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Xiao X, Li Z, Zou H, Sun Q, Song Y, Tao Q, Li L, Zou B. Synthesis Design and Properties of Ca 5(BO 3) 3F: Bi 3+/Eu 3+: Insight into Luminescence, Temperature, and Pressure Sensing. Inorg Chem 2024; 63:5175-5184. [PMID: 38427020 DOI: 10.1021/acs.inorgchem.4c00133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2024]
Abstract
Nowadays, the utilization of noncontact temperature and pressure sensing is experiencing growing popularity. In this work, Bi3+, Eu3+-doped Ca5(BO3)3F (CBOF) phosphors were synthesized via an ionic liquid-assisted electrospinning approach. The effect of molecular weight of polyvinylpyrrolidone on the morphology of CBOF was investigated, and a comprehensive analysis of its formation mechanism was presented. The luminescence properties of CBOF: Bi3+, Eu3+ were studied systematically. The temperature-dependent emission of CBOF: Bi3+, Eu3+ phosphor was discussed, and it displayed thermal sensitivity, which can be attributed to the distinct thermal response emission behaviors of Bi3+ and Eu3+. The investigation of the pressure-dependent emission behavior of the CBOF: Bi3+ phosphor revealed an anomalous phenomenon: with the increase of pressure, the emission peak showed a trend of first a blue shift and then a red shift. This anomaly was discussed in detail. The phosphor exhibits visual color change (blue to cyan), remarkable pressure sensitivity (4.76 nm/GPa), and a high upper pressure limit (24.2 GPa), indicating its potential use as an optical pressure sensor. Consequently, this study presents an innovative synthetic approach for fabricating CBOF, presenting a bifunctional material with promising prospects in the fields of temperature and pressure sensing.
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Affiliation(s)
- Xue Xiao
- College of Chemistry, Jilin University, Qianjin Street 2699, Changchun 130012, P. R. China
| | - Zhongliang Li
- College of Chemistry, Jilin University, Qianjin Street 2699, Changchun 130012, P. R. China
| | - Haifeng Zou
- College of Chemistry, Jilin University, Qianjin Street 2699, Changchun 130012, P. R. China
| | - Qi Sun
- College of Chemistry, Jilin University, Qianjin Street 2699, Changchun 130012, P. R. China
| | - Yanhua Song
- College of Chemistry, Jilin University, Qianjin Street 2699, Changchun 130012, P. R. China
| | - Qianyu Tao
- State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun 130012, P. R. China
| | - Liang Li
- State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun 130012, P. R. China
| | - Bo Zou
- State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun 130012, P. R. China
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Zeng Y, Dong Y, Chen J, Xu X, Zhang F, Liu H. Green syntheses of silk fibroin/wool keratin-protected AuAg nanoclusters with enhanced fluorescence for multicolor and patterned anti-counterfeiting. Int J Biol Macromol 2024; 254:128017. [PMID: 37956802 DOI: 10.1016/j.ijbiomac.2023.128017] [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: 09/07/2023] [Revised: 10/27/2023] [Accepted: 11/09/2023] [Indexed: 11/15/2023]
Abstract
Counterfeiting is a serious worldwide issue that threatens human health and economic security. How to apply anti-counterfeiting techniques to textile materials remains a great challenge. Herein, we report bimetallic AuAg nanoclusters (NCs) synthesized by one-step reduction of chloroauric acid (HAuCl4) and silver nitrate (AgNO3) with wool keratin (WK) as reducer and silk fibroin (SF) as stabilizer. The strongest orange-red fluorescence under ultraviolet light as well as the highest zeta potential absolute values of -27.97 mV were simultaneously realized in the optimal proportion Au-AgNCs2 (WK/SF is 3/2), which was further processed to a series of anti-counterfeiting films by blending with SF, silk sericin (SS), and polyvinyl alcohol (PVA). After successfully being numbered into fifteen colors, a dark blue-orange-dark red-dark blue cyclic fluorescent anti-counterfeiting color chart was designed. In addition, a two-Maxwell-unit model was constructed to assist with the microstructure analysis, which found that the formation of hydrogen bonds and the secondary structure transition from α-helices to β-sheets during stretching were responsible for improving the mechanical properties and the two-staged fracture curves of films, respectively. Finally, a patterned and multicolor fluorescence anti-counterfeiting fabric application was demonstrated by combining the color chart and screen printing, indicating the great potential in textile anti-counterfeiting.
