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Yoon S, Teets TS. Ancillary Ligand Steric Effects and Cyclometalating Ligand Substituents Control Excited-State Decay Kinetics in Red-Phosphorescent Platinum Complexes. J Am Chem Soc 2024. [PMID: 39357044 DOI: 10.1021/jacs.4c10110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2024]
Abstract
Achieving high-efficiency red phosphorescence remains a significant challenge, especially in cyclometalated platinum complexes where radiative rates are inherently slower than their iridium counterparts. In this work, six red-emitting cyclometalated platinum complexes of the formula Pt(C∧N)[(Ar)acNac] (C∧N is the cyclometalating ligand, and (Ar)acNac is an aryl-substituted β-ketoiminate ancillary ligand) were synthesized and characterized. Two C∧N ligands were employed, 1-phenylisoquinoline (piq) and its cyano-substituted analogue 1-phenylisoquinoline-4-carbonitrile (piqCN), which both result in red phosphorescence in cyclometalated platinum complexes. These were paired with three (Ar)acNac ligands that are sterically differentiated via the N-aryl group, which is phenyl in the unsubstituted analogue (Ph)acNac and 2,6-dimethylphenyl or 2,6-diisopropylphenyl in the sterically encumbered analogues. An in-depth photophysical analysis of all compounds was performed and compared to the related compounds with the acetylacetonate (acac) ancillary ligand. While quantum yields are modest in the unsubstituted (Ph)acNac complexes, steric bulk on the β-ketoiminate has a pronounced effect on the excited-state dynamics and can lead to photoluminescence quantum yields of more than 0.50 in both solution and transparent polymer films, with the photoluminescence λmax ∼ 630 nm. We show that both steric effects on the electron-rich β-ketoiminate ancillary ligands and the cyano substituent on the cyclometalating ligand play a role in achieving high-efficiency phosphorescence in the red region.
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Affiliation(s)
- Sungwon Yoon
- Department of Chemistry, University of Houston, Houston, Texas 77204, United States
| | - Thomas S Teets
- Department of Chemistry, University of Houston, Houston, Texas 77204, United States
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2
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Xiao H, Wang JY, Zhang LY, Shi LX, Wang ZY, Chen ZN. Naphthalimide-Modified Clusters for Red-Emitting Devices with High Color Purity. Inorg Chem 2024; 63:17157-17165. [PMID: 39236295 DOI: 10.1021/acs.inorgchem.4c02838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/07/2024]
Abstract
Conventional fluorescent materials frequently exhibit narrow-band emissions with a small full width at half-maximum (fwhm) due to localized-state characteristics, but electroluminescence is less efficient owing to the utilization of only singlet excitons. In this work, taking advantage of naphthalimide (NAI)-acetylide derivatives with a rigid planar structure and localized transition characteristics, we elaborately designed two mononuclear Pt(II) complexes with weak double emissions of fluorescence and phosphorescence. Taking them as synthetic precursors, we prepared three PtAu2 heteronuclear clusters and successfully attained highly efficient narrow-band red phosphorescence with the fwhm below 30 nm. Both theoretical and experimental results suggest that the phosphorescence of PtAu2 clusters mainly originates from the naphthalimide-localized 3IL (intraligand) triplet state. Solution-processed organic light-emitting diodes (OLEDs) achieved highly efficient narrow-band red electroluminescence with an external quantum efficiency (EQE) of 16.7%. The CIE coordinates of the electroluminescence (0.69, 0.31) closely match the standard red emission for ultrahigh-definition display.
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Affiliation(s)
- Hui Xiao
- Key Laboratory of Water Security and Water Environment Protection in Plateau Intersection, Ministry of Education, Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province, College of Chemistry & Chemical Engineering, Northwest Normal University, Lanzhou 730070, China
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
- University of Chinese Academy of Sciences, Beijing 100039, China
| | - Jin-Yun Wang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
| | - Li-Yi Zhang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
| | - Lin-Xi Shi
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
| | - Zhao-Yi Wang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
- University of Chinese Academy of Sciences, Beijing 100039, China
| | - Zhong-Ning Chen
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
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Thakur V, Thomas JM, Adnan M, Sivasankar C, Vijaya Prakash G, Thirupathi N. Syntheses, structural, photophysical and theoretical studies of heteroleptic cycloplatinated guanidinate(1-) complexes bearing acetylacetonate and picolinate ancillary ligands. RSC Adv 2024; 14:13291-13305. [PMID: 38655486 PMCID: PMC11037393 DOI: 10.1039/d4ra00828f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Accepted: 04/14/2024] [Indexed: 04/26/2024] Open
Abstract
Cycloplatination of symmetrical N,N',N''-triarylguanidines, (ArNH)2C[double bond, length as m-dash]NAr with cis-[Pt(TFA)2(S(O)Me2)2] in toluene afforded cis-[Pt(TAG)(TFA)(S(O)Me2)] (TAG = triarylguanidinate(1-)-κC,κN; TFA = OC(O)CF3; 6-9) in 75-82% yields. The reactions of 6-9 and the previously known cis-[Pt(TAG)X(S(O)Me2)] (X = Cl (1) and TFA (2-5)) with acetylacetone (acacH) or 2-picolinic acid (picH) in the presence of a base afforded [Pt(TAG)(acac)] (acac = acetylacetonate-κ2O,O'; 10-18) and [Pt(TAG)(pic)] (pic = 2-picolinate-κN,κO; 19) in high yields. The new complexes were characterised by analytical, IR and multinuclear NMR spectroscopies. Further, molecular structures of 11, 12, 13·0.5 toluene and 14-19 were determined by single crystal X-ray diffraction. Absorption spectra of 10-19 in solution and their emission spectra in crystalline form were measured. Platinacycles 10-19 are bluish green light emitter in the crystalline form, and emit in the λPL = 488-529 nm range (11 and 13-19) while 12 emits at λPL = 570 nm. Unlike other platinacycles, the emission band of 12 is broad, red shifted, and this pattern is ascribed to the presence of an intermolecular N-H⋯Pt interaction involving the endocyclic amino unit of the six-membered [Pt(TAG)] ring and the Pt(ii) atom in the adjacent molecule in an asymmetric unit of the crystal lattice. Lifetime measurements were carried out for all platinacycles in crystalline form, which revealed lifetime in the order of nanoseconds. The origin of absorption and emission properties of 11, 15, 18 and 19 were studied by TD-DFT calculations.
