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Pazos A, Cruz CM, Cuerva JM, Rivilla I, Cossío FP, Freixa Z. Enantiopure [6]-Azairidahelicene by Dynamic Kinetic Resolution of a Configurationally Labile [4]-Helicene. Angew Chem Int Ed Engl 2024; 63:e202406663. [PMID: 38655628 DOI: 10.1002/anie.202406663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Revised: 04/23/2024] [Accepted: 04/23/2024] [Indexed: 04/26/2024]
Abstract
A pair of enantiopure [6]-azairidahelicenes incorporating chirality at the metal center and on the helicenic ligand were synthesized by dynamic kinetic resolution (dkr) of a configurationally labile [4]-helicenic ligand (4-(2-pyridyl)-benzo[g]phenanthrene, L1H) using bis-cyclometalated chiral-at-metal only iridium(III) precursors as chiral inductors. The origin of the observed dkr is attributed to the different conformation and stability of diastereomeric reaction intermediates formed during the cyclometalation process. The isolated enantiomers exhibited circularly polarized phosphorescence (CPP), with |gphos| values of 1.8×10-3.
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Affiliation(s)
- Ariadna Pazos
- Department of Applied Chemistry, Faculty of Chemistry, University of the Basque Country (UPV/EHU), 20018, Donostia, Spain
| | - Carlos M Cruz
- Department of Organic Chemistry, Unidad de Excelencia de Química (UEQ), Faculty of Sciences, University of Granada, Avda. Fuente Nueva s/n, 18071, Granada, Spain
| | - Juan M Cuerva
- Department of Organic Chemistry, Unidad de Excelencia de Química (UEQ), Faculty of Sciences, University of Granada, Avda. Fuente Nueva s/n, 18071, Granada, Spain
| | - Ivan Rivilla
- IKERBASQUE, Basque Foundation for Science, 48011, Bilbao, Spain
- Department of Organic Chemistry II, Faculty of Chemistry, University of the Basque Country (UPV/EHU), 20018, Donostia, Spain
- Donostia International Physics Center (DIPC), 20018, Donostia, Spain
| | - Fernando P Cossío
- Department of Organic Chemistry II, Faculty of Chemistry, University of the Basque Country (UPV/EHU), 20018, Donostia, Spain
- Donostia International Physics Center (DIPC), 20018, Donostia, Spain
| | - Zoraida Freixa
- Department of Applied Chemistry, Faculty of Chemistry, University of the Basque Country (UPV/EHU), 20018, Donostia, Spain
- IKERBASQUE, Basque Foundation for Science, 48011, Bilbao, Spain
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2
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Ikeshita M, Ma SC, Muller G, Naota T. Linker-dependent control of the chiroptical properties of polymethylene-vaulted trans-bis[(β-iminomethyl)naphthoxy]platinum(II) complexes. Dalton Trans 2024; 53:7775-7787. [PMID: 38619916 DOI: 10.1039/d4dt00273c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/17/2024]
Abstract
The effects of polymethylene bridges on the chiroptical properties of trans-bis[(β-iminomethyl)naphthoxy]platinum(II) platforms were examined both experimentally and theoretically using newly designed planar chiral Pt analogues (1) having three-dimensional superstructures. A series of optically pure polymethylene-vaulted Pt complexes (R)- and (S)-1 were synthesized and characterized with regard to the chiroptical behaviour of the trans-bis[(β-iminomethyl)naphthoxy]platinum(II) platforms. These complexes were found to exhibit structure-dependent chiroptical characteristics in solution, such that the absolute values of specific rotation, the circular dichroism dissymmetry factor (gabs) and the circularly polarized luminescence dissymmetry factor (glum) all increased upon shortening the polymethylene bridges. Density functional theory and time dependent density functional theory calculations were used to analyse vaulted and non-vaulted complexes, which demonstrated that the present linker-dependent chiroptical properties resulted from constraint-induced changes in the square planar Pt coordination centres rather than from chiral distortion along the coordination platforms.
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Affiliation(s)
- Masahiro Ikeshita
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Machikaneyama, Toyonaka, Osaka 560-8531, Japan.
- Department of Applied Molecular Chemistry, College of Industrial Technology, Nihon University, Narashino, Chiba 275-8575, Japan.
| | - Shing Cho Ma
- Department of Chemistry, San José State University, One Washington Square, San José, California 95192-0101, USA.
| | - Gilles Muller
- Department of Chemistry, San José State University, One Washington Square, San José, California 95192-0101, USA.
| | - Takeshi Naota
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Machikaneyama, Toyonaka, Osaka 560-8531, Japan.
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3
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Zhang T, Zhang Y, He Z, Yang T, Hu X, Zhu T, Zhang Y, Tang Y, Jiao J. Recent Advances of Chiral Isolated and Small Organic Molecules: Structure and Properties for Circularly Polarized Luminescence. Chem Asian J 2024; 19:e202400049. [PMID: 38450996 DOI: 10.1002/asia.202400049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 03/01/2024] [Accepted: 03/04/2024] [Indexed: 03/08/2024]
Abstract
This paper explores recent advancements in the field of circularly polarized luminescence (CPL) exhibited by small and isolated organic molecules. The development and application of small CPL molecule are systematically reviewed through eight different chiral skeleton sections. Investigating the intricate interplay between molecular structure and CPL properties, the paper aims at providing and enlighting novel strategies for CPL-based applications.
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Affiliation(s)
- Tingwei Zhang
- School of Chemistry and Engineering Research Center of Energy Storage Materials and Devices of Ministry of Education, Xi'an Jiaotong University, Xi'an, 710049, P.R. China
| | - Yue Zhang
- School of Chemistry and Engineering Research Center of Energy Storage Materials and Devices of Ministry of Education, Xi'an Jiaotong University, Xi'an, 710049, P.R. China
| | - Zhiyuan He
- School of Chemistry and Engineering Research Center of Energy Storage Materials and Devices of Ministry of Education, Xi'an Jiaotong University, Xi'an, 710049, P.R. China
| | - Tingjun Yang
- School of Chemistry and Engineering Research Center of Energy Storage Materials and Devices of Ministry of Education, Xi'an Jiaotong University, Xi'an, 710049, P.R. China
| | - Xu Hu
- School of Chemistry and Chemical Engineering at, Shaanxi Normal University, Xi'an, 710062, P.R. China
| | - Tengfei Zhu
- Engineering Research Center of Oil and Gas Field Chemistry, Xi'an Shiyou University, Xi'an, 710065, China
| | - Yanfeng Zhang
- School of Chemistry and Engineering Research Center of Energy Storage Materials and Devices of Ministry of Education, Xi'an Jiaotong University, Xi'an, 710049, P.R. China
| | - Yuhai Tang
- School of Chemistry and Engineering Research Center of Energy Storage Materials and Devices of Ministry of Education, Xi'an Jiaotong University, Xi'an, 710049, P.R. China
| | - Jiao Jiao
- School of Chemistry and Engineering Research Center of Energy Storage Materials and Devices of Ministry of Education, Xi'an Jiaotong University, Xi'an, 710049, P.R. China
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4
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Fan P, Li L, Qian D. Catalytic asymmetric construction of helicenes via transformation of biaryls. Org Biomol Chem 2024; 22:3186-3197. [PMID: 38591656 DOI: 10.1039/d4ob00012a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/10/2024]
Abstract
This review showcases a systematic overview of the available tools for the catalytic asymmetric transformation of biaryl substrates toward the construction of challenging enantioenriched helicenes and the conceptual aspects associated with each type of transformation. Depending on the properties of the biaryl and the nature of the process, several methodologies have been developed, including olefin metathesis, hydroarylation of alkynes, C-X (X = C, O, N) coupling, and C-H functionalization. Pioneering studies and an array of representative reactions are discussed to underscore the potential of these synthetic protocols.
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Affiliation(s)
- Peiling Fan
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, Yunnan Key Laboratory of Research and Development for Natural Products, School of Pharmacy, Yunnan University, Kunming 650500, P.R. China.
- School of Chemical Science and Technology, Yunnan University, Kunming 650500, P.R. China
| | - Lun Li
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, Yunnan Key Laboratory of Research and Development for Natural Products, School of Pharmacy, Yunnan University, Kunming 650500, P.R. China.
- School of Chemical Science and Technology, Yunnan University, Kunming 650500, P.R. China
| | - Deyun Qian
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, Yunnan Key Laboratory of Research and Development for Natural Products, School of Pharmacy, Yunnan University, Kunming 650500, P.R. China.
- School of Chemical Science and Technology, Yunnan University, Kunming 650500, P.R. China
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5
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Ikeshita M, Watanabe S, Suzuki S, Tanaka S, Hattori S, Shinozaki K, Imai Y, Tsuno T. Circularly polarized phosphorescence with a large dissymmetry factor from a helical platinum(II) complex. Chem Commun (Camb) 2024; 60:2413-2416. [PMID: 38323590 DOI: 10.1039/d3cc06293g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2024]
Abstract
A chiral platinum(II) complex with a helical Schiff-base [4]helicene ligand exhibits intense red circularly polarized phosphorescence (CPP) with a glum of 0.010 in the dilute solution state. The intense CPP was caused by a change in the electronic transition character based on the induction of the helical structure.
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Affiliation(s)
- Masahiro Ikeshita
- Department of Applied Molecular Chemistry, College of Industrial Technology, Nihon University, Narashino, Chiba 275-8575, Japan.
| | - Shinya Watanabe
- Department of Applied Molecular Chemistry, College of Industrial Technology, Nihon University, Narashino, Chiba 275-8575, Japan.
| | - Seika Suzuki
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan.
| | - Shota Tanaka
- Graduate School of Nanobioscience, Yokohama City University, 22-2 Seto, Kanazawa-ku, Yokohama 236-0027, Japan
| | - Shingo Hattori
- Graduate School of Nanobioscience, Yokohama City University, 22-2 Seto, Kanazawa-ku, Yokohama 236-0027, Japan
| | - Kazuteru Shinozaki
- Graduate School of Nanobioscience, Yokohama City University, 22-2 Seto, Kanazawa-ku, Yokohama 236-0027, Japan
| | - Yoshitane Imai
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan.
| | - Takashi Tsuno
- Department of Applied Molecular Chemistry, College of Industrial Technology, Nihon University, Narashino, Chiba 275-8575, Japan.