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Affiliation(s)
- Yiyang Zeng
- Key Laboratory of Textile Science &Technology, Ministry of Education, College of Textiles, Donghua University, Shanghai 201620, China
| | - Yuanyuan Dong
- Key Laboratory of Textile Science &Technology, Ministry of Education, College of Textiles, Donghua University, Shanghai 201620, China
| | - Junli Chen
- Key Laboratory of Textile Science &Technology, Ministry of Education, College of Textiles, Donghua University, Shanghai 201620, China
| | - Xinwen Xu
- Key Laboratory of Textile Science &Technology, Ministry of Education, College of Textiles, Donghua University, Shanghai 201620, China
| | - Fuli Zhang
- Naval Characteristic Medical Center, Naval Medical University, Shanghai 200433, China.
| | - Hongling Liu
- Key Laboratory of Textile Science &Technology, Ministry of Education, College of Textiles, Donghua University, Shanghai 201620, China.
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Cruz ME, Ngoc Lam Tran T, Chiasera A, Durán A, Fernandez J, Balda R, Castro Y. Novel Sol-Gel Route to Prepare Eu 3+-Doped 80SiO 2-20NaGdF 4 Oxyfluoride Glass-Ceramic for Photonic Device Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:940. [PMID: 36903818 PMCID: PMC10004841 DOI: 10.3390/nano13050940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/01/2023] [Accepted: 03/03/2023] [Indexed: 06/18/2023]
Abstract
Oxyfluoride glass-ceramics (OxGCs) with the molar composition 80SiO2-20(1.5Eu3+: NaGdF4) were prepared with sol-gel following the "pre-crystallised nanoparticles route" with promising optical results. The preparation of 1.5 mol % Eu3+-doped NaGdF4 nanoparticles, named 1.5Eu3+: NaGdF4, was optimised and characterised using XRD, FTIR and HRTEM. The structural characterisation of 80SiO2-20(1.5Eu3+: NaGdF4) OxGCs prepared from these nanoparticles' suspension was performed by XRD and FTIR revealing the presence of hexagonal and orthorhombic NaGdF4 crystalline phases. The optical properties of both nanoparticles' phases and the related OxGCs were studied by measuring the emission and excitation spectra together with the lifetimes of the 5D0 state. The emission spectra obtained by exciting the Eu3+-O2- charge transfer band showed similar features in both cases corresponding the higher emission intensity to the 5D0→7F2 transition that indicates a non-centrosymmetric site for Eu3+ ions. Moreover, time-resolved fluorescence line-narrowed emission spectra were performed at a low temperature in OxGCs to obtain information about the site symmetry of Eu3+ in this matrix. The results show that this processing method is promising for preparing transparent OxGCs coatings for photonic applications.
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Affiliation(s)
| | - Thi Ngoc Lam Tran
- IFN-CNR CSMFO Laboratory and FBK Photonics Unit, Via alla Cascata 56/C Povo, 38123 Trento, Italy
- Department of Physics, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milano, Italy
- Department of Materials Technology, Faculty of Applied Science, Ho Chi Minh City University of Technology and Education, Vo Van Ngan Street 1, Thu Duc District, 720214 Ho Chi Minh City, Vietnam
| | - Alessandro Chiasera
- IFN-CNR CSMFO Laboratory and FBK Photonics Unit, Via alla Cascata 56/C Povo, 38123 Trento, Italy
| | - Alicia Durán
- Instituto de Cerámica y Vidrio, CSIC, 28049, Madrid, Spain
| | - Joaquín Fernandez
- Donostia International Physics Center (DIPC), 20018 San Sebastian, Spain
| | - Rolindes Balda
- Department Física Aplicada, Escuela Superior de Ingeniería, Universidad del País Vasco (UPV-EHU), 48013 Bilbao, Spain
- Centro de Física de Materiales, (CSIC-UPV/EHU), 20018 San Sebastian, Spain
| | - Yolanda Castro
- Instituto de Cerámica y Vidrio, CSIC, 28049, Madrid, Spain
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Hasabeldaim EHH, Swart HC, Kroon RE. Luminescence and stability of Tb doped CaF 2 nanoparticles. RSC Adv 2023; 13:5353-5366. [PMID: 36793306 PMCID: PMC9924223 DOI: 10.1039/d2ra07897j] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Accepted: 02/02/2023] [Indexed: 02/17/2023] Open
Abstract
Luminescence properties of CaF2:Tb3+ nanoparticles were studied in order to investigate the effect of CaF2 native defects on the photoluminescence dynamics of Tb3+ ions. Incorporation of Tb ions into the CaF2 host was confirmed by X-ray diffraction and X-ray photoelectron spectroscopy. Cross-relaxation energy transfer was observed from the photoluminescence spectra and decay curves upon excitation at 257 nm. However, the unusual long lifetime of the Tb3+ ion as well as the decreasing trend of emission lifetime of the 5D3 level suggested the involvement of traps, which were further investigated by using temperature-dependent photoluminescence measurements, thermoluminescence and lifetime measurements at different wavelengths. This work highlights the critical role that the CaF2 native defects play in the photoluminescence dynamics of Tb3+ ions incorporated in a CaF2 matrix. The sample doped with 10 mol% of Tb3+ ions was found to be stable under prolonged 254 nm ultraviolet irradiation.
