301
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Letzel A, Reich S, Dos Santos Rolo T, Kanitz A, Hoppius J, Rack A, Olbinado MP, Ostendorf A, Gökce B, Plech A, Barcikowski S. Time and Mechanism of Nanoparticle Functionalization by Macromolecular Ligands during Pulsed Laser Ablation in Liquids. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:3038-3047. [PMID: 30646687 DOI: 10.1021/acs.langmuir.8b01585] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Laser ablation of gold in liquids with nanosecond laser pulses in aqueous solutions of inorganic electrolytes and macromolecular ligands for gold nanoparticle size quenching is probed inside the laser-induced cavitation bubble by in situ X-ray multicontrast imaging with a Hartmann mask (XHI). It is found that (i) the in situ size quenching power of sodium chloride (NaCl) in comparison to the ablation in pure water can be observed by the scattering contrast from XHI already inside the cavitation bubble, while (ii) for polyvinylpyrrolidone (PVP) as a macromolecular model ligand an in situ size quenching cannot be observed. Complementary ex situ characterization confirms the overall size quenching ability of both additive types NaCl and PVP. The macromolecular ligand as well as its monomer N-vinylpyrrolidone (NVP) are mainly effective for growth quenching of larger nanoparticles on later time scales, leading to the conclusion of an alternative interaction mechanism with ablated nanoparticles compared to the electrolyte NaCl, probably outside of the cavitation bubble, in the surrounding liquid phase. While monomer and polymer have similar effects on the particle properties, with the polymer being slightly more efficient, only the polymer is effective against hydrodynamic aggregation.
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Affiliation(s)
- Alexander Letzel
- Department of Technical Chemistry I and Center for Nanointegration Duisburg-Essen (CENIDE) , University of Duisburg-Essen , Universitätsstraße 7 , 45141 Essen , Germany
| | - Stefan Reich
- Institute for Photon Science and Synchrotron Radiation , Karlsruhe Institute of Technology (KIT) , Hermann-von-Helmholtz-Platz 1 , 76344 Eggenstein-Leopoldshafen , Germany
| | - Tomy Dos Santos Rolo
- Institute for Photon Science and Synchrotron Radiation , Karlsruhe Institute of Technology (KIT) , Hermann-von-Helmholtz-Platz 1 , 76344 Eggenstein-Leopoldshafen , Germany
- Department of Electrical and Electronic Engineering , Southern University of Science and Technology , 518055 Shenzen , China
| | - Alexander Kanitz
- Applied Laser Technologies , Ruhr-University Bochum , Universitätsstraße 150 , 44801 Bochum , Germany
| | - Jan Hoppius
- Applied Laser Technologies , Ruhr-University Bochum , Universitätsstraße 150 , 44801 Bochum , Germany
| | - Alexander Rack
- ESRF - The European Synchrotron Radiation Facility , 30843 Grenoble , France
| | - Margie P Olbinado
- ESRF - The European Synchrotron Radiation Facility , 30843 Grenoble , France
| | - Andreas Ostendorf
- Applied Laser Technologies , Ruhr-University Bochum , Universitätsstraße 150 , 44801 Bochum , Germany
| | - Bilal Gökce
- Department of Technical Chemistry I and Center for Nanointegration Duisburg-Essen (CENIDE) , University of Duisburg-Essen , Universitätsstraße 7 , 45141 Essen , Germany
| | - Anton Plech
- Institute for Photon Science and Synchrotron Radiation , Karlsruhe Institute of Technology (KIT) , Hermann-von-Helmholtz-Platz 1 , 76344 Eggenstein-Leopoldshafen , Germany
| | - Stephan Barcikowski
- Department of Technical Chemistry I and Center for Nanointegration Duisburg-Essen (CENIDE) , University of Duisburg-Essen , Universitätsstraße 7 , 45141 Essen , Germany
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302
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Simakin AV, Astashev ME, Baimler IV, Uvarov OV, Voronov VV, Vedunova MV, Sevost'yanov MA, Belosludtsev KN, Gudkov SV. The Effect of Gold Nanoparticle Concentration and Laser Fluence on the Laser-Induced Water Decomposition. J Phys Chem B 2019; 123:1869-1880. [PMID: 30696249 DOI: 10.1021/acs.jpcb.8b11087] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
This Article covers the influence of the concentration of gold nanoparticles on laser-induced water decomposition. It was established that addition of gold nanoparticles intensifies laser-induced water decomposition by almost 2 orders of magnitude. The water decomposition rate was shown to be maximal at a nanoparticle concentration around 1010 NP/mL, whereas a decrease or increase of nanoparticle concentration leads to a decrease of water decomposition rate. It was demonstrated that, if the concentration of nanoparticles in water-based colloid was less than 1010 NP/mL, laser irradiation of the colloid caused formation of molecular hydrogen, hydrogen peroxide, and molecular oxygen. If the concentration of nanoparticles exceeded 1011 NP/mL, only two products, molecular hydrogen and hydrogen peroxide, were formed. Correlations between the water decomposition rate and the main optical and acoustic parameters of optical breakdown-generated plasma were investigated. Variants of laser-induced decomposition of colloidal solutions of nanoparticles based on organic solvents (ethanol, propanol-2, butanol-2, diethyl ether) were also analyzed.
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Affiliation(s)
- Aleksander V Simakin
- Prokhorov General Physics Institute of the Russian Academy of Sciences , 38 Vavilova St. , Moscow 119991 , Russia
| | - Maxim E Astashev
- Institute of Cell Biophysics of the Russian Academy of Sciences , 3 Institutskaya St. , Pushchino, Moscow Region 119991 , Russia
| | - Ilya V Baimler
- Prokhorov General Physics Institute of the Russian Academy of Sciences , 38 Vavilova St. , Moscow 119991 , Russia.,Moscow Institute of Physics and Technology , Institutsky Lane 9 , Dolgoprudny, Moscow Region 141700 , Russia
| | - Oleg V Uvarov
- Prokhorov General Physics Institute of the Russian Academy of Sciences , 38 Vavilova St. , Moscow 119991 , Russia
| | - Valery V Voronov
- Prokhorov General Physics Institute of the Russian Academy of Sciences , 38 Vavilova St. , Moscow 119991 , Russia
| | - Maria V Vedunova
- Institute of Biology and Biomedicine , Lobachevsky State University of Nizhny Novgorod , 23 Gagarin Ave. , Nizhny Novgorod 603950 , Russia
| | - Mikhail A Sevost'yanov
- Baikov Institute of Metallurgy and Materials Science of the Russian Academy of Sciences , 49 Leninskiy Ave. , Moscow 119334 , Russia
| | | | - Sergey V Gudkov
- Prokhorov General Physics Institute of the Russian Academy of Sciences , 38 Vavilova St. , Moscow 119991 , Russia.,Institute of Biology and Biomedicine , Lobachevsky State University of Nizhny Novgorod , 23 Gagarin Ave. , Nizhny Novgorod 603950 , Russia.,Moscow Regional Research and Clinical Institute (MONIKI) , 61/2 Shchepkina St. , Moscow 129110 , Russia
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303
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Kudryashov SI, Samokhvalov AA, Nastulyavichus AA, Saraeva IN, Mikhailovskii VY, Ionin AA, Veiko VP. Nanosecond-Laser Generation of Nanoparticles in Liquids: From Ablation through Bubble Dynamics to Nanoparticle Yield. MATERIALS 2019; 12:ma12040562. [PMID: 30781897 PMCID: PMC6416606 DOI: 10.3390/ma12040562] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Revised: 02/05/2019] [Accepted: 02/10/2019] [Indexed: 12/17/2022]
Abstract
A comprehensive picture of the nanosecond-laser generation of colloidal nanoparticles in liquids is nowadays the demand of their high-throughput industrial fabrication for diverse perspective biomedical, material science, and optoelectronic applications. In this study, using silicon as an example, we present a self-consistent experimental visualization and theoretical description of key transient stages during nanosecond-laser generation of colloidal nanoparticles in liquids: plasma-mediated injection of ablated mass into the liquid and driving the vapor bubble, finalized by the colloid appearance in the liquid. The explored fundamental transient stages envision the basic temporal and spatial scales, as well as laser parameter windows, for the demanded high-throughput nanosecond-laser generation of colloidal nanoparticles in liquids.
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Affiliation(s)
- Sergey I Kudryashov
- ITMO University, 197101 St. Petersburg, Russia.
- Lebedev Physical Institute, 119991 Moscow, Russia.
- National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), 115409 Moscow, Russia.
| | | | | | | | - Vladimir Y Mikhailovskii
- Research Park, St. Petersburg State University, 7/9 Universitetskaya nab., 199034 St. Petersburg, Russia.
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304
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Qin C, Zhang X, He W, Zhang G, Chen R, Gao Y, Xiao L, Jia S. Continuous-wave laser-induced welding and giant photoluminescence enhancement of Au nanospheres. OPTICS EXPRESS 2019; 27:2886-2898. [PMID: 30732319 DOI: 10.1364/oe.27.002886] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Accepted: 12/25/2018] [Indexed: 06/09/2023]
Abstract
Photoluminescence (PL) of Au nanoparticles is appealing for various biological applications, owing to their unique advantages. However, widespread applications are still limited by their extremely low quantum yield. Here, we report on the giant PL enhancement of aggregated Au nanospheres by continuous-wave (CW) laser irradiation. Our studies show that the laser-induced PL enhancement is influenced by the wavelength and power density of irradiation laser, as well as the size of Au nanospheres. The averaged intensity of Au nanospheres after irradiation by 405 nm CW laser at power density of 6 MW/cm2 is 75 times that of the as-prepared sample, where the highest enhancement of 150 folds is obtained. The giant PL enhancement is attributed to laser-induced photothermal welding and reshaping of adjacent Au nanospheres, which will dramatically enhance the incidence light field in the crevices around the welding areas by surface plasmon resonance. These studies not only declare that Au nanospheres are expected to find many new applications in PL-based biosensing and bioiamging, but also suggest that CW laser can be used as a versatile tool to weld and reshape the Au nanospheres in order to build up functionalized electronic and optoelectronic devices.
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305
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Determining the Composite Structure of Au-Fe-Based Submicrometre Spherical Particles Fabricated by Pulsed-Laser Melting in Liquid. NANOMATERIALS 2019; 9:nano9020198. [PMID: 30717489 PMCID: PMC6409745 DOI: 10.3390/nano9020198] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Revised: 01/23/2019] [Accepted: 01/31/2019] [Indexed: 12/21/2022]
Abstract
Submicrometre spherical particles made of Au and Fe can be fabricated by pulsed-laser melting in liquid (PLML) using a mixture of Au and iron oxide nanoparticles as the raw particles dispersed in ethanol, although the detailed formation mechanism has not yet been clarified. Using a 355 nm pulsed laser to avoid extreme temperature difference between two different raw particles during laser irradiation and an Fe₂O₃ raw nanoparticle colloidal solution as an iron source to promote the aggregation of Au and Fe₂O₃ nanoparticles, we performed intensive characterization of the products and clarified the formation mechanism of Au-Fe composite submicrometre spherical particles. Because of the above two measures (Fe₂O₃ raw nanoparticle and 355 nm pulsed laser), the products-whether the particles are phase-separated or homogeneous alloys-basically follow the phase diagram. In Fe-rich range, the phase-separated Au-core/Fe-shell particles were formed, because quenching induces an earlier solidification of the Fe-rich component as a result of cooling from the surrounding ethanol. If the particle size is small, the quenching rate becomes very rapid and particles were less phase-separated. For high Au contents exceeding 70% in weight, crystalline Au-rich alloys were formed without phase separation. Thus, this aggregation control is required to selectively form homogeneous or phase-separated larger submicrometre-sized particles by PLML.
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306
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Satya Bharati MS, Chandu B, Rao SV. Explosives sensing using Ag-Cu alloy nanoparticles synthesized by femtosecond laser ablation and irradiation. RSC Adv 2019; 9:1517-1525. [PMID: 35518042 PMCID: PMC9059630 DOI: 10.1039/c8ra08462a] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Accepted: 01/08/2019] [Indexed: 12/18/2022] Open
Abstract
Herein we demonstrate the synthesis of Ag-Cu alloy NPs through a consecutive two-step process; laser ablation followed by laser irradiation. Initially, pure Ag and Cu NPs were produced individually using the laser ablation in liquid technique (with ∼50 femtosecond pulses at 800 nm) which was followed by laser irradiation of the mixed Ag and Cu NPs in equal volume. These Ag, Cu, and Ag-Cu NPs were characterised by UV-visible absorption, HRTEM and XRD techniques. The alloy formation was confirmed by the presence of a single surface plasmon resonance peak in absorption spectra and elemental mapping using FESEM techniques. Furthermore, the results from surface enhanced Raman scattering (SERS) studies performed for the methylene blue (MB) molecule suggested that Ag-Cu alloy NPs demonstrate a higher enhancement factor (EF) compared to pure Ag/Cu NPs. Additionally, SERS studies of Ag-Cu alloy NPs were implemented for the detection of explosive molecules such as picric acid (PA - 5 μM), ammonium nitrate (AN - 5 μM) and the dye molecule methylene blue (MB - 5 nM). These alloy NPs exhibited superiority in the detection of various analyte molecules with good reproducibility and high sensitivity with EFs in the range of 104 to 107.
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Affiliation(s)
- Moram Sree Satya Bharati
- Advanced Centre for Research in High Energy Materials (ACRHEM), University of Hyderabad Prof. C. R. Rao Road Hyderabad 500046 Telangana India
| | - Byram Chandu
- Advanced Centre for Research in High Energy Materials (ACRHEM), University of Hyderabad Prof. C. R. Rao Road Hyderabad 500046 Telangana India
| | - S Venugopal Rao
- Advanced Centre for Research in High Energy Materials (ACRHEM), University of Hyderabad Prof. C. R. Rao Road Hyderabad 500046 Telangana India
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307
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Waag F, Li Y, Ziefuß AR, Bertin E, Kamp M, Duppel V, Marzun G, Kienle L, Barcikowski S, Gökce B. Kinetically-controlled laser-synthesis of colloidal high-entropy alloy nanoparticles. RSC Adv 2019; 9:18547-18558. [PMID: 35515245 PMCID: PMC9064730 DOI: 10.1039/c9ra03254a] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Accepted: 05/29/2019] [Indexed: 12/11/2022] Open
Abstract
The single-step incorporation of multiple immiscible elements into colloidal high-entropy alloy (HEA) nanoparticles has manifold technological potential, but it continues to be a challenge for state-of-the-art synthesis methods. Hence, the development of a synthesis approach by which the chemical composition and phase of colloidal HEA nanoparticles can be controlled could lead to a new pool of nanoalloys with unparalleled functionalities. Herein, this study reports the single-step synthesis of colloidal CoCrFeMnNi HEA nanoparticles with targeted equimolar stoichiometry and diameters less than 5 nm by liquid-phase, ultrashort-pulsed laser ablation of the consolidated and heat-treated micropowders of the five constituent metals. Further, the scalability of the process with an unprecedented productivity of 3 grams of colloidal HEA nanoparticles per hour is demonstrated. Electrochemical analysis reveals a unique redox behavior of the particles' surfaces in an alkaline environment and a potential for future application as a heterogeneous catalyst for the oxygen evolution reaction. The laser ablation of a bulk CoCrFeMnNi high-entropy alloy immersed in liquid yields colloidal nanoparticles with diameters below 5 nm. Both, the chemical composition and the crystal lattice of the bulk material is preserved in the nanoparticles.![]()
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308
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Kang S, Ryu JH, Lee B, Jung KH, Shim KB, Han H, Kim KM. Laser wavelength modulated pulsed laser ablation for selective and efficient production of graphene quantum dots. RSC Adv 2019; 9:13658-13663. [PMID: 35519575 PMCID: PMC9063958 DOI: 10.1039/c9ra02087j] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Accepted: 04/27/2019] [Indexed: 12/27/2022] Open
Abstract
Graphene quantum dots (GQDs) and graphene oxide quantum dots (GOQDs) can be selectively produced by wavelength-modulated pulsed laser ablation in liquid (PLAL) method, which can used in different applications such as optoelectronic and biomedical applications, respectively.
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Affiliation(s)
- Sukhyun Kang
- Korea Institute of Industrial Technology
- Republic of Korea
- Department of Materials Science and Engineering
- Hanyang University
- Seongdong-gu
| | - Jeong Ho Ryu
- Department of Materials Science and Engineering
- Korea National University of Transportation
- Chungju-si
- Republic of Korea
| | - Byoungsoo Lee
- Korea Institute of Industrial Technology
- Republic of Korea
| | | | - Kwang Bo Shim
- Department of Materials Science and Engineering
- Hanyang University
- Seongdong-gu
- Republic of Korea
| | - Hyuksu Han
- Korea Institute of Industrial Technology
- Republic of Korea
- Department of Materials Science and Engineering
- Hongik University
- Sejong
| | - Kang Min Kim
- Korea Institute of Industrial Technology
- Republic of Korea
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309
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P. S. L, G. S. S, R. A. R, M. A, R. TM, H. BM, G. MV, E. C, J. A, E. L. Laser and electron beam-induced formation of Ag/Cr structures on Ag2CrO4. Phys Chem Chem Phys 2019; 21:6101-6111. [DOI: 10.1039/c8cp07263a] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The interactions of silver chromate with a femtosecond laser and electron beam irradiations were investigated.
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Affiliation(s)
- Lemos P. S.
- INCTMN-CDMF, Universidade Federal de São Carlos
- 13565-905 São Carlos
- Brazil
| | - Silva G. S.
- INCTMN-CDMF, Universidade Federal de São Carlos
- 13565-905 São Carlos
- Brazil
| | - Roca R. A.
- INCTMN-CDMF, Universidade Federal de São Carlos
- 13565-905 São Carlos
- Brazil
| | - Assis M.
- INCTMN-CDMF, Universidade Federal de São Carlos
- 13565-905 São Carlos
- Brazil
| | - Torres-Mendieta R.
- Institute for Nanomaterials, Advanced Technologies and Innovation, Technical University of Liberec
- 461 17 Liberec
- Czech Republic
| | - Beltrán-Mir H.
- Department of Inorganic and Organic Chemistry, University Jaume I (UJI)
- Castelló 12071
- Spain
| | - Mínguez-Vega G.
- GROC UJI, Institut de Noves Tecnologies de la Imatge (INIT), University Jaume I (UJI)
- Castelló 12071
- Spain
| | - Cordoncillo E.
- Department of Inorganic and Organic Chemistry, University Jaume I (UJI)
- Castelló 12071
- Spain
| | - Andrés J.
- Department of Analytical and Physical Chemistry, University Jaume I (UJI)
- Castelló 12071
- Spain
| | - Longo E.
- INCTMN-UNESP, Universidade Estadual Paulista
- 14801-907 Araraquara
- Brazil
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310
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Meng C, Lin M, Sun X, Chen X, Chen X, Du X, Zhou Y. Laser synthesis of oxygen vacancy-modified CoOOH for highly efficient oxygen evolution. Chem Commun (Camb) 2019; 55:2904-2907. [DOI: 10.1039/c8cc08951e] [Citation(s) in RCA: 78] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Laser ablation in liquids has been, for the first time, employed to produce oxygen vacancy-modified CoOOH nanosheets for efficient water oxidation.
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Affiliation(s)
- Chao Meng
- College of Electrical Engineering and Automation
- Shandong University of Science and Technology
- Qingdao
- China
| | - Mengchang Lin
- College of Electrical Engineering and Automation
- Shandong University of Science and Technology
- Qingdao
- China
| | - Xuechun Sun
- Institute of New-Energy Materials
- School of Materials Science and Engineering
- Tianjin University
- Tianjin
- China
| | - Xiaodong Chen
- College of Electrical Engineering and Automation
- Shandong University of Science and Technology
- Qingdao
- China
| | - Xuemin Chen
- College of Science
- Hebei University of Science & Technology
- Shijiazhuang
- China
| | - Xiwen Du
- Institute of New-Energy Materials
- School of Materials Science and Engineering
- Tianjin University
- Tianjin
- China
| | - Yue Zhou
- College of Electrical Engineering and Automation
- Shandong University of Science and Technology
- Qingdao
- China
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311
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Kang S, Jeong YK, Jung KH, Son Y, Choi SC, An GS, Han H, Kim KM. Simple preparation of graphene quantum dots with controllable surface states from graphite. RSC Adv 2019; 9:38447-38453. [PMID: 35540206 PMCID: PMC9075865 DOI: 10.1039/c9ra07555k] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Accepted: 11/18/2019] [Indexed: 11/21/2022] Open
Abstract
Graphite is economic and earth-abundant carbon precursor for preparing graphene quantum dots (GQDs). Here, we report a facile and green approach to produce GQDs from graphite flakes via a pulsed laser ablation (PLA) method assisted by high-power sonication. A homogeneous dispersion of graphite flakes, caused by high-power sonication during PLA, leads to the formation of GQDs following a laser fragmentation in liquid (LFL) rather than laser ablation in liquid (LAL) mechanism. The final product of GQDs exhibits the distinct structural, chemical, and optical properties of pristine graphene itself. However, graphene oxide quantum dots (GOQDs) with abundant surface oxygen-rich functional groups are readily formed from graphite flakes when high-power sonication is not employed during the PLA process. GQDs and GOQDs show a significantly different luminescence nature. Hence, selective production of either functional GQDs or GOQDs can be achieved by simply turning the high-power sonication during the PLA process on and off. We believe that our modified PLA process proposed in this work will further open up facile and simple routes for designing functional carbon materials. The proposed technique enables selectively producing graphene quantum dots (on-GQDs) and graphene oxide quantum dots (off-GOQDs) by depending on the applying sonication during the pulsed laser ablation process.![]()
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Affiliation(s)
- Sukhyun Kang
- Korea Institute of Industrial Technology
- Republic of Korea
| | | | | | - Yong Son
- Korea Institute of Industrial Technology
- Siheung-si
- Republic of Korea
| | - Sung-Churl Choi
- Division of Materials Science and Engineering
- Hanyang University
- Seongdong-gu
- Republic of Korea
| | - Gae Seok An
- Division of Materials Science and Engineering
- Hanyang University
- Seongdong-gu
- Republic of Korea
| | - Hyuksu Han
- Department of Materials Science and Engineering
- Hongik University
- Sejong
- Republic of Korea
| | - Kang Min Kim
- Korea Institute of Industrial Technology
- Republic of Korea
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312
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Kalus MR, Lanyumba R, Lorenzo-Parodi N, Jochmann MA, Kerpen K, Hagemann U, Schmidt TC, Barcikowski S, Gökce B. Determining the role of redox-active materials during laser-induced water decomposition. Phys Chem Chem Phys 2019; 21:18636-18651. [DOI: 10.1039/c9cp02663k] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The decomposition of water and the formation of molecular hydrogen, oxygen, and hydrogen peroxide during laser ablation of redox-active materials is systematically studied and related to the ablation rate and oxidation degree of the nanoparticles.
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Affiliation(s)
- Mark-Robert Kalus
- Technical Chemistry I
- University of Duisburg-Essen and Center for Nanointegration Duisburg-Essen (CENIDE)
- 45141 Essen
- Germany
| | - Riskyanti Lanyumba
- Technical Chemistry I
- University of Duisburg-Essen and Center for Nanointegration Duisburg-Essen (CENIDE)
- 45141 Essen
- Germany
| | - Nerea Lorenzo-Parodi
- Instrumental Analytical Chemistry and Centre for Water and Environmental Research (ZWU)
- 45141 Essen
- Germany
| | - Maik A. Jochmann
- Instrumental Analytical Chemistry and Centre for Water and Environmental Research (ZWU)
- 45141 Essen
- Germany
| | - Klaus Kerpen
- Instrumental Analytical Chemistry and Centre for Water and Environmental Research (ZWU)
- 45141 Essen
- Germany
| | - Ulrich Hagemann
- Interdisciplinary Center for Analytics on the Nanoscale (ICAN) and Center for Nanointegration Duisburg-Essen (CENIDE)
- University of Duisburg-Essen
- 47057 Duisburg
- Germany
| | - Torsten C. Schmidt
- Instrumental Analytical Chemistry and Centre for Water and Environmental Research (ZWU)
- 45141 Essen
- Germany
| | - Stephan Barcikowski
- Technical Chemistry I
- University of Duisburg-Essen and Center for Nanointegration Duisburg-Essen (CENIDE)
- 45141 Essen
- Germany
| | - Bilal Gökce
- Technical Chemistry I
- University of Duisburg-Essen and Center for Nanointegration Duisburg-Essen (CENIDE)
- 45141 Essen
- Germany
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313
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Olenin AY, Lisichkin GV. Preparation and Use of Chemically Modified Noble Metal Nanoparticles. RUSS J APPL CHEM+ 2018. [DOI: 10.1134/s107042721809001x] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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314
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Exceptionally stable silver nanoparticles synthesized by laser ablation in alcoholic organic solvent. Colloids Surf A Physicochem Eng Asp 2018. [DOI: 10.1016/j.colsurfa.2018.09.046] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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315
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Jung HJ, Koutavarapu R, Lee S, Kim JH, Choi HC, Choi MY. Enhanced photocatalytic degradation of lindane using metal-semiconductor Zn@ZnO and ZnO/Ag nanostructures. J Environ Sci (China) 2018; 74:107-115. [PMID: 30340663 DOI: 10.1016/j.jes.2018.02.014] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2017] [Revised: 02/12/2018] [Accepted: 02/20/2018] [Indexed: 05/14/2023]
Abstract
To achieve enhanced photocatalytic activity for the degradation of lindane, we prepared metal-semiconductor composite nanoparticles (NPs). Zn@ZnO core-shell (CS) nanocomposites, calcined ZnO, and Ag-doped ZnO (ZnO/Ag) nanostructures were prepared using pulsed laser ablation in liquid, calcination, and photodeposition methods, respectively, without using surfactants or catalysts. The as-prepared catalysts were characterized by using X-ray diffraction (XRD), field-emission scanning electron microscopy, high-resolution transmission electron microscopy, ultraviolet-visible (UV-vis) spectroscopy, and photoluminescence spectroscopy. In addition, elemental analysis was performed by energy dispersive X-ray spectroscopy. The obtained XRD and morphology results indicated good dispersion of Zn and Ag NPs on the surface of the ZnO nanostructures. Investigation of the photocatalytic degradation of lindane under UV-vis irradiation showed that Zn@ZnO CS nanocomposites exhibit higher photocatalytic activity than the other prepared samples. The maximum degradation rate of lindane was 99.5% in 40min using Zn@ZnO CS nanocomposites. The radical trapping experiments verified that the hydroxyl radical (·OH) was the main reactive species for the degradation of lindane.
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Affiliation(s)
- Hyeon Jin Jung
- Department of Chemistry (BK21+) and Research Institute of Natural Science, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Ravindranadh Koutavarapu
- Department of Chemistry (BK21+) and Research Institute of Natural Science, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Seulki Lee
- Department of Chemistry (BK21+) and Research Institute of Natural Science, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Ju Hyun Kim
- Department of Chemistry (BK21+) and Research Institute of Natural Science, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Hyun Chul Choi
- Department of Chemistry, Chonnam National University, Gwangju 61186, Republic of Korea.
| | - Myong Yong Choi
- Department of Chemistry (BK21+) and Research Institute of Natural Science, Gyeongsang National University, Jinju 52828, Republic of Korea.
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316
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Schlemmer W, Fischer W, Zankel A, Vukušić T, Filipič G, Jurov A, Blažeka D, Goessler W, Bauer W, Spirk S, Krstulović N. Green Procedure to Manufacture Nanoparticle-Decorated Paper Substrates. MATERIALS (BASEL, SWITZERLAND) 2018; 11:E2412. [PMID: 30501055 PMCID: PMC6316935 DOI: 10.3390/ma11122412] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Revised: 11/20/2018] [Accepted: 11/26/2018] [Indexed: 01/02/2023]
Abstract
For this study, a paper impregnated with silver nanoparticles (AgNPs) was prepared. To prepare the substrates, aqueous suspensions of pulp fines, a side product from the paper production, were mixed with AgNP suspensions. The nanoparticle (NP) synthesis was then carried out via laser ablation of pure Ag in water. After the sheet formation process, the leaching of the AgNPs was determined to be low while the sheets exhibited antimicrobial activity toward Escherichia coli (E. coli).
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Affiliation(s)
- Werner Schlemmer
- Institute of Paper-, Pulp- and Fibre Technology (IPZ), Graz University of Technology, Inffeldgasse 23, 8010 Graz, Austria.
| | - Wolfgang Fischer
- Institute of Paper-, Pulp- and Fibre Technology (IPZ), Graz University of Technology, Inffeldgasse 23, 8010 Graz, Austria.
| | - Armin Zankel
- Institute of Electron Microscopy and Nanoanalysis (FELMI), Steyrergasse 17, 8010 Graz, Austria.
| | - Tomislava Vukušić
- Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva 6, 10000 Zagreb, Croatia.
| | - Gregor Filipič
- Jožef Stefan Institute, Jamova 39, Ljubljana 1000, Slovenia.
| | - Andrea Jurov
- Jožef Stefan Institute, Jamova 39, Ljubljana 1000, Slovenia.
- Jožef Stefan International Postgraduate School, Jamova 39, Ljubljana 1000, Slovenia.
| | - Damjan Blažeka
- Institute of Physics, Bijenička 46, 10000 Zagreb, Croatia.
| | - Walter Goessler
- Institute of Chemistry, University of Graz, Universitaetsplatz 1, 8010 Graz, Austria.
| | - Wolfgang Bauer
- Institute of Paper-, Pulp- and Fibre Technology (IPZ), Graz University of Technology, Inffeldgasse 23, 8010 Graz, Austria.
| | - Stefan Spirk
- Institute of Paper-, Pulp- and Fibre Technology (IPZ), Graz University of Technology, Inffeldgasse 23, 8010 Graz, Austria.
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317
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Hwang JS, Yang M. Sensitive and Reproducible Gold SERS Sensor Based on Interference Lithography and Electrophoretic Deposition. SENSORS (BASEL, SWITZERLAND) 2018; 18:E4076. [PMID: 30469441 PMCID: PMC6263928 DOI: 10.3390/s18114076] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Revised: 11/19/2018] [Accepted: 11/20/2018] [Indexed: 02/06/2023]
Abstract
Surface-enhanced Raman spectroscopy (SERS) is a promising analytical tool due to its label-free detection ability and superior sensitivity, which enable the detection of single molecules. Since its sensitivity is highly dependent on localized surface plasmon resonance, various methods have been applied for electric field-enhanced metal nanostructures. Despite the intensive research on practical applications of SERS, fabricating a sensitive and reproducible SERS sensor using a simple and low-cost process remains a challenge. Here, we report a simple strategy to produce a large-scale gold nanoparticle array based on laser interference lithography and the electrophoretic deposition of gold nanoparticles, generated through a pulsed laser ablation in liquid process. The fabricated gold nanoparticle array produced a sensitive, reproducible SERS signal, which allowed Rhodamine 6G to be detected at a concentration as low as 10-8 M, with an enhancement factor of 1.25 × 10⁵. This advantageous fabrication strategy is expected to enable practical SERS applications.
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Affiliation(s)
- June Sik Hwang
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Daejeon 34141, Korea.
| | - Minyang Yang
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Daejeon 34141, Korea.
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318
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Rodrigues CJ, Bobb JA, John MG, Fisenko SP, El-Shall MS, Tibbetts KM. Nucleation and growth of gold nanoparticles initiated by nanosecond and femtosecond laser irradiation of aqueous [AuCl 4] . Phys Chem Chem Phys 2018; 20:28465-28475. [PMID: 30411753 PMCID: PMC6310131 DOI: 10.1039/c8cp05774e] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Irradiation of aqueous [AuCl4]- with 532 nm nanosecond (ns) laser pulses produces monodisperse (PDI = 0.04) 5 nm Au nanoparticles (AuNPs) without any additives or capping agents via a plasmon-enhanced photothermal autocatalytic mechanism. Compared with 800 nm femtosecond (fs) laser pulses, the AuNP growth kinetics under ns laser irradiation follow the same autocatalytic rate law, but with a significantly lower sensitivity to laser pulse energy. The results are explained using a simple model for simulating heat transfer in liquid water and at the interface with AuNPs. While the extent of water superheating with the ns laser is smaller compared to the fs laser, its significantly longer duration can provide sufficient energy to dissociate a small fraction of the [AuCl4]- present, resulting in the formation of AuNPs by coalescence of the resulting Au atoms. Irradiation of initially formed AuNPs at 532 nm results in plasmon-enhanced superheating of water, which greatly accelerates the rate of thermal dissociation of [AuCl4]- and accounts for the observed autocatalytic kinetics. The plasmon-enhanced heating under ns laser irradiation fragments the AuNPs and results in nearly uniform 5 nm particles, while the lack of particles' heating under fs laser irradiation results in the growth of the particles as large as 40 nm.
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Affiliation(s)
- Collin J. Rodrigues
- Department of Chemistry, Virginia Commonwealth University, Richmond, VA 23284, USA
| | - Julian A. Bobb
- Department of Chemistry, Virginia Commonwealth University, Richmond, VA 23284, USA
| | - Mallory G. John
- Department of Chemistry, Virginia Commonwealth University, Richmond, VA 23284, USA
| | - Sergey P. Fisenko
- Department of Chemistry, Virginia Commonwealth University, Richmond, VA 23284, USA
- A.V. Luikov Heat and Mass Transfer Institute, National Academy of Sciences of Belarus, 220072 Minsk, Belarus
| | - M. Samy El-Shall
- Department of Chemistry, Virginia Commonwealth University, Richmond, VA 23284, USA
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319
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Johny J, Sepulveda Guzman S, Krishnan B, Avellaneda Avellaneda D, Shaji S. Nanostructured SnS 2 Thin Films from Laser Ablated Nanocolloids: Structure, Morphology, Optoelectronic and Electrochemical Properties. Chemphyschem 2018; 19:2902-2914. [PMID: 30117249 DOI: 10.1002/cphc.201800670] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Indexed: 01/01/2023]
Abstract
Tin disulfide (SnS2 ) is a binary chalcogenide semiconductor having applications in solar cells, energy storage, and optoelectronics. SnS2 thin films were deposited by spraying the nanocolloids synthesized by pulsed laser ablation in liquid. The structure, morphology, and optoelectronic properties were studied for films obtained from two liquid media (ethanol and isopropanol) and after heat treatments at various temperatures. X-ray diffraction analysis confirmed the hexagonal crystal structure of the films, whereas the 2-H polytype structure was identified by micro-Raman spectroscopy. Oxidation states of Sn (4+) and S (2-) identified from high resolution X-ray photoelectron spectra confirmed the composition and chemical states of the films. The SnS2 thin films exhibited distinct porous surface morphologies as the liquid medium in laser ablation was varied. All as-prepared and annealed films showed photoluminescence with a high intensity peak at 485 nm and a low intensity peak at 545 nm. Thin films annealed at 300 °C showed improved electrochemical properties upon illumination using a blue LED light source. Current-voltage curves recorded in dark and light as well as the photoresponse measurements showed their suitability for utilization in optoelectronic devices. The results of this study may trigger further research towards fabrication of nanostructured thin films in large area for optoelectronic and photoelectrochemical applications in an environment friendly and cost-effective way.
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Affiliation(s)
- Jacob Johny
- Facultad de Ingeniería Mecánica y Eléctrica, Universidad Autónoma de Nuevo León, Av. Universidad s/n, Ciudad Universitaria, San Nicolás de los Garza, Nuevo León, 66455, México
| | - Selene Sepulveda Guzman
- Facultad de Ingeniería Mecánica y Eléctrica, Universidad Autónoma de Nuevo León, Av. Universidad s/n, Ciudad Universitaria, San Nicolás de los Garza, Nuevo León, 66455, México.,CIIDIT- Universidad Autónoma de Nuevo León, Apodaca, Nuevo León, 66000, México
| | - Bindu Krishnan
- Facultad de Ingeniería Mecánica y Eléctrica, Universidad Autónoma de Nuevo León, Av. Universidad s/n, Ciudad Universitaria, San Nicolás de los Garza, Nuevo León, 66455, México.,CIIDIT- Universidad Autónoma de Nuevo León, Apodaca, Nuevo León, 66000, México
| | - David Avellaneda Avellaneda
- Facultad de Ingeniería Mecánica y Eléctrica, Universidad Autónoma de Nuevo León, Av. Universidad s/n, Ciudad Universitaria, San Nicolás de los Garza, Nuevo León, 66455, México
| | - Sadasivan Shaji
- Facultad de Ingeniería Mecánica y Eléctrica, Universidad Autónoma de Nuevo León, Av. Universidad s/n, Ciudad Universitaria, San Nicolás de los Garza, Nuevo León, 66455, México.,CIIDIT- Universidad Autónoma de Nuevo León, Apodaca, Nuevo León, 66000, México
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320
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Rostek A, Breisch M, Pappert K, Loza K, Heggen M, Köller M, Sengstock C, Epple M. Comparative biological effects of spherical noble metal nanoparticles (Rh, Pd, Ag, Pt, Au) with 4-8 nm diameter. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2018; 9:2763-2774. [PMID: 30498649 PMCID: PMC6244119 DOI: 10.3762/bjnano.9.258] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2018] [Accepted: 10/10/2018] [Indexed: 05/30/2023]
Abstract
For a comparative cytotoxicity study, nanoparticles of the noble metals Rh, Pd, Ag, Pt, and Au (spherical, average diameter 4 to 8 nm) were prepared by reduction in water and colloidally stabilized with poly(N-vinyl pyrrolidone) (PVP). Thus, their shape, size, and surface functionalization were all the same. Size and morphology of the nanoparticles were determined by dynamic light scattering (DLS), analytical disc centrifugation (differential centrifugal sedimentation, DCS), and high-resolution transmission electron microscopy (HRTEM). Cell-biological experiments were performed to determine the effect of particle exposure on the viability of human mesenchymal stem cells (hMSCs). Except for silver, no adverse effect of any of the metal nanoparticles was observed for concentrations up to 50 ppm (50 mg L-1) incubated for 24 h, indicating that noble metal nanoparticles (rhodium, palladium, platinum, gold) that do not release ions are not cytotoxic under these conditions.
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Affiliation(s)
- Alexander Rostek
- Inorganic Chemistry and Center for Nanointegration Duisburg-Essen (CeNIDE), University of Duisburg-Essen, Universitaetsstr. 5-7, D-45117 Essen, Germany. ; Tel: +49 201 1832402; E-mail:
| | - Marina Breisch
- Bergmannsheil University Hospital/Surgical Research, Ruhr-University of Bochum, Bürkle-de-la-Camp-Platz 1, 44789 Bochum, Germany
| | - Kevin Pappert
- Inorganic Chemistry and Center for Nanointegration Duisburg-Essen (CeNIDE), University of Duisburg-Essen, Universitaetsstr. 5-7, D-45117 Essen, Germany. ; Tel: +49 201 1832402; E-mail:
| | - Kateryna Loza
- Inorganic Chemistry and Center for Nanointegration Duisburg-Essen (CeNIDE), University of Duisburg-Essen, Universitaetsstr. 5-7, D-45117 Essen, Germany. ; Tel: +49 201 1832402; E-mail:
| | - Marc Heggen
- Ernst Ruska-Center and Peter Gruenberg Institute, Forschungszentrum Juelich GmbH, 52425 Juelich, Germany
| | - Manfred Köller
- Bergmannsheil University Hospital/Surgical Research, Ruhr-University of Bochum, Bürkle-de-la-Camp-Platz 1, 44789 Bochum, Germany
| | - Christina Sengstock
- Bergmannsheil University Hospital/Surgical Research, Ruhr-University of Bochum, Bürkle-de-la-Camp-Platz 1, 44789 Bochum, Germany
| | - Matthias Epple
- Inorganic Chemistry and Center for Nanointegration Duisburg-Essen (CeNIDE), University of Duisburg-Essen, Universitaetsstr. 5-7, D-45117 Essen, Germany. ; Tel: +49 201 1832402; E-mail:
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321
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Deng H, Chen F, Yang C, Chen M, Li L, Chen D. Effect of Eu doping concentration on fluorescence and magnetic resonance imaging properties of Gd 2O 3:Eu 3+ nanoparticles used as dual-modal contrast agent. NANOTECHNOLOGY 2018; 29:415601. [PMID: 30002260 DOI: 10.1088/1361-6528/aad347] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Europium-doped gadolinium oxide (Gd2O3:Eu3+) nanoparticles (NPs) with favorable properties for use in fluorescence imaging (FI) and magnetic resonance imaging (MRI) dual-modal contrast agent has attracted intense attention in biomedical applications. However, limited information is available on balancing FI and MRI by adjusting doping concentrations. In this study, Gd2O3:Eu3+ NPs with various Eu3+ doping concentrations were prepared by the facile and general technique of laser ablation in liquid (LAL). The influence of Eu3+-doping concentration on fluorescence properties and longitudinal relaxivity were investigated. The optimum Eu3+-doping concentration with both high fluorescence properties and longitudinal relaxivity was determined to be 5%. The characterization of the structure, morphology, and composition shows that these NPs possess good crystallinity and excellent dispersibility. These results show that Gd2O3:Eu3+ NPs prepared by LAL are promising candidates for highly efficient FI and MRI dual-modal contrast agents.
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Affiliation(s)
- Huawei Deng
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou 510275, People's Republic of China
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322
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Tarasenka N, Kiris V, Stankevičius E, Tarasenko N, Pankov V, Krčma F, Gečys P, Račiukaitis G. Laser Irradiation of Gd-Si and Gd-Si-Ge Colloid Mixtures for the Fabrication of Compound Nanoparticles. Chemphyschem 2018; 19:3247-3256. [PMID: 30285314 DOI: 10.1002/cphc.201800753] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Indexed: 11/12/2022]
Abstract
Binary (Gd5 Si4 , GdSi) and ternary (Gd5 Si2 Ge2 ) compound nanoparticles (NPs) were prepared by laser irradiation of a mixture of colloidal solutions containing NPs of the relevant elements. It is assumed that the compound NPs are formed by heating, co-melting, and chemical interactions in the alloyed droplets. The blackbody-like radiation of the heated NPs was used for temperature control of the NP-preparation process. The obtained results demonstrate that laser irradiation of colloidal NPs provides unique possibilities not only for the synthesis of compound NPs but also for control of their phase composition and size. The synthesized Gd-based compound NPs exhibited magnetic transition at an ordering temperature, TC , in the range of 310-320 K. Thus, the magnetic properties of the synthesized particles confirm their potential for biomedical applications, in particular, for magnetic hyperthermia treatment.
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Affiliation(s)
- Natalie Tarasenka
- B.I. Stepanov Institute of physics, National Academy of Sciences of Belarus, 68 Nezalezhnasti ave., 220072, Minsk, Belarus
| | - Vasili Kiris
- B.I. Stepanov Institute of physics, National Academy of Sciences of Belarus, 68 Nezalezhnasti ave., 220072, Minsk, Belarus
| | - Evaldas Stankevičius
- Center for Physical Sciences and Technology, 231 Savanoriu Ave., LT-02300, Vilnius, Lithuania
| | - Nikolai Tarasenko
- B.I. Stepanov Institute of physics, National Academy of Sciences of Belarus, 68 Nezalezhnasti ave., 220072, Minsk, Belarus
| | - Vladimir Pankov
- Chemical Department, Belarusian State University, 14 Leningradskaya Str., 220006, Minsk, Belarus
| | - František Krčma
- Faculty of Chemistry, Brno University of Technology, 118 Purkynova Str., 612 00, Brno, Czech Republic
| | - Paulius Gečys
- Center for Physical Sciences and Technology, 231 Savanoriu Ave., LT-02300, Vilnius, Lithuania
| | - Gediminas Račiukaitis
- Center for Physical Sciences and Technology, 231 Savanoriu Ave., LT-02300, Vilnius, Lithuania
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323
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Zimbone M, Cacciato G, Spitaleri L, Egdell RG, Grimaldi MG, Gulino A. Sb-Doped Titanium Oxide: A Rationale for Its Photocatalytic Activity for Environmental Remediation. ACS OMEGA 2018; 3:11270-11277. [PMID: 31459235 PMCID: PMC6645530 DOI: 10.1021/acsomega.8b01452] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Accepted: 09/05/2018] [Indexed: 05/12/2023]
Abstract
The problem of water purification is one of the most urgent issues in developing countries, where large infrastructures and energy resources are limited. Among the possibilities for a cheap route to clean water, photocatalytic materials in the form of coatings or nanostructures are among the most promising. The most widely studied photocatalytic material is titanium dioxide (TiO2). Here, we investigate the photocatalytic properties of 1.5% Sb-doped TiO2 and laser-irradiated Sb-doped TiO x . Calcined Sb-doped TiO2 was found to adopt the rutile structure, but it turned amorphous after laser irradiation. Photocatalytic tests for Sb-doped TiO2 showed an activity 1 order of magnitude higher than that of an undoped TiO2 control sample under both ultraviolet and visible irradiation. A further sizeable enhancement resulted from laser irradiation. The increased photocatalytic activity is ascribed to both enhanced visible region absorption associated with Sb-induced lone pair surface electronic states and trapping of the holes at the lone pair surface sites, thus inhibiting the recombination of the electrons and holes generated in the initial photoexcitation step. This study shows the first rationalization of the photocatalytic properties of Sb-TiO2 in terms of its electronic structure.
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Affiliation(s)
| | | | - Luca Spitaleri
- Dipartimento
di Scienze Chimiche and INSTM, UdR of Catania, Viale Andrea Doria 6, 95123 Catania, Italy
| | - Russell G. Egdell
- Department
of Chemistry, Inorganic Chemistry Laboratory, University of Oxford, South Parks Road, Oxford OX1 3QR, U.K.
| | - Maria Grazia Grimaldi
- CNR-IMM,
and Dipartimento di Fisica e Astronomia, Università di Catania, via S. Sofia 64, 95123 Catania, Italy
| | - Antonino Gulino
- Dipartimento
di Scienze Chimiche and INSTM, UdR of Catania, Viale Andrea Doria 6, 95123 Catania, Italy
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324
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Zhang D, Choi W, Yazawa K, Numata K, Tateishi A, Cho SH, Lin HP, Li YK, Ito Y, Sugioka K. Two Birds with One Stone: Spontaneous Size Separation and Growth Inhibition of Femtosecond Laser-Generated Surfactant-Free Metallic Nanoparticles via ex Situ SU-8 Functionalization. ACS OMEGA 2018; 3:10953-10966. [PMID: 31459206 PMCID: PMC6645095 DOI: 10.1021/acsomega.8b01250] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Accepted: 08/20/2018] [Indexed: 06/10/2023]
Abstract
Laser ablation in liquids (LAL) offers a facile technique to develop a large variety of surfactant-free nanomaterials with high purity. However, due to the difficulty in the control of the particle synthesis process, the as-prepared nanomaterials always have a broad size distribution with a large polydispersity (σ). Surfactant-free properties can also cause problems with particle growth, which further increases the difficulty in size control of the colloids. Therefore, searching for strategies to simultaneously unify the sizes of colloids and inhibit particle growth has become significantly important for LAL-synthesized nanomaterials to be extensively used for biological, catalytic, and optical applications, in which fields particle size plays an important role. In this work, we present a facile way to simultaneously realize these two goals by ex situ SU-8 photoresist functionalization. Ag nanoparticles (NPs) synthesized by femtosecond laser ablation of silver in acetone at laser powers of 300 and 600 mW were used as starting materials. The synthesized Ag NPs have a broad size distribution between 1 and 200 nm with an average size of ca. 5.9 nm and σ of 127-207%. After ex situ SU-8 functionalization and 6 months storage, most particles larger than 10 nm become aggregates and precipitate, which makes the size distribution narrow with an average diameter of 4-5 nm and σ of 48-78%. The precipitation process is accompanied by the decrease in colloid mass from the initial ∼0.2 to 0.10-0.11 mg after ex situ SU-8 functionalization and 6 months colloid storage. Morphology analysis indicates that ex situ SU-8 functionalization inhibits the particle growth into polygonal nanocrystals. Radical polymerization of SU-8 on Ag NPs is considered to be the reason for both spontaneous size separation and growth inhibition phenomena. Benefiting from Ag NPs embedment and acetone dissolution, the glass-transition temperature of SU-8 photoresist increased from 314 to 331 °C according to thermogravimetric analysis. The universality of ex situ SU-8 functionalization-induced growth inhibition and size separation behaviors is further proved using the Au colloids generated by LAL in acetone. This work is expected to provide a new route for better size control of LAL-synthesized colloids via ex situ photoresist functionalization, although a half of colloidal mass is wasted due to radical polymerization-induced colloidal precipitation.
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Affiliation(s)
- Dongshi Zhang
- RIKEN
Center for Advanced Photonics, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Wonsuk Choi
- RIKEN
Center for Advanced Photonics, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
- Department
of Nano-Mechatronics, Korea University of
Science and Technology (UST), 217 Gajeong-ro, Yuseong-gu, Daejeon 34113, Korea South Korea
- Department of Nano-Manufacturing Technology and Department of
Laser & Electron
Beam Application, Korea Institute of Machinery
and Material (KIMM), 156 Gajeongbuk-ro, Yuseong-gu, Daejeon 34103, Republic of Korea
| | - Kenjiro Yazawa
- Biomacromolecules
Research Team, RIKEN Center for Sustainable
Resource Science, 2-1
Hirosawa, Wako, Saitama 351-0198 Japan
| | - Keiji Numata
- Biomacromolecules
Research Team, RIKEN Center for Sustainable
Resource Science, 2-1
Hirosawa, Wako, Saitama 351-0198 Japan
| | - Ayaka Tateishi
- Biomacromolecules
Research Team, RIKEN Center for Sustainable
Resource Science, 2-1
Hirosawa, Wako, Saitama 351-0198 Japan
| | - Sung-Hak Cho
- Department
of Nano-Mechatronics, Korea University of
Science and Technology (UST), 217 Gajeong-ro, Yuseong-gu, Daejeon 34113, Korea South Korea
- Department of Nano-Manufacturing Technology and Department of
Laser & Electron
Beam Application, Korea Institute of Machinery
and Material (KIMM), 156 Gajeongbuk-ro, Yuseong-gu, Daejeon 34103, Republic of Korea
| | - Hsiu-Pen Lin
- Emergent
Bioengineering Materials Research Team, RIKEN Center for Emergent Matter Science, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
- Department
of Applied Chemistry, National Chiao Tung
University, Science Building 2, 1001 Ta Hsueh Road, Hsinchu, Taiwan 300, ROC
| | - Yaw Kuen Li
- Department
of Applied Chemistry, National Chiao Tung
University, Science Building 2, 1001 Ta Hsueh Road, Hsinchu, Taiwan 300, ROC
| | - Yoshihiro Ito
- Emergent
Bioengineering Materials Research Team, RIKEN Center for Emergent Matter Science, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
- Nano
Medical Engineering Laboratory, RIKEN Cluster
for Pioneering Research, 2-1 Hirosawa, Wako, Saitama 351-0193, Japan
| | - Koji Sugioka
- RIKEN
Center for Advanced Photonics, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
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325
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Quinson J, Simonsen SB, Kuhn LT, Kunz S, Arenz M. Size effect studies in catalysis: a simple surfactant-free synthesis of sub 3 nm Pd nanocatalysts supported on carbon. RSC Adv 2018; 8:33794-33797. [PMID: 35548825 PMCID: PMC9086745 DOI: 10.1039/c8ra06912c] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2018] [Accepted: 09/26/2018] [Indexed: 11/21/2022] Open
Abstract
Supported Pd nanoparticles are prepared under ambient conditions via a surfactant-free synthesis. Pd(NO3)2 is reduced in the presence of a carbon support in alkaline methanol to obtain sub 3 nm nanoparticles. The preparation method is relevant to the study of size effects in catalytic reactions like ethanol electro-oxidation. A simple surfactant-free synthesis of sub 3 nm carbon-supported Pd nanocatalysts is introduced to study size effects in catalysis.![]()
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Affiliation(s)
- Jonathan Quinson
- Department of Chemistry, University of Copenhagen Universitetsparken 5 2100 Copenhagen Ø Denmark
| | - Søren B Simonsen
- Department of Energy Conversion and Storage, Technical University of Denmark Frederiksborgvej 399 4000 Roskilde Denmark
| | - Luise Theil Kuhn
- Department of Energy Conversion and Storage, Technical University of Denmark Frederiksborgvej 399 4000 Roskilde Denmark
| | - Sebastian Kunz
- Institute for Applied and Physical Chemistry, University of Bremen Leobenerstraße 28359 Bremen Germany
| | - Matthias Arenz
- Department of Chemistry and Biochemistry, University of Bern Freiestrasse 3 CH-3012 Bern Switzerland
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326
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Davodi F, Mühlhausen E, Tavakkoli M, Sainio J, Jiang H, Gökce B, Marzun G, Kallio T. Catalyst Support Effect on the Activity and Durability of Magnetic Nanoparticles: toward Design of Advanced Electrocatalyst for Full Water Splitting. ACS APPLIED MATERIALS & INTERFACES 2018; 10:31300-31311. [PMID: 30113811 PMCID: PMC6150642 DOI: 10.1021/acsami.8b08830] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Accepted: 08/16/2018] [Indexed: 06/08/2023]
Abstract
Earth-abundant element-based inorganic-organic hybrid materials are attractive alternatives for electrocatalyzing energy conversion reactions. Such material structures do not only increase the surface area and stability of metal nanoparticles (NPs) but also modify the electrocatalytic performance. Here, we introduce, for the first time, multiwall carbon nanotubes (MWNTs) functionalized with nitrogen-rich emeraldine salt (ES) (denoted as ES-MWNT) as a promising catalyst support to boost the electrocatalytic activity of magnetic maghemite (γ-Fe2O3) NPs. The latter component has been synthesized by a simple and upscalable one-step pulsed laser ablation method on Ni core forming the core-shell Ni@γ-Fe2O3 NPs. The catalyst (Ni@γ-Fe2O3/ES-MWNT) is formed via self-assembly as strong interaction between ES-MWNT and Ni@γ-Fe2O3 results in NPs' encapsulation in a thin C-N shell. We further show that Ni does not directly function as an active site in the electrocatalyst but it has a crucial role in synthesizing the maghemite shell. The strong interaction between the NPs and the support improves notably the NPs' catalytic activity toward oxygen evolution reaction (OER) in terms of both onset potential and current density, ranking it among the most active catalysts reported so far. Furthermore, this material shows a superior durability to most of the current excellent OER electrocatalysts as the activity, and the structure, remains almost intact after 5000 OER stability cycles. On further characterization, the same trend has been observed for hydrogen evolution reaction, the other half-reaction of water splitting.
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Affiliation(s)
- Fatemeh Davodi
- Electrochemical
Energy Conversion Group, Department of Chemistry and Materials Science,
School of Chemical Engineering, Aalto University, P.O. Box 16100, FI-00076 Aalto, Finland
| | - Elisabeth Mühlhausen
- University
of Duisburg-Essen, Technical Chemistry I and Center for Nanointegration
Duisburg-Essen (CENIDE), Universitätsstr. 7, 45141 Essen, Germany
| | - Mohammad Tavakkoli
- Electrochemical
Energy Conversion Group, Department of Chemistry and Materials Science,
School of Chemical Engineering, Aalto University, P.O. Box 16100, FI-00076 Aalto, Finland
| | - Jani Sainio
- Department
of Applied Physics, School of Science, Aalto
University, P.O. Box 15100, FI 00076 Aalto, Finland
| | - Hua Jiang
- Department
of Applied Physics, School of Science, Aalto
University, P.O. Box 15100, FI 00076 Aalto, Finland
| | - Bilal Gökce
- University
of Duisburg-Essen, Technical Chemistry I and Center for Nanointegration
Duisburg-Essen (CENIDE), Universitätsstr. 7, 45141 Essen, Germany
| | - Galina Marzun
- University
of Duisburg-Essen, Technical Chemistry I and Center for Nanointegration
Duisburg-Essen (CENIDE), Universitätsstr. 7, 45141 Essen, Germany
| | - Tanja Kallio
- Electrochemical
Energy Conversion Group, Department of Chemistry and Materials Science,
School of Chemical Engineering, Aalto University, P.O. Box 16100, FI-00076 Aalto, Finland
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327
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Tymoczko A, Kamp M, Prymak O, Rehbock C, Jakobi J, Schürmann U, Kienle L, Barcikowski S. How the crystal structure and phase segregation of Au-Fe alloy nanoparticles are ruled by the molar fraction and size. NANOSCALE 2018; 10:16434-16437. [PMID: 30137113 DOI: 10.1039/c8nr03962c] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
The application of an Au-Fe nanoalloy is determined by its internal phase structure. Our experimental and theoretical findings explain how the prevalence of either a core-shell or a disordered solid solution structure is ruled by the target composition and the particle diameter. Furthermore, we found metastable phases not predefined by the bulk phase diagram.
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Affiliation(s)
- Anna Tymoczko
- Technical Chemistry I and Center for Nanointegration Duisburg-Essen (CENIDE), University Duisburg-Essen, Universitätstr. 7, 45141 Essen, Germany
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328
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Gökce B, Barcikowski S. Neue Nanokomposite für die additive Fertigung. CHEM-ING-TECH 2018. [DOI: 10.1002/cite.201855135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- B. Gökce
- Universität Duisburg-Essen; Technische Chemie; Universitätsstraße 7 45141 Essen Deutschland
| | - S. Barcikowski
- Universität Duisburg-Essen; Technische Chemie; Universitätsstraße 7 45141 Essen Deutschland
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329
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Machado T, Macedo NG, Assis M, Doñate-Buendia C, Mínguez-Vega G, Teixeira MM, Foggi CC, Vergani CE, Beltrán-Mir H, Andrés J, Cordoncillo E, Longo E. From Complex Inorganic Oxides to Ag-Bi Nanoalloy: Synthesis by Femtosecond Laser Irradiation. ACS OMEGA 2018; 3:9880-9887. [PMID: 31459116 PMCID: PMC6644639 DOI: 10.1021/acsomega.8b01264] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Accepted: 08/13/2018] [Indexed: 05/17/2023]
Abstract
Bimetallic nanoalloys with a wide variety of structures and compositions have been fabricated through many diverse techniques. Generally, various steps and chemicals are involved in their fabrication. In this study, the synthesis of Ag-Bi nanoalloys by femtosecond laser irradiation of an inorganic oxide Ag2WO4/NaBiO3 target without any chemicals like reducing agents or solvent is presented. The interaction between these materials and the ultrashort pulse of light allows the migration of Ag and Bi atoms from the crystal lattice to the particles surfaces and then to the plasma plume, where the reduction of the positively charged Ag and Bi species in their respective metallic species takes place. Subsequently, the controlled nucleation and growth of the Ag-Bi alloyed nanoparticles occurs in situ during the irradiation process in air. Although at the bulk level, these elements are highly immiscible, it was experimentally demonstrated that at nanoscale, the Ag-Bi nanoalloy can assume a randomly mixed structure with up to 6 ± 1 atom % of Bi solubilized into the face-centered cubic structure of Ag. Furthermore, the Ag-Bi binary system possesses high antibacterial activity against Staphylococcus aureus (methicillin-resistant and methicilin-susceptible), which is interesting for potential antimicrobial applications, consequently increasing their range of applicability. The present results provide potential insights into the structures formed by the Ag-Bi systems at the nanoscale and reveal a new processing method where complex inorganic oxides can be used as precursors for the controlled synthesis of alloyed bimetallic nanoparticles.
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Affiliation(s)
- Thales
R. Machado
- Departamento
de Química, CDMF, Universidade Federal
de São Carlos (UFSCar), São Carlos 13565-905, São Paulo, Brazil
| | - Nadia G. Macedo
- Departamento
de Química, CDMF, Universidade Federal
de São Carlos (UFSCar), São Carlos 13565-905, São Paulo, Brazil
| | - Marcelo Assis
- Departamento
de Química, CDMF, Universidade Federal
de São Carlos (UFSCar), São Carlos 13565-905, São Paulo, Brazil
| | - Carlos Doñate-Buendia
- Institut de Noves Tecnologies de la Imatge (INIT),
GROC, Departament
de Química
Inorgànica i Orgànica, and Departament de Química Física
i Analítica, Universitat Jaume I
(UJI), Castellón de la Plana 12071, Castelló, Spain
| | - Gladys Mínguez-Vega
- Institut de Noves Tecnologies de la Imatge (INIT),
GROC, Departament
de Química
Inorgànica i Orgànica, and Departament de Química Física
i Analítica, Universitat Jaume I
(UJI), Castellón de la Plana 12071, Castelló, Spain
| | - Mayara M. Teixeira
- Departamento
de Química, CDMF, Universidade Federal
de São Carlos (UFSCar), São Carlos 13565-905, São Paulo, Brazil
| | - Camila C. Foggi
- Departamento
de Química, CDMF, Universidade Federal
de São Carlos (UFSCar), São Carlos 13565-905, São Paulo, Brazil
| | - Carlos E. Vergani
- Faculdade
de Odontologia, Universidade Estadual Paulista
(UNESP), Araraquara 14801-385, São Paulo, Brazil
| | - Héctor Beltrán-Mir
- Institut de Noves Tecnologies de la Imatge (INIT),
GROC, Departament
de Química
Inorgànica i Orgànica, and Departament de Química Física
i Analítica, Universitat Jaume I
(UJI), Castellón de la Plana 12071, Castelló, Spain
| | - Juan Andrés
- Institut de Noves Tecnologies de la Imatge (INIT),
GROC, Departament
de Química
Inorgànica i Orgànica, and Departament de Química Física
i Analítica, Universitat Jaume I
(UJI), Castellón de la Plana 12071, Castelló, Spain
| | - Eloisa Cordoncillo
- Institut de Noves Tecnologies de la Imatge (INIT),
GROC, Departament
de Química
Inorgànica i Orgànica, and Departament de Química Física
i Analítica, Universitat Jaume I
(UJI), Castellón de la Plana 12071, Castelló, Spain
| | - Elson Longo
- Departamento
de Química, CDMF, Universidade Federal
de São Carlos (UFSCar), São Carlos 13565-905, São Paulo, Brazil
- E-mail:
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330
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Magnetic Fe@FeO x, Fe@C and α-Fe₂O₃ Single-Crystal Nanoblends Synthesized by Femtosecond Laser Ablation of Fe in Acetone. NANOMATERIALS 2018; 8:nano8080631. [PMID: 30127303 PMCID: PMC6116272 DOI: 10.3390/nano8080631] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Revised: 08/17/2018] [Accepted: 08/18/2018] [Indexed: 11/17/2022]
Abstract
There are few reports on zero-field-cooled (ZFC) magnetization measurements for Fe@FeOx or FeOx particles synthesized by laser ablation in liquids (LAL) of Fe, and the minimum blocking temperature (TB) of 120 K reported so far is still much higher than those of their counterparts synthesized by chemical methods. In this work, the minimum blocking temperature was lowered to 52 K for 4⁻5 nm α-Fe₂O₃ particles synthesized by femtosecond laser ablation of Fe in acetone. The effective magnetic anisotropy energy density (Keff) is calculated to be 2.7⁻5.4 × 10⁵ J/m³, further extending the Keff values for smaller hematite particles synthesized by different methods. Large amorphous-Fe@α-Fe₂O₃ and amorphous-Fe@C particles of 10⁻100 nm in diameter display a soft magnetic behavior with saturation magnetization (Ms) and coercivities (Hc) values of 72.5 emu/g and 160 Oe at 5 K and 61.9 emu/g and 70 Oe at 300 K, respectively, which mainly stem from the magnetism of amorphous Fe cores. Generally, the nanoparticles obtained by LAL are either amorphous or polycrystalline, seldom in a single-crystalline state. This work also demonstrates the possibility of synthesizing single-crystalline α-Fe₂O₃ hematite crystals of several nanometers with (104), (113), (116) or (214) crystallographic orientations, which were produced simultaneously with other products including carbon encapsulated amorphous Fe (a-Fe@C) and Fe@FeOx core-shell particles by LAL in one step. Finally, the formation mechanisms for these nanomaterials are proposed and the key factors in series events of LAL are discussed.
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331
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Moram SS, Byram C, Shibu SN, Chilukamarri BM, Soma VR. Ag/Au Nanoparticle-Loaded Paper-Based Versatile Surface-Enhanced Raman Spectroscopy Substrates for Multiple Explosives Detection. ACS OMEGA 2018; 3:8190-8201. [PMID: 31458956 PMCID: PMC6644453 DOI: 10.1021/acsomega.8b01318] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Accepted: 07/11/2018] [Indexed: 05/24/2023]
Abstract
We present a systematic study on the fabrication, characterization of versatile, and low-cost filter paper-based surface-enhanced Raman spectroscopy (SERS) substrates loaded with salt-induced aggregated Ag/Au nanoparticles (NPs). These were demonstrated as efficient SERS substrates for the detection of multiple explosive molecules such as picric acid (5 μM), 2,4-dinitrotoluene (1 μM), and 3-nitro-1,2,4-triazol-5-one (10 μM) along with a common dye molecule (methylene blue, 5 nM). The concentrations of the dye and explosive molecules in terms of mass represent 31.98 pg, 11.45 ng, 1.82 ng, and 13.06 ng, respectively. Silver (Ag) and gold (Au) colloidal NPs were prepared by femtosecond laser (∼50 fs, 800 nm, 1 kHz) ablation of Ag/Au-target immersed in distilled water. Subsequently, the aggregated nanoparticles were achieved by mixing the pure Ag and Au NPs with different concentrations of NaCl. These aggregated NPs were characterized by UV-visible absorption and high-resolution transmission electron microscopy techniques. The SERS substrates were prepared by soaking the filter paper in aggregated NPs. The morphologies of the paper substrates were investigated using field-emission scanning electron microscopy technique. We have achieved superior enhancements with high reproducibility and sensitivity for filter paper substrates loaded with Ag/Au NPs mixed for an optimum concentration of 50 mM NaCl.
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332
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Sportelli MC, Izzi M, Volpe A, Clemente M, Picca RA, Ancona A, Lugarà PM, Palazzo G, Cioffi N. The Pros and Cons of the Use of Laser Ablation Synthesis for the Production of Silver Nano-Antimicrobials. Antibiotics (Basel) 2018; 7:E67. [PMID: 30060553 PMCID: PMC6164857 DOI: 10.3390/antibiotics7030067] [Citation(s) in RCA: 80] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Revised: 07/23/2018] [Accepted: 07/27/2018] [Indexed: 12/13/2022] Open
Abstract
Silver nanoparticles (AgNPs) are well-known for their antimicrobial effects and several groups are proposing them as active agents to fight antimicrobial resistance. A wide variety of methods is available for nanoparticle synthesis, affording a broad spectrum of chemical and physical properties. In this work, we report on AgNPs produced by laser ablation synthesis in solution (LASiS), discussing the major features of this approach. Laser ablation synthesis is one of the best candidates, as compared to wet-chemical syntheses, for preparing Ag nano-antimicrobials. In fact, this method allows the preparation of stable Ag colloids in pure solvents without using either capping and stabilizing agents or reductants. LASiS produces AgNPs, which can be more suitable for medical and food-related applications where it is important to use non-toxic chemicals and materials for humans. In addition, laser ablation allows for achieving nanoparticles with different properties according to experimental laser parameters, thus influencing antibacterial mechanisms. However, the concentration obtained by laser-generated AgNP colloids is often low, and it is hard to implement them on an industrial scale. To obtain interesting concentrations for final applications, it is necessary to exploit high-energy lasers, which are quite expensive. In this review, we discuss the pros and cons of the use of laser ablation synthesis for the production of Ag antimicrobial colloids, taking into account applications in the food packaging field.
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Affiliation(s)
- Maria Chiara Sportelli
- Dipartimento di Chimica, Università degli Studi di Bari "Aldo Moro", via E. Orabona 4, 70126 Bari, Italy.
- Institute of Photonics and nanotechnology-National Research Council (IFN-CNR), Physics Department "M. Merlin", Bari, Italy, via Amendola 173, 70126 Bari, Italy.
| | - Margherita Izzi
- Dipartimento di Chimica, Università degli Studi di Bari "Aldo Moro", via E. Orabona 4, 70126 Bari, Italy.
| | - Annalisa Volpe
- Institute of Photonics and nanotechnology-National Research Council (IFN-CNR), Physics Department "M. Merlin", Bari, Italy, via Amendola 173, 70126 Bari, Italy.
| | - Maurizio Clemente
- Dipartimento di Chimica, Università degli Studi di Bari "Aldo Moro", via E. Orabona 4, 70126 Bari, Italy.
| | - Rosaria Anna Picca
- Dipartimento di Chimica, Università degli Studi di Bari "Aldo Moro", via E. Orabona 4, 70126 Bari, Italy.
| | - Antonio Ancona
- Institute of Photonics and nanotechnology-National Research Council (IFN-CNR), Physics Department "M. Merlin", Bari, Italy, via Amendola 173, 70126 Bari, Italy.
| | - Pietro Mario Lugarà
- Institute of Photonics and nanotechnology-National Research Council (IFN-CNR), Physics Department "M. Merlin", Bari, Italy, via Amendola 173, 70126 Bari, Italy.
| | - Gerardo Palazzo
- Dipartimento di Chimica, Università degli Studi di Bari "Aldo Moro", via E. Orabona 4, 70126 Bari, Italy.
| | - Nicola Cioffi
- Dipartimento di Chimica, Università degli Studi di Bari "Aldo Moro", via E. Orabona 4, 70126 Bari, Italy.
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333
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Okamoto T, Nakamura T, Kihara R, Asahi T, Sakota K, Yatsuhashi T. Synthesis of Bare Iron Nanoparticles from Ferrocene Hexane Solution by Femtosecond Laser Pulses. Chemphyschem 2018; 19:2480-2485. [DOI: 10.1002/cphc.201800436] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Indexed: 11/08/2022]
Affiliation(s)
- Takuya Okamoto
- Graduate School of Science; Osaka City University 3-3-138 Sugimoto, Sumiyoshi-ku; Osaka 558-8585 Japan
| | - Takahiro Nakamura
- Institute of Multidisciplinary Research for Advanced Materials; Tohoku University 2-1-1 Katahira, Aoba-ku; Sendai 980-857 Japan
| | - Ryo Kihara
- Graduate School of Science and Engineering; Ehime University 3 Bunkyo-cho; Matsuyama 790-8577 Japan
| | - Tsuyoshi Asahi
- Graduate School of Science and Engineering; Ehime University 3 Bunkyo-cho; Matsuyama 790-8577 Japan
| | - Kenji Sakota
- Graduate School of Science; Osaka City University 3-3-138 Sugimoto, Sumiyoshi-ku; Osaka 558-8585 Japan
| | - Tomoyuki Yatsuhashi
- Graduate School of Science; Osaka City University 3-3-138 Sugimoto, Sumiyoshi-ku; Osaka 558-8585 Japan
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334
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Komiyama M, Mori T, Ariga K. Molecular Imprinting: Materials Nanoarchitectonics with Molecular Information. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2018. [DOI: 10.1246/bcsj.20180084] [Citation(s) in RCA: 161] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Makoto Komiyama
- WPI-MANA, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
- Life Science Center of Tsukuba Advanced Research Alliance, University of Tsukuba, 1-1-1 Ten-noudai, Tsukuba, Ibaraki 305-8577, Japan
- College of Food Science and Engineering, Ocean University of China, Qingdao 266003, P. R. China
| | - Taizo Mori
- WPI-MANA, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Katsuhiko Ariga
- WPI-MANA, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
- Department of Advanced Materials Science, Graduate School of Frontier Sciences, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8561, Japan
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335
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Spontaneous Shape Alteration and Size Separation of Surfactant-Free Silver Particles Synthesized by Laser Ablation in Acetone during Long-Period Storage. NANOMATERIALS 2018; 8:nano8070529. [PMID: 30011881 PMCID: PMC6071058 DOI: 10.3390/nano8070529] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Accepted: 07/11/2018] [Indexed: 02/07/2023]
Abstract
The technique of laser ablation in liquids (LAL) has already demonstrated its flexibility and capability for the synthesis of a large variety of surfactant-free nanomaterials with a high purity. However, high purity can cause trouble for nanomaterial synthesis, because active high-purity particles can spontaneously grow into different nanocrystals, which makes it difficult to accurately tailor the size and shape of the synthesized nanomaterials. Therefore, a series of questions arise with regards to whether particle growth occurs during colloid storage, how large the particle size increases to, and into which shape the particles evolve. To obtain answers to these questions, here, Ag particles that are synthesized by femtosecond (fs) laser ablation of Ag in acetone are used as precursors to witness the spontaneous growth behavior of the LAL-generated surfactant-free Ag dots (2–10 nm) into different polygonal particles (5–50 nm), and the spontaneous size separation phenomenon by the carbon-encapsulation induced precipitation of large particles, after six months of colloid storage. The colloids obtained by LAL at a higher power (600 mW) possess a greater ability and higher efficiency to yield colloids with sizes of <40 nm than the colloids obtained at lower power (300 mW), because of the generation of a larger amount of carbon ‘captors’ by the decomposition of acetone and the stronger particle fragmentation. Both the size increase and the shape alteration lead to a redshift of the surface plasmon resonance (SPR) band of the Ag colloid from 404 nm to 414 nm, after storage. The Fourier transform infrared spectroscopy (FTIR) analysis shows that the Ag particles are conjugated with COO– and OH– groups, both of which may lead to the growth of polygonal particles. The CO and CO2 molecules are adsorbed on the particle surfaces to form Ag(CO)x and Ag(CO2)x complexes. Complementary nanosecond LAL experiments confirmed that the particle growth was inherent to LAL in acetone, and independent of pulse duration, although some differences in the final particle sizes were observed. The nanosecond-LAL yields monomodal colloids, whereas the size-separated, initially bimodal colloids from the fs-LAL provide a higher fraction of very small particles that are <5 nm. The spontaneous growth of the LAL-generated metallic particles presented in this work should arouse the special attention of academia, especially regarding the detailed discussion on how long the colloids can be preserved for particle characterization and applications, without causing a mismatch between the colloid properties and their performance. The spontaneous size separation phenomenon may help researchers to realize a more reproducible synthesis for small metallic colloids, without concern for the generation of large particles.
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336
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Yu Y, Yan L, Yue M, Xu H. Femtosecond laser-assisted synthesis of silver nanoparticles and reduced graphene oxide hybrid for optical limiting. ROYAL SOCIETY OPEN SCIENCE 2018; 5:171436. [PMID: 30109038 PMCID: PMC6083672 DOI: 10.1098/rsos.171436] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/24/2017] [Accepted: 05/30/2018] [Indexed: 06/08/2023]
Abstract
Reduced graphene oxide (rGO) functionalized with silver nanoparticles (Ag NPs) is prepared using a femtosecond laser ablation in liquids method. By ablating the mixed aqueous solutions of silver nitrate and graphene oxide (GO) using femtosecond laser pulses, Ag ions and GO are simultaneously reduced and well-dispersed Ag NPs supported on rGO are obtained. The effect of laser power, irritation time and Ag ion concentration on the optical property and morphology of the products are systematically studied. The nonlinear optical responses of the functionalized graphene are studied using a nanosecond Z-scan technique. The rGO hybrid shows an enhanced nonlinear absorption (NLA) effect compared with GO and rGO, and thus exhibits an excellent optical limiting (OL) property with very low activating threshold, which is estimated to be about 0.38 J cm-2. The enhanced NLA effect in rGO hybrids makes it possible to fabricate solid-state optical limiter, improving the practicality of graphene materials in the OL area.
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Affiliation(s)
| | - Lihe Yan
- Author for correspondence: Lihe Yan e-mail:
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337
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Kögler M, Ryabchikov YV, Uusitalo S, Popov A, Popov A, Tselikov G, Välimaa AL, Al-Kattan A, Hiltunen J, Laitinen R, Neubauer P, Meglinski I, Kabashin AV. Bare laser-synthesized Au-based nanoparticles as nondisturbing surface-enhanced Raman scattering probes for bacteria identification. JOURNAL OF BIOPHOTONICS 2018; 11:e201700225. [PMID: 29388744 DOI: 10.1002/jbio.201700225] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2017] [Revised: 01/28/2018] [Accepted: 01/29/2018] [Indexed: 06/07/2023]
Abstract
The ability of noble metal-based nanoparticles (NPs) (Au, Ag) to drastically enhance Raman scattering from molecules placed near metal surface, termed as surface-enhanced Raman scattering (SERS), is widely used for identification of trace amounts of biological materials in biomedical, food safety and security applications. However, conventional NPs synthesized by colloidal chemistry are typically contaminated by nonbiocompatible by-products (surfactants, anions), which can have negative impacts on many live objects under examination (cells, bacteria) and thus decrease the precision of bioidentification. In this article, we explore novel ultrapure laser-synthesized Au-based nanomaterials, including Au NPs and AuSi hybrid nanostructures, as mobile SERS probes in tasks of bacteria detection. We show that these Au-based nanomaterials can efficiently enhance Raman signals from model R6G molecules, while the enhancement factor depends on the content of Au in NP composition. Profiting from the observed enhancement and purity of laser-synthesized nanomaterials, we demonstrate successful identification of 2 types of bacteria (Listeria innocua and Escherichia coli). The obtained results promise less disturbing studies of biological systems based on good biocompatibility of contamination-free laser-synthesized nanomaterials.
