1
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Cheung TL, Ju Z, Zhang W, Parker D, Deng R. Mechanistic Investigation of Sensitized Europium Luminescence: Excited State Dynamics and Luminescence Lifetime Thermometry. ACS APPLIED MATERIALS & INTERFACES 2024; 16:43933-43941. [PMID: 39135499 DOI: 10.1021/acsami.4c06899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/23/2024]
Abstract
Fluorescent nanothermometers based on thermal-dependent lifetime have a significant advantage in biological imaging owing to their immunity toward scattering, absorption, and autofluorescence. In this study, we present the first example of a water-soluble europium complex ([L1Eu]-) that exhibits high sensitivity (1.2% K-1 at 298 K) based on a temperature-dependent lifetime in the millisecond time range. This complex and its analogues show considerable potential for organelle imaging. The mechanism behind this thermal-sensitive behavior has been extensively investigated using transient absorption spectroscopy and variable temperature time-resolved luminescence methods. A highly efficient ligand sensitization process and a thermally activated back energy transfer process have been demonstrated. This study bridges the gap in small molecule thermometers with lifetimes longer than 1 ms and provides guidance in ligand design for metal coordination complex thermometers.
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Affiliation(s)
- Tsz Lam Cheung
- Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong 999077, China
| | - Zhijie Ju
- State Key Laboratory of Silicon and Advanced Semiconductor Materials, Institute for Composites Science Innovation, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310058, China
| | - Wenchao Zhang
- State Key Laboratory of Silicon and Advanced Semiconductor Materials, Institute for Composites Science Innovation, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310058, China
| | - David Parker
- Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong 999077, China
| | - Renren Deng
- State Key Laboratory of Silicon and Advanced Semiconductor Materials, Institute for Composites Science Innovation, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310058, China
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2
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Fahad S, Li S, Zhai Y, Zhao C, Pikramenou Z, Wang M. Luminescence-Based Infrared Thermal Sensors: Comprehensive Insights. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2304237. [PMID: 37679096 DOI: 10.1002/smll.202304237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2023] [Revised: 07/08/2023] [Indexed: 09/09/2023]
Abstract
Recent chronological breakthroughs in materials innovation, their fabrication, and structural designs for disparate applications have paved transformational ways to subversively digitalize infrared (IR) thermal imaging sensors from traditional to smart. The noninvasive IR thermal imaging sensors are at the cutting edge of developments, exploiting the abilities of nanomaterials to acquire arbitrary, targeted, and tunable responses suitable for integration with host materials and devices, intimately disintegrate variegated signals from the target onto depiction without any discomfort, eliminating motional artifacts and collects precise physiological and physiochemical information in natural contexts. Highlighting several typical examples from recent literature, this review article summarizes an accessible, critical, and authoritative summary of an emerging class of advancement in the modalities of nano and micro-scale materials and devices, their fabrication designs and applications in infrared thermal sensors. Introduction is begun covering the importance of IR sensors, followed by a survey on sensing capabilities of various nano and micro structural materials, their design architects, and then culminating an overview of their diverse application swaths. The review concludes with a stimulating frontier debate on the opportunities, difficulties, and future approaches in the vibrant sector of infrared thermal imaging sensors.
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Affiliation(s)
- Shah Fahad
- School of Microelectronics, Southern University of Science and Technology, Shenzhen, 518055, P. R. China
- Engineering Research Center of Integrated Circuits for Next-Generation Communications, Ministry of Education, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Song Li
- Department of Mechanics and Aerospace Engineering, Southern University of Science and Technology, Shenzhen, 518055, P. R. China
| | - Yufei Zhai
- School of Microelectronics, Southern University of Science and Technology, Shenzhen, 518055, P. R. China
| | - Cong Zhao
- School of Microelectronics, Southern University of Science and Technology, Shenzhen, 518055, P. R. China
- Engineering Research Center of Integrated Circuits for Next-Generation Communications, Ministry of Education, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Zoe Pikramenou
- School of Chemistry, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK
| | - Min Wang
- School of Microelectronics, Southern University of Science and Technology, Shenzhen, 518055, P. R. China
- Engineering Research Center of Integrated Circuits for Next-Generation Communications, Ministry of Education, Southern University of Science and Technology, Shenzhen, 518055, China
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3
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Yang Y, Liu L, Fang WH, Shen L, Chen X. Theoretical Exploration of Energy Transfer and Single Electron Transfer Mechanisms to Understand the Generation of Triplet Nitrene and the C(sp 3)-H Amidation with Photocatalysts. JACS AU 2022; 2:2596-2606. [PMID: 36465545 PMCID: PMC9709952 DOI: 10.1021/jacsau.2c00490] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 10/25/2022] [Accepted: 10/26/2022] [Indexed: 05/20/2023]
Abstract
Mechanistic explorations and kinetic evaluations were performed based on electronic structure calculations at the CASPT2//CASSCF level of theory, the Fermi's golden rule combined with the Dexter model, and the Marcus theory to unveil the key factors regulating the processes of photocatalytic C(sp3)-H amidation starting from the newly emerged nitrene precursor of hydroxamates. The highly reactive nitrene was found to be generated efficiently via a triplet-triplet energy transfer process and to be benefited from the advantages of hydroxamates with long-range charge-transfer (CT) excitation from the N-centered lone pair to the 3,5-bis(trifluoromethyl)benzoyl group. The properties of the metal-to-ligand charge-transfer (MLCT) state of photocatalysts, the functionalization of chemical moieties for substrates involved in the charge-transfer (CT) excitation, such as the electron-withdrawing trifluoromethyl group, and the energetic levels of singlet and triplet reaction pathways may regulate the reaction yield of C(sp3)-H amidation. Kinetic evaluations show that the triplet-triplet energy transfer is the main driving force of the reaction rather than the single electron transfer process. The effects of electronic coupling, molecular rigidity, and excitation energies on the energy transfer efficiency were further discussed. Finally, we investigated the inverted behavior of single-electron transfer, which is correlated unfavorably to the catalytic efficiency and amidation reaction. All theoretical explorations allow us to better understand the generation of nitrene with visible-light photocatalysts, to expand highly efficient substrate sources, and to broaden our scope of available photosensitizers for various cross-coupling reactions and the construction of N-heterocycles.
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4
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Wu L, Fang Y, Zuo W, Wang J, Wang J, Wang S, Cui Z, Fang W, Sun HL, Li Y, Chen X. Excited-State Dynamics of Crossing-Controlled Energy Transfer in Europium Complexes. JACS AU 2022; 2:853-864. [PMID: 35557757 PMCID: PMC9088298 DOI: 10.1021/jacsau.1c00584] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 03/08/2022] [Accepted: 03/08/2022] [Indexed: 06/15/2023]
Abstract
Photosensitized energy transfer (EnT) phenomena occur frequently in a variety of photophysical and photochemical processes and have traditionally been treated with the donor-acceptor distance-dependent Förster and Dexter models. However, incorrect arguments and formulae were employed by ignoring energy resonance conditions and the selection rules of the state-to-state transition in special cases, especially for the sensitive intramolecular EnT of lanthanide complexes. Herein, we proposed an innovative model of energy-degeneracy-crossing-controlled EnT, which can be experimentally confirmed by time-resolved two-dimensional photoluminescence measurements. The computationally determined energy resonance region provides the most effective channel to achieve metal-to-ligand EnT beyond the distance-dependent model and sensitively bifurcates into symmetry-allowed or -forbidden channels for some representative europium antenna complexes. The outcomes of the multidisciplinary treatment contribute to a complementary EnT model that can be tuned by introducing a phosphorescence modulator and altering the antenna-related parameters of the ligand-centered energy level of the 3ππ* state and its spin-orbit coupling for the 3ππ* → S0 * transition through mechanism-guided crystal engineering and should motivate further development of mechanistic models and applications.
