-triazol-5-ylthio)ethanone derivatives. Spectrochim Acta A Mol Biomol Spectrosc 2010; 76:531-536. [PMID: 20452271 DOI: 10.1016/j.saa.2010.04.019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2010] [Revised: 04/14/2010] [Accepted: 04/15/2010] [Indexed: 05/29/2023]
Abstract
A series of novel 1-ferrocenyl-2-(3-phenyl-1H-1,2,4-triazol-5-ylthio)ethanone derivatives was synthesized by the reaction of 3-substituted-1H-1,2,4-triazole-5-thiol and chloroacetyl ferrocene in the presence of sodium hydride and potassium iodide at reflux. The structures of the new compounds were determined by IR and (1)H NMR spectroscopy and HRMS. The structure of compound 5c was established by X-ray crystallography. UV-vis absorption and fluorescence spectra were recorded in ethanol and dichloromethane. The results showed that compounds 5a-g display similar absorptions ranging from 300 to 500nm and maximal emission bands are about 566nm. The intensity of fluorescence and maximal emission bands are dependent on the groups bonded to triazole rings.
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Affiliation(s)
- Wei-Yong Liu
- Institute of Organic Chemistry, School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, PR China
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44
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Liu WY, Xie YS, Zhao BX, Wang BS, Lv HS, Gong ZL, Lian S, Zheng LW. The synthesis, X-ray crystal structure and optical properties of novel 5-aryl-1-arylthiazolyl-3-ferrocenyl-pyrazoline derivatives. J Photochem Photobiol A Chem 2010. [DOI: 10.1016/j.jphotochem.2010.06.017] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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45
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Gong ZL, Zheng LW, Zhao BX, Yang DZ, Lv HS, Liu WY, Lian S. The synthesis, X-ray crystal structure and optical properties of novel 1,3,5-triaryl pyrazoline derivatives. J Photochem Photobiol A Chem 2010. [DOI: 10.1016/j.jphotochem.2009.10.007] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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46
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Evans HL, Little AR, Gong ZL, Duffy JS, Wirgin I, el-Fawal HA. Glial fibrillary acidic protein (GFAP) indicates in vivo exposure to environmental contaminants: PCBs in the Atlantic tomcod. Ann N Y Acad Sci 1993; 679:402-6. [PMID: 8512204 DOI: 10.1111/j.1749-6632.1993.tb18329.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- H L Evans
- Institute of Environmental Medicine, New York University Medical Center, Tuxedo 10987
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47
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Zheng JJ, Gong ZL, Xue LS, Zhu XS, Luo JY. Lactose malabsorption and its ethnic differences in Hans and Uygurs. Chin Med J (Engl) 1988; 101:284-6. [PMID: 3138090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
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48
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Zheng JJ, Wang YM, Gong ZL. [Lactose malabsorption and its ethnic influence in healthy Chinese]. Zhonghua Nei Ke Za Zhi 1987; 26:135-7, 189. [PMID: 3113854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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49
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Wang YM, Zheng JJ, Ren GR, Gong ZL, Huang FZ, Xue LS, Jiang JH, Zhu XS, Wu RY, Ling K. [Carcinoembryonic antigen and immunoglobin in gastric juice in the diagnosis of gastric cancer]. Zhonghua Zhong Liu Za Zhi 1986; 8:270-2. [PMID: 3757741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Levels of carcinoembryonic antigen (CEA) and immunoglobin (Ig) in gastric juice of 93 patients with benign and malignant gastric diseases were assayed. The CEA level in gastric cancer patients (55.73 +/- 38.26 ng/ml) was obviously higher than that in peptic ulcer (15.51 +/- 12.09 ng/ml) and superficial gastritis (26.96 +/- 20.17 ng/ml). But no significant difference was found between the CEA levels of gastric cancer and chronic atrophic gastritis (48.66 +/- 31.87 ng/ml). Also, elevated CEA was closely correlated to intestinal metaplasia. The positive rate of Ig was significantly higher in gastric cancer (IgG greater than or equal to 185 ug/ml, IgA greater than or equal to 100 ug/ml) than in benign gastric diseases. Although no correlation is present in the CEA and Ig in gastric juice, the combination of these two methods could improve the diagnostic accuracy. We believe that the two assays are worthy for screening gastric cancer from patients with high risk, and for identifying precancerous lesions.
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Wang YJ, Kang Y, Gong ZL, Mei YX, Xu JY, Meng LX, Zhao K, Li X, Hu ZH, Song ZZ. Hepatitis B vaccine in neonates: induction of anti-HBs immune response and interruption of maternal HBsAg transmission. Chin Med J (Engl) 1985; 98:265-70. [PMID: 3924520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
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