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Yuan X, Ge L, Zhou H, Tang J. Size, composition, and surface capping-dependent catalytic activity of spherical gold nanoparticles. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 287:122082. [PMID: 36370632 DOI: 10.1016/j.saa.2022.122082] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 10/30/2022] [Accepted: 11/02/2022] [Indexed: 06/16/2023]
Abstract
Gold nanostructures are used as catalysts in heterogeneous catalytic processes and have intrigued chemists and materials scientists. Isotropic spherical gold nanoparticles (AuNPs) are ideal for catalysis due to their simple preparation process, controllable surface-active site, tunable size, and composition-dependent catalytic activity. In this study, spherical AuNPs with different size, composition, and surface capping agents have been prepared, and their catalytic activity in reduction of 4-nitrophenol (4-NP) is evaluated. The catalytic activity of AuNPs decreases as their size increases. Meanwhile, the catalytic activity of AuNPs with tartrate as the reducing agent show no evident changes because of containing anisotropic AuNPs. Moreover, silver not only improves monodisperse and spherical AuNPs, but also increases the catalytic activity of small AuNPs. Since the molecular structures of tartrate and citrate are similar, there is no remarkable difference in the catalytic activity of AuNPs using tartrate and citrate as capping agents. These results demonstrate the influence of size, composition, and surface capping on the catalytic activity of AuNPs. Overall, this study facilitates the applicability of gold-based catalyst and AuNPs in plasmonics, nanophotonics, biomedical photonics, and photocatalysis.
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Affiliation(s)
- Xujing Yuan
- College of Physics and Electronic Information, Yunnan Normal University, Kunming 650500, China
| | - Linlin Ge
- College of Physics and Electronic Information, Yunnan Normal University, Kunming 650500, China
| | - Haichun Zhou
- College of Physics and Electronic Information, Yunnan Normal University, Kunming 650500, China
| | - Junqi Tang
- College of Physics and Electronic Information, Yunnan Normal University, Kunming 650500, China
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2
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Ma A, Yang W, Gao K, Tang J. Concave gold nano-arrows (AuCNAs) for efficient catalytic reduction of 4-nitrophenol. CHEMOSPHERE 2023; 310:136800. [PMID: 36244421 DOI: 10.1016/j.chemosphere.2022.136800] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 10/01/2022] [Accepted: 10/05/2022] [Indexed: 06/16/2023]
Abstract
Anisotropic gold nanostructures have attracted great attention in different fields including catalysis. Thermodynamically driven selective surface growth offers a reliable and reproducible method for anisotropic gold nanoparticle synthesis with specific morphologies. Herein, monocrystalline concave gold nano-arrows (AuCNAs) are prepared by the over-growth method using Au nanorods (AuNRs) as seeds. The as-prepared AuCNAs consist of a biconical head and four concave structures. Interestingly, silver ions (Ag+) concentration significantly affects the product morphology by tuning the peak positions of surface plasmon resonance (SPR), aspect ratio, arrow, and concave morphology of AuCNAs. The position of longitudinal SPR peaks is observed at 810, 805 and 782 nm at [Ag+]/[Au3+] molar ratios of 1:2, 1:1, and 2:1, respectively. Diameters and lengths of AuCNAs varied from 25 nm to 36 nm; 104 nm, 78 nm, and 120 nm, respectively. Additionally, the AuCNAs are applied for the catalytic reduction of 4-nitrophenol (4-NP) to 4-aminophenol (4-AP) in presence of excess NaBH4. Compared to gold nanorods (AuNRs), the prepared AuCNAs catalyst shows excellent catalytic activity, demonstrating that concave structures and sharp corners significantly enhance the catalytic activity. The value of pseudo-first-order reaction kinetic constants (kapp) increased from 0.0051 to 0.0195 s-1 with increasing catalyst valume from 7.5 to 37.5 μL. The highest normalized reaction rate constant (Knor) and turnover frequency (TOF) reach 5.84 × 104 min-1 mmol-1 and 443.47 h-1, respectively, at [Ag+]/[Au3+] ratio of 1:1 in AuCNAs catalyst. This study expands catalytic applications of anisotropic gold nanostructures and widens their potential application areas, such as surface plasmon exciton photonics, biomedical photonics, and photocatalysis.
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Affiliation(s)
- Ang Ma
- College of Physics and Electronic Information, Yunnan Normal University, Kunming, 650500, China
| | - Weiye Yang
- College of Physics and Electronic Information, Yunnan Normal University, Kunming, 650500, China
| | - Kunpeng Gao
- College of Physics and Electronic Information, Yunnan Normal University, Kunming, 650500, China
| | - Junqi Tang
- College of Physics and Electronic Information, Yunnan Normal University, Kunming, 650500, China.
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Ma A, Yang W, Yan H, Tang J. Substrate-Free Fabrication of Single-Crystal Two-Dimensional Gold Nanoplates for Catalytic Application. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:15263-15271. [PMID: 36444415 DOI: 10.1021/acs.langmuir.2c02404] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Two-dimensional (2D) gold nanoplates (AuNPLs) have shown potential in catalysis, photonics, electronics, sensing, and biomedicine fields due to their high aspect ratio, fascinating surface chemistry, and quantum-size effect. Therefore, the synthesis of substrate-free, size-controlled single-crystal gold (Au) nanoplates is highly desirable for the development of catalysis and optical near-field enhancement applications. EDTA and hydroxide anions were used in this study to stimulate the formation of microscale single-crystal gold nanoplates under hydrothermal conditions. The reaction temperature, amount of EDTA, and hydroxyl anions all have a significant effect on the morphologies and size distributions of the gold nanoplates. The gold nanoplates had an average side length of between 3 and 11 μm. The application of the microscale single-crystal gold nanoplates as a nanocatalyst proved their excellent catalytic activity and recyclability for the catalysis of 4-nitrophenol to 4-aminophenol, implying that the large-size gold nanoplates were promising in heterogeneous catalysis applications.
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Affiliation(s)
- Ang Ma
- College of Physics and Electronic Information, Yunnan Normal University, Kunming 650500, China
| | - Weiye Yang
- College of Physics and Electronic Information, Yunnan Normal University, Kunming 650500, China
| | - Hao Yan
- College of Physics and Electronic Information, Yunnan Normal University, Kunming 650500, China
| | - Junqi Tang
- College of Physics and Electronic Information, Yunnan Normal University, Kunming 650500, China
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Grządka E, Godek E, Słowik G, Kowalczuk A, Matusiak J, Maciołek U. Interactions between Nanoclay, CTAB and Linear/Star Shaped Polymers. Int J Mol Sci 2022; 23:ijms23063051. [PMID: 35328470 PMCID: PMC8955478 DOI: 10.3390/ijms23063051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 03/03/2022] [Accepted: 03/09/2022] [Indexed: 11/16/2022] Open
Abstract
The influence of star-shaped (PAA-SS) and linear polyacrylic acid (PAA) with different molecular weights (high—PAA-HMW and low—PAA-LMW) on the structure of the adsorption layer, adsorption amount, electrokinetic and stabilizing properties of the PAA/CTAB/nanoclay suspensions was studied. The properties of the systems containing one of these polymers, the cationic surfactant—hexadecyltrimethylammonium bromide (CTAB) and the surface-modified nanoclay (N-SM) were analyzed using the following techniques: BET, CHN, FT-IR, ED-XRF, XRD, HRTEM, UV-Vis, tensiometry and zeta potential measurements. It was proved that PAA could be used as an effective stabilizer of N-SM. Moreover, the addition of CTAB caused a significant increase in the stability of the systems but decreased the adsorption of PAA on the N-SM surface and changed the structure of the adsorption layers. The largest stability was observed in the PAA-HMW/CTAB system. The PAA polymers and PAA/CTAB complexes adsorbed, especially on the clay surface, influenced the primary distribution of the layered sheets but kept the same basal d-spacing. The adsorption of PAA and the PAA/CTAB complexes took place mainly at the plate edges and on the contact space between the sheets. The obtained results will be used for the preparation of the PAA/CTAB/nanoclay composite for water purification.
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Affiliation(s)
- Elżbieta Grządka
- Department of Radiochemistry and Environmental Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Skłodowska University, M. Skłodowskiej-Curie 3 Sq., 20-031 Lublin, Poland;
- Correspondence:
| | - Ewelina Godek
- Department of Radiochemistry and Environmental Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Skłodowska University, M. Skłodowskiej-Curie 3 Sq., 20-031 Lublin, Poland;
| | - Grzegorz Słowik
- Department of Chemical Technology, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Skłodowska University, M. Skłodowskiej-Curie 3 Sq., 20-031 Lublin, Poland;
| | - Agnieszka Kowalczuk
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences, M. Curie-Skłodowskiej 34, 41-819 Zabrze, Poland;
| | - Jakub Matusiak
- Faculty of Chemistry, Wroclaw University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wroclaw, Poland; or
| | - Urszula Maciołek
- Analytical Laboratory, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Skłodowska University, M. Skłodowskiej-Curie 3 Sq., 20-031 Lublin, Poland;
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Süer NC, Acaroğlu Degitz İ, Sungur P, Bayır A, Eren T. Production of Au/phosphonium polymer nanoparticles. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110599] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Ortiz-Castillo JE, Gallo-Villanueva RC, Madou MJ, Perez-Gonzalez VH. Anisotropic gold nanoparticles: A survey of recent synthetic methodologies. Coord Chem Rev 2020. [DOI: 10.1016/j.ccr.2020.213489] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Formation of Size and Density Controlled Nanostructures by Galvanic Displacement. NANOMATERIALS 2020; 10:nano10040644. [PMID: 32235596 PMCID: PMC7221692 DOI: 10.3390/nano10040644] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/22/2020] [Revised: 03/11/2020] [Accepted: 03/27/2020] [Indexed: 01/15/2023]
Abstract
Gold (Au) and copper (Cu)-based nanostructures are of great interest due to their applicability in various areas including catalysis, sensing and optoelectronics. Nanostructures synthesized by the galvanic displacement method often lead to non-uniform density and poor size distribution. Here, density and size-controlled synthesis of Au and Cu-based nanostructures was made possible by galvanic displacement with limited exposure to hydrofluoric (HF) acid and the use of surfactants like L-cysteine (L-Cys) and cetyltrimethylammonium bromide (CTAB). An approach involving cyclic exposure to HF acid regulated the nanostructure density. Further, the use of surfactants generated monodisperse nanoparticles in the initial stages of the deposition with increased density. The characterization of Au and Cu-based nanostructures was performed by scanning electron microscopy, atomic force microscopy, UV-Visible spectroscopy, X-ray photoelectron spectroscopy, Raman spectroscopy and X-ray diffraction. The surface enhanced Raman spectroscopic measurements demonstrated an increase in the Raman intensity by two to three orders of magnitude for analyte molecules like Rhodamine 6G dye and paraoxon.
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Facile and clean synthesis of dihydroxylatopillar[5]arene-stabilized gold nanoparticles integrated Pd/MnO2 nanocomposites for robust and ultrasensitive detection of cardiac troponin I. Biosens Bioelectron 2019; 130:214-224. [DOI: 10.1016/j.bios.2019.01.041] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Revised: 01/16/2019] [Accepted: 01/18/2019] [Indexed: 12/22/2022]
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9
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Tang J, Fu X, Ou Q, Gao K, Man SQ, Guo J, Liu Y. Hydroxide assisted synthesis of monodisperse and biocompatible gold nanoparticles with dextran. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018; 93:759-767. [PMID: 30274109 DOI: 10.1016/j.msec.2018.08.045] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Revised: 07/14/2018] [Accepted: 08/20/2018] [Indexed: 11/16/2022]
Abstract
A simple and rapid approach to synthesize monodisperse and biocompatible gold nanoparticles (AuNPs) employing dextran as a reducing and stabilizing agents at different reaction conditions was described. The obtained dextran-gold nanoparticles (Dex-AuNPs) were characterized by transmission electron microscopy (TEM), UV-Vis spectroscopy, Nuclear magnetic resonance (NMR) spectroscopy, Fourier transformer infrared (FTIR) spectroscopy and X-ray diffraction (XRD) analysis. The TEM examinations showed the resultant particles were 4-50 nm in size, monodispersity and uniform particle size distribution. Moreover, the size of the nanoparticles can be controlled by varying the concentration of the reactants. UV-Vis spectra showed that the characteristic localized surface plasmon resonance (LSPR) band of AuNPs was at about 525 nm. NMR spectroscopy and FTIR spectroscopic analysis suggested the detailed structural information of dextran before and after synthesis of AuNPs. XRD and selected area electron diffraction (SAED) pattern analysis demonstrated that the colloidal nanoparticles had a well crystallized structure. The experimental analyses revealed that NaOH played an important role in the synthesis of Dex-AuNPs. And the possible formation mechanism of the fabrication of these Dex-AuNPs was also proposed. MTT assay was utilized to evaluate the cytotoxicity of the synthesized Dex-AuNPs on HeLa cells and SiHa cells. These results suggested that the prepared Dex-AuNPs complexes had excellent biocompatibility and acted as a candidate for further biomedical application.
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Affiliation(s)
- Junqi Tang
- Yunnan Key laboratory of Optoelectronic Information Technology, College of Physics and Electronic Information, Yunnan Normal University, Kunming 650500, China
| | - Xuewen Fu
- Yunnan Key laboratory of Optoelectronic Information Technology, College of Physics and Electronic Information, Yunnan Normal University, Kunming 650500, China
| | - Quanhong Ou
- Yunnan Key laboratory of Optoelectronic Information Technology, College of Physics and Electronic Information, Yunnan Normal University, Kunming 650500, China
| | - Kunpeng Gao
- Yunnan Key laboratory of Optoelectronic Information Technology, College of Physics and Electronic Information, Yunnan Normal University, Kunming 650500, China
| | - Shi-Qing Man
- Yunnan Key laboratory of Optoelectronic Information Technology, College of Physics and Electronic Information, Yunnan Normal University, Kunming 650500, China.
| | - Jie Guo
- Yunnan Key laboratory of Optoelectronic Information Technology, College of Physics and Electronic Information, Yunnan Normal University, Kunming 650500, China
| | - Yingkai Liu
- Yunnan Key laboratory of Optoelectronic Information Technology, College of Physics and Electronic Information, Yunnan Normal University, Kunming 650500, China
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10
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Effects of cetyltrimethylammonium bromide on the morphology of green synthesized Fe3O4 nanoparticles used to remove phosphate. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018; 82:41-45. [DOI: 10.1016/j.msec.2017.08.073] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2017] [Revised: 08/14/2017] [Accepted: 08/16/2017] [Indexed: 12/18/2022]
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11
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Seo J, Lee S, Koo B, Jung W. Controlling the size of Pt nanoparticles with a cationic surfactant, CnTABