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Liu L, Wu Y, Yun X, Wang X, Li J, Chen L, Lin F, Wang S, Dong T, Song L. UV-barrier poly(lactic acid) film with light-stabilized Eu complexes as filler. Int J Biol Macromol 2024; 271:132529. [PMID: 38777010 DOI: 10.1016/j.ijbiomac.2024.132529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 04/14/2024] [Accepted: 05/18/2024] [Indexed: 05/25/2024]
Abstract
The poor UV shielding property of PLA limit it further applications on food packaging. The rare-earth complex Eu(DBM)3phen converts absorbed ultraviolet (UV) light to red light, which inspires the development of new UV shielding materials. However, this complex has low photostability and decomposes easily under UV irradiation. Thus, we prepared a long-lasting rare-earth complex transluminant Eu(DBM)2(BP-2)phen by introducing BP-2 into Eu(DBM)3phen, and blended it with PLA to obtain PLA/Eu(DBM)2(BP-2)phen composite films. The test results showed that the complex could reduce the UV transmittance of PLA films by emitting luminescence and heat. The UV transmittance of the composite film with 0.5 % mass fraction decreased from 87.4 % to 7.7 %, compared to pure PLA films, and remained at 11.6 % after 12 days of UV aging. The film had long-lasting UV shielding performance, good transparency and mechanical properties. Finally, In the storage experiments of flaxseed oil, the P/E25 film effectively retarded the oxidation process of the oil.
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Affiliation(s)
- Linze Liu
- Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials, Xiamen Institute of Rare Earth Materials, Chinese Academy of Sciences, Xiamen 361021, China; Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China; College of Food Science and Engineering, Inner Mongolia Agricultural University, 306 Zhaowuda Road, Hohhot, Inner Mongolia 010010, China
| | - Yincai Wu
- Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials, Xiamen Institute of Rare Earth Materials, Chinese Academy of Sciences, Xiamen 361021, China; Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
| | - Xueyan Yun
- College of Food Science and Engineering, Inner Mongolia Agricultural University, 306 Zhaowuda Road, Hohhot, Inner Mongolia 010010, China
| | - Xinkun Wang
- Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials, Xiamen Institute of Rare Earth Materials, Chinese Academy of Sciences, Xiamen 361021, China; Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
| | - Jinlei Li
- Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials, Xiamen Institute of Rare Earth Materials, Chinese Academy of Sciences, Xiamen 361021, China; Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
| | - Libin Chen
- Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials, Xiamen Institute of Rare Earth Materials, Chinese Academy of Sciences, Xiamen 361021, China; Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
| | - Fenglong Lin
- Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials, Xiamen Institute of Rare Earth Materials, Chinese Academy of Sciences, Xiamen 361021, China; Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
| | - Shenglong Wang
- Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials, Xiamen Institute of Rare Earth Materials, Chinese Academy of Sciences, Xiamen 361021, China; Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
| | - Tungalag Dong
- College of Food Science and Engineering, Inner Mongolia Agricultural University, 306 Zhaowuda Road, Hohhot, Inner Mongolia 010010, China.
| | - Lijun Song
- Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials, Xiamen Institute of Rare Earth Materials, Chinese Academy of Sciences, Xiamen 361021, China; Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China.
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Sanjeev Kumar, Jain G, Kumar K, Singh BP, Dhakate SR. A Review on Polymeric Photoluminiscent Nanofibers: Inorganic, Organic and Perovskites Additives for Solid-State Lighting Application. POLYMER SCIENCE SERIES A 2022. [DOI: 10.1134/s0965545x22700213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Yu H, Li Y, Song Y, Wu Y, Lan X, Liu S, Tang Y, Xu S, Chen B. Ultralong well-aligned TiO 2:Ln 3+ (Ln = Eu, Sm, or Er) fibres prepared by modified electrospinning and their temperature-dependent luminescence. Sci Rep 2017; 7:44099. [PMID: 28266593 PMCID: PMC5339778 DOI: 10.1038/srep44099] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2016] [Accepted: 02/01/2017] [Indexed: 11/12/2022] Open
Abstract
Electrospinning has emerged as an attractive technique for the fabrication of ultrafine fibres in micro-/nano-scale fineness: however, it remains a significant technological challenge to assemble aligned fibre arrays via an conventional electrospinning method due to the inherent whipping instability of the polymeric jet. We herein have first developed a simple modified electrospinning method with which to prepare ultralong (>300 mm) well-aligned inorganic fibre arrays, i.e., using an ultrahigh molecular weight polymer to suppress or eliminate the whipping motion of the electrospun jet, has emerged as a facile approach for the continuous fabrication of well-aligned, ultralong fibres through simply using a rotating cylinder as the collector (it was not found necessary to use a very high rotating speed, extra magnetic, electrical field) in the electrospinning process. As result, the ultralong well-aligned TiO2:Ln3+ (Ln = Eu, Sm, or Er) fibre arrays can be obtained from ultrahigh molecular weight poly(ethylene oxide), tetra-n-butyl titanate (Ti(OC4H9)4) and lanthanide nitrate in the modified electrospinning approach. The grow mechanism and luminescent properties of these ultralong well-aligned TiO2:Ln3+ fibre arrays were also investigated.
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Affiliation(s)
- Hongquan Yu
- College of Environmental and Chemical Engineering, Dalian Jiaotong University, Dalian, Liaoning 116028, P. R. China
| | - Yue Li
- College of Environmental and Chemical Engineering, Dalian Jiaotong University, Dalian, Liaoning 116028, P. R. China
| | - Yang Song
- College of Environmental and Chemical Engineering, Dalian Jiaotong University, Dalian, Liaoning 116028, P. R. China
| | - Yanbo Wu
- College of Environmental and Chemical Engineering, Dalian Jiaotong University, Dalian, Liaoning 116028, P. R. China
| | - Xijie Lan
- College of Environmental and Chemical Engineering, Dalian Jiaotong University, Dalian, Liaoning 116028, P. R. China
| | - Shimin Liu
- College of Environmental and Chemical Engineering, Dalian Jiaotong University, Dalian, Liaoning 116028, P. R. China
| | - Yanning Tang
- College of Environmental and Chemical Engineering, Dalian Jiaotong University, Dalian, Liaoning 116028, P. R. China
| | - Shasha Xu
- College of Environmental and Chemical Engineering, Dalian Jiaotong University, Dalian, Liaoning 116028, P. R. China
| | - Baojiu Chen
- Department of Physics, Dalian Maritime University, Dalian, Liaoning 116026, P. R. China
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Wang Z, Yang H, He P, He Y, Zhao J, Tang H. A highly-efficient blue-light excitable red phosphor: intramolecular π-stacking interactions in one dinuclear europium(iii) complex. Dalton Trans 2016; 45:2839-44. [PMID: 26673545 DOI: 10.1039/c5dt04407c] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
A series of ternary dinuclear europium(iii) complexes [Eu2(2,7-BTFDBC)3-n(DBM)2n(Phen)2] (n = 0, 1, or 2) were synthesized by using 2,7-bis(4'4'4'-trifluoro-1,3-dioxobutyl)-(9-ethyl-9H-carbazole) (2,7-BTFDBC), dibenzoylmethane (DBM), 1,10-phenanthroline (Phen) and europium(iii) ions. All these complexes display a broad excitation band in the blue region and high intensity emission with high colour purity. The intensity of emission significantly increases with the increase of DBM in [Eu2(2,7-BTFDBC)3-n(DBM)2n(Phen)2] (n = 0, 1, or 2). The theoretical predictions of the molecular geometry and electronic absorption spectrum of [Eu2(2,7-BTFDBC)(DBM)4(Phen)2] confirm that the pendant phenyl domains engage in multiple T-shaped and parallel-displaced π-stacking interactions with the coordination sphere of two europium(iii) centers. Using [Eu2(2,7-BTFDBC)(DBM)4(Phen)2] as a red phosphor, a single red LED has been obtained with a ∼460 nm-emitting GaN chip.
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Affiliation(s)
- Zhengliang Wang
- Key Laboratory of Comprehensive Utilization of Mineral Resource in Ethnic Regions, Key Laboratory of Resource Clean Conversion in Ethnic Regions, Education Department of Yunnan, School of Chemistry & Environment, Yunnan Minzu University, Kunming, 650500, P. R. China.
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Biju S, Freire RO, Eom YK, Scopelliti R, Bünzli JCG, Kim HK. A EuIII Tetrakis(β-diketonate) Dimeric Complex: Photophysical Properties, Structural Elucidation by Sparkle/AM1 Calculations, and Doping into PMMA Films and Nanowires. Inorg Chem 2014; 53:8407-17. [DOI: 10.1021/ic500966z] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Silvanose Biju
- Department of Advanced Materials Chemistry
and WCU Center for Next Generation Photovoltaic Systems, Korea University, Jochiwon-eup, Sejong-si, 339-700 Republic of Korea
| | - Ricardo O. Freire
- Pople Computational
Chemistry Laboratory, Departamento de Quı́mica, Universidade Federal de Sergipe, 49.100-000 — São
Cristóvão, SE Brazil
| | - Yu Kyung Eom
- Department of Advanced Materials Chemistry
and WCU Center for Next Generation Photovoltaic Systems, Korea University, Jochiwon-eup, Sejong-si, 339-700 Republic of Korea
| | - Rosario Scopelliti
- Institut des Sciences et Ingénierie
Chimiques, École Polytechnique Fédérale de Lausanne, BCH 1402, CH-1015 Lausanne, Switzerland
| | - Jean-Claude G. Bünzli
- Department of Advanced Materials Chemistry
and WCU Center for Next Generation Photovoltaic Systems, Korea University, Jochiwon-eup, Sejong-si, 339-700 Republic of Korea
- Institut des Sciences et Ingénierie
Chimiques, École Polytechnique Fédérale de Lausanne, BCH 1402, CH-1015 Lausanne, Switzerland
| | - Hwan Kyu Kim
- Department of Advanced Materials Chemistry
and WCU Center for Next Generation Photovoltaic Systems, Korea University, Jochiwon-eup, Sejong-si, 339-700 Republic of Korea
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