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Affiliation(s)
- Martin Kögler
- Drug Research Program, Division of Pharmaceutical Biosciences, Centre for Drug Research, University of Helsinki, Helsinki, Finland
- Chair of Bioprocess Engineering, Institute of Biotechnology, Technische Universität Berlin, Berlin, Germany
| | - Yury V Ryabchikov
- Aix-Marseille Univ, CNRS, Marseille, France
- P.N. Lebedev Physical Institute of Russian Academy of Sciences, Moscow, Russia
| | - Sanna Uusitalo
- VTT - Technical Research Centre of Finland, Oulu, Finland
| | - Alexey Popov
- Optoelectronics and Measurement Techniques, Faculty of Information Technology and Electrical Engineering, University of Oulu, Oulu, Finland
- ITMO University, St. Petersburg, Russia
| | | | | | - Anna-Liisa Välimaa
- National Resources Institute Finland (LUKE), Bio-based Business and Industry, University of Oulu, Oulu, Finland
| | | | - Jussi Hiltunen
- VTT - Technical Research Centre of Finland, Oulu, Finland
| | - Riitta Laitinen
- Natural Research Institute Finland (LUKE), Bio-based Business and Industry, Turku, Finland
| | - Peter Neubauer
- Chair of Bioprocess Engineering, Institute of Biotechnology, Technische Universität Berlin, Berlin, Germany
| | - Igor Meglinski
- Optoelectronics and Measurement Techniques, Faculty of Information Technology and Electrical Engineering, University of Oulu, Oulu, Finland
- ITMO University, St. Petersburg, Russia
- National Research Nuclear University "MEPhI", Institute of Engineering Physics for Biomedicine (PhysBio), Moscow, Russia
| | - Andrei V Kabashin
- Aix-Marseille Univ, CNRS, Marseille, France
- National Research Nuclear University "MEPhI", Institute of Engineering Physics for Biomedicine (PhysBio), Moscow, Russia
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338
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Bao H, Zhang H, Zhou L, Fu H, Liu G, Li Y, Cai W. Large Area α-Cu 2S Particle-Stacked Nanorod Arrays by Laser Ablation in Liquid and Their Strong Structurally Enhanced and Stable Visible Photoelectric Performances. ACS APPLIED MATERIALS & INTERFACES 2018; 10:19027-19036. [PMID: 29767499 DOI: 10.1021/acsami.8b03520] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
A flexible route is developed for fabrication of large area α-Cu2S nanorod arrays (NRAs) on the basis of one-step laser ablation of a copper foil in CS2 liquid. It has been demonstrated that the obtained products are the high-temperature phase α-Cu2S and consist of the nanorods vertically standing on the Cu foil, exhibiting the array. The nanorods were about 1 μm in length and around 100 nm in thickness and built by stacking the nearly spherical and ⟨110⟩-oriented nanoparticles (NPs) up. Such array can be peeled off from the foil and remain freestanding. Further, it has been found that the ablation duration, the laser power, and the foil surface state are crucial to the formation of the Cu2S NRA. The formation of such oriented NP-stacked Cu2S NRAs is attributed to the laser-induced generation of α-Cu2S NPs and the NPs' deposition/oriented connection growth on the surface-vulcanized copper foil. Importantly, the visible photocurrent response of the α-Cu2S NRAs is 8 times higher than that of the Cu2S NPs' film with the equivalent thickness and also larger than that of previously reported Cu2S, showing significantly enhanced photoelectric performances. As an application, such NRAs have exhibited markedly enhanced visible photocatalytic activity and highly stable recycling performances, compared with the α-Cu2S NPs. Further studies have revealed that the enhanced performances are attributed to the structurally enhanced light trapping effect of the NRAs as well as short and smooth carrier diffusion path in the oriented NP-stacked nanorods. This work provides a new and simple method for fabrication of the large area Cu2S NRAs with high and stable photoelectric performances.
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Affiliation(s)
- Haoming Bao
- Key Lab of Materials Physics, Anhui Key Lab of Nanomaterials and Nanotechnology, Institute of Solid State Physics , Chinese Academy of Sciences , Hefei 230031 , P. R. China
- University of Science and Technology of China , Hefei 230026 , P. R. China
| | - Hongwen Zhang
- Key Lab of Materials Physics, Anhui Key Lab of Nanomaterials and Nanotechnology, Institute of Solid State Physics , Chinese Academy of Sciences , Hefei 230031 , P. R. China
| | - Le Zhou
- Key Lab of Materials Physics, Anhui Key Lab of Nanomaterials and Nanotechnology, Institute of Solid State Physics , Chinese Academy of Sciences , Hefei 230031 , P. R. China
- University of Science and Technology of China , Hefei 230026 , P. R. China
| | - Hao Fu
- Key Lab of Materials Physics, Anhui Key Lab of Nanomaterials and Nanotechnology, Institute of Solid State Physics , Chinese Academy of Sciences , Hefei 230031 , P. R. China
- University of Science and Technology of China , Hefei 230026 , P. R. China
| | - Guangqiang Liu
- Key Lab of Materials Physics, Anhui Key Lab of Nanomaterials and Nanotechnology, Institute of Solid State Physics , Chinese Academy of Sciences , Hefei 230031 , P. R. China
| | - Yue Li
- Key Lab of Materials Physics, Anhui Key Lab of Nanomaterials and Nanotechnology, Institute of Solid State Physics , Chinese Academy of Sciences , Hefei 230031 , P. R. China
| | - Weiping Cai
- Key Lab of Materials Physics, Anhui Key Lab of Nanomaterials and Nanotechnology, Institute of Solid State Physics , Chinese Academy of Sciences , Hefei 230031 , P. R. China
- University of Science and Technology of China , Hefei 230026 , P. R. China
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339
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Wirtz SF, Cunha APA, Labusch M, Marzun G, Barcikowski S, Söffker D. Development of A Low-Cost FPGA-Based Measurement System for Real-Time Processing of Acoustic Emission Data: Proof of Concept Using Control of Pulsed Laser Ablation in Liquids. SENSORS 2018; 18:s18061775. [PMID: 29865158 PMCID: PMC6022055 DOI: 10.3390/s18061775] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/15/2018] [Revised: 05/23/2018] [Accepted: 05/29/2018] [Indexed: 11/16/2022]
Abstract
Today, the demand for continuous monitoring of valuable or safety critical equipment is increasing in many industrial applications due to safety and economical requirements. Therefore, reliable in-situ measurement techniques are required for instance in Structural Health Monitoring (SHM) as well as process monitoring and control. Here, current challenges are related to the processing of sensor data with a high data rate and low latency. In particular, measurement and analyses of Acoustic Emission (AE) are widely used for passive, in-situ inspection. Advantages of AE are related to its sensitivity to different micro-mechanical mechanisms on the material level. However, online processing of AE waveforms is computationally demanding. The related equipment is typically bulky, expensive, and not well suited for permanent installation. The contribution of this paper is the development of a Field Programmable Gate Array (FPGA)-based measurement system using ZedBoard devlopment kit with Zynq-7000 system on chip for embedded implementation of suitable online processing algorithms. This platform comprises a dual-core Advanced Reduced Instruction Set Computer Machine (ARM) architecture running a Linux operating system and FPGA fabric. A FPGA-based hardware implementation of the discrete wavelet transform is realized to accelerate processing the AE measurements. Key features of the system are low cost, small form factor, and low energy consumption, which makes it suitable to serve as field-deployed measurement and control device. For verification of the functionality, a novel automatically realized adjustment of the working distance during pulsed laser ablation in liquids is established as an example. A sample rate of 5 MHz is achieved at 16 bit resolution.
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Affiliation(s)
- Sebastian F Wirtz
- Chair of Dynamics and Control, University of Duisburg-Essen, 47057 Duisburg, Germany.
| | - Adauto P A Cunha
- Chair of Dynamics and Control, University of Duisburg-Essen, 47057 Duisburg, Germany.
| | - Marc Labusch
- Center for Nanointegration Duisburg-Essen (CENIDE), Nano Energy Technic Center (NETZ), Technical Chemistry I, University of Duisburg-Essen, 47057 Duisburg, Germany.
- Institute for Coatings and Surface Chemistry (ILOC), Hochschule Niederrhein University of Applied Sciences, 47798 Krefeld, Germany.
| | - Galina Marzun
- Center for Nanointegration Duisburg-Essen (CENIDE), Nano Energy Technic Center (NETZ), Technical Chemistry I, University of Duisburg-Essen, 47057 Duisburg, Germany.
| | - Stephan Barcikowski
- Center for Nanointegration Duisburg-Essen (CENIDE), Nano Energy Technic Center (NETZ), Technical Chemistry I, University of Duisburg-Essen, 47057 Duisburg, Germany.
| | - Dirk Söffker
- Chair of Dynamics and Control, University of Duisburg-Essen, 47057 Duisburg, Germany.
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340
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Saraeva IN, Luong NV, Kudryashov SI, Rudenko AA, Khmelnitskiy RA, Shakhmin AL, Kharin AY, Ionin AA, Zayarny DA, Tung DH, Duong PV, Minh PH. Laser synthesis of colloidal Si@Au and Si@Ag nanoparticles in water via plasma-assisted reduction. J Photochem Photobiol A Chem 2018. [DOI: 10.1016/j.jphotochem.2018.04.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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341
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Al-Kattan A, Nirwan VP, Popov A, Ryabchikov YV, Tselikov G, Sentis M, Fahmi A, Kabashin AV. Recent Advances in Laser-Ablative Synthesis of Bare Au and Si Nanoparticles and Assessment of Their Prospects for Tissue Engineering Applications. Int J Mol Sci 2018; 19:E1563. [PMID: 29794976 PMCID: PMC6032194 DOI: 10.3390/ijms19061563] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Revised: 05/15/2018] [Accepted: 05/18/2018] [Indexed: 02/06/2023] Open
Abstract
Driven by surface cleanness and unique physical, optical and chemical properties, bare (ligand-free) laser-synthesized nanoparticles (NPs) are now in the focus of interest as promising materials for the development of advanced biomedical platforms related to biosensing, bioimaging and therapeutic drug delivery. We recently achieved significant progress in the synthesis of bare gold (Au) and silicon (Si) NPs and their testing in biomedical tasks, including cancer imaging and therapy, biofuel cells, etc. We also showed that these nanomaterials can be excellent candidates for tissue engineering applications. This review is aimed at the description of our recent progress in laser synthesis of bare Si and Au NPs and their testing as functional modules (additives) in innovative scaffold platforms intended for tissue engineering tasks.
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Affiliation(s)
- Ahmed Al-Kattan
- Aix Marseille University, CNRS, LP3, 13288 Marseille, France.
| | - Viraj P Nirwan
- Aix Marseille University, CNRS, LP3, 13288 Marseille, France.
- Faculty of Technology and Bionics, Rhin-waal University of Applied Science, Marie-Curie-Straβe 1, 47533 Kleve, Germany.
| | - Anton Popov
- Aix Marseille University, CNRS, LP3, 13288 Marseille, France.
| | - Yury V Ryabchikov
- Aix Marseille University, CNRS, LP3, 13288 Marseille, France.
- P.N. Lebedev Physical Institute of Russian Academy of Sciences, 53 Leninskii Prospekt, 199991 Moscow, Russia.
| | - Gleb Tselikov
- Aix Marseille University, CNRS, LP3, 13288 Marseille, France.
| | - Marc Sentis
- Aix Marseille University, CNRS, LP3, 13288 Marseille, France.
- MEPhI, Institute of Engineering Physics for Biomedicine (PhysBio), 115409 Moscow, Russia.
| | - Amir Fahmi
- Faculty of Technology and Bionics, Rhin-waal University of Applied Science, Marie-Curie-Straβe 1, 47533 Kleve, Germany.
| | - Andrei V Kabashin
- Aix Marseille University, CNRS, LP3, 13288 Marseille, France.
- MEPhI, Institute of Engineering Physics for Biomedicine (PhysBio), 115409 Moscow, Russia.