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Affiliation(s)
- Vasudha Thakur
- Department of Chemistry, University of Delhi Delhi 110 007 India
| | - Jisha Mary Thomas
- Department of Chemistry, Catalysis and Energy Laboratory, Pondicherry University Puducherry 605 014 India
| | - Mohammad Adnan
- Department of Physics, Nanophotonics Laboratory, Indian Institute of Technology-Delhi New Delhi 110 016 India
| | - Chinnappan Sivasankar
- Department of Chemistry, Catalysis and Energy Laboratory, Pondicherry University Puducherry 605 014 India
| | - G Vijaya Prakash
- Department of Physics, Nanophotonics Laboratory, Indian Institute of Technology-Delhi New Delhi 110 016 India
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4
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Maity A, Mishra VK, Dolai S, Mishra S, Patra SK. Design, Synthesis, and Characterization of Organometallic BODIPY-Ru(II) Dyads: Redox and Photophysical Properties with Singlet Oxygen Generation Capability†. Inorg Chem 2024; 63:4839-4854. [PMID: 38433436 DOI: 10.1021/acs.inorgchem.3c03610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2024]
Abstract
A series of Ru(II)-acetylide complexes (Ru1, Ru2, and Ru1m) with alkynyl-functionalized borondipyrromethene (BODIPY) conjugates were designed by varying the position of the linker that connects the BODIPY unit to the Ru(II) metal center through acetylide linkage at either the 2-(Ru1) and 2,6-(Ru2) or the meso-phenyl (Ru1m) position of the BODIPY scaffold. The Ru(II) organometallic complexes were characterized by various spectroscopic methods, including nuclear magnetic resonance (NMR) spectroscopy, infrared (IR) spectroscopy, CHN, and high-resolution mass spectrometry (HRMS) analyses. The Ru(II)-BODIPY conjugates exhibit fascinating electrochemical and photophysical properties. All BODIPY-Ru(II) complexes exhibit strong absorption (εmax = 29,000-72,000 M-1 cm-1) in the visible region (λmax = 502-709 nm). Fluorescence is almost quenched for Ru1 and Ru2, whereas Ru1m shows the residual fluorescence of the corresponding BODIPY core at 517 nm. The application of the BODIPY-Ru(II) dyads as nonporphyrin-based triplet photosensitizers was explored by a method involving the singlet oxygen (1O2)-mediated photo-oxidation of diphenylisobenzofuran. Effective π-conjugation between the BODIPY chromophore and Ru(II) center in the case of Ru1 and Ru2 was found to be necessary to improve intersystem crossing (ISC) and hence the 1O2-sensitizing ability. In addition, electrochemical studies indicate electronic interplay between the metal center and the redox-active BODIPY in the BODIPY-Ru(II) dyads.
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Affiliation(s)
- Apurba Maity
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, West Bengal, India
| | - Vipin Kumar Mishra
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, West Bengal, India
| | - Suman Dolai
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, West Bengal, India
| | - Sabyashachi Mishra
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, West Bengal, India
| | - Sanjib K Patra
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, West Bengal, India
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Hendi Z, Jamali S, Chabok SMJ, Jamjah A, Samouei H, Jamshidi Z. Bis-N-Heterocyclic Carbene Complexes of Coinage Metals Containing Four Naphthalimide Units: A Structure-Emission Properties Relationship Study. Inorg Chem 2021; 60:12924-12933. [PMID: 34403580 DOI: 10.1021/acs.inorgchem.1c01302] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Naphthalimide derivatives provide highly versatile self-assembled systems and aggregated forms with fascinating emission properties that make them potential candidates for many applications such as bioimaging and sensing. Although various aggregated species of naphthalimide derivatives have been well documented, little is known about the correlation between their structure and photophysical properties. Here the preparation of a series of tetrameric naphthalimide molecules in which naphthalimide units are linked by bis-N-heterocyclic carbene complexes of coinage metals is described. An in-depth structural investigation into these tetramers has been carried out in solution and the solid state using spectroscopic methods, X-ray crystallography, and computational methods. The experimental and calculated data indicate that the magnitude of the intramolecular interchromophoric π-interactions increases either by an increase in the metal ionic radius or on going from the solid to the solution state. These tetrameric naphthalimide compounds show intramolecular excimeric emissions in the solid and solution phases. However, the quantum yield efficiencies of these excimeric emissions show a trend similar to that for the intramolecular π-interactions either by going from the solution to the solid state or with an increase in the metal ionic radius. Surprisingly, the amine derivative analogues of the silver(I) compound showed an unusual increase in the emission quantum yield efficiency to 92% in solution due to intramolecular hydrogen bonds between amine substituents on adjacent naphthalimde units.
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Affiliation(s)
- Zohreh Hendi
- Department of Chemistry, Sharif University of Technology, P.O. Box 11155-3516, Tehran, Iran
| | - Sirous Jamali
- Department of Chemistry, Sharif University of Technology, P.O. Box 11155-3516, Tehran, Iran
| | - Seyed Mohamad J Chabok
- Department of Chemistry, Sharif University of Technology, P.O. Box 11155-3516, Tehran, Iran
| | - Ali Jamjah
- Department of Chemistry, Sharif University of Technology, P.O. Box 11155-3516, Tehran, Iran
| | - Hamidreza Samouei
- Department of Chemistry, Texas A&M University, P.O. Box 30012, College Station, Texas 77842-3012, United States
| | - Zahra Jamshidi
- Department of Chemistry, Sharif University of Technology, P.O. Box 11155-3516, Tehran, Iran
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6
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Ahmad W, Wang J, Li H, Ouyang Q, Wu W, Chen Q. Strategies for combining triplet–triplet annihilation upconversion sensitizers and acceptors in a host matrix. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.213944] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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7
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Xu W, Zhao X, An X, Wang S, Zhang J, Li Z, Wu W, Wu M. Alkali Halide Boost of Carbon Nitride for Photocatalytic H 2 Evolution in Seawater. ACS APPLIED MATERIALS & INTERFACES 2020; 12:48526-48532. [PMID: 33047949 DOI: 10.1021/acsami.0c13060] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Photocatalytic H2 evolution (PHE) from extremely abundant seawater resources is an ideal way to secure sustainable H2 for humanity, but the saline in seawater easily competitively absorbs the active sites and poisons the catalyst. Herein, a series of low-cost alkali halide (NaI, KI, RbI, CsI, CsBr, and CsCl), analogous to the saline in natural seawater, was selected to modify carbon nitride (MX-CN) through one-step facile pyrolysis with the assistance of water. MX-CN possesses a large amount of negative charges, which could inhibit anion absorption, to some extent, preventing chloride corrosion. Importantly, it can greatly boost the electron transfer between MX-CN and triethanolamine (TEOA) (sacrificial agent) because the alkali cation in seawater can coordinate with TEOA, and easily come in contact with MX-CN through alkali-cation exchange and electrostatic attraction. Benefiting from it, the PHE performance in seawater is 200 times better than that of original CN in deionized water above, and the apparent quantum efficiency of MX-CN (CsI-CN) under 420 nm light irradiation comes to 72% in seawater, the highest value reported for seawater thus far. This work provides a new research direction for engineering the electron transfer pathway between the photocatalyst and sacrificial agent (e.g., pollutant) in natural seawater.
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Affiliation(s)
- Wenming Xu
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum (East China), No. 66 Changjiang West Road, Qingdao 266580, P. R. China
| | - Xuedong Zhao
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum (East China), No. 66 Changjiang West Road, Qingdao 266580, P. R. China
| | - Xianghui An
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum (East China), No. 66 Changjiang West Road, Qingdao 266580, P. R. China
| | - Sha Wang
- Jiangsu Provincial Key Laboratory of Pulp and Paper Science and Technology, Nanjing Forestry University, No.159 Longpan Road, Nanjing 210037, China
| | - Jing Zhang
- State Key Laboratory of Safety and Control for Chemicals, SINOPEC Research Institute of Safety Engineering, No. 339 Songling Road, Qingdao 266071, China
| | - Zishu Li
- Valiant Limited Company, No. 11 Wuzhishan Road, Yeda 264006, China
| | - Wenting Wu
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum (East China), No. 66 Changjiang West Road, Qingdao 266580, P. R. China
| | - Mingbo Wu
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum (East China), No. 66 Changjiang West Road, Qingdao 266580, P. R. China
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8
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Mandapati P, Braun JD, Lozada IB, Williams JAG, Herbert DE. Deep-Red Luminescence from Platinum(II) Complexes of N^ N-^ N-Amido Ligands with Benzannulated N-Heterocyclic Donor Arms. Inorg Chem 2020; 59:12504-12517. [PMID: 32808773 DOI: 10.1021/acs.inorgchem.0c01584] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A synthetic methodology for accessing narrow-band, deep-red phosphorescence from mononuclear Pt(II) complexes is presented. These charge-neutral complexes have the general structure (N^N-^N)PtCl, in which the Pt(II) centers are supported by benzannulated diarylamido ligand scaffolds bearing substituted quinolinyl and/or phenanthridinyl arms. Emission maxima ranging from 683 to 745 nm are observed, with lifetimes spanning from 850 to 4500 ns. In contrast to the corresponding proligands, benzannulation is found to counterintuitively but markedly blue-shift emission from metal complexes with differing degrees of ligand benzannulation but similar substitution patterns. This effect can be further tuned by incorporation of electron-releasing (Me, tBu) or electron-withdrawing (CF3) substituents in either the phenanthridine 2-position or quinoline 6-position. Compared with symmetric bis(quinoline) and bis(phenanthridine) architectures, "mixed" ligands incorporating one quinoline and one phenanthridine unit present a degree of charge transfer between the N-heterocyclic arms that is more pronounced in the proligands than in the Pt(II) complexes. The impact of benzannulation and ring-substitution on the structure and photophysical properties of both the proligands and their deep-red emitting Pt(II) complexes is discussed.
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Affiliation(s)
- Pavan Mandapati
- Department of Chemistry and the Manitoba Institute for Materials, University of Manitoba, 144 Dysart Road, Winnipeg, Manitoba, R3T 2N2, Canada
| | - Jason D Braun
- Department of Chemistry and the Manitoba Institute for Materials, University of Manitoba, 144 Dysart Road, Winnipeg, Manitoba, R3T 2N2, Canada
| | - Issiah B Lozada
- Department of Chemistry and the Manitoba Institute for Materials, University of Manitoba, 144 Dysart Road, Winnipeg, Manitoba, R3T 2N2, Canada
| | | | - David E Herbert
- Department of Chemistry and the Manitoba Institute for Materials, University of Manitoba, 144 Dysart Road, Winnipeg, Manitoba, R3T 2N2, Canada
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10
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Paziresh S, Sicilia V, Ara I, Martín A, Fuertes S. The Influence of Cyclometalated Ligand Motifs on the Solid-State Assemblies and Luminescent Properties of Pt(II)-Tl(I) Complexes. Organometallics 2019. [DOI: 10.1021/acs.organomet.9b00500] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Sareh Paziresh
- Departamento de Química Inorgánica, Facultad de Ciencias, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), CSIC - Universidad de Zaragoza, Pedro Cerbuna 12, 50009, Zaragoza, Spain
| | - Violeta Sicilia
- Departamento de Química Inorgánica, Escuela de Ingeniería y Arquitectura de Zaragoza, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), CSIC - Universidad de Zaragoza, Campus Rio Ebro, Edificio Torres Quevedo, 50018, Zaragoza, Spain
| | - Irene Ara
- Departamento de Química Inorgánica, Facultad de Ciencias, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), CSIC - Universidad de Zaragoza, Pedro Cerbuna 12, 50009, Zaragoza, Spain
| | - Antonio Martín
- Departamento de Química Inorgánica, Facultad de Ciencias, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), CSIC - Universidad de Zaragoza, Pedro Cerbuna 12, 50009, Zaragoza, Spain
| | - Sara Fuertes
- Departamento de Química Inorgánica, Facultad de Ciencias, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), CSIC - Universidad de Zaragoza, Pedro Cerbuna 12, 50009, Zaragoza, Spain
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11
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Isatin-1,8-Naphthalimide Hydrazones: A Study of Their Sensor and ON/OFF Functionality. Molecules 2019; 24:molecules24030397. [PMID: 30678292 PMCID: PMC6385022 DOI: 10.3390/molecules24030397] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Revised: 01/18/2019] [Accepted: 01/19/2019] [Indexed: 01/18/2023] Open
Abstract
Five novel hydrazones derived from substituted isatins were synthesized as potential anion sensors. Using UV-VIS, FTIR, NMR and fluorescence spectroscopy, these compounds’ tautomeric equilibrium and Z-E photoisomerization were studied in DMF and CHCl3, depending on the hydrazone concentrations, the presence of basic anions and light stimulation. Anion recognition aspects (PF6−, HSO4−, Br−, Cl−, NO3−, F− and CH3COO−) and these receptors’ detection limits were also studied. We also tested the light-stimulated ON-OFF functionality of these compounds in the presence or absence of these anions.
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12
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Xing Y, Qiao C, Li X, Li C, Wang H, Li F, Di L, Yang Z. The dependence of oxygen sensitivity on the molecular structures of Ir(iii) complexes and their application for photostable and reversible luminescent oxygen sensing. RSC Adv 2019; 9:15370-15380. [PMID: 35514823 PMCID: PMC9064210 DOI: 10.1039/c9ra02277e] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Accepted: 05/12/2019] [Indexed: 11/21/2022] Open
Abstract
The delocalization of spin populations (DSPs) could be used to describe the dependence of oxygen sensitivity on the molecular structures of Ir(iii) complexes. And excellent operational stability of an Ir(iii) oxygen sensing film is presented.
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Affiliation(s)
- Yang Xing
- College of Chemistry, Chemical Engineering, and Environmental Engineering
- Liaoning Shihua University
- Fushun 113001
- China
| | - Chengfang Qiao
- College of Chemical Engineering and Modern Materials
- Shangluo University
- Shangluo 726000
- China
| | - Xinmin Li
- School of Pharmacy
- Zunyi Medical University
- Zunyi
- China
| | - Chun Li
- College of Chemistry, Chemical Engineering, and Environmental Engineering
- Liaoning Shihua University
- Fushun 113001
- China
| | - Honghao Wang
- College of Chemistry, Chemical Engineering, and Environmental Engineering
- Liaoning Shihua University
- Fushun 113001
- China
| | - Fayun Li
- College of Chemistry, Chemical Engineering, and Environmental Engineering
- Liaoning Shihua University
- Fushun 113001
- China
| | - Ling Di
- College of Chemistry, Chemical Engineering, and Environmental Engineering
- Liaoning Shihua University
- Fushun 113001
- China
- State Key Laboratory of Fine Chemicals
| | - Zhanxu Yang
- College of Chemistry, Chemical Engineering, and Environmental Engineering
- Liaoning Shihua University
- Fushun 113001
- China
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13
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New Pt(II) complex with extra pure green emission for OLED application: synthesis, crystal structure and spectral properties. J Organomet Chem 2018. [DOI: 10.1016/j.jorganchem.2018.01.037] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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15
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Avhad KC, Patil DS, Gawale YK, Chitrambalam S, Sreenath MC, Joe IH, Sekar N. Large Stokes Shifted Far-Red to NIR-Emitting D-π-A Coumarins: Combined Synthesis, Experimental, and Computational Investigation of Spectroscopic and Non-Linear Optical Properties. ChemistrySelect 2018. [DOI: 10.1002/slct.201800063] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Kiran C. Avhad
- Dyestuff Technology Department; Institute of Chemical Technology; Nathalal Parekh Marg, Matunga; Mumbai 400019 India
| | - Dinesh S. Patil
- Dyestuff Technology Department; Institute of Chemical Technology; Nathalal Parekh Marg, Matunga; Mumbai 400019 India
| | - Yogesh K. Gawale
- Dyestuff Technology Department; Institute of Chemical Technology; Nathalal Parekh Marg, Matunga; Mumbai 400019 India
| | - Subramaniyan Chitrambalam
- Centre for Molecular and Biophysics Research; Department of Physics; Mar Ivanios College, Thiruvananthapuram; Kerala 695015 India
| | - Mavila C. Sreenath
- Centre for Molecular and Biophysics Research; Department of Physics; Mar Ivanios College, Thiruvananthapuram; Kerala 695015 India
| | - Issac H. Joe
- Centre for Molecular and Biophysics Research; Department of Physics; Mar Ivanios College, Thiruvananthapuram; Kerala 695015 India
| | - Nagaiyan Sekar
- Dyestuff Technology Department; Institute of Chemical Technology; Nathalal Parekh Marg, Matunga; Mumbai 400019 India
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16
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Lanoë PH, Chan J, Groué A, Gontard G, Jutand A, Rager MN, Armaroli N, Monti F, Barbieri A, Amouri H. Cyclometalated N-heterocyclic carbene iridium(iii) complexes with naphthalimide chromophores: a novel class of phosphorescent heteroleptic compounds. Dalton Trans 2018; 47:3440-3451. [PMID: 29431779 DOI: 10.1039/c7dt04369d] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A series of cyclometalated N-heterocyclic carbene complexes of the general formula [Ir(C^N)2(C^C:)] has been prepared. Two sets of compounds were designed, those where (C^C:) represents a bidentate naphthalimide-substituted imidazolylidene ligand and (C^N) = ppy (3a), F2ppy (4a), bzq (5a) and those where (C^C:) represents a naphthalimide-substituted benzimidazolylidene ligand and (C^N) = ppy (3b), F2ppy (4b), bzq (5b). The naphthalimide-imidazole and naphthalimide-benzimidazole ligands 1a,b and the related imidazolium and benzimidazolium salts 2a,b were also prepared and fully characterized. The N-heterocyclic carbene Ir(iii) complexes have been characterized by NMR spectroscopy, cyclic voltammetry and elemental analysis. Moreover, the molecular structures of one imidazolium salt and four Ir(iii) complexes were determined by single-crystal X-ray diffraction. The structures provide us with valuable information, most notably the orientation of the naphthalimide chromophore with respect to the N-heterocyclic carbene moiety. All compounds are luminescent at room temperature and in a frozen solvent at 77 K, exhibiting a broad emission band that extends beyond 700 nm. The presence of the naphthalimide moiety changes the character of the lowest excited state from 3MLCT to 3LC, as corroborated by DFT and TD-DFT calculations. Remarkably, replacing imidazole with a benzimidazole unit improves the quantum yields of these compounds by decreasing the knr values which is an important feature for optimized emission performance. These studies provide valuable insights about a novel class of N-heterocyclic carbene-based luminescent complexes containing organic chromophores and affording metal complexes emitting across the red-NIR range.
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Affiliation(s)
- Pierre-Henri Lanoë
- 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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17
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Leopold H, Strassner T. 4,5-Substituted C^C* cyclometalated thiazol-2-ylidene platinum(ii) complexes - synthesis and photophysical properties. Dalton Trans 2018; 46:7800-7812. [PMID: 28590491 DOI: 10.1039/c7dt00828g] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
We report the synthesis of seven novel backbone functionalized N-phenyl-1,3-thiazol-2-ylidene platinum(ii) complexes and their photophysical properties. Electronically diverse N-phenyl-1,3-thiazol-2-thiones were prepared by a reaction of aniline with carbon disulfide and different α-haloketone compounds. Oxidative desulfuration and salt metathesis yielded the desired NHC-precursors with hexafluorophosphate counterions. In addition, a new route for the synthesis of N-phenyl-1,3-benzo[d]thiazole tetrafluoroborate via N-arylation using hypervalent iodine species is presented. All complexes were prepared from the corresponding NHC precursor in a one-pot process using silver(i)oxide, transmetalation to platinum and reaction with the β-diketone acetylacetone under basic conditions. These complexes exhibit strong phosphorescence with quantum yields up to 72% in 2 wt% PMMA films with decay lifetimes of 8.8-12.3 μs. The influence of methyl- and phenyl-groups, and an ester-substituent at the 4- and/or 5-position of the 1,3-thiazole moiety, as well as the N-phenyl-1,3-benzo[d]thiazole-derived motif is discussed. The 4,5-unsubstituted-N-phenyl-1,3-thiazol-2-ylidene platinum(ii) acetylacetonato complex served as a reference in this study to evaluate the electronic effects originating from the backbone substitution. All complexes emit in a narrow range of the bluish-green spectrum of the visible light (510 ± 10 nm).
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Affiliation(s)
- Hendrik Leopold
- Physikalische Organische Chemie, Technische Universität Dresden, Bergstrasse 66, 01069 Dresden, Germany.
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18
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Mayder DM, Thompson KA, Christopherson CJ, Paisley NR, Hudson ZM. An efficient room-temperature synthesis of highly phosphorescent styrenic Pt(ii) complexes and their polymerization by ATRP. Polym Chem 2018. [DOI: 10.1039/c8py01337c] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Cyclometalated Pt(ii) complexes are among the most efficient phosphorescent materials, yet their incorporation into polymers remains rare.
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Affiliation(s)
- Don M. Mayder
- Department of Chemistry
- The University of British Columbia
- Vancouver
- Canada
| | - Kyle A. Thompson
- Department of Chemistry
- The University of British Columbia
- Vancouver
- Canada
| | | | - Nathan R. Paisley
- Department of Chemistry
- The University of British Columbia
- Vancouver
- Canada
| | - Zachary M. Hudson
- Department of Chemistry
- The University of British Columbia
- Vancouver
- Canada
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19
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Dou Q, Jiang L, Kai D, Owh C, Loh XJ. Bioimaging and biodetection assisted with TTA-UC materials. Drug Discov Today 2017; 22:1400-1411. [DOI: 10.1016/j.drudis.2017.04.003] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2017] [Revised: 03/13/2017] [Accepted: 04/12/2017] [Indexed: 10/19/2022]
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20
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Zhong F, Zhao J. An N^N Platinum(II) Bis(acetylide) Complex with Naphthalimide and Pyrene Ligands: Synthesis, Photophysical Properties, and Application in Triplet-Triplet Annihilation Upconversion. Eur J Inorg Chem 2017. [DOI: 10.1002/ejic.201700656] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Fangfang Zhong
- State Key Laboratory of Fine Chemicals; School of Chemical Engineering; Dalian University of Technology; E-208 Western Campus, 2 Ling-Gong Road 116024 Dalian China
| | - Jianzhang Zhao
- State Key Laboratory of Fine Chemicals; School of Chemical Engineering; Dalian University of Technology; E-208 Western Campus, 2 Ling-Gong Road 116024 Dalian China
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21
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Poma A, Forni A, Baldoli C, Mussini PR, Bossi A. Cyclometalated Pt(ii) complexes with a bidentate Schiff-base ligand displaying unexpected cis/trans isomerism: synthesis, structures and electronic properties. Dalton Trans 2017; 46:12500-12506. [DOI: 10.1039/c7dt02323e] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Unexpected cis/trans isomerism in a bis-cyclometalated Pt(ii) complex is investigated by NMR, X-ray diffraction, optical, electrochemical and computational methods and rationalized.
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Affiliation(s)
- A. Poma
- Department of Chemistry
- University of Milan
- and SmartMatLab Center via Golgi 19
- 20133 Milano
- Italy
| | - A. Forni
- Institute of Molecular Science and Technology of the CNR (ISTM-CNR)
- 20133 Milan
- Italy
| | - C. Baldoli
- Institute of Molecular Science and Technology of the CNR (ISTM-CNR)
- 20133 Milan
- Italy
| | - P. R. Mussini
- Department of Chemistry
- University of Milan
- and SmartMatLab Center via Golgi 19
- 20133 Milano
- Italy
| | - A. Bossi
- Institute of Molecular Science and Technology of the CNR (ISTM-CNR)
- 20133 Milan
- Italy
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22
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Han J, Zhang F, You J, Hiroaki Y, Yamada S, Morifuji T, Wang S, Li X. The first transition metal phthalocyanines: sensitizing rubrene emission based on triplet–triplet annihilation. Photochem Photobiol Sci 2017. [DOI: 10.1039/c6pp00464d] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Metallophthalocyanines with transition elements are applied to sensitize Rubrene in TTA-PUC system. The TTA-PUC system with fourth period metals showed even higher ΦPUC than PtPc-o-Cou in same conditions.
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Affiliation(s)
- Jianlei Han
- Tianjin University
- School of Chemical Engineering and Technology
- Tianjin 300072
- China
- Collaborative Innovation Center of Chemical Science and Engineering
| | - Fei Zhang
- Tianjin University
- School of Chemical Engineering and Technology
- Tianjin 300072
- China
- Collaborative Innovation Center of Chemical Science and Engineering
| | - Jing You
- Tianjin University
- School of Chemical Engineering and Technology
- Tianjin 300072
- China
- Collaborative Innovation Center of Chemical Science and Engineering
| | - Yonemura Hiroaki
- Department of Applied Chemistry
- Faculty of Engineering
- Kyushu University
- Fukuoka
- Japan
| | - Sunao Yamada
- Department of Applied Chemistry
- Faculty of Engineering
- Kyushu University
- Fukuoka
- Japan
| | - Toru Morifuji
- Department of Materials Physics and Chemistry
- Graduate School of Engineering
- Kyushu University
- Fukuoka
- Japan
| | - Shirong Wang
- Tianjin University
- School of Chemical Engineering and Technology
- Tianjin 300072
- China
- Collaborative Innovation Center of Chemical Science and Engineering
| | - Xianggao Li
- Tianjin University
- School of Chemical Engineering and Technology
- Tianjin 300072
- China
- Collaborative Innovation Center of Chemical Science and Engineering
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23
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Leopold H, Heinemeyer U, Wagenblast G, Münster I, Strassner T. Changing the Emission Properties of Phosphorescent C^C*-Cyclometalated Thiazol-2-ylidene Platinum(II) Complexes by Variation of the β-Diketonate Ligands. Chemistry 2016; 23:1118-1128. [PMID: 27859741 DOI: 10.1002/chem.201604456] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2016] [Indexed: 11/08/2022]
Abstract
Cyclometalated thiazol-2-ylidene platinum(II) complexes based on the N-phenyl-4,5-dimethyl-1,3-thiazol-2-ylidene N-heterocyclic carbene (NHC) ligand and seven different β-diketonate ligands have been synthesised and investigated for their structural and photophysical properties. The complexes were synthesised in a one-pot procedure starting with the in situ formation of the corresponding silver(I) carbene and transmetalation to platinum, followed by the reaction with the respective β-diketonate under basic conditions. All the compounds were fully characterised by standard techniques, including 195 Pt NMR spectroscopy. Three solid-state structures revealed quite different aggregation behaviour depending on the β-diketonate architecture. The reported complexes showed strong phosphorescence at room temperature in amorphous poly(methyl methacrylate) films. The emission wavelengths (ca. 510 nm) were found to be independent of the β-diketonate ligand, but the electronically diverse β-diketonates strongly influence the observed quantum yields (QY) and decay lifetimes. The results of theoretical studies employing density functional theory (DFT) methods support the conclusion of a metal-to-ligand charge transfer (3 MLCT) as the main emission process, in accordance with the reported photophysical properties. Standard organic light-emitting diodes (OLEDs) prepared with unoptimised matrix materials using one of the complexes showed values of 12.3 % external quantum yield, 24.0 lm W-1 luminous efficacy and 37.8 cd A-1 current efficiency at 300 cd m-2 .