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6
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Feng N, Wang Z, Sun D, Zhang L, Xin X, Sun P, Azam M, Li H. Kinetically Controlled Structural Modulation of the Self-Assembled Silver Nanoclusters. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2305366. [PMID: 37792210 DOI: 10.1002/smll.202305366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 08/07/2023] [Indexed: 10/05/2023]
Abstract
Metal nanoclusters (NCs) with atomic precision are growing into a fascinating class of building blocks for supramolecular chemistry. What makes it more interesting is the enhanced optical properties of the ordered structures, including aggregation-induced emission (AIE). However, algorithm dictating the self-assembly of metal NCs in multicomponent environment remains largely unknown, and effective means to manipulate the self-assembly is still lacking, especially under kinetic control. Herein, nanofibers which contain sub-1 nm nanowires and exhibit circularly polarized phosphorescence (CPP) are obtained from crystallization-induced self-assembly (CISA) of water-soluble, negatively charged silver NCs (Ag9 -NCs) in the presence of glutamic acid (Glu). By the introduction of a positively-charged additive (choline chloride, CC), the structure of the nanowires is modulated and the lateral interaction between adjacent nanofibers is adjusted, leading to simultaneous improvement of the phosphorescence and chirality which finally enhances CPP. Importantly, changing the time at which CC is introduced altered the kinetic pathway of the CISA, which enables to effectively manipulate both the final structures of the self-assembled Ag9 -NCs and the output of the optical signals.
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Affiliation(s)
- Ning Feng
- Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong, 250100, P. R. China
| | - Zhi Wang
- Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong, 250100, P. R. China
| | - Di Sun
- Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong, 250100, P. R. China
| | - Lizhi Zhang
- Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong, 250100, P. R. China
- Key Laboratory of China Research Institute of Daily Chemistry Co., Ltd, Sinolight Corporation, Taiyuan, 030001, P. R. China
| | - Xia Xin
- Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong, 250100, P. R. China
| | - Panpan Sun
- Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong, 250100, P. R. China
| | - Mohammad Azam
- Department of Chemistry, College of Science, King Saud University, P. O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Hongguang Li
- Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong, 250100, P. R. China
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7
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Ye Z, Wu H, Xu Y, Hua T, Chen G, Chen Z, Yin X, Huang M, Xu K, Song X, Huang Z, Lv X, Miao J, Cao X, Yang C. Deep-Blue Narrowband Hetero[6]helicenes Showing Circularly Polarized Thermally Activated Delayed Fluorescence Toward High-Performance OLEDs. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2308314. [PMID: 37963185 DOI: 10.1002/adma.202308314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 10/18/2023] [Indexed: 11/16/2023]
Abstract
Helicenes exhibit substantial potential as circularly polarized luminescence (CPL) active molecules. However, their application in circularly polarized organic light-emitting diodes (CP-OLEDs) is typically hindered by the challenge of integrating both high color purity and efficient triplet-harvesting capability, particularly in the blue spectral region. Herein, a series of hetero[6]helicene-based emitters that is strategically engineered through the helical extension of a deep-blue double-boron-based multiple resonance thermally activated delayed fluorescence (MR-TADF) motif, is introduced. Importantly, the helical extension does not cause apparent structural deformation or perturb frontier molecular orbitals; thus, preserving the deep-blue emission and MR-TADF characteristics of the parent molecule. This approach also leads to reduced reorganization energy, resulting in emitters with narrower linewidth and higher photoluminescence quantum yield. Further, the helical motif enhances the racemization barrier and leads to improved CPL performance with luminescence dissymmetry factor values up to 1.5 × 10-3 . Exploiting these merits, devices incorporating the chiral dopants demonstrate deep-blue emission within the Broadcast Service Television 2020 color-gamut range, record external quantum efficiencies (EQEs) up to 29.3%, and have distinctive circularly polarized electroluminescence (CPEL) signals. Overall, the authors' findings underscore the helical extension as a promising strategy for designing narrowband chiroptical materials and advancing high-definition displays.
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Affiliation(s)
- Zeyuan Ye
- Shenzhen Key Laboratory of New Information Display and Storage Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Han Wu
- Shenzhen Key Laboratory of New Information Display and Storage Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Yulin Xu
- Shenzhen Key Laboratory of New Information Display and Storage Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Tao Hua
- Shenzhen Key Laboratory of New Information Display and Storage Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Guohao Chen
- Shenzhen Key Laboratory of New Information Display and Storage Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Zhanxiang Chen
- Shenzhen Key Laboratory of New Information Display and Storage Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Xiaojun Yin
- Shenzhen Key Laboratory of New Information Display and Storage Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Manli Huang
- Shenzhen Key Laboratory of New Information Display and Storage Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Ke Xu
- Shenzhen Key Laboratory of New Information Display and Storage Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Xiufang Song
- Shenzhen Key Laboratory of New Information Display and Storage Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Zhongyan Huang
- Shenzhen Key Laboratory of New Information Display and Storage Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Xialei Lv
- Shenzhen Key Laboratory of New Information Display and Storage Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Jingsheng Miao
- Shenzhen Key Laboratory of New Information Display and Storage Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Xiaosong Cao
- Shenzhen Key Laboratory of New Information Display and Storage Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Chuluo Yang
- Shenzhen Key Laboratory of New Information Display and Storage Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
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Yang X, Waterhouse GIN, Lu S, Yu J. Recent advances in the design of afterglow materials: mechanisms, structural regulation strategies and applications. Chem Soc Rev 2023; 52:8005-8058. [PMID: 37880991 DOI: 10.1039/d2cs00993e] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2023]
Abstract
Afterglow materials are attracting widespread attention owing to their distinctive and long-lived optical emission properties which create exciting opportunities in various fields. Recent research has led to the discovery of many new afterglow materials featuring high photoluminescence quantum yields (PLQY) and lifetimes of up to several hours under ambient conditions. Afterglow materials are typically categorized according to their luminescence mechanism, such as long-persistent luminescence (LPL), room temperature phosphorescence (RTP), or thermally activated delayed fluorescence (TADF). Through rational design and novel synthetic strategies to modulate spin-orbit coupling (SOC) and populate triplet exciton states (T1), luminophores with long lifetimes and bright afterglow characteristics can be realized. Initial research towards afterglow materials focused mainly on pure inorganic materials, many of which possessed inherent disadvantages such as metal toxicity or low energy emissions. In recent years, organic-inorganic hybrid afterglow materials (OIHAMs) have been developed with high PLQY and long lifetimes. These hybrid materials exploit the tunable structure and easy processing of organic molecules, as well as enhanced SOC and intersystem crossing (ISC) processes involving heavy atom dopants, to achieve excellent afterglow performance. In this review, we begin by briefly discussing the structure and composition of inorganic and organic-inorganic hybrid afterglow materials, including strategies for regulating their lifetime, PLQY and luminescence wavelength. The specific advantages of organic-inorganic hybrid afterglow materials, including low manufacturing costs, diverse molecular/electronic structures, tunable structures and optical properties, and compatibility with a variety of substrates, are emphasized. Subsequently, we discuss in detail the fundamental mechanisms used by afterglow materials, their classification, design principles, and end applications (including sensing, anticounterfeiting, and photoelectric devices, among others). Finally, existing challenges and promising future directions are discussed, laying a platform for the design of afterglow materials for specific applications.
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Affiliation(s)
- Xin Yang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, China.
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
- International Center of Future Science, Jilin University, Changchun 130012, China
| | | | - Siyu Lu
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
| | - Jihong Yu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, China.
- International Center of Future Science, Jilin University, Changchun 130012, China
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9
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Park G, Jeong DY, Yu SY, Park JJ, Kim JH, Yang H, You Y. Enhancing Circularly Polarized Phosphorescence via Integrated Top-Down and Bottom-Up Approach. Angew Chem Int Ed Engl 2023; 62:e202309762. [PMID: 37606233 DOI: 10.1002/anie.202309762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 08/11/2023] [Accepted: 08/22/2023] [Indexed: 08/23/2023]
Abstract
In the dynamic domain of chiroptical technologies, it is imperative to engineer emitters endowed with circularly polarized luminescence (CPL) properties. This research demonstrates an advancement by employing a combined top-down and bottom-up strategy for the simultaneous amplification of photoluminescence quantum yield (Φ) and the luminescence dissymmetry factor (glum ). Square-planar Pt(II) complexes form helical assemblies, driven by torsional strain induced by bis(nonyl) chains. Integration of chiral anions leads these assemblies to prefer distinct helical sense. This arrangement activates the metal-metal-to-ligand charge transfer (MMLCT) transition that is CPL-active, with Φ and |glum | observing an upswing contingent on the charge number and aryl substituents in chiral anions. Utilizing the soft-lithographic micromolding in capillaries technique, we could fabricate exquisitely-ordered, one-dimensional co-assemblies to achieve the metrics to Φ of 0.32 and |glum | of 0.13. Finally, our spectroscopic research elucidates the underlying mechanism for the dual amplification, making a significant stride in the advancement of CPL-active emitters.
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Affiliation(s)
- Gyurim Park
- Department of Chemical and Biomolecular Engineering, Yonsei University, Seoul, 03722, Republic of Korea
| | - Dong Yeon Jeong
- Division of Chemical Engineering and Materials Science, Ewha Womans University, Seoul, 03760, Republic of Korea
| | - Seung Yeon Yu
- Division of Chemical Engineering and Materials Science, Ewha Womans University, Seoul, 03760, Republic of Korea
| | - Jong Jin Park
- Department of Molecular Science and Technology, Ajou University, Suwon, 16499, Republic of Korea
| | - Jong H Kim
- Department of Molecular Science and Technology, Ajou University, Suwon, 16499, Republic of Korea
| | - Hoichang Yang
- Department of Chemical Engineering, Inha University, Incheon, 22212, Republic of Korea
| | - Youngmin You
- Department of Chemical and Biomolecular Engineering, Yonsei University, Seoul, 03722, Republic of Korea
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10
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Shi M, Xie M, Wan S, Zou C, Liu Y, Zhou X, Yang P, Chang X, Lu W. Circularly polarized chemiluminescence from planar chiral bis(adamantylidene-1,2-dioxetane)s. Chem Commun (Camb) 2023; 59:11652-11655. [PMID: 37655497 DOI: 10.1039/d3cc03389a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
Bis(adamantylidene-1,2-dioxetane), upon conjugation to a planar chiral scaffold of [2.2]paracyclophane, gave chemical-triggerable circularly polarized chemiluminescence with a dissymmetry factor of 1.1 × 10-3 scale, to which exciton chirality upon chemiexcitation was assigned as the origin.
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Affiliation(s)
- Minglin Shi
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, Heilongjiang, P. R. China
- Department of Chemistry, Southern University of Science and Technology, Shenzhen 518055, Guangdong, P. R. China.
| | - Mo Xie
- College of Chemistry and Materials Science, Jinan University, Guangzhou 510632, Guangdong, P. R. China
| | - Shigang Wan
- Department of Chemistry, Southern University of Science and Technology, Shenzhen 518055, Guangdong, P. R. China.
| | - Chao Zou
- Department of Chemistry, Southern University of Science and Technology, Shenzhen 518055, Guangdong, P. R. China.
| | - Yuliang Liu
- Department of Chemistry, Southern University of Science and Technology, Shenzhen 518055, Guangdong, P. R. China.
| | - Xinyan Zhou
- Department of Chemistry, Southern University of Science and Technology, Shenzhen 518055, Guangdong, P. R. China.
| | - Peng Yang
- Department of Chemistry, Southern University of Science and Technology, Shenzhen 518055, Guangdong, P. R. China.
| | - Xiaoyong Chang
- Department of Chemistry, Southern University of Science and Technology, Shenzhen 518055, Guangdong, P. R. China.
| | - Wei Lu
- Department of Chemistry, Southern University of Science and Technology, Shenzhen 518055, Guangdong, P. R. China.
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11
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Kundu D, Del Rio N, Cordier M, Vanthuyne N, Puttock EV, Meskers SCJ, Williams JAG, Srebro-Hooper M, Crassous J. Enantiopure cycloplatinated pentahelicenic N-heterocyclic carbenic complexes that display long-lived circularly polarized phosphorescence. Dalton Trans 2023; 52:6484-6493. [PMID: 37096384 DOI: 10.1039/d3dt00577a] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2023]
Abstract
The preparation of the first enantiopure cycloplatinated complexes bearing a bidentate, helicenic N-heterocyclic carbene and a diketonate ancillary ligand is presented, along with their structural and spectroscopic characterization based on both experimental and computational studies. The systems exhibit long-lived circularly polarized phosphorescence in solution and in doped films at room temperature, and also in a frozen glass at 77 K, with dissymmetry factor glum values ≥10-3 in the former and around 10-2 in the latter.
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Affiliation(s)
- Debsouri Kundu
- Université de Rennes, CNRS, ISCR - UMR 6226, 35000 Rennes, France.
| | - Natalia Del Rio
- Université de Rennes, CNRS, ISCR - UMR 6226, 35000 Rennes, France.
| | - Marie Cordier
- Université de Rennes, CNRS, ISCR - UMR 6226, 35000 Rennes, France.
| | - Nicolas Vanthuyne
- Aix Marseille University, CNRS Centrale Marseille, iSm2, 13284 Marseille, France
| | - Emma V Puttock
- Department of Chemistry, Durham University, Durham DH1 3LE, UK.
| | - Stefan C J Meskers
- Molecular Materials and Nanosystems and Institute for Complex Molecular Systems, Technische Universiteit Eindhoven, NL 5600, The Netherlands
| | | | - Monika Srebro-Hooper
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland.
| | - Jeanne Crassous
- Université de Rennes, CNRS, ISCR - UMR 6226, 35000 Rennes, France.
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12
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Morvan J, Vermersch F, Zhang Z, Vives T, Roisnel T, Crévisy C, Falivene L, Cavallo L, Vanthuyne N, Bertrand G, Jazzar R, Mauduit M. Ambivalent Role of Rotamers in Cyclic(alkyl)(amino)carbene Ruthenium Complexes for Enantioselective Ring-Opening Cross-Metathesis. Organometallics 2023. [DOI: 10.1021/acs.organomet.3c00054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
Affiliation(s)
- Jennifer Morvan
- Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR UMR 6226, Univ Rennes, F-35000 Rennes, France
| | - François Vermersch
- Department of Chemistry and Biochemistry, UCSD-CNRS Joint Research Chemistry Laboratory (UMI 3555), University of California, San Diego, La Jolla, California 92093-0358, United States
| | - Ziyun Zhang
- KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Thomas Vives
- Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR UMR 6226, Univ Rennes, F-35000 Rennes, France
| | - Thierry Roisnel
- Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR UMR 6226, Univ Rennes, F-35000 Rennes, France
| | - Christophe Crévisy
- Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR UMR 6226, Univ Rennes, F-35000 Rennes, France
| | - Laura Falivene
- Dipartimento di Chimica e Biologia, Università di Salerno, Via Papa Paolo Giovanni II, 84100 Fisiciano, SA, Italy
| | - Luigi Cavallo
- KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Nicolas Vanthuyne
- Centrale Marseille, iSm2, Aix Marseille Univ., CNRS, F-13013 Marseille, France
| | - Guy Bertrand
- Department of Chemistry and Biochemistry, UCSD-CNRS Joint Research Chemistry Laboratory (UMI 3555), University of California, San Diego, La Jolla, California 92093-0358, United States
| | - Rodolphe Jazzar
- Department of Chemistry and Biochemistry, UCSD-CNRS Joint Research Chemistry Laboratory (UMI 3555), University of California, San Diego, La Jolla, California 92093-0358, United States
| | - Marc Mauduit
- Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR UMR 6226, Univ Rennes, F-35000 Rennes, France
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13
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Amouri H. Luminescent Complexes of Platinum, Iridium, and Coinage Metals Containing N-Heterocyclic Carbene Ligands: Design, Structural Diversity, and Photophysical Properties. Chem Rev 2023; 123:230-270. [PMID: 36315851 DOI: 10.1021/acs.chemrev.2c00206] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
The employment of N-heterocyclic carbenes (NHCs) to design luminescent metal compounds has been the focus of recent intense investigations because of the strong σ-donor properties, which bring stability to the whole system and tend to push the d-d dark states so high in energy that they are rendered thermally inaccessible, thereby generating highly emissive complexes for useful applications such as organic light-emitting diodes (OLEDs), or featuring chiroptical properties, a field that is still in its infancy. Among the NHC complexes, those containing organic chromophores such as naphthalimide, pyrene, and carbazole exhibit rich emission behavior and thus have attracted extensive interest in the past five years, especially carbene coinage metal complexes with carbazolate ligands. In this review, the design strategies of NHC-based luminescent platinum and iridium complexes with large spin-orbit-coupling (SOC) are described first. Subsequent paragraphs illustrate the recent advances of luminescent coinage metal complexes with nucleophilic- and electrophilic-based carbenes based on silver, gold, and copper metal complexes that have the ability to display rich excited state emissions in particular via thermally activated delayed fluorescence (TADF). The luminescence mechanism and excited state dynamics are also described. We then summarize the advance of NHC-metal complexes in the aforementioned fields in recent years. Finally, we propose the development trend of this fast-growing field of luminescent NHC-metal complexes.
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Affiliation(s)
- Hani Amouri
- CNRS, IPCM (UMR 8232), Sorbonne Université-Faculté des Sciences et Ingénerie Campus Pierre et Marie Curie, 4 Place Jussieu, 75252 Paris, Cedex 05, France
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14
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15
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Gauthier ES, Kaczmarczyk D, Del Fré S, Favereau L, Caytan E, Cordier M, Vanthuyne N, Williams JAG, Srebro-Hooper M, Crassous J. Helicenic N-heterocyclic carbene copper(I) complex displaying circularly polarized blue fluorescence. Dalton Trans 2022; 51:15571-15578. [PMID: 36169005 DOI: 10.1039/d2dt01925f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Enantiopure copper(I) chloride complexes bearing a monodentate N-(carbo[6]helicenyl)-NHC ligand have been prepared and characterized experimentally and computationally. Their high stability enables the stereochemistry to be probed by X-ray crystallography and NMR spectroscopy. The resolved enantiomeric complexes emit circularly polarized blue fluorescence with glum ∼1.3 × 10-3 in solution. The photophysical and chiroptical properties of these systems, with their helicene-centred origin, are similar to those of the organic helicene-benzimidazole precursor proligand, although the reverse axial chirality configuration is preferentially observed for the complex compared to the ligand.
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Affiliation(s)
| | | | - Samuel Del Fré
- Faculty of Chemistry, Jagiellonian University, 30-387 Krakow, Poland.
| | | | - Elsa Caytan
- Univ Rennes, CNRS, ISCR - UMR 6226, F-35000 Rennes, France.
| | - Marie Cordier
- Univ Rennes, CNRS, ISCR - UMR 6226, F-35000 Rennes, France.
| | - Nicolas Vanthuyne
- Aix Marseille University, CNRS Centrale Marseille, iSm2, 13284 Marseille, France
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16
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Du C, Zhu X, Yang C, Liu M. Stacked Reticular Frame Boosted Circularly Polarized Luminescence of Chiral Covalent Organic Frameworks. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202113979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Cong Du
- Beijing National Laboratory for Molecular Science (BNLMS), Key Laboratory of Colloid Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences ZhongGuanCun North First Street 2 Beijing 100190 China
| | - Xuefeng Zhu
- Beijing National Laboratory for Molecular Science (BNLMS), Key Laboratory of Colloid Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences ZhongGuanCun North First Street 2 Beijing 100190 China
| | - Chenchen Yang
- Beijing National Laboratory for Molecular Science (BNLMS), Key Laboratory of Colloid Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences ZhongGuanCun North First Street 2 Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Minghua Liu
- Beijing National Laboratory for Molecular Science (BNLMS), Key Laboratory of Colloid Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences ZhongGuanCun North First Street 2 Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
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17
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Ludowieg HD, Srebro-Hooper M, Crassous J, Autschbach J. Optical Activity of Spin-Forbidden Electronic Transitions in Metal Complexes from Time-Dependent Density Functional Theory with Spin-Orbit Coupling. Chemistry 2022; 11:e202200020. [PMID: 35585034 PMCID: PMC9117156 DOI: 10.1002/open.202200020] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 05/04/2022] [Indexed: 12/22/2022]
Abstract
The calculation of magnetic transition dipole moments and rotatory strengths was implemented at the zeroth‐order regular approximation (ZORA) two‐component relativistic time‐dependent density functional theory (TDDFT) level. The circular dichroism of the spin‐forbidden ligand‐field transitions of tris(ethylenediamine)cobalt(III) computed in this way agrees very well with available measurements. Phosphorescence dissymmetry factors glum
and the corresponding lifetimes are evaluated for three N‐heterocyclic‐carbene‐based iridium complexes, two of which contain helicene moieties, and for two platinahelicenes. The agreement with experimental data is satisfactory. The calculations reproduce the signs and order of magnitude of glum
, and the large variations of phosphorescence lifetimes among the systems. The electron spin contribution to the magnetic transition dipole moment is shown to be important in all of the computations.
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Affiliation(s)
- Herbert D Ludowieg
- Department of Chemistry, University at Buffalo, State University of New York, Buffalo, NY-14260-3000, USA
| | - Monika Srebro-Hooper
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387, Krakow, Poland
| | - Jeanne Crassous
- Université Rennes, CNRS, ISCR - UMR 6226, 35000, Rennes, France
| | - Jochen Autschbach
- Department of Chemistry, University at Buffalo, State University of New York, Buffalo, NY-14260-3000, USA
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18
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Pallova L, Abella L, Jean M, Vanthuyne N, Barthes C, Vendier L, Autschbach J, Crassous J, Bastin S, César V. Helical Chiral N-Heterocyclic Carbene Ligands in Enantioselective Gold Catalysis. Chemistry 2022; 28:e202200166. [PMID: 35143078 DOI: 10.1002/chem.202200166] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Indexed: 12/29/2022]
Abstract
The first chiral helicene-NHC gold(I) complexes efficient in enantioselective catalysis were prepared. The L-shaped chiral ligand is composed of an imidazo[1,5-a]pyridin-3-ylidene (IPy) scaffold laterally substituted by a configurationally stable [5]-helicenoid unit. The chiral information was introduced in a key post-functionalization step of a NHC-gold(I) complex bearing a symmetrical anionic fluoreno[5]helicene substituent, leading to a racemic mixture of complexes featuring three correlated elements of chirality, namely central, axial and helical chirality. After HPLC enantiomeric resolution, X-ray crystallography and theoretical calculations enabled structural and stereochemical characterization of these configurationally stable NHC-gold(I) complexes. The high potential in asymmetric catalysis is demonstrated in the benchmark cycloisomerization of N-tethered 1,6-enynes with up to 95 : 5 er.
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Affiliation(s)
- Lenka Pallova
- LCC-CNRS, Université de Toulouse, CNRS, Toulouse, France
| | - Laura Abella
- Department of chemistry, University at Buffalo-State University of New York, Buffalo, NY 14260, USA
| | - Marion Jean
- Aix Marseille university, CNRS, Centrale Marseille, Ism2, Marseille, France
| | - Nicolas Vanthuyne
- Aix Marseille university, CNRS, Centrale Marseille, Ism2, Marseille, France
| | - Cécile Barthes
- LCC-CNRS, Université de Toulouse, CNRS, Toulouse, France
| | - Laure Vendier
- LCC-CNRS, Université de Toulouse, CNRS, Toulouse, France
| | - Jochen Autschbach
- Department of chemistry, University at Buffalo-State University of New York, Buffalo, NY 14260, USA
| | - Jeanne Crassous
- Institut des Sciences Chimiques de Rennes, UMR 6226, Institut de Physique de Rennes, UMR 6251, Campus de Beaulieu CNRS-Université de Rennes 1, 35042, Rennes Cedex, France
| | | | - Vincent César
- LCC-CNRS, Université de Toulouse, CNRS, Toulouse, France
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19
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Groué A, Tranchier JP, Rager MN, Gontard G, Métivier R, Buriez O, Khatyr A, Knorr M, Amouri H. Cyclometalated Rhodium and Iridium Complexes Containing Masked Catecholates: Synthesis, Structure, Electrochemistry, and Luminescence Properties. Inorg Chem 2022; 61:4909-4918. [PMID: 35289605 DOI: 10.1021/acs.inorgchem.1c03656] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Two neutral cyclometalated rhodium and iridium coordination assemblies [(F2ppy)2M(η-Cat)], M = Rh, (2) and M = Ir, (3) (F2ppy: 2,4-difluorophenylpyridine), displaying a masked catecholate (η-Cat = η-O∧O) are described. The catecholate ligand is π-bonded to an organometallic Cp*Ru(II) moiety. The latter brings stability to the whole system in solution and suppresses the formation of the related paramagnetic semiquinone complex. The determination of the molecular structure of the iridium complex [(F2ppy)2Ir(η-Cat)] (3) corroborates the formation of the target compound and reveals the generation of a rare two-dimensional (2D) honeycomb supramolecular architecture in the solid state, in which the Δ-enantiomer self-assembles with the Λ-enantiomer through encoded π-π interactions among individual units. The electrochemistry of complexes 2 and 3 was investigated and showed that reduction occurs at very negative potentials (∼-2.2 V versus saturated calomel electrode (SCE)), while oxidation of the cyclometalated Rh and Ir centers occurs at 0.8 and 0.86 V. In contrast to complexes with 1,2-dioxolene chelates, which are nonemissive, the heterodinuclear diamagnetic complexes 2 and 3 were found to be emissive at room temperature both in solution and in the solid state. Moreover, at 77 K in a solid state, both compounds display opposite emission behavior, for instance, complex 3 displays a blue-shifted emission, while rhodium compound 2 exhibits red-shifted emission to lower energy.
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Affiliation(s)
- Antoine Groué
- Sorbonne Université- Campus Pierre et Marie Curie, Institut Parisien de Chimie Moléculaire (IPCM) UMR CNRS 8232, 4 place Jussieu, 75252 Paris Cedex 05, France
| | - Jean-Philippe Tranchier
- Sorbonne Université- Campus Pierre et Marie Curie, Institut Parisien de Chimie Moléculaire (IPCM) UMR CNRS 8232, 4 place Jussieu, 75252 Paris Cedex 05, France
| | | | - Geoffrey Gontard
- Sorbonne Université- Campus Pierre et Marie Curie, Institut Parisien de Chimie Moléculaire (IPCM) UMR CNRS 8232, 4 place Jussieu, 75252 Paris Cedex 05, France
| | - Rémi Métivier
- Université Paris-Saclay, ENS Paris-Saclay, CNRS, PPSM, 91190 Gif-sur-Yvette, France
| | - Olivier Buriez
- PASTEUR, Département de chimie, École normale supérieure, PSL University, Sorbonne Université, CNRS, 75005 Paris, France
| | - Abderrahim Khatyr
- Institut UTINAM, UMR CNRS 6213, 16 Route de Gray, Université Bourgogne Franche-Comté, 25030 Besançon, France
| | - Michael Knorr
- Institut UTINAM, UMR CNRS 6213, 16 Route de Gray, Université Bourgogne Franche-Comté, 25030 Besançon, France
| | - Hani Amouri
- Sorbonne Université- Campus Pierre et Marie Curie, Institut Parisien de Chimie Moléculaire (IPCM) UMR CNRS 8232, 4 place Jussieu, 75252 Paris Cedex 05, France
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20
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Yuan L, Ding QJ, Tu ZL, Liao XJ, Luo XF, Yan ZP, Wu ZG, Zheng YX. Molecular self-induced configuration for improving dissymmetry factors in tetradentate platinum(II) enantiomers cycloaddition. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2021.08.104] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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21
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Groué A, Montier-Sorkine E, Cheng Y, Rager MN, Jean M, Vanthuyne N, Crassous J, Lopez AC, Saavedra Moncada A, Barbieri A, Cooksy AL, Amouri H. Enantiopure, luminescent, cyclometalated Ir(III) complexes with N-heterocyclic carbene-naphthalimide chromophore: design, vibrational circular dichroism and TD-DFT calculations. Dalton Trans 2022; 51:2750-2759. [PMID: 35080558 DOI: 10.1039/d1dt04006e] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A series of chiral cyclometalated iridium complexes of the type [Ir(C^N)2(C^C:)], {(C^N) = ppy (2); dfppy (3)} featuring a naphthalimide N-heterocyclic carbene ligand (C^C:) = (Naphthalimide-NHC) are described and fully characterized. The racemic complexes rac-2 and rac-3 were resolved via chiral column chromatography techniques into their corresponding enantiopure species Δ-2, Λ-2, Δ-3, Λ-3 as confirmed by their CD curves. This unique class of molecules containing organic and inorganic chromophores might be used as a platform to probe the stereochemical effect on the photophysical properties. Vibrational circular dichroism (VCD) was used as an important tool to assign successfully the stereochemistry of the enantiomers. TD-DFT calculations are also advanced to support the experimental studies and to rationalize the observed results.
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Affiliation(s)
- Antoine Groué
- Sorbonne Universités, UPMC Univ Paris 06, Université Pierre et Marie Curie, Institut Parisien de Chimie Moléculaire (IPCM) UMR 8232, 4 place Jussieu, 75252 Paris cedex 05, France.
| | - Eve Montier-Sorkine
- Sorbonne Universités, UPMC Univ Paris 06, Université Pierre et Marie Curie, Institut Parisien de Chimie Moléculaire (IPCM) UMR 8232, 4 place Jussieu, 75252 Paris cedex 05, France.
| | - Yaping Cheng
- Sorbonne Universités, UPMC Univ Paris 06, Université Pierre et Marie Curie, Institut Parisien de Chimie Moléculaire (IPCM) UMR 8232, 4 place Jussieu, 75252 Paris cedex 05, France.
| | - Marie Noelle Rager
- Chimie ParisTech, PSL University, NMR Facility, 11, rue Pierre et Marie Curie, 75005 Paris, France
| | - Marion Jean
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
| | - Nicolas Vanthuyne
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
| | - Jeanne Crassous
- Institut des Sciences Chimiques de Rennes UMR 6226 Institut de Physique de Rennes, UMR 6251 CNRS Université de Rennes 1 Campus de Beaulieu, 35042 Rennes, France.
| | - Amalia C Lopez
- Department of Chemistry, San Diego State U., San Diego, CA 921821030, USA
| | - Alejandra Saavedra Moncada
- Istituto per la Sintesi Organica e la Fotoreattività, Consiglio Nazionale delle Ricerche, Via Gobetti 101, 40129 Bologna, Italy
| | - Andrea Barbieri
- Istituto per la Sintesi Organica e la Fotoreattività, Consiglio Nazionale delle Ricerche, Via Gobetti 101, 40129 Bologna, Italy
| | - Andrew L Cooksy
- Department of Chemistry, San Diego State U., San Diego, CA 921821030, USA
| | - Hani Amouri
- Sorbonne Universités, UPMC Univ Paris 06, Université Pierre et Marie Curie, Institut Parisien de Chimie Moléculaire (IPCM) UMR 8232, 4 place Jussieu, 75252 Paris cedex 05, France.
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22
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Gong J, Zhang X. Coordination-based circularly polarized luminescence emitters: Design strategy and application in sensing. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2021.214329] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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23
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Ikeshita M, Furukawa S, Ishikawa T, Matsudaira K, Imai Y, Tsuno T. Enhancement of Chiroptical Responses of trans-Bis[(β-iminomethyl)naphthoxy]platinum(II) Complexes with Distorted Square Planar Coordination Geometry. Chemistry 2022; 11:e202100277. [PMID: 35099127 PMCID: PMC8973265 DOI: 10.1002/open.202100277] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 12/28/2021] [Indexed: 12/17/2022]
Abstract
The relationship between the coordination geometry and photophysical properties of trans‐bis[(β‐iminomethyl)naphthoxy]platinum(II) was investigated both experimentally and theoretically. A series of platinum(II) complexes with differently substituted iminomethyl groups were synthesized, and their photophysical properties were examined in solution, in the crystalline, and in the PMMA film‐dispersed state, respectively (PMMA=poly(methyl methacrylate)). These complexes showed structure‐dependent emission spectra, in which the color of the luminescence in the crystalline state varied over a range of about 40 nm depending on the specific bowl‐shaped molecular structure. The chiral complexes with (R,R)‐ and (S,S)‐configurations were found to have structure‐dependent chiroptical properties both in solution and the PMMA film‐dispersed state such that the intensity of circular dichroism (CD) and circularly polarized luminescence (CPL) were enhanced with bulky cyclic substituents at the nitrogen atoms. A theoretical study using density functional theory (DFT) and time‐dependent (TD)‐DFT calculations revealed that the enhancement of chiroptical responses is due to the amplification of the magnetic dipole moment caused by the distortion of the square planar geometry.