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342
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Calabro RL, Yang DS, Kim DY. Liquid-phase laser ablation synthesis of graphene quantum dots from carbon nano-onions: Comparison with chemical oxidation. J Colloid Interface Sci 2018; 527:132-140. [PMID: 29787949 DOI: 10.1016/j.jcis.2018.04.113] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Revised: 04/11/2018] [Accepted: 04/28/2018] [Indexed: 10/16/2022]
Abstract
Graphene quantum dots (GQDs) have been synthesized reproducibly by chemical oxidation (CO) of carbon nano-onions (nCNOs) and a one-step pulsed laser ablation (LA) of nCNOs in deionized water. The photoluminescence (PL) spectra show that the LA-GQDs have blue shifted emission relative to the CO-GQDs which is attributed to the effects of both particle sizes and surface functional groups. The CO-GQDs have an average diameter of 4.1(8) nm and a thickness corresponding to two or three graphene layers, while the LA-GQDs have an average diameter of 1.8(6) nm and a thickness comparable to a single layer of graphene. The CO-GQDs favor the presence of carboxylic groups and have a higher fraction of sp2 carbons, while the LA-GQDs prefer the presence of hydroxyl groups and have a higher fraction of sp3 carbons. PL lifetime data suggests that surface functional groups are the main source of radiative deactivation and the sp2 carbon domains are mainly responsible for non-radiative decay. PL lifetimes are measured to be 7.9(6) ns for the emission from the carboxylic groups and 3.18(10) ns from the hydroxyl groups. Compared to CO, liquid-phase LA is a faster and cleaner one-step method for producing GQDs with fewer starting chemicals and byproducts.
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Affiliation(s)
- Rosemary L Calabro
- Department of Chemistry, University of Kentucky, Lexington, KY 40506-0055, USA
| | - Dong-Sheng Yang
- Department of Chemistry, University of Kentucky, Lexington, KY 40506-0055, USA.
| | - Doo Young Kim
- Department of Chemistry, University of Kentucky, Lexington, KY 40506-0055, USA.
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343
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A Shack-Hartmann Sensor for Single-Shot Multi-Contrast Imaging with Hard X-rays. APPLIED SCIENCES-BASEL 2018. [DOI: 10.3390/app8050737] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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344
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Laser-assisted in situ synthesis of graphene-based magnetic-responsive hybrids for multimodal imaging-guided chemo/photothermal synergistic therapy. Talanta 2018; 182:433-442. [DOI: 10.1016/j.talanta.2018.02.030] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2018] [Revised: 02/06/2018] [Accepted: 02/07/2018] [Indexed: 02/06/2023]
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345
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Pan H, Chen Z, Zhu S, Jiang C, Zhang D. Photoelastic colloidal gel for a high-sensitivity strain sensor. NANOTECHNOLOGY 2018; 29:175502. [PMID: 29446759 DOI: 10.1088/1361-6528/aaafac] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Nanoparticles, having the ability to self-assemble into an ordered structure in their suspensions, analogous to liquid crystals, have attracted extensive attention. Herein, we report a new type of colloidal gel with an ordered crystal structure assembled from 1D and 2D nanoparticles. The material has high elasticity and, more interestingly, it shows significant photoelasticity. Its refractive index can be tuned under external stress and exhibits an ultra-wide dynamic range (Δn) of the order of 10-2. Due to the large Δn, the material shows an extremely high strain sensibility of 720 nm/ε, an order of magnitude higher than the reported ones.
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Affiliation(s)
- Hui Pan
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, People's Republic of China
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346
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Xiao P, Bu F, Zhao R, Aly Aboud MF, Shakir I, Xu Y. Sub-5 nm Ultrasmall Metal-Organic Framework Nanocrystals for Highly Efficient Electrochemical Energy Storage. ACS NANO 2018; 12:3947-3953. [PMID: 29558111 DOI: 10.1021/acsnano.8b01488] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Synthesis of ultrasmall metal-organic framework (MOF) nanoparticles has been widely recognized as a promising route to greatly enhance their properties but remains a considerable challenge. Herein, we report one facile and effective spatially confined thermal pulverization strategy to successfully transform bulk Co-MOF particles into sub-5 nm nanocrystals encapsulated within N-doped carbon/graphene (NC/G) by using conducting polymer coated Co-MOFs/graphene oxide as precursors. This strategy involves a feasible mechanism: calcination of Co-MOFs at proper temperature in air induces the partial thermal collapse/distortion of the framework, while the uniform coating of a conducting polymer can significantly improve the decomposition temperature and maintain the component stability of Co-MOFs, thus leading to the pulverization of bulk Co-MOF particles into ultrasmall nanocrystals without oxidation. The pulverization of Co-MOFs significantly increases the contact area between Co-MOFs with electrolyte and shortens the electron and ion transport pathway. Therefore, the sub-5 nm ultrasmall MOF nanocrystals-based composites deliver an ultrahigh reversible capacity (1301 mAh g-1 at 0.1 A g-1), extraordinary rate performance (494 mAh g-1 at 40 A g-1), and outstanding cycling stability (98.6% capacity retention at 10 A g-1 after 2000 cycles), which is the best performance achieved in all reported MOF-based anodes for lithium-ion batteries.
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Affiliation(s)
- Peitao Xiao
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science , Fudan University , Shanghai 200433 , China
| | - Fanxing Bu
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science , Fudan University , Shanghai 200433 , China
| | - Ranran Zhao
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science , Fudan University , Shanghai 200433 , China
| | - Mohamed F Aly Aboud
- Sustainable Energy Technologies Center, College of Engineering , King Saud University , Riyadh 11421 , Kingdom of Saudi Arabia
| | - Imran Shakir
- Sustainable Energy Technologies Center, College of Engineering , King Saud University , Riyadh 11421 , Kingdom of Saudi Arabia
| | - Yuxi Xu
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science , Fudan University , Shanghai 200433 , China
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347
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Shih CY, Streubel R, Heberle J, Letzel A, Shugaev MV, Wu C, Schmidt M, Gökce B, Barcikowski S, Zhigilei LV. Two mechanisms of nanoparticle generation in picosecond laser ablation in liquids: the origin of the bimodal size distribution. NANOSCALE 2018; 10:6900-6910. [PMID: 29561559 PMCID: PMC6637654 DOI: 10.1039/c7nr08614h] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2017] [Accepted: 03/01/2018] [Indexed: 05/27/2023]
Abstract
The synthesis of chemically clean and environmentally friendly nanoparticles through pulsed laser ablation in liquids has shown a number of advantages over conventional chemical synthesis methods and has evolved into a thriving research field attracting laboratory and industrial applications. The fundamental understanding of processes leading to the nanoparticle generation, however, still remains elusive. In particular, the origin of bimodal nanoparticle size distributions in femto- and picosecond laser ablation in liquids, where small nanoparticles (several nanometers) with narrow size distribution are commonly observed to coexist with larger (tens to hundreds of nanometers) ones, has not been explained so far. In this paper, joint computational and experimental efforts are applied to understand the mechanisms of nanoparticle formation in picosecond laser ablation in liquids and to explain the bimodal nanoparticle size distributions. The results of a large-scale atomistic simulation reveal the critical role of the dynamic interaction between the ablation plume and the liquid environment, leading to the generation of large nanoparticles through a sequence of hydrodynamic instabilities at the plume-liquid interface and a concurrent nucleation and growth of small nanoparticles in an expanding metal-liquid mixing region. The computational predictions are supported by a series of stroboscopic videography experiments showing the emergence of small satellite bubbles surrounding the main cavitation bubble generated in single pulse experiments. Carefully timed double pulse irradiation triggers expansion of secondary cavitation bubbles indicating, in accord with the simulation results, the presence of localized sites of laser energy deposition (possibly large nanoparticles) injected into the liquid at the early stage of the bubble formation.
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Affiliation(s)
- Cheng-Yu Shih
- Department of Materials Science and Engineering, University of Virginia, 395 McCormick Road, Charlottesville, Virginia 22904-4745, USA.
| | - René Streubel
- Technical Chemistry I and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, Universitaetsstr. 7, Essen 45141, Germany.
| | - Johannes Heberle
- Institute of Photonic Technologies, Friedrich-Alexander University Erlangen-Nürnberg, Konrad-Zuse-Straße 3/5, Erlangen 91052, Germany
| | - Alexander Letzel
- Technical Chemistry I and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, Universitaetsstr. 7, Essen 45141, Germany.
| | - Maxim V Shugaev
- Department of Materials Science and Engineering, University of Virginia, 395 McCormick Road, Charlottesville, Virginia 22904-4745, USA.
| | - Chengping Wu
- Department of Materials Science and Engineering, University of Virginia, 395 McCormick Road, Charlottesville, Virginia 22904-4745, USA.
| | - Michael Schmidt
- Institute of Photonic Technologies, Friedrich-Alexander University Erlangen-Nürnberg, Konrad-Zuse-Straße 3/5, Erlangen 91052, Germany
| | - Bilal Gökce
- Technical Chemistry I and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, Universitaetsstr. 7, Essen 45141, Germany.
| | - Stephan Barcikowski
- Technical Chemistry I and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, Universitaetsstr. 7, Essen 45141, Germany.
| | - Leonid V Zhigilei
- Department of Materials Science and Engineering, University of Virginia, 395 McCormick Road, Charlottesville, Virginia 22904-4745, USA.
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348
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Photoluminescence quenching of dye molecules near a resonant silicon nanoparticle. Sci Rep 2018; 8:6107. [PMID: 29666416 PMCID: PMC5904138 DOI: 10.1038/s41598-018-24492-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Accepted: 03/27/2018] [Indexed: 02/04/2023] Open
Abstract
Luminescent molecules attached to resonant colloidal particles are an important tool to study light-matter interaction. A traditional approach to enhance the photoluminescence intensity of the luminescent molecules in such conjugates is to incorporate spacer-coated plasmonic nanoantennas, where the spacer prevents intense non-radiative decay of the luminescent molecules. Here, we explore the capabilities of an alternative platform for photoluminescence enhancement, which is based on low-loss Mie-resonant colloidal silicon particles. We demonstrate that resonant silicon particles of spherical shape are more efficient for photoluminescence enhancement than their plasmonic counterparts in spacer-free configuration. Our theoretical calculations show that significant enhancement originates from larger quantum yields supported by silicon particles and their resonant features. Our results prove the potential of high-index dielectric particles for spacer-free enhancement of photoluminescence, which potentially could be a future platform for bioimaging and nanolasers.
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349
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Pulsed laser-assisted ionic liquid electrodeposition of gallium nanoparticles and germanium nanostructures for energy storage. Chem Phys Lett 2018. [DOI: 10.1016/j.cplett.2018.03.023] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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350
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Palneedi H, Park JH, Maurya D, Peddigari M, Hwang GT, Annapureddy V, Kim JW, Choi JJ, Hahn BD, Priya S, Lee KJ, Ryu J. Laser Irradiation of Metal Oxide Films and Nanostructures: Applications and Advances. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:e1705148. [PMID: 29411432 DOI: 10.1002/adma.201705148] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2017] [Revised: 10/20/2017] [Indexed: 05/03/2023]
Abstract
Recent technological advances in developing a diverse range of lasers have opened new avenues in material processing. Laser processing of materials involves their exposure to rapid and localized energy, which creates conditions of electronic and thermodynamic nonequilibrium. The laser-induced heat can be localized in space and time, enabling excellent control over the manipulation of materials. Metal oxides are of significant interest for applications ranging from microelectronics to medicine. Numerous studies have investigated the synthesis, manipulation, and patterning of metal oxide films and nanostructures. Besides providing a brief overview on the principles governing the laser-material interactions, here, the ongoing efforts in laser irradiation of metal oxide films and nanostructures for a variety of applications are reviewed. Latest advances in laser-assisted processing of metal oxides are summarized.
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Affiliation(s)
- Haribabu Palneedi
- Functional Ceramics Group, Korea Institute of Materials Science (KIMS), Changwon, 51508, Republic of Korea
| | - Jung Hwan Park
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea
| | - Deepam Maurya
- Bio-inspired Materials and Devices Laboratory (BMDL), Center for Energy Harvesting Materials and Systems (CEHMS), Virginia Tech, Blacksburg, VA, 24061, USA
| | - Mahesh Peddigari
- Functional Ceramics Group, Korea Institute of Materials Science (KIMS), Changwon, 51508, Republic of Korea
| | - Geon-Tae Hwang
- Functional Ceramics Group, Korea Institute of Materials Science (KIMS), Changwon, 51508, Republic of Korea
| | | | - Jong-Woo Kim
- Functional Ceramics Group, Korea Institute of Materials Science (KIMS), Changwon, 51508, Republic of Korea
| | - Jong-Jin Choi
- Functional Ceramics Group, Korea Institute of Materials Science (KIMS), Changwon, 51508, Republic of Korea
| | - Byung-Dong Hahn
- Functional Ceramics Group, Korea Institute of Materials Science (KIMS), Changwon, 51508, Republic of Korea
| | - Shashank Priya
- Bio-inspired Materials and Devices Laboratory (BMDL), Center for Energy Harvesting Materials and Systems (CEHMS), Virginia Tech, Blacksburg, VA, 24061, USA
| | - Keon Jae Lee
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea
| | - Jungho Ryu
- Functional Ceramics Group, Korea Institute of Materials Science (KIMS), Changwon, 51508, Republic of Korea
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