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Affiliation(s)
- Hendrik Leopold
- Physikalische Organische Chemie, Technische Universität Dresden, 01069, Dresden, Germany
| | | | | | | | - Thomas Strassner
- Physikalische Organische Chemie, Technische Universität Dresden, 01069, Dresden, Germany
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24
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Yang W, Zhao J. Photophysical Properties of Visible-Light-Harvesting PtIIBis(acetylide) Complexes. Eur J Inorg Chem 2016. [DOI: 10.1002/ejic.201600968] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Wenbo Yang
- State Key Laboratory of Fine Chemicals; School of Chemical Engineering; Dalian University of Technology; E-208 Western Campus, 2 Ling-Gong Road 116024 Dalian China
| | - Jianzhang Zhao
- State Key Laboratory of Fine Chemicals; School of Chemical Engineering; Dalian University of Technology; E-208 Western Campus, 2 Ling-Gong Road 116024 Dalian China
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25
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Zhang L, Huang Z, Dai D, Xiao Y, Lei K, Tan S, Cheng J, Xu Y, Liu J, Qian X. Thio-bisnaphthalimides as Heavy-Atom-Free Photosensitizers with Efficient Singlet Oxygen Generation and Large Stokes Shifts: Synthesis and Properties. Org Lett 2016; 18:5664-5667. [DOI: 10.1021/acs.orglett.6b02902] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Lei Zhang
- State
Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory
of Chemical Biology, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Zhisong Huang
- State
Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory
of Chemical Biology, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Dongdong Dai
- State
Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory
of Chemical Biology, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Yansheng Xiao
- State
Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory
of Chemical Biology, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Kecheng Lei
- State
Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory
of New Drug Design, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Shaoying Tan
- State
Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory
of Chemical Biology, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Jiagao Cheng
- State
Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory
of Chemical Biology, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Yufang Xu
- State
Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory
of Chemical Biology, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Jianwen Liu
- State
Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory
of New Drug Design, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Xuhong Qian
- State
Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory
of Chemical Biology, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
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26
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27
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Lu Y, McGoldrick N, Murphy F, Twamley B, Cui X, Delaney C, Máille GMÓ, Wang J, Zhao J, Draper SM. Highly Efficient Triplet Photosensitizers: A Systematic Approach to the Application of IrIII
Complexes containing Extended Phenanthrolines. Chemistry 2016; 22:11349-56. [DOI: 10.1002/chem.201601534] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2016] [Indexed: 01/11/2023]
Affiliation(s)
- Yue Lu
- Department of Chemistry; Trinity College Dublin; Dublin 2 Ireland
| | - Niamh McGoldrick
- Department of Chemistry; Trinity College Dublin; Dublin 2 Ireland
| | - Frances Murphy
- Department of Chemistry; Trinity College Dublin; Dublin 2 Ireland
| | - Brendan Twamley
- Department of Chemistry; Trinity College Dublin; Dublin 2 Ireland
| | - Xiaoneng Cui
- State Key Laboratory of Fine Chemicals; Dalian University of Technology; Dalian 116024 P. R. China
| | - Colm Delaney
- Department of Chemistry; Trinity College Dublin; Dublin 2 Ireland
| | | | - Junsi Wang
- Department of Chemistry; Trinity College Dublin; Dublin 2 Ireland
| | - Jianzhang Zhao
- State Key Laboratory of Fine Chemicals; Dalian University of Technology; Dalian 116024 P. R. China
| | - Sylvia M. Draper
- Department of Chemistry; Trinity College Dublin; Dublin 2 Ireland
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28
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Leopold H, Tronnier A, Wagenblast G, Münster I, Strassner T. Photoluminescence of a New Material: Cyclometalated C∧C* Thiazole-2-ylidene Platinum(II) Complexes. Organometallics 2016. [DOI: 10.1021/acs.organomet.5b00991] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Hendrik Leopold
- Physikalische
Organische Chemie, Technische Universität Dresden, 01069 Dresden, Germany
| | - Alexander Tronnier
- Physikalische
Organische Chemie, Technische Universität Dresden, 01069 Dresden, Germany
| | | | | | - Thomas Strassner
- Physikalische
Organische Chemie, Technische Universität Dresden, 01069 Dresden, Germany
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29
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Lanoë PH, Chan J, Gontard G, Monti F, Armaroli N, Barbieri A, Amouri H. Deep-Red Phosphorescent Iridium(III) Complexes with Chromophoric N-Heterocyclic Carbene Ligands: Design, Photophysical Properties, and DFT Calculations. Eur J Inorg Chem 2016. [DOI: 10.1002/ejic.201600140] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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30
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Omae I. Application of the five-membered ring blue light-emitting iridium products of cyclometalation reactions as OLEDs. Coord Chem Rev 2016. [DOI: 10.1016/j.ccr.2015.08.009] [Citation(s) in RCA: 93] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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31
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Santana MD, López-Banet L, Sánchez G, Pérez J, Pérez E, García L, Serrano JL, Espinosa A. Non-covalent stacking interactions directing the structural and photophysical features of mono- and dinuclear cyclometalated palladium(ii) complexes. Dalton Trans 2016; 45:8601-13. [DOI: 10.1039/c5dt04913j] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Cyclometallated Pd(ii) complexes with different stackings show emission in solid state in relationship to them.
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Affiliation(s)
- M. D. Santana
- Departamento de Química Inorgánica and Regional Campus of International Excellence (Campus Mare Nostrum)
- Universidad de Murcia
- E-30071 Murcia
- Spain
| | - L. López-Banet
- Departamento de Química Inorgánica and Regional Campus of International Excellence (Campus Mare Nostrum)
- Universidad de Murcia
- E-30071 Murcia
- Spain
| | - G. Sánchez
- Departamento de Química Inorgánica and Regional Campus of International Excellence (Campus Mare Nostrum)
- Universidad de Murcia
- E-30071 Murcia
- Spain
| | - J. Pérez
- Departamento de Ingeniería Minera
- Geológica y Cartográfica. Área de Química Inorgánica. Universidad Politécnica de Cartagena
- Cartagena
- Spain
| | - E. Pérez
- Departamento de Ingeniería Minera
- Geológica y Cartográfica. Área de Química Inorgánica. Universidad Politécnica de Cartagena
- Cartagena
- Spain
| | - L. García
- Departamento de Ingeniería Minera
- Geológica y Cartográfica. Área de Química Inorgánica. Universidad Politécnica de Cartagena
- Cartagena
- Spain
| | - J. L. Serrano
- Departamento de Ingeniería Minera
- Geológica y Cartográfica. Área de Química Inorgánica. Universidad Politécnica de Cartagena
- Cartagena
- Spain
| | - A. Espinosa
- Departamento de Química Orgánica
- Universidad de Murcia
- E-30071 Murcia
- Spain
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32
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Huo S, Carroll J, Vezzu DAK. Design, Synthesis, and Applications of Highly Phosphorescent Cyclometalated Platinum Complexes. ASIAN J ORG CHEM 2015. [DOI: 10.1002/ajoc.201500246] [Citation(s) in RCA: 110] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Shouquan Huo
- Department of Chemistry; East Carolina University; Greenville North Carolina 27858 USA
| | - Jeffrey Carroll
- Department of Chemistry; East Carolina University; Greenville North Carolina 27858 USA
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33
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Yang W, Karatay A, Zhao J, Song J, Zhao L, Xing Y, Zhang C, He C, Yaglioglu HG, Hayvali M, Elmali A, Küçüköz B. Near-IR Broadband-Absorbing trans-Bisphosphine Pt(II) Bisacetylide Complexes: Preparation and Study of the Photophysics. Inorg Chem 2015. [PMID: 26196211 DOI: 10.1021/acs.inorgchem.5b01107] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Wenbo Yang
- State Key Laboratory of Fine Chemicals,
School of Chemical Engineering, Dalian University of Technology, E-208
West Campus, 2 Ling Gong Rd., Dalian 116024, P. R. China
| | | | - Jianzhang Zhao
- State Key Laboratory of Fine Chemicals,
School of Chemical Engineering, Dalian University of Technology, E-208
West Campus, 2 Ling Gong Rd., Dalian 116024, P. R. China
| | - Jian Song
- College of
Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116029, P. R. China
| | - Liang Zhao
- State Key Laboratory of Fine Chemicals,
School of Chemical Engineering, Dalian University of Technology, E-208
West Campus, 2 Ling Gong Rd., Dalian 116024, P. R. China
| | - Yongheng Xing
- College of
Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116029, P. R. China
| | - Caishun Zhang
- State Key Laboratory of Fine Chemicals,
School of Chemical Engineering, Dalian University of Technology, E-208
West Campus, 2 Ling Gong Rd., Dalian 116024, P. R. China
| | - Cheng He
- State Key Laboratory of Fine Chemicals,
School of Chemical Engineering, Dalian University of Technology, E-208
West Campus, 2 Ling Gong Rd., Dalian 116024, P. R. China
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34
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Turning-On of Coumarin Phosphorescence in Acetylacetonato Platinum Complexes of Cyclometalated Pyridyl-Substituted Coumarins. INORGANICS 2015. [DOI: 10.3390/inorganics3020055] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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35
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Xu K, Xie Y, Cui X, Zhao J, Glusac KD. DiiodoBodipy-Rhodamine Dyads: Preparation and Study of the Acid-Activatable Competing Intersystem Crossing and Energy Transfer Processes. J Phys Chem B 2015; 119:4175-87. [PMID: 25699638 DOI: 10.1021/jp509858t] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Kejing Xu
- State Key Laboratory
of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, E-208 West Campus, 2 Ling Gong Rd., Dalian 116024, P. R. China
| | - Yun Xie
- Department
of Chemistry, Center for Photochemical Sciences, Bowling Green State University, Bowling Green, Ohio 43403, United States
| | - Xiaoneng Cui
- State Key Laboratory
of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, E-208 West Campus, 2 Ling Gong Rd., Dalian 116024, P. R. China
| | - Jianzhang Zhao
- State Key Laboratory
of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, E-208 West Campus, 2 Ling Gong Rd., Dalian 116024, P. R. China
| | - Ksenija D. Glusac
- Department
of Chemistry, Center for Photochemical Sciences, Bowling Green State University, Bowling Green, Ohio 43403, United States
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36
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Geist F, Jackel A, Winter RF. Dual ligand-based fluorescence and phosphorescence emission at room temperature from platinum thioxanthonyl complexes. Dalton Trans 2015; 44:3974-87. [DOI: 10.1039/c4dt02410a] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Platinum complexes with σ-bonded thioxanthonyl (Tx) ligands exhibit, on irradiation into the Tx π→π* band, dual Tx-based fluorescence and phosphorescence emission with phosphorescence quantum yields of up to 19% in fluid solution at room temperature.
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Affiliation(s)
- Fabian Geist
- Fachbereich Chemie der Universität Konstanz
- D-78457 Konstanz
- Germany
| | - Andrej Jackel
- Fachbereich Chemie der Universität Konstanz
- D-78457 Konstanz
- Germany
| | - Rainer F. Winter
- Fachbereich Chemie der Universität Konstanz
- D-78457 Konstanz
- Germany
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37
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Transition-Metal Complexes for Triplet–Triplet Annihilation-Based Energy Upconversion. GREEN CHEMISTRY AND SUSTAINABLE TECHNOLOGY 2015. [DOI: 10.1007/978-3-662-46054-2_6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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38
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Castellano FN, McCusker CE. MLCT sensitizers in photochemical upconversion: past, present, and potential future directions. Dalton Trans 2015; 44:17906-10. [DOI: 10.1039/c5dt03212a] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
This frontier presentation highlights the historical development of MLCT sensitizers in photochemical upconversion while indentifying current state-of-the-art and exciting opportunities in this arena moving towards the future.
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39
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Zhou J, Liu Q, Feng W, Sun Y, Li F. Upconversion Luminescent Materials: Advances and Applications. Chem Rev 2014; 115:395-465. [DOI: 10.1021/cr400478f] [Citation(s) in RCA: 1511] [Impact Index Per Article: 151.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Jing Zhou
- Department of Chemistry & State Key Laboratory of Molecular Engineering of Polymers & Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University, Shanghai 200433, P. R. China
| | - Qian Liu
- Department of Chemistry & State Key Laboratory of Molecular Engineering of Polymers & Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University, Shanghai 200433, P. R. China
| | - Wei Feng
- Department of Chemistry & State Key Laboratory of Molecular Engineering of Polymers & Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University, Shanghai 200433, P. R. China
| | - Yun Sun
- Department of Chemistry & State Key Laboratory of Molecular Engineering of Polymers & Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University, Shanghai 200433, P. R. China
| | - Fuyou Li
- Department of Chemistry & State Key Laboratory of Molecular Engineering of Polymers & Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University, Shanghai 200433, P. R. China
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Howarth AJ, Davies DL, Lelj F, Wolf MO, Patrick BO. Tuning the emission lifetime in bis-cyclometalated iridium(III) complexes bearing iminopyrene ligands. Inorg Chem 2014; 53:11882-9. [PMID: 25347609 DOI: 10.1021/ic501032t] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Bis-cyclometalated Ir(III) complexes with the general formula Ir(ppz)2(X^NPyrene), where ppz = 1-phenylpyrazole and X^NPyrene is a bidentate chelate with X = N or O, are reported. Modifications on the ancillary ligand containing pyrene drastically affect the emission lifetimes observed (0.329 to 104 μs). Extended emission lifetimes in these complexes compared to model complexes result from reversible electronic energy transfer or the observation of dual emission containing along-lived pyrene ligand-centered triplet ((3)LC) component. A combination of steady-state and time-resolved spectroscopic techniques are used to observe reversible electronic energy transfer in solution between the iridium core and pyrene moiety in the complex [Ir(ppz)2(NMe^NCH2Pyr)][PF6] (2), where NMe^NCH2Pyr = N-(pyren-1-ylmethyl)-1-(pyridin-2-yl)ethaneimine. Studies on [Ir(ppz)2(NMe^NCH2Pyr)][PF6] in a poly(methyl methacrylate) (PMMA) film reveal that reversible energy transfer is no longer effective, and instead, dual emission with a long-lived (3)LC component from pyrene is observed. Dual emission is observed in additional cyclometalated iridium complexes bearing pyrene-containing ancillary ligands N^NPyrene and O^NPyrene when the complexes are dispersed in a PMMA film.