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Affiliation(s)
- E. H. H. Hasabeldaim
- Department of Physics, University of the Free StatePO Box 339Bloemfontein9300South Africa
| | - H. C. Swart
- Department of Physics, University of the Free StatePO Box 339Bloemfontein9300South Africa
| | - R. E. Kroon
- Department of Physics, University of the Free StatePO Box 339Bloemfontein9300South Africa
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Picasso C, Salinas Y, Brüggemann O, Scharber MC, Sariciftci NS, Cardozo ODF, Rodrigues ES, Silva MS, Stingl A, Farias PMA. Lanthanide (Eu, Tb, La)-Doped ZnO Nanoparticles Synthesized Using Whey as an Eco-Friendly Chelating Agent. NANOMATERIALS 2022; 12:nano12132265. [PMID: 35808100 PMCID: PMC9268008 DOI: 10.3390/nano12132265] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 06/11/2022] [Accepted: 06/24/2022] [Indexed: 02/04/2023]
Abstract
Strategies for production and use of nanomaterials have rapidly moved towards safety and sustainability. Beyond these requirements, the novel routes must prove to be able to preserve and even improve the performance of the resulting nanomaterials. Increasing demand of high-performance nanomaterials is mostly related to electronic components, solar energy harvesting devices, pharmaceutical industries, biosensors, and photocatalysis. Among nanomaterials, Zinc oxide (ZnO) is of special interest, mainly due to its environmental compatibility and vast myriad of possibilities related to the tuning and the enhancement of ZnO properties. Doping plays a crucial role in this scenario. In this work we report and discuss the properties of undoped ZnO as well as lanthanide (Eu, Tb, and La)-doped ZnO nanoparticles obtained by using whey, a by-product of milk processing, as a chelating agent, without using citrate nor any other chelators. The route showed to be very effective and feasible for the affordable large-scale production of both pristine and doped ZnO nanoparticles in powder form.
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Affiliation(s)
- Carolina Picasso
- Institute of Inorganic Chemistry, Johannes Kepler University Linz, Altenberger Straße 69, 4040 Linz, Austria;
| | - Yolanda Salinas
- Institute of Polymer Chemistry (ICP), Johannes Kepler University Linz, Altenberger Straße 69, 4040 Linz, Austria;
- Correspondence: (Y.S.); (P.M.A.F.)
| | - Oliver Brüggemann
- Institute of Polymer Chemistry (ICP), Johannes Kepler University Linz, Altenberger Straße 69, 4040 Linz, Austria;
| | - Markus Clark Scharber
- Linz Institute for Organic Solar Cells (LIOS), Physical Chemistry Institute, Johannes Kepler University Linz, Altenberger Straße 69, 4040 Linz, Austria; (M.C.S.); (N.S.S.)
| | - Niyazi Serdar Sariciftci
- Linz Institute for Organic Solar Cells (LIOS), Physical Chemistry Institute, Johannes Kepler University Linz, Altenberger Straße 69, 4040 Linz, Austria; (M.C.S.); (N.S.S.)