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Affiliation(s)
- Liangliang Wu
- Key
Laboratory of Theoretical and Computational Photochemistry of the
Ministry of Education, Department of Chemistry, Beijing Normal University, Xin-wai-da-jie No. 19, Beijing 100875, China
| | - Yu Fang
- Key
Laboratory of Theoretical and Computational Photochemistry of the
Ministry of Education, Department of Chemistry, Beijing Normal University, Xin-wai-da-jie No. 19, Beijing 100875, China
| | - Wanlong Zuo
- Beijing
National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, No.8, 3rd South Street, Zhongguancun, Haidian District, Beijing 100190, China
- College
of Physics and Electric Information, Anhui
Normal University, Wuhu 241000, China
| | - Juanjuan Wang
- Key
Laboratory of Theoretical and Computational Photochemistry of the
Ministry of Education, Department of Chemistry, Beijing Normal University, Xin-wai-da-jie No. 19, Beijing 100875, China
| | - Ju Wang
- State
Key Laboratory for Artificial Microstructure and Mesoscopic Physics,
Department of Physics, Peking University, Beijing 100871, China
| | - Shufeng Wang
- State
Key Laboratory for Artificial Microstructure and Mesoscopic Physics,
Department of Physics, Peking University, Beijing 100871, China
| | - Zhifeng Cui
- College
of Physics and Electric Information, Anhui
Normal University, Wuhu 241000, China
| | - Weihai Fang
- Key
Laboratory of Theoretical and Computational Photochemistry of the
Ministry of Education, Department of Chemistry, Beijing Normal University, Xin-wai-da-jie No. 19, Beijing 100875, China
| | - Hao-Ling Sun
- Key
Laboratory of Theoretical and Computational Photochemistry of the
Ministry of Education, Department of Chemistry, Beijing Normal University, Xin-wai-da-jie No. 19, Beijing 100875, China
| | - Yunliang Li
- Beijing
National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, No.8, 3rd South Street, Zhongguancun, Haidian District, Beijing 100190, China
- School
of Physical Sciences, University of Chinese
Academy of Sciences, Beijing 100049, China
- Songshan
Lake Materials Laboratory, Dongguan, Guangdong 523808, China
| | - Xuebo Chen
- Key
Laboratory of Theoretical and Computational Photochemistry of the
Ministry of Education, Department of Chemistry, Beijing Normal University, Xin-wai-da-jie No. 19, Beijing 100875, China
- College
of Chemistry, Zhengzhou University, Zhengzhou, Henan 450001, China
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Ma L, Feng W, Xi Y, Chen X, Lin X. Mechanistic Insights into Visible-Light-Driven Dearomative Fluoroalkylation Mediated by an Electron Donor-Acceptor Complex. J Org Chem 2022; 87:944-951. [PMID: 35015541 DOI: 10.1021/acs.joc.1c02005] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Electron donor-acceptor (EDA) complex photochemistry has become a burgeoning topic in the synthetic radical chemistry mediated by visible light; however, the theoretical insights into the reaction mechanisms are limited. Herein, accurate electronic structure calculations at the CASPT2//CASSCF/PCM level of theory were performed to investigate the paradigm example of EDA complex-enabled photoreaction for visible-light-driven dearomative perfluoroalkylation of β-naphthol. The excitation energy levels of the EDA complex are controlled by noncovalent interactions because the photoinduced intermolecular charge is enhanced when the noncovalent interaction becomes weaker, leading to the broad spectra ranging from UVA (<380 nm) to visible light (>500 nm). The competitiveness of the radical-radical coupling over the radical chain pathway is also regulated due to the tunable radical concentrations varying the excitation wavelength.