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Affiliation(s)
- Masahiro Ikeshita
- Department of Applied Molecular Chemistry, College of Industrial Technology, Nihon University, 275-8575, Narashino, Chiba, Japan
| | - Sho Furukawa
- Department of Applied Molecular Chemistry, College of Industrial Technology, Nihon University, 275-8575, Narashino, Chiba, Japan
| | - Takahiro Ishikawa
- Department of Applied Molecular Chemistry, College of Industrial Technology, Nihon University, 275-8575, Narashino, Chiba, Japan
| | - Kana Matsudaira
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, 577-8502, Higashi, Osaka, Japan
| | - Yoshitane Imai
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, 577-8502, Higashi, Osaka, Japan
| | - Takashi Tsuno
- Department of Applied Molecular Chemistry, College of Industrial Technology, Nihon University, 275-8575, Narashino, Chiba, Japan
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24
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Song J, Xiao H, Fang L, Qu L, Zhou X, Xu ZX, Yang C, Xiang H. Highly Phosphorescent Planar Chirality by Bridging Two Square-Planar Platinum(II) Complexes: Chirality Induction and Circularly Polarized Luminescence. J Am Chem Soc 2022; 144:2233-2244. [DOI: 10.1021/jacs.1c11699] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Jintong Song
- College of Chemistry, Sichuan University, Chengdu 610064, People’s Republic of China
| | - Hui Xiao
- Department of Chemistry, Southern University of Science and Technology, Shenzhen 518000, People’s Republic of China
| | - Lizhi Fang
- College of Chemistry, Sichuan University, Chengdu 610064, People’s Republic of China
| | - Lang Qu
- College of Chemistry, Sichuan University, Chengdu 610064, People’s Republic of China
| | - Xiangge Zhou
- College of Chemistry, Sichuan University, Chengdu 610064, People’s Republic of China
| | - Zong-Xiang Xu
- Department of Chemistry, Southern University of Science and Technology, Shenzhen 518000, People’s Republic of China
| | - Cheng Yang
- College of Chemistry, Sichuan University, Chengdu 610064, People’s Republic of China
| | - Haifeng Xiang
- College of Chemistry, Sichuan University, Chengdu 610064, People’s Republic of China
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25
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Takaishi K, Nakatsuka Y, Asano H, Yamada Y, Ema T. Ruthenium Complexes Bearing Axially Chiral Bipyridyls: The Mismatched Diastereomer Showed Red Circularly Polarized Phosphorescence. Chemistry 2021; 28:e202104212. [PMID: 34837262 DOI: 10.1002/chem.202104212] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Indexed: 12/21/2022]
Abstract
RutheniumII complexes bearing three axially chiral bipyridyl ligands were synthesized as a new family of chiral complex dyes, and Δ-(S)- and Λ-(S)-diastereomers were obtained. The X-ray crystal structure analyses, spectroscopy, and DFT calculations suggested that all the bipyridyls maintained chirality in both the ground and excited states, and the Δ-(S)- and Λ-(S)-isomers are the matched (more relaxed) and mismatched (more constrained) pairs, respectively. The mismatched Λ-(S)-isomer exhibited red circularly polarized phosphorescence (CPP) both in solution and in the solid state. The solution state CPP is the most intense of ruthenium complexes, while the solid state CPP is the first example of them. It is supposed that, for the Λ-(S)-isomer, the six cumulative CH/π interactions suppress further distortion in the T1 state.
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Affiliation(s)
- Kazuto Takaishi
- Division of Applied Chemistry, Graduate School of Natural Science and Technology, Okayama University Tsushima, Okayama, 700-8530, Japan
| | - Yusuke Nakatsuka
- Division of Applied Chemistry, Graduate School of Natural Science and Technology, Okayama University Tsushima, Okayama, 700-8530, Japan
| | - Hitomi Asano
- Division of Applied Chemistry, Graduate School of Natural Science and Technology, Okayama University Tsushima, Okayama, 700-8530, Japan
| | - Yuya Yamada
- Division of Applied Chemistry, Graduate School of Natural Science and Technology, Okayama University Tsushima, Okayama, 700-8530, Japan
| | - Tadashi Ema
- Division of Applied Chemistry, Graduate School of Natural Science and Technology, Okayama University Tsushima, Okayama, 700-8530, Japan
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26
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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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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27
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Du C, Zhu X, Yang C, Liu M. Stacked Reticular Frame Boosted Circularly Polarized Luminescence of Chiral Covalent Organic Frameworks. Angew Chem Int Ed Engl 2021; 61:e202113979. [PMID: 34693602 DOI: 10.1002/anie.202113979] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Indexed: 12/22/2022]
Abstract
Chiral covalent organic frameworks (COFs) with circularly polarized luminescence (CPL) are intriguing as advanced chiroptical materials but have not been reported to date. We constructed chiroptical COF materials with CPL activity through the convenient Knoevenagel condensation of formyl-functionalized axially chiral linkers and C3-symmetric 1,3,5-benzenetriacetonitrile. Remarkably, the as-prepared chiral COFs showed high absorption and luminescent dissymmetric factors up to 0.02 (gabs ) and 0.04 (glum ), respectively. In contrast, the branched chiral polymers from the same starting monomers were CPL silent. Structural and spectral characterization revealed that the reticular frame was indispensable for CPL generation via confined chirality transfer. Moreover, reticular stacking boosted the CPL performance significantly due to the interlayer restriction of frame. This work demonstrates the first example of a CPL-active COF and provides insight into CPL generation through covalent reticular chemistry, which will play a constructive role in the future design of high-performance CPL materials.
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Affiliation(s)
- Cong Du
- Beijing National Laboratory for Molecular Science (BNLMS), Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, ZhongGuanCun North First Street 2, Beijing, 100190, China
| | - Xuefeng Zhu
- Beijing National Laboratory for Molecular Science (BNLMS), Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, ZhongGuanCun North First Street 2, Beijing, 100190, China
| | - Chenchen Yang
- Beijing National Laboratory for Molecular Science (BNLMS), Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, ZhongGuanCun North First Street 2, Beijing, 100190, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Minghua Liu
- Beijing National Laboratory for Molecular Science (BNLMS), Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, ZhongGuanCun North First Street 2, Beijing, 100190, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
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28
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Gauthier ES, Cordier M, Dorcet V, Vanthuyne N, Favereau L, Williams JAG, Crassous J. Helically Chiral NHC‐Gold(I) Complexes: Synthesis, Chiroptical Properties and Electronic Features of the [5]Helicene‐Imidazolylidene Ligand. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100722] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
| | - Marie Cordier
- Univ Rennes CNRS, ISCR – UMR 6226 35000 Rennes France
| | | | - Nicolas Vanthuyne
- Aix Marseille University CNRS Centrale Marseille, iSm2 13284 Marseille France
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29
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Hu S, Hu L, Zhu X, Wang Y, Liu M. Chiral V-shaped Pyrenes: Hexagonal Packing, Superhelix, and Amplified Chiroptical Performance. Angew Chem Int Ed Engl 2021; 60:19451-19457. [PMID: 34196488 DOI: 10.1002/anie.202107842] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2021] [Revised: 06/29/2021] [Indexed: 12/14/2022]
Abstract
Here, we designed symmetric and dissymmetric chiral V-shaped pyrenes by linking achiral pyrenes to trans-1,2-cyclohexane diamine scaffolds with varied spacers to investigate their circular dichroism (CD) and circularly polarized excimer emission (CPEE). In molecular solution, the symmetric V-shaped molecules (P1, P2, P3) displayed spacer-dependent CD and CPEE originating from the intramolecular excimers while the dissymmetric V-shaped B was silent in CD and CPEE. Upon self-assembly, the chiral V-shaped conformation guided a helical hexagonal packing. Notably, P1 self-assembled into delicate superhelices with optimum chiroptical activities and the largest gCD for pyrene derivatives to date. The dissymmetric B formed two distinct hexagonal aggregates as twists and rectangular nanotubes with greatly amplified CPEE. This work demonstrates unprecedented hexagonal superhelices from chiral V-shaped scaffolds and provides a deep insight into the relationship between molecular conformation, supramolecular architectures, and their chiroptical performance.
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Affiliation(s)
- Song Hu
- Beijing National Laboratory for Molecular Science (BNLMS), Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, ZhongGuanCun North First Street 2, Beijing, 100190, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Liangyu Hu
- Beijing National Laboratory for Molecular Science (BNLMS), Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, ZhongGuanCun North First Street 2, Beijing, 100190, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xuefeng Zhu
- Beijing National Laboratory for Molecular Science (BNLMS), Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, ZhongGuanCun North First Street 2, Beijing, 100190, China
| | - Yuan Wang
- Beijing National Laboratory for Molecular Science (BNLMS), Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, ZhongGuanCun North First Street 2, Beijing, 100190, China
| | - Minghua Liu
- Beijing National Laboratory for Molecular Science (BNLMS), Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, ZhongGuanCun North First Street 2, Beijing, 100190, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
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30
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Hu S, Hu L, Zhu X, Wang Y, Liu M. Chiral V‐shaped Pyrenes: Hexagonal Packing, Superhelix, and Amplified Chiroptical Performance. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202107842] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Song Hu
- Beijing National Laboratory for Molecular Science (BNLMS) Key Laboratory of Colloid, Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences ZhongGuanCun North First Street 2 Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Liangyu Hu
- Beijing National Laboratory for Molecular Science (BNLMS) Key Laboratory of Colloid, Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences ZhongGuanCun North First Street 2 Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Xuefeng Zhu
- Beijing National Laboratory for Molecular Science (BNLMS) Key Laboratory of Colloid, Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences ZhongGuanCun North First Street 2 Beijing 100190 China
| | - Yuan Wang
- Beijing National Laboratory for Molecular Science (BNLMS) Key Laboratory of Colloid, Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences ZhongGuanCun North First Street 2 Beijing 100190 China
| | - Minghua Liu
- Beijing National Laboratory for Molecular Science (BNLMS) Key Laboratory of Colloid, Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences ZhongGuanCun North First Street 2 Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
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31
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Yang D, Han J, Sang Y, Zhao T, Liu M, Duan P. Steering Triplet-Triplet Annihilation Upconversion through Enantioselective Self-Assembly in a Supramolecular Gel. J Am Chem Soc 2021; 143:13259-13265. [PMID: 34387996 DOI: 10.1021/jacs.1c05927] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Research on chiral selection and recognition not only is of fundamental importance in resolving the origin of biological homochirality, but also is instructive in the fabrication of controlled molecular organization in supramolecular systems to modulate their chirality-related functional properties. Here we report an enantioselective assembly process between a chiral energy donor and two enantiomeric energy acceptors, which further results in chirality-controlled energy transfer and enantioselective triplet-triplet annihilation upconversion (TTA-UC). It is found that the chiral energy donor Pd(II) octaethylporphyrin derivative PdOEP-LG12 (RD) can selectively coassemble with the chiral energy acceptor LGAn (RA) with the same chiral scaffold but tends to form segregation with the energy acceptor DGAn (SA) with the opposite chiral scaffold in a thermodynamic equilibrium state. Thus, the coassembly of RA/RD shows more effective triplet-triplet energy transfer (TTET) and stronger upconverted luminescence and upconverted circularly polarized luminescence in comparison to the segregation of SA/RD. The establishment of such an enantioselective TTA-UC system highlights the applications of chirality-regulated triplet fusion in optoelectronic materials.