| | - Olavo D. F. Cardozo
- Post-Graduate Program on Electrical Engineering, Federal University of Pernambuco, Cidade Universitaria, Recife 50670-901, Brazil;
- Phornano Holding GmbH, Kleinengersdorferstrasse 24, 2100 Korneuburg, Austria;
| | - Eriverton S. Rodrigues
- Post-Graduate Program on Material Sciences, Federal University of Pernambuco, Cidade Universitaria, Recife 50670-901, Brazil;
- Federal Institute of Education, Science and Technology of Sertão Pernambucano, Salgueiro 56000-000, Brazil;
| | - Marcelo S. Silva
- Federal Institute of Education, Science and Technology of Sertão Pernambucano, Salgueiro 56000-000, Brazil;
| | - Andreas Stingl
- Phornano Holding GmbH, Kleinengersdorferstrasse 24, 2100 Korneuburg, Austria;
| | - Patricia M. A. Farias
- Post-Graduate Program on Material Sciences, Federal University of Pernambuco, Cidade Universitaria, Recife 50670-901, Brazil;
- Correspondence: (Y.S.); (P.M.A.F.)
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Sharma R, Ghora M, Chouryal YN, Ganguly T, Acharjee D, Mondal DJ, Konar S, Nigam S, Ghosh P. Multifunctional Lanthanide-Doped Binary Fluorides and Graphene Oxide Nanocomposites Via a Task-Specific Ionic Liquid. ACS OMEGA 2022; 7:16906-16916. [PMID: 35647428 PMCID: PMC9134252 DOI: 10.1021/acsomega.1c06875] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Accepted: 04/27/2022] [Indexed: 06/15/2023]
Abstract
Graphene oxide-based nanocomposites (NCMs) exhibit diverse photonic and biophotonic applications. Innovative nanoengineering using a task-specific ionic liquid (IL), namely, 1-butyl-3-methyl tetrafluoroborate [C4mim][BF4], allows one to access a unique class of luminescent nanocomposites formed between lanthanide-doped binary fluorides and graphene oxide (GO). Here the IL is used as a solvent, templating agent, and as a reaction partner for the nanocomposite synthesis, that is, "all three in one". Our study shows that GO controls the size of the NCMs; however, it can tune the luminescence properties too. For example, the excitation spectrum of Ce3+ is higher-energy shifted when GO is attached. In addition, magnetic properties of GdF3:Tb3+ nanoparticles (NPs) and GdF3:Tb3+-GO NCMs are also studied at room temperature (300 K) and very low temperature (2 K). High magnetization results for the NPs (e.g., 6.676 emu g-1 at 300 K and 184.449 emu g-1 at 2 K in the applied magnetic field from +50 to -50 kOe) and NCMs promises their uses in many photonic and biphotonic applications including magnetic resonance imaging, etc.
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Affiliation(s)
- Rahul
Kumar Sharma
- Department
of Chemistry, Dr. H.S. Gour University (A
Central University), Sagar 470003, Madhya Pradesh, India
- Department
of Chemistry, Government Shyam Sundar Agrawal
PG College, Sihora, Jabalpur 483225, Madhya Pradesh India
| | - Madhubrata Ghora
- Department
of Chemistry, Dr. H.S. Gour University (A
Central University), Sagar 470003, Madhya Pradesh, India
| | - Yogendra N. Chouryal
- Department
of Chemistry, Dr. H.S. Gour University (A
Central University), Sagar 470003, Madhya Pradesh, India
| | - Trisit Ganguly
- Department
of Chemistry, Dr. H.S. Gour University (A
Central University), Sagar 470003, Madhya Pradesh, India
| | - Debopam Acharjee
- Department
of Chemistry, Dr. H.S. Gour University (A
Central University), Sagar 470003, Madhya Pradesh, India
| | - Dibya Jyoti Mondal
- Department
of Chemistry, Indian Institute of Science
Education and Research Bhopal, Bhopal Bypass Road, Bhauri, Bhopal 462066, Madhya
Pradesh India
| | - Sanjit Konar
- Department
of Chemistry, Indian Institute of Science
Education and Research Bhopal, Bhopal Bypass Road, Bhauri, Bhopal 462066, Madhya
Pradesh India
| | - Sandeep Nigam
- Chemistry
Division, Bhabha Atomic Research Centre, Trombay 400085, Mumbai, India
| | - Pushpal Ghosh
- Department
of Chemistry, Dr. H.S. Gour University (A
Central University), Sagar 470003, Madhya Pradesh, India
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