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Affiliation(s)
- Lishuang Ma
- College of Science, China University of Petroleum (East China), Qingdao 266580, People's Republic of China
| | - Wenxu Feng
- College of Science, China University of Petroleum (East China), Qingdao 266580, People's Republic of China
| | - Yanyan Xi
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao 266580, P. R. China
| | - Xuebo Chen
- Key Laboratory of Theoretical and Computational Photochemistry of Ministry of Education, Department of Chemistry, Beijing Normal University, Beijing 100875, People's Republic of China.,College of Chemistry, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Xufeng Lin
- College of Science, China University of Petroleum (East China), Qingdao 266580, People's Republic of China.,State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao 266580, P. R. China
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6
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Wang J, Fang WH, Qu LB, Shen L, Maseras F, Chen X. An Expanded SET Model Associated with the Functional Hindrance Dominates the Amide-Directed Distal sp 3 C-H Functionalization. J Am Chem Soc 2021; 143:19406-19416. [PMID: 34761900 DOI: 10.1021/jacs.1c07983] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The mechanistic understanding of catalytic radical reactions currently lags behind the flourishing development of new types of catalytic activation. Herein, an innovative single electron transfer (SET) model has been expanded by using the nonadiabatic crossing integrated with the rate-determining step of 1,5-hydrogen atom transfer (HAT) reaction to provide the control mechanism of radical decay dynamics through calculating excited-state relaxation paths of a paradigm example of the amide-directed distal sp3 C-H bond alkylation mediated by Ir-complex-based photocatalysts. The stability of carbon radical intermediates, the functional hindrance associated with the back SET, and the energy inversion between the reactive triplet and closed-shell ground states were verified to be key factors in improving catalytic efficiency via blocking radical inhibition. The expanded SET model associated with the dynamic behaviors and kinetic data could guide the design and manipulation of visible-light-driven inert bond activation by the utilization of photocatalysts bearing more or less electron-withdrawing groups and the comprehensive considerations of kinetic solvent effects and electron-withdrawing effects of substrates.
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Affiliation(s)
- Juanjuan Wang
- Department of Chemistry, Beijing Normal University, Xin-wai-da-jie No. 19, Beijing 100875, China
| | - Wei-Hai Fang
- Department of Chemistry, Beijing Normal University, Xin-wai-da-jie No. 19, Beijing 100875, China
| | - Ling-Bo Qu
- College of Chemistry, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Lin Shen
- College of Chemistry, Beijing Normal University, Beijing 100875, China
| | - Feliu Maseras
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Avgda. Països Catalans, 16, 43007 Tarragona, Spain.,College of Chemistry, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Xuebo Chen
- Department of Chemistry, Beijing Normal University, Xin-wai-da-jie No. 19, Beijing 100875, China.,College of Chemistry, Zhengzhou University, Zhengzhou, Henan 450001, China
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7
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Structure regulation for ultra-high luminescence quantum yield lanthanide complex and simultaneous detection of cancer marker and ferrous ion. J RARE EARTH 2021. [DOI: 10.1016/j.jre.2020.08.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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8
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Lin WS, Chen WT. Synthesis, Structure, Photoluminescent, and Semiconductor Properties of a Novel Hg–Pr Complex. RUSS J COORD CHEM+ 2020. [DOI: 10.1134/s1070328420060044] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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9
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Mara MW, Tatum DS, March AM, Doumy G, Moore EG, Raymond KN. Energy Transfer from Antenna Ligand to Europium(III) Followed Using Ultrafast Optical and X-ray Spectroscopy. J Am Chem Soc 2019; 141:11071-11081. [DOI: 10.1021/jacs.9b02792] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Michael W. Mara
- Department of Chemistry, University of California, Berkeley, California 94720, United States
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - David S. Tatum
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Anne-Marie March
- Chemical Sciences and Engineering, Argonne National Laboratory, Lemont, Illinois 60439, United States
| | - Gilles Doumy
- Chemical Sciences and Engineering, Argonne National Laboratory, Lemont, Illinois 60439, United States
| | - Evan G. Moore
- School of Chemistry and Molecular Biosciences, University of Queensland, Brisbane, QLD 4072, Australia
| | - Kenneth N. Raymond
- Department of Chemistry, University of California, Berkeley, California 94720, United States
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10
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Ma L, Fang WH, Shen L, Chen X. Regulatory Mechanism and Kinetic Assessment of Energy Transfer Catalysis Mediated by Visible Light. ACS Catal 2019. [DOI: 10.1021/acscatal.9b00146] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Lishuang Ma
- Key Laboratory of Theoretical and Computational Photochemistry of Ministry of Education, College of Chemistry, Beijing Normal University, Beijing 100875, People’s Republic of China
| | - Wei-Hai Fang
- Key Laboratory of Theoretical and Computational Photochemistry of Ministry of Education, College of Chemistry, Beijing Normal University, Beijing 100875, People’s Republic of China
| | - Lin Shen
- Key Laboratory of Theoretical and Computational Photochemistry of Ministry of Education, College of Chemistry, Beijing Normal University, Beijing 100875, People’s Republic of China
| | - Xuebo Chen
- Key Laboratory of Theoretical and Computational Photochemistry of Ministry of Education, College of Chemistry, Beijing Normal University, Beijing 100875, People’s Republic of China
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11
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Huang Y, Ke C, Fu L, Li Y, Wang S, Ma Y, Zhang J, Wang Y. Excitation Energy-Transfer Processes in the Sensitization Luminescence of Europium in a Highly Luminescent Complex. ChemistryOpen 2019; 8:388-392. [PMID: 30976479 PMCID: PMC6438127 DOI: 10.1002/open.201900012] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Revised: 02/24/2019] [Indexed: 01/14/2023] Open
Abstract
The excitation energy transfer (EET) pathways in the sensitization luminescence of EuIII and the excitation energy migration between the different ligands in [Eu(fod)3dpbt] [where fod=6,6,7,7,8,8,8-heptafluoro-2,2-dimethyl-3,5-octanedione and dpbt=2-(N,N-diethylanilin-4-yl)-4,6-bis(3,5-dimethylpyrazol-1-yl)-1,3,5-triazine], exhibiting well-separated fluorescence excitation and phosphorescence bands of the different ligands, were investigated by using time-resolved luminescence spectroscopy for the first time. The data clearly revealed that upon the excitation of dpbt, the sensitization luminescence of EuIII in [Eu(fod)3dpbt] was dominated by the singlet EET pathway, whereas the triplet EET pathway involving T1(dpbt) was inefficient. The energy migration from T1(dpbt) to T1(fod) in [Eu(fod)3dpbt] was not observed. Moreover, upon the excitation of fod, a singlet EET pathway for the sensitization of EuIII luminescence, including the energy migration from S1(fod) to S1(dpbt) was revealed, in addition to the triplet EET pathway involving T1(fod). Under the excitation of dpbt at 410 nm, [Eu(fod)3dpbt] exhibited an absolute quantum yield for EuIII luminescence of 0.59 at 298 K. This work provides a solid and elegant example for the concept that singlet EET pathway could dominate the sensitization luminescence of EuIII in some complexes.
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Affiliation(s)
- Yan‐Jie Huang
- Beijing National Laboratory for Molecular Science State Key Laboratory for Structural Chemistry of Unstable and Stable Species College of Chemistry and Molecular Engineering and Academy for Advanced Interdisciplinary StudiesPeking UniversityBeijing100871China
| | - Can Ke
- Beijing National Laboratory for Molecular Science State Key Laboratory for Structural Chemistry of Unstable and Stable Species College of Chemistry and Molecular Engineering and Academy for Advanced Interdisciplinary StudiesPeking UniversityBeijing100871China
| | - Li‐Min Fu
- Department of ChemistryRenmin University of ChinaBeijing100872China
| | - Yu Li
- Institute of Modern Optics & State Key Laboratory for Artificial Microstructure and Mesoscopic Physics School of PhysicsPeking UniversityChina
| | - Shu‐Feng Wang
- Institute of Modern Optics & State Key Laboratory for Artificial Microstructure and Mesoscopic Physics School of PhysicsPeking UniversityChina
| | - Ying‐Chao Ma
- Department of ChemistryRenmin University of ChinaBeijing100872China
| | - Jan‐Ping Zhang
- Department of ChemistryRenmin University of ChinaBeijing100872China
| | - Yuan Wang
- Beijing National Laboratory for Molecular Science State Key Laboratory for Structural Chemistry of Unstable and Stable Species College of Chemistry and Molecular Engineering and Academy for Advanced Interdisciplinary StudiesPeking UniversityBeijing100871China
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12
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Du Y, Jiang Y, Sun T, Zhao J, Huang B, Peng D, Wang F. Mechanically Excited Multicolor Luminescence in Lanthanide Ions. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1807062. [PMID: 30589165 DOI: 10.1002/adma.201807062] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Revised: 11/30/2018] [Indexed: 05/27/2023]
Abstract
Mechanoluminescence (ML) featuring photon emission by mechanical stimuli is promising for applications such as stress sensing, display, and artificial skin. However, the progress of utilizing ML processes is constrained by the limited range of available ML emission spectra. Herein, a general strategy for expanding the emission of ML through the use of lanthanide emitters is reported. A lithium-assisted annealing method for effective incorporation of various lanthanide ions (e.g., Tb3+ , Eu3+ , Pr3+ , Sm3+ , Er3+ , Dy3+ , Ho3+ , Nd3+ , Tm3+ , and Yb3+ ) into CaZnOS crystals that are identified as one of the most efficient host materials for ML is developed. These doped CaZnOS crystals show efficient and tunable ML spanning full spectrum from violet to near infrared. The multicolor ML materials are used to create encrypted anticounterfeiting patterns, which produce spatially resolvable optical codes under single-point dynamic pressure of a ballpoint pen.
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Affiliation(s)
- Yangyang Du
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong SAR, China
- City University of Hong Kong Shenzhen Research Institute, Shenzhen, 518057, China
| | - Yue Jiang
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Tianying Sun
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong SAR, China
- City University of Hong Kong Shenzhen Research Institute, Shenzhen, 518057, China
| | - Jianxiong Zhao
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong SAR, China
- City University of Hong Kong Shenzhen Research Institute, Shenzhen, 518057, China
| | - Bolong Huang
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, China
| | - Dengfeng Peng
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Feng Wang
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong SAR, China
- City University of Hong Kong Shenzhen Research Institute, Shenzhen, 518057, China
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13
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Junker AKR, Sørensen TJ. Shining light on the excited state energy cascade in kinetically inert Ln(iii) complexes of a coumarin-appended DO3A ligand. Dalton Trans 2019; 48:964-970. [DOI: 10.1039/c8dt04464c] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Lanthanide based molecular probes for bioimaging relies on the antenna effect, here we are unravelling the excited state energy cascade that results in sensitized lanthanide luminescence.
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Affiliation(s)
- Anne Kathrine R. Junker
- Nano-Science Center & Department of Chemistry
- University of Copenhagen
- 2100 København Ø
- Denmark
| | - Thomas Just Sørensen
- Nano-Science Center & Department of Chemistry
- University of Copenhagen
- 2100 København Ø
- Denmark
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14
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Zheng K, Liu Z, Jiang Y, Guo P, Li H, Zeng C, Ng SW, Zhong S. Ultrahigh luminescence quantum yield lanthanide coordination polymer as a multifunctional sensor. Dalton Trans 2018; 47:17432-17440. [PMID: 30488066 DOI: 10.1039/c8dt03832e] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The investigation and development of advanced multifunctional and sensitive sensors with high luminescent quantum yield and the capability of detecting different analytes, such as metal ions, is imperative. Due to its inherent properties the lanthanide coordination complex is one candidate for sensing applications, particularly for multifunctional sensors. Herein, we present two series of alkali ion decorated lanthanide coordination polymers (Ln-CPs), which show ultrahigh luminescence quantum yields (QYs) of 77% (1a) and 92% (2a). To the best of our knowledge, 1a represents the first trifunctional lanthanide complex sensor that can simultaneous detect and discriminate three different analytes, namely H+/Cd2+/Cr3+ through a multimode optical response. Furthermore, the limit of detection (LOD) for Cr3+ is an ultralow value of 2.0 × 10-9 M with a sensing time of 2 h, which is comparable to the most sensitive Cr3+ chemosensor. More interestingly, 92% (2a) is an unprecedented luminescence QY among the reported lanthanide coordination complexes.
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Affiliation(s)
- Kai Zheng
- College of Chemistry and Chemical Engineering, Research Center for Ultra Fine Powder Materials, Key Laboratory of Functional Small Organic Molecule, Ministry of Education and Jiangxi's Key Laboratory of Green Chemistry, Jiangxi Normal University, Nanchang, 330022 P. R. China.
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15
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Zhang JC, Pan C, Zhu YF, Zhao LZ, He HW, Liu X, Qiu J. Achieving Thermo-Mechano-Opto-Responsive Bitemporal Colorful Luminescence via Multiplexing of Dual Lanthanides in Piezoelectric Particles and its Multidimensional Anticounterfeiting. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:e1804644. [PMID: 30284321 DOI: 10.1002/adma.201804644] [Citation(s) in RCA: 76] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Revised: 08/25/2018] [Indexed: 06/08/2023]
Abstract
Optical characteristics of luminescent materials, including emission color (wavelength), lifetime, and excitation mode, play crucial roles in data communication and information security. Conventional luminescent materials generally display unicolor, unitemporal, and unimodal (occasionally bimodal) emission, resulting in low-level readout and decoding. The development of multicolor, multitemporal, and multimodal luminescence in a single material has long been considered to be a significant challenge. In this study, for the first time, the superior integration of colorful (red-orange-yellow-green), bitemporal (fluorescent and delayed), and four-modal (thermo-/mechano-motivated and upconverted/downshifted) emissions in a particular piezoelectric particle via optical multiplexing of dual-lanthanide dopants is demonstrated. The as-prepared versatile NaNbO3 :Pr3+ ,Er3+ luminescent microparticles shown are particularly suitable for embedding into polymer films to achieve waterproof, flexible/wearable and highly stretchable features, and synchronously to provide multidimensional codes that can be visually read-out using simple and commonly available tools (including the LED of a smartphone, pen writing, cooling-heating stimuli, and ultraviolet/near-infrared lamps). These findings offer unique insight for designing highly integrated stimuli-responsive luminophors and smart devices toward a wide variety of applications, particularly advanced anticounterfeiting technology.
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Affiliation(s)
- Jun-Cheng Zhang
- College of Physics, Qingdao University, Qingdao, 266071, China
- College of Optical Science and Engineering, State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou, 310027, China
| | - Cong Pan
- College of Physics, Qingdao University, Qingdao, 266071, China
| | - Yi-Fei Zhu
- College of Physics, Qingdao University, Qingdao, 266071, China
| | - Li-Zhen Zhao
- The State Key Laboratory, Qingdao University, Qingdao, 266071, China
| | - Hong-Wei He
- Industrial Research Institute of Nonwovens and Technical Textiles, College of Textiles and Clothing, Qingdao University, Qingdao, 266071, China
| | - Xiaofeng Liu
- College of Optical Science and Engineering, State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou, 310027, China
| | - Jianrong Qiu
- College of Optical Science and Engineering, State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou, 310027, China
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16
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Wu L, Cao X, Chen X, Fang W, Dolg M. Visible‐Light Photocatalysis of C(sp
3
)‐H Fluorination by the Uranyl Ion: Mechanistic Insights. Angew Chem Int Ed Engl 2018; 57:11812-11816. [DOI: 10.1002/anie.201806554] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Revised: 07/05/2018] [Indexed: 12/20/2022]
Affiliation(s)
- Liangliang Wu
- Key Laboratory of Theoretical and Computational Photochemistry of Ministry of EducationDepartment of ChemistryBeijing Normal University Xin-wai-da-jie No. 19 Beijing 100875 China
| | - Xiaoyan Cao
- Theoretical ChemistryUniversity of Cologne Greinstrasse 4 50939 Cologne Germany
| | - Xuebo Chen
- Key Laboratory of Theoretical and Computational Photochemistry of Ministry of EducationDepartment of ChemistryBeijing Normal University Xin-wai-da-jie No. 19 Beijing 100875 China
| | - Weihai Fang
- Key Laboratory of Theoretical and Computational Photochemistry of Ministry of EducationDepartment of ChemistryBeijing Normal University Xin-wai-da-jie No. 19 Beijing 100875 China
| | - Michael Dolg
- Theoretical ChemistryUniversity of Cologne Greinstrasse 4 50939 Cologne Germany
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17
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Wu L, Cao X, Chen X, Fang W, Dolg M. Photokatalyse der C(sp3
)-H-Fluorierung durch Uranyl mit sichtbarem Licht: Einblicke in den Mechanismus. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201806554] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Liangliang Wu
- Key Laboratory of Theoretical and Computational Photochemistry of Ministry of Education; Department of Chemistry; Beijing Normal University; Xin-wai-da-jie No. 19 Beijing 100875 China
| | - Xiaoyan Cao
- Theoretische Chemie; Universität zu Köln; Greinstraße 4 50939 Cologne Germany
| | - Xuebo Chen
- Key Laboratory of Theoretical and Computational Photochemistry of Ministry of Education; Department of Chemistry; Beijing Normal University; Xin-wai-da-jie No. 19 Beijing 100875 China
| | - Weihai Fang
- Key Laboratory of Theoretical and Computational Photochemistry of Ministry of Education; Department of Chemistry; Beijing Normal University; Xin-wai-da-jie No. 19 Beijing 100875 China
| | - Michael Dolg
- Theoretische Chemie; Universität zu Köln; Greinstraße 4 50939 Cologne Germany
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18
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Tanner PA, Zhou L, Duan C, Wong KL. Misconceptions in electronic energy transfer: bridging the gap between chemistry and physics. Chem Soc Rev 2018; 47:5234-5265. [PMID: 29938282 DOI: 10.1039/c8cs00002f] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Many treatments of energy transfer (ET) phenomena in current literature employ incorrect arguments and formulae and are not quantitative enough. This is unfortunate because we witness important breakthroughs from ET experiments in nanoscience. This review aims to clarify basic principles by focusing upon Förster-Dexter electric dipole-electric dipole (ED-ED) ET. The roles of ET in upconversion, downconversion and the antenna effect are described and the clichés and simple formulae to be avoided in ET studies are highlighted with alternative treatments provided.
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Affiliation(s)
- Peter A Tanner
- Department of Chemistry, Hong Kong Baptist University, Waterloo Road, Kowloon, Hong Kong S.A.R., P. R. China.
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19
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Affiliation(s)
- Jean-Claude G. Bünzli
- Institute of Chemical Sciences and Engineering; Swiss Federal Institute of Technology Lausanne (EPFL); CH-1015 Lausanne Switzerland
- Department of Chemistry; Hong Kong Baptist University; Kowloon Tong Hong Kong S.A.R. P.R. China
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