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Affiliation(s)
- Dong Yang
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology (NCNST), No. 11 ZhongGuanCun BeiYiTiao, 100190 Beijing, People's Republic of China.,Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, No. 2 ZhongGuanCun BeiYiJie, 100190 Beijing, People's Republic of China.,University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Jianlei Han
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology (NCNST), No. 11 ZhongGuanCun BeiYiTiao, 100190 Beijing, People's Republic of China
| | - Yutao Sang
- Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, No. 2 ZhongGuanCun BeiYiJie, 100190 Beijing, People's Republic of China.,University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Tonghan Zhao
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology (NCNST), No. 11 ZhongGuanCun BeiYiTiao, 100190 Beijing, People's Republic of China.,University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Minghua Liu
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology (NCNST), No. 11 ZhongGuanCun BeiYiTiao, 100190 Beijing, People's Republic of China.,Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, No. 2 ZhongGuanCun BeiYiJie, 100190 Beijing, People's Republic of China.,University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Pengfei Duan
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology (NCNST), No. 11 ZhongGuanCun BeiYiTiao, 100190 Beijing, People's Republic of China
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32
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Zhao T, Han J, Shi Y, Zhou J, Duan P. Multi-Light-Responsive Upconversion-and-Downshifting-Based Circularly Polarized Luminescent Switches in Chiral Metal-Organic Frameworks. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2101797. [PMID: 34245189 DOI: 10.1002/adma.202101797] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Revised: 05/07/2021] [Indexed: 05/27/2023]
Abstract
Metal-organic frameworks (MOFs) have attracted tremendous attention for several novel applications. However, functional MOFs with light-responsive circularly polarized luminescence (CPL) are not examined in detail. Therefore, a dual CPL switch exhibiting both upconversion (UC) and downshifting (DS) CPL in the solid state is constructed by loading a luminescent diarylethene derivative (DAEC) and UC nanoparticles (UCNPs) into chiral MOFs. The chiral MOF⊃DAEC composites exhibit both photoswitchable luminescence and DS-CPL properties under alternating UV and visible light irradiation. Additionally, a reversible UC-CPL switch is realized using near-infrared (NIR) and visible light irradiation by introducing energy-level-matched UCNPs and DAEC into the chiral MOFs. The dissymmetry factor (glum ) of UC-CPL is noted to be significantly amplified through energy transfer compared to that of DS-CPL, which indicates that the information on circular polarization can be manipulated by altering the incident light. A chiroptical logic circuit with a 2D information output is designed with UV, visible, and NIR light as inputs by setting a rational threshold.
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Affiliation(s)
- Tonghan Zhao
- CAS Center for Excellence in Nanoscience, CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology (NCNST), No. 11 ZhongGuanCun BeiYiTiao, Beijing, 100190, P. R. China
- School of Nano Science and Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Jianlei Han
- CAS Center for Excellence in Nanoscience, CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology (NCNST), No. 11 ZhongGuanCun BeiYiTiao, Beijing, 100190, P. R. China
| | - Yonghong Shi
- CAS Center for Excellence in Nanoscience, CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology (NCNST), No. 11 ZhongGuanCun BeiYiTiao, Beijing, 100190, P. R. China
- School of Nano Science and Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Jin Zhou
- CAS Center for Excellence in Nanoscience, CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology (NCNST), No. 11 ZhongGuanCun BeiYiTiao, Beijing, 100190, P. R. China
| | - Pengfei Duan
- CAS Center for Excellence in Nanoscience, CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology (NCNST), No. 11 ZhongGuanCun BeiYiTiao, Beijing, 100190, P. R. China
- School of Nano Science and Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
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33
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Braker EE, Mukthar NFM, Schley ND, Ung G. Substituent Effect on the Circularly Polarized Luminescence of
C
1
‐Symmetric Carbene‐Copper(I) Complexes. CHEMPHOTOCHEM 2021. [DOI: 10.1002/cptc.202100068] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Erin E. Braker
- Department of Chemistry University of Connecticut Storrs Connecticut 06269 USA
| | | | - Nathan D. Schley
- Department of Chemistry Vanderbilt University Nashville Tennessee 37235 USA
| | - Gaël Ung
- Department of Chemistry University of Connecticut Storrs Connecticut 06269 USA
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34
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Lee S, Lee Y, Kim K, Heo S, Jeong DY, Kim S, Cho J, Kim C, You Y. Twist to Boost: Circumventing Quantum Yield and Dissymmetry Factor Trade-Off in Circularly Polarized Luminescence. Inorg Chem 2021; 60:7738-7752. [PMID: 33760606 DOI: 10.1021/acs.inorgchem.1c00070] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Circularly polarized luminescence (CPL) enables promising applications in asymmetric photonics. However, the performances of CPL molecules do not yet meet the requirements of these applications. The shortcoming originates from the trade-off in CPL between the photoluminescence quantum yield (PLQY) and the photoluminescence dissymmetry factor (gPL). In this study, we developed a molecular strategy to circumvent this trade-off. Our approach takes advantage of the strong propensity of [Pt(N^C^N)Cl], where the N^C^N ligand is 1-(2-oxazoline)-3-(2-pyridyl)phenylate, to form face-to-face stacks. We introduced chiral substituents, including (S)-methyl, (R)- and (S)-isopropyl, and (S)-indanyl groups, into the ligand framework. This asymmetric control induces torsional displacements that give homohelical stacks of the Pt(II) complexes. X-ray single-crystal structure analyses for the (S)-isopropyl Pt(II) complex reveal the formation of a homohelical dimer with a Pt···Pt distance of 3.48 Å, which is less than the sum of the van der Waals radii of Pt. This helical stack elicits the metal-metal-to-ligand charge-transfer (MMLCT) transition that exhibits strong chiroptical activity due to the electric transition moment making an acute angle to the magnetic transition moment. The PLQY and gPL values of the MMLCT phosphorescence emission of the (S)-isopropyl Pt(II) complex are 0.49 and 8.4 × 10-4, which are improved by factors of ca. 6 and 4, respectively, relative to the values of the unimolecular emission (PLQY, 0.078; gPL, 2.4 × 10-4). Our photophysical measurements for the systematically controlled Pt(II) complexes reveal that the CPL amplifications depend on the chiral substituent. Our investigations also indicate that excimers are not responsible for the enhanced chiroptical activity. To demonstrate the effectiveness of our approach, organic electroluminescence devices were fabricated. The MMLCT emission devices were found to exhibit simultaneous enhancements in the external quantum efficiency (EQE, 9.7%) and the electroluminescence dissymmetry factor (gEL, 1.2 × 10-4) over the unimolecular emission devices (EQE, 5.8%; gEL, 0.3 × 10-4). These results demonstrate the usefulness of using the chiroptically active MMLCT emission for achieving an amplified CPL.
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Affiliation(s)
- Sumin Lee
- Division of Chemical Engineering and Materials Science, and Graduate Program in System Health Science and Engineering, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Yongmoon Lee
- Graduate School of Convergence Science and Technology, and Inter-University Semiconductor Research Center, Seoul National University, Seoul 08826, Republic of Korea
| | - Kyungmin Kim
- Department of Emerging Materials Science, DGIST, Daegu 42988, Republic of Korea
| | - Seunga Heo
- Division of Chemical Engineering and Materials Science, and Graduate Program in System Health Science and Engineering, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Dong Yeun Jeong
- Division of Chemical Engineering and Materials Science, and Graduate Program in System Health Science and Engineering, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Sangsub Kim
- Graduate School of Convergence Science and Technology, and Inter-University Semiconductor Research Center, Seoul National University, Seoul 08826, Republic of Korea
| | - Jaeheung Cho
- Department of Emerging Materials Science, DGIST, Daegu 42988, Republic of Korea.,Department of Chemistry, UNIST, Ulsan 44919, Republic of Korea
| | - Changsoon Kim
- Graduate School of Convergence Science and Technology, and Inter-University Semiconductor Research Center, Seoul National University, Seoul 08826, Republic of Korea
| | - Youngmin You
- Division of Chemical Engineering and Materials Science, and Graduate Program in System Health Science and Engineering, Ewha Womans University, Seoul 03760, Republic of Korea
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35
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Yang Q, Fusè M, Bloino J, Barone V. Interplay of stereo-electronic, vibronic and environmental effects in tuning the chiroptical properties of an Ir(III) cyclometalated N-heterocyclic carbene. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 254:119631. [PMID: 33761386 DOI: 10.1016/j.saa.2021.119631] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 02/11/2021] [Accepted: 02/14/2021] [Indexed: 06/12/2023]
Abstract
Chiroptical spectra are among the most suitable techniques for investigating the ground and excited electronic states of chiral systems, but their interpretation is not straightforward and strongly benefits from quantum chemical simulations, provided that the employed computational model is sufficiently accurate and deals properly with stereo-electronic, vibrational averaging and environmental effects. Since the synergy among all these effects is only rarely accounted for, especially for large and flexible organometallic systems, the main aim of this contribution is to illustrate the latest developments of computational approaches rooted into the density functional theory for describing stereo-electronic effects and complemented by effective techniques to deal with vibrational modulation effects and solvatochromic shifts. In this connection, chiral iridium complexes offer an especially suitable case study in view of their bright phosphorescence, which is particularly significant for building effective light emitting diodes (OLEDs) and biomarkers and can be finely tuned by the nature of the metal ligands. For instance, a recently synthesized family of cycloiridiated complexes, KC and KD, bearing a pentahelicenic N-heterocyclic carbene (KB), has shown an enhanced long-lasting, bright phosphorescence. Deeper insights into the still unclear nature and origin of the enhancement could be gained by the interpretation of the chiroptical spectra, which is quite challenging in view of the presence of two sources of chirality, the chiral center on Ir and the chiral axis related to the helicene ligand, in addition to the relativistic effects related to the presence of the Ir center. At the same time, the large dimensions of KC and KD hamper the use of the most sophisticated (but prohibitively expensive) computational models, so that more approximate approaches must be validated on a suitable model compound. To this end, after optimizing the computational scheme on a model system devoid of the helicene moiety (KA), we have performed a comprehensive investigation of the KC and KD spectra, whose interpretation is further aided by novel graphical tools. The discussion and analysis of the results will not be focused on the theoretical background, but, rather, on practical details (specific functional, basis set, vibronic model, solvent regime) with the aim of providing general guidelines for the use of last-generation computational spectroscopy tools also by non-specialists.
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Affiliation(s)
- Qin Yang
- Scuola Normale Superiore, Piazza dei Cavalieri 7, I-56126 Pisa, Italy
| | - Marco Fusè
- Scuola Normale Superiore, Piazza dei Cavalieri 7, I-56126 Pisa, Italy
| | - Julien Bloino
- Scuola Normale Superiore, Piazza dei Cavalieri 7, I-56126 Pisa, Italy
| | - Vincenzo Barone
- Scuola Normale Superiore, Piazza dei Cavalieri 7, I-56126 Pisa, Italy.
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36
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Pallova L, Gauthier ES, Abella L, Jean M, Vanthuyne N, Dorcet V, Vendier L, Autschbach J, Crassous J, Bastin S, César V. Synthesis and Properties of Partially Saturated Fluorenyl-Derived [n]Helicenes Featuring an Overcrowded Alkene. Chemistry 2021; 27:7722-7730. [PMID: 33780559 DOI: 10.1002/chem.202100150] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Indexed: 01/25/2023]
Abstract
The straightforward, multigram-scale synthesis of the partially saturated H6 -fluoreno[n]helicenes (n=5 or 7) featuring a central, overcrowded alkene is described. The key cyclization step was based on an intramolecular McMurry reaction from the corresponding 1,5-diketones. Chiral stationary phase HPLC analysis and isomer separation indicate that each helicenic compound is constituted of three diastereoisomers at room temperature, i. e. the configurationally stable (R,R,P)/(S,S,M) pair of enantiomers and an apparently achiral compound resulting from the rapid interconversion between the (R,S,P) and (S,R,M) enantiomers. The partially saturated H6 -fluoreno[n]helicenes are oxidatively aromatized to give an efficient access to the corresponding fluoreno[n]helicenes. The chiroptical properties (vibrational and electronic circular dichroism) of the chiral, enantiopure compounds have been measured and analyzed by quantum-chemical calculations, confirming their helicoidal nature.
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Affiliation(s)
- Lenka Pallova
- LCC-CNRS, Université de Toulouse, CNRS, 31077, Toulouse, France
| | - Etienne S Gauthier
- Institut des Sciences Chimiques de Rennes, UMR 6226, Institut de Physique de Rennes, UMR 6251, Campus de Beaulieu, CNRS-Université de Rennes 1, 35042, Rennes Cedex, France
| | - Laura Abella
- Department of chemistry, University at Buffalo - State University of New York, Buffalo, NY 14260, USA
| | - Marion Jean
- Aix Marseille university, CNRS, Centrale Marseille, Ism2, 13397, Marseille, France
| | - Nicolas Vanthuyne
- Aix Marseille university, CNRS, Centrale Marseille, Ism2, 13397, Marseille, France
| | - Vincent Dorcet
- Institut des Sciences Chimiques de Rennes, UMR 6226, Institut de Physique de Rennes, UMR 6251, Campus de Beaulieu, CNRS-Université de Rennes 1, 35042, Rennes Cedex, France
| | - Laure Vendier
- LCC-CNRS, Université de Toulouse, CNRS, 31077, Toulouse, France
| | - Jochen Autschbach
- Department of chemistry, University at Buffalo - State University of New York, Buffalo, NY 14260, USA
| | - Jeanne Crassous
- Institut des Sciences Chimiques de Rennes, UMR 6226, Institut de Physique de Rennes, UMR 6251, Campus de Beaulieu, CNRS-Université de Rennes 1, 35042, Rennes Cedex, France
| | | | - Vincent César
- LCC-CNRS, Université de Toulouse, CNRS, 31077, Toulouse, France
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37
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Tarrieu R, Delgado IH, Zinna F, Dorcet V, Colombel-Rouen S, Crévisy C, Baslé O, Bosson J, Lacour J. Hybrids of cationic [4]helicene and N-heterocyclic carbene as ligands for complexes exhibiting (chir)optical properties in the far red spectral window. Chem Commun (Camb) 2021; 57:3793-3796. [PMID: 33876124 DOI: 10.1039/d1cc00898f] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Synthesis, electronic and structural properties of a chiral NHC bearing a N-bonded cationic [4]helicene moiety are reported. This ligand is used to construct AuI, AuIII and RhI complexes exhibiting far-red (chir)optical properties regardless of the metal.
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Affiliation(s)
- Robert Tarrieu
- Univ Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR - UMR 6226, Rennes F-35000, France.
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38
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Zhang Z, Zhou Y, Gao T, Yan P, Zou X, Li H. Diastereoselective self-assembly of a triple-stranded europium helicate with light modulated chiroptical properties. Dalton Trans 2021; 50:4604-4612. [PMID: 33710241 DOI: 10.1039/d1dt00251a] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Chiroptical photoswitches are of increasing interest for their potential in advanced information technologies. Herein, an achiral bis-β-diketonate ligand (o-L) with a photoresponsive diarylethene moiety as a linker was designed, which co-assembled with Eu3+ ions and R- and S-bis(diphenylphosphoryl)-1,10-binaphthyl (R/S-BINAPO) as chiral ancillaries to form dinuclear triple-stranded helicates, [Eu2(o-L)3(R/S-BINAPO)2]. The helicates in the enantiopure form were confirmed by 1H, 19F, 31P NMR and DOSY NMR analyses. Furthermore, the mirror-image CD and CPL spectra also demonstrate the existence of stable ground- and excited-state chiralities in solution. When exposed to alternate ultraviolet and visible light, the helicates showed reversible color variations from colorless to purple, followed by the presence of light-triggered quadruple optical and chiroptical outputs, named CD, PL, CPL and glum switches. With these light-modulated optical outputs, the possibility for the fabrication of IMPLICATION and INHIBIT logic gates was discussed.
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Affiliation(s)
- Zhihui Zhang
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education; School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, China.
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Zhang Y, Liang X, Luo X, Song S, Li S, Wang Y, Mao Z, Xu W, Zheng Y, Zuo J, Pan Y. Chiral Spiro‐Axis Induced Blue Thermally Activated Delayed Fluorescence Material for Efficient Circularly Polarized OLEDs with Low Efficiency Roll‐Off. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202015411] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Yi‐Pin Zhang
- State Key Laboratory of Coordination Chemistry Collaborative Innovation Center of Advanced Microstructures Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 P. R. China
| | - Xiao Liang
- State Key Laboratory of Coordination Chemistry Collaborative Innovation Center of Advanced Microstructures Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 P. R. China
| | - Xu‐Feng Luo
- State Key Laboratory of Coordination Chemistry Collaborative Innovation Center of Advanced Microstructures Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 P. R. China
| | - Shi‐Quan Song
- State Key Laboratory of Coordination Chemistry Collaborative Innovation Center of Advanced Microstructures Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 P. R. China
| | - Si Li
- State Key Laboratory of Coordination Chemistry Collaborative Innovation Center of Advanced Microstructures Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 P. R. China
- Green Catalysis Center College of Chemistry Zhengzhou University Zhengzhou 450001 P. R. China
| | - Yi Wang
- State Key Laboratory of Coordination Chemistry Collaborative Innovation Center of Advanced Microstructures Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 P. R. China
| | - Zhi‐Ping Mao
- Guangzhou Research & Creativity Biotechnology Co. Ltd. Guangzhou 510700 P. R. China
| | - Wen‐Ye Xu
- Guangzhou Research & Creativity Biotechnology Co. Ltd. Guangzhou 510700 P. R. China
| | - You‐Xuan Zheng
- State Key Laboratory of Coordination Chemistry Collaborative Innovation Center of Advanced Microstructures Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 P. R. China
- Green Catalysis Center College of Chemistry Zhengzhou University Zhengzhou 450001 P. R. China
| | - Jing‐Lin Zuo
- State Key Laboratory of Coordination Chemistry Collaborative Innovation Center of Advanced Microstructures Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 P. R. China
- Green Catalysis Center College of Chemistry Zhengzhou University Zhengzhou 450001 P. R. China
| | - Yi Pan
- State Key Laboratory of Coordination Chemistry Collaborative Innovation Center of Advanced Microstructures Jiangsu Key Laboratory of Advanced Organic Materials School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 P. R. China
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40
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Zhang YP, Liang X, Luo XF, Song SQ, Li S, Wang Y, Mao ZP, Xu WY, Zheng YX, Zuo JL, Pan Y. Chiral Spiro-Axis Induced Blue Thermally Activated Delayed Fluorescence Material for Efficient Circularly Polarized OLEDs with Low Efficiency Roll-Off. Angew Chem Int Ed Engl 2021; 60:8435-8440. [PMID: 33470028 DOI: 10.1002/anie.202015411] [Citation(s) in RCA: 61] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 01/12/2021] [Indexed: 12/18/2022]
Abstract
A spiro-axis skeleton not only introduces circularly polarized luminescence (CPL) into thermally activated delayed fluorescence (TADF) molecules but also enhances the intramolecular through space charge transfer (TSCT) process. Spiral distributed phenoxazine and 2-(trifluoromethyl)-9H-thioxanthen-9-one-10,10-dioxide act as donor and acceptor units, respectively. The resulting TADF enantiomers, (rac)-OSFSO, display emission maxima at 470 nm, small singlet-triplet energy gap (ΔEST ) of 0.022 eV and high photoluminescence quantum yield (PLQY) of 81.2 % in co-doped film. The circularly polarized OLEDs (CP-OLEDs) based on (R)-OSFSO and (S)-OSFSO display obvious circularly polarized electroluminescence (CPEL) signals with dissymmetry factor up to 3.0×10-3 and maximum external quantum efficiency (EQEmax ) of 20.0 %. Moreover, the devices show remarkably low efficiency roll-off with an EQE of 19.3 % at 1000 cd m-2 (roll-off ca. 3.5 %), which are among the top results of CP-OLEDs.
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Affiliation(s)
- Yi-Pin Zhang
- State Key Laboratory of Coordination Chemistry, Collaborative Innovation Center of Advanced Microstructures, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China
| | - Xiao Liang
- State Key Laboratory of Coordination Chemistry, Collaborative Innovation Center of Advanced Microstructures, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China
| | - Xu-Feng Luo
- State Key Laboratory of Coordination Chemistry, Collaborative Innovation Center of Advanced Microstructures, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China
| | - Shi-Quan Song
- State Key Laboratory of Coordination Chemistry, Collaborative Innovation Center of Advanced Microstructures, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China
| | - Si Li
- State Key Laboratory of Coordination Chemistry, Collaborative Innovation Center of Advanced Microstructures, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China.,Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou, 450001, P. R. China
| | - Yi Wang
- State Key Laboratory of Coordination Chemistry, Collaborative Innovation Center of Advanced Microstructures, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China
| | - Zhi-Ping Mao
- Guangzhou Research & Creativity Biotechnology Co. Ltd., Guangzhou, 510700, P. R. China
| | - Wen-Ye Xu
- Guangzhou Research & Creativity Biotechnology Co. Ltd., Guangzhou, 510700, P. R. China
| | - You-Xuan Zheng
- State Key Laboratory of Coordination Chemistry, Collaborative Innovation Center of Advanced Microstructures, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China.,Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou, 450001, P. R. China
| | - Jing-Lin Zuo
- State Key Laboratory of Coordination Chemistry, Collaborative Innovation Center of Advanced Microstructures, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China.,Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou, 450001, P. R. China
| | - Yi Pan
- State Key Laboratory of Coordination Chemistry, Collaborative Innovation Center of Advanced Microstructures, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China
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41
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van Vuuren E, Malan FP, Landman M. Multidentate NHC complexes of group IX metals featuring carbon-based tethers: Synthesis and applications. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2020.213731] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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42
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Lin J, Xie M, Zhang X, Gao Q, Chang X, Zou C, Lu W. Helically chiral Pd(ii) complexes containing intramolecular PdPd metallophilicity as circularly polarized molecular phosphors. Chem Commun (Camb) 2021; 57:1627-1630. [PMID: 33459300 DOI: 10.1039/d0cc08188d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Carbon-centred chirality of the pincer-type cyclometalated ligands is transferred to the helical chirality of dinuclear and tetranuclear Pd(ii) arylacetylide complexes, and hence phosphorescence with quantum yields up to 50% and dissymmetry factors in the 10-3 scale from the metal-metal-to-ligand charge-transfer excited states has been recorded in diluted solutions.
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Affiliation(s)
- Jinqiang Lin
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, Heilongjiang, P. R. China
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43
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August DP, Jaramillo-Garcia J, Leigh DA, Valero A, Vitorica-Yrezabal IJ. A Chiral Cyclometalated Iridium Star of David [2]Catenane. J Am Chem Soc 2021; 143:1154-1161. [DOI: 10.1021/jacs.0c12038] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- David P. August
- Department of Chemistry, University of Manchester, Manchester M13 9PL, United Kingdom
| | | | - David A. Leigh
- Department of Chemistry, University of Manchester, Manchester M13 9PL, United Kingdom
| | - Alberto Valero
- Department of Chemistry, University of Manchester, Manchester M13 9PL, United Kingdom
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44
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Song L, Zhou Y, Gao T, Yan P, Li H. Point Chirality Regulated Diastereoselective Self-Assembly and Circularly Polarized Luminescence in Eu(III) Triple-Stranded Helicates. ACTA CHIMICA SINICA 2021. [DOI: 10.6023/a21040185] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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45
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Gauthier ES, Hellou N, Caytan E, Del Fré S, Dorcet V, Vanthuyne N, Favereau L, Srebro-Hooper M, Williams JAG, Crassous J. Triskelion-shaped iridium-helicene NHC complex. Inorg Chem Front 2021. [DOI: 10.1039/d1qi00527h] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Triskelion-shaped cycloiridiated complexes with three N-[6]helicenyl-NHC ligands were prepared with uncommon diastereoselectivities and their configurations were assigned using NMR analyses. They show strong ECD and OR, and yellow CP phosphorescence.
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Affiliation(s)
| | | | | | - Samuel Del Fré
- Faculty of Chemistry
- Jagiellonian University
- 30-387 Krakow
- Poland
| | | | - Nicolas Vanthuyne
- Aix Marseille University
- CNRS Centrale Marseille
- 13284 Marseille
- France
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46
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Wang Z, Jiang L, Ji J, Zhou F, Lan J, You J. Construction of Cationic Azahelicenes: Regioselective Three‐Component Annulation Using In Situ Activation Strategy. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202010051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Zhishuo Wang
- Key Laboratory of Green Chemistry and Technology of Ministry of Education College of Chemistry Sichuan University 29 Wangjiang Road Chengdu 610064 People's Republic of China
| | - Linfeng Jiang
- Key Laboratory of Green Chemistry and Technology of Ministry of Education College of Chemistry Sichuan University 29 Wangjiang Road Chengdu 610064 People's Republic of China
| | - Jinwen Ji
- Key Laboratory of Green Chemistry and Technology of Ministry of Education College of Chemistry Sichuan University 29 Wangjiang Road Chengdu 610064 People's Republic of China
| | - Fulin Zhou
- Key Laboratory of Green Chemistry and Technology of Ministry of Education College of Chemistry Sichuan University 29 Wangjiang Road Chengdu 610064 People's Republic of China
| | - Jingbo Lan
- Key Laboratory of Green Chemistry and Technology of Ministry of Education College of Chemistry Sichuan University 29 Wangjiang Road Chengdu 610064 People's Republic of China
| | - Jingsong You
- Key Laboratory of Green Chemistry and Technology of Ministry of Education College of Chemistry Sichuan University 29 Wangjiang Road Chengdu 610064 People's Republic of China
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47
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Arrico L, Di Bari L, Zinna F. Quantifying the Overall Efficiency of Circularly Polarized Emitters. Chemistry 2020; 27:2920-2934. [DOI: 10.1002/chem.202002791] [Citation(s) in RCA: 105] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Indexed: 01/06/2023]
Affiliation(s)
- Lorenzo Arrico
- Dipartimento di Chimica e Chimica Industriale Università di Pisa Via Moruzzi 13 56124 Pisa Italy
| | - Lorenzo Di Bari
- Dipartimento di Chimica e Chimica Industriale Università di Pisa Via Moruzzi 13 56124 Pisa Italy
| | - Francesco Zinna
- Dipartimento di Chimica e Chimica Industriale Università di Pisa Via Moruzzi 13 56124 Pisa Italy
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Morvan J, Vermersch F, Zhang Z, Falivene L, Vives T, Dorcet V, Roisnel T, Crévisy C, Cavallo L, Vanthuyne N, Bertrand G, Jazzar R, Mauduit M. Optically Pure C1-Symmetric Cyclic(alkyl)(amino)carbene Ruthenium Complexes for Asymmetric Olefin Metathesis. J Am Chem Soc 2020; 142:19895-19901. [PMID: 33185429 DOI: 10.1021/jacs.0c10705] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
An expedient access to the first optically pure ruthenium complexes containing C1-symmetric cyclic (alkyl)(amino)carbene ligands is reported. They demonstrate excellent catalytic performances in asymmetric olefin metathesis with high enantioselectivities (up to 92% ee). Preliminary mechanistic insights provided by density functional theory models highlight the origin of the enantioselectivity.
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Affiliation(s)
- Jennifer Morvan
- Université de Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR UMR 6226, F-35000Rennes, France
| | - François Vermersch
- UCSD-CNRS Joint Research Chemistry Laboratory (UMI 3555), Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, California 92093-0358, United States
| | - Ziyun Zhang
- King Abdullah University of Science and Technology (KAUST), KAUST Catalysis Center (KCC), Thuwal 23955-6900, Saudi Arabia
| | - Laura Falivene
- Dipartimento di Chimica e Biologia, Università di Salerno, Via Papa Paolo Giovanni II, 84100 Fisiciano, Italy
| | - Thomas Vives
- Université de Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR UMR 6226, F-35000Rennes, France
| | - Vincent Dorcet
- Université de Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR UMR 6226, F-35000Rennes, France
| | - Thierry Roisnel
- Université de Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR UMR 6226, F-35000Rennes, France
| | - Christophe Crévisy
- Université de Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR UMR 6226, F-35000Rennes, France
| | - Luigi Cavallo
- King Abdullah University of Science and Technology (KAUST), KAUST Catalysis Center (KCC), Thuwal 23955-6900, Saudi Arabia
| | - Nicolas Vanthuyne
- Aix Marseille Université, CNRS, Centrale Marseille, iSm2, Marseille 13397, France
| | - Guy Bertrand
- UCSD-CNRS Joint Research Chemistry Laboratory (UMI 3555), Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, California 92093-0358, United States
| | - Rodolphe Jazzar
- UCSD-CNRS Joint Research Chemistry Laboratory (UMI 3555), Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, California 92093-0358, United States
| | - Marc Mauduit
- Université de Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR UMR 6226, F-35000Rennes, France
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49
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Wang Z, Jiang L, Ji J, Zhou F, Lan J, You J. Construction of Cationic Azahelicenes: Regioselective Three‐Component Annulation Using In Situ Activation Strategy. Angew Chem Int Ed Engl 2020; 59:23532-23536. [DOI: 10.1002/anie.202010051] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 08/30/2020] [Indexed: 01/02/2023]
Affiliation(s)
- Zhishuo Wang
- Key Laboratory of Green Chemistry and Technology of Ministry of Education College of Chemistry Sichuan University 29 Wangjiang Road Chengdu 610064 People's Republic of China
| | - Linfeng Jiang
- Key Laboratory of Green Chemistry and Technology of Ministry of Education College of Chemistry Sichuan University 29 Wangjiang Road Chengdu 610064 People's Republic of China
| | - Jinwen Ji
- Key Laboratory of Green Chemistry and Technology of Ministry of Education College of Chemistry Sichuan University 29 Wangjiang Road Chengdu 610064 People's Republic of China
| | - Fulin Zhou
- Key Laboratory of Green Chemistry and Technology of Ministry of Education College of Chemistry Sichuan University 29 Wangjiang Road Chengdu 610064 People's Republic of China
| | - Jingbo Lan
- Key Laboratory of Green Chemistry and Technology of Ministry of Education College of Chemistry Sichuan University 29 Wangjiang Road Chengdu 610064 People's Republic of China
| | - Jingsong You
- Key Laboratory of Green Chemistry and Technology of Ministry of Education College of Chemistry Sichuan University 29 Wangjiang Road Chengdu 610064 People's Republic of China
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50
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Abstract
Helicenes, chiral members of the family of polyaromatic hydrocarbons, have been increasingly used in a variety of applications in recent years. Despite their intriguing properties, wider utilization is hindered by difficult functionalization of its skeleton, which would provide access to finely tuned derivatives of desired properties. Herein, the recent advancements in the field of helicene functionalization are discussed with an emphasis on different types of transformations, their versatility, and regioselectivity.
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Affiliation(s)
- Martin Jakubec
- Department of Advanced Materials and Organic Synthesis, Institute of Chemical Process Fundamentals of the CAS, v. v. i., Rozvojová 2/135, Prague 6, 165 02, Czech Republic
| | - Jan Storch
- Department of Advanced Materials and Organic Synthesis, Institute of Chemical Process Fundamentals of the CAS, v. v. i., Rozvojová 2/135, Prague 6, 165 02, Czech Republic
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