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Affiliation(s)
- Ashlee J Howarth
- Department of Chemistry, University of British Columbia , Vancouver, British Columbia V6T 1Z1, Canada
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Micksch M, Tenne M, Strassner T. C∧N-Cyclometalated Platinum(II) Complexes with Sterically Demanding 1,2-Diarylimidazole Ligands. Organometallics 2014. [DOI: 10.1021/om500383b] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Maik Micksch
- Physikalische
Organische Chemie, Technische Universität Dresden, 01069 Dresden, Germany
| | - Mario Tenne
- Physikalische
Organische Chemie, Technische Universität Dresden, 01069 Dresden, Germany
| | - Thomas Strassner
- Physikalische
Organische Chemie, Technische Universität Dresden, 01069 Dresden, Germany
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Prokhorov AM, Hofbeck T, Czerwieniec R, Suleymanova AF, Kozhevnikov DN, Yersin H. Brightly Luminescent Pt(II) Pincer Complexes with a Sterically Demanding Carboranyl-Phenylpyridine Ligand: A New Material Class for Diverse Optoelectronic Applications. J Am Chem Soc 2014; 136:9637-42. [DOI: 10.1021/ja503220w] [Citation(s) in RCA: 152] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Anton M. Prokhorov
- Ural Federal University, Department of Organic
Chemistry, Mira-st. 28, 620002 Ekaterinburg, Russian Federation
| | - Thomas Hofbeck
- Universität Regensburg, Institut für Physikalische
und Theoretische Chemie, Universitätstr. 31, D-93040 Regensburg, Germany
| | - Rafal Czerwieniec
- Universität Regensburg, Institut für Physikalische
und Theoretische Chemie, Universitätstr. 31, D-93040 Regensburg, Germany
| | - Alfiya F. Suleymanova
- Ural Federal University, Department of Organic
Chemistry, Mira-st. 28, 620002 Ekaterinburg, Russian Federation
| | - Dmitry N. Kozhevnikov
- Ural Federal University, Department of Organic
Chemistry, Mira-st. 28, 620002 Ekaterinburg, Russian Federation
| | - Hartmut Yersin
- Universität Regensburg, Institut für Physikalische
und Theoretische Chemie, Universitätstr. 31, D-93040 Regensburg, Germany
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Bai L, Zhu L, Ang CY, Li X, Wu S, Zeng Y, Ågren H, Zhao Y. Iron(III)-Quantity-Dependent Aggregation-Dispersion Conversion of Functionalized Gold Nanoparticles. Chemistry 2014; 20:4032-7. [DOI: 10.1002/chem.201303958] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2013] [Revised: 12/20/2013] [Indexed: 11/08/2022]
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Scattergood PA, Delor M, Sazanovich IV, Bouganov OV, Tikhomirov SA, Stasheuski AS, Parker AW, Greetham GM, Towrie M, Davies ES, Meijer AJHM, Weinstein JA. Electron transfer dynamics and excited state branching in a charge-transfer platinum(ii) donor–bridge-acceptor assembly. Dalton Trans 2014; 43:17677-93. [DOI: 10.1039/c4dt01682c] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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45
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Zhao J, Wu W, Sun J, Guo S. Triplet photosensitizers: from molecular design to applications. Chem Soc Rev 2013; 42:5323-51. [PMID: 23450221 DOI: 10.1039/c3cs35531d] [Citation(s) in RCA: 922] [Impact Index Per Article: 83.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Triplet photosensitizers (PSs) are compounds that can be efficiently excited to the triplet excited state which subsequently act as catalysts in photochemical reactions. The name is originally derived from compounds that were used to transfer the triplet energy to other compounds that have only a small intrinsic triplet state yield. Triplet PSs are not only used for triplet energy transfer, but also for photocatalytic organic reactions, photodynamic therapy (PDT), photoinduced hydrogen production from water and triplet-triplet annihilation (TTA) upconversion. A good PS should exhibit strong absorption of the excitation light, a high yield of intersystem crossing (ISC) for efficient production of the triplet state, and a long triplet lifetime to allow for the reaction with a reactant molecule. Most transition metal complexes show efficient ISC, but small molar absorption coefficients in the visible spectral region and short-lived triplet excited states, which make them unsuitable as triplet PSs. One obstacle to the development of new triplet PSs is the difficulty in predicting the ISC of chromophores, especially of organic compounds without any heavy atoms. This review article summarizes some molecular design rationales for triplet PSs, based on the molecular structural factors that facilitate ISC. The design of transition metal complexes with large molar absorption coefficients in the visible spectral region and long-lived triplet excited states is presented. A new method of using a spin converter to construct heavy atom-free organic triplet PSs is discussed, with which ISC becomes predictable, C60 being an example. To enhance the performance of triplet PSs, energy funneling based triplet PSs are proposed, which show broadband absorption in the visible region. Applications of triplet PSs in photocatalytic organic reactions, hydrogen production, triplet-triplet annihilation upconversion and luminescent oxygen sensing are briefly introduced.
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Affiliation(s)
- Jianzhang Zhao
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, E 208 Western Compus, 2 Ling-Gong Road, Dalian 116012, P.R. China.
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Tenne M, Metz S, Münster I, Wagenblast G, Strassner T. Phosphorescent Platinum(II) Complexes Based on C∧C* Cyclometalating Aryltriazol-5-ylidenes. Organometallics 2013. [DOI: 10.1021/om4004576] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Mario Tenne
- Physikalische
Organische Chemie, Technische Universität Dresden, 01069 Dresden, Germany
| | | | | | | | - Thomas Strassner
- Physikalische
Organische Chemie, Technische Universität Dresden, 01069 Dresden, Germany
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Yi X, Zhao J, Sun J, Guo S, Zhang H. Visible light-absorbing rhenium(i) tricarbonyl complexes as triplet photosensitizers in photooxidation and triplet–triplet annihilation upconversion. Dalton Trans 2013. [DOI: 10.1039/c2dt32420b] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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48
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Ma L, Guo S, Sun J, Zhang C, Zhao J, Guo H. Green light-excitable naphthalenediimide acetylide-containing cyclometalated Ir(iii) complex with long-lived triplet excited states as triplet photosensitizers for triplet–triplet annihilation upconversion. Dalton Trans 2013; 42:6478-88. [DOI: 10.1039/c3dt32815e] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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49
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Huang D, Sun J, Ma L, Zhang C, Zhao J. Preparation of ketocoumarins as heavy atom-free triplet photosensitizers for triplet–triplet annihilation upconversion. Photochem Photobiol Sci 2013; 12:872-82. [DOI: 10.1039/c3pp25416j] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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50
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Liu L, Huang D, Draper SM, Yi X, Wu W, Zhao J. Visible light-harvesting trans bis(alkylphosphine) platinum(ii)-alkynyl complexes showing long-lived triplet excited states as triplet photosensitizers for triplet–triplet annihilation upconversion. Dalton Trans 2013; 42:10694-706. [DOI: 10.1039/c3dt50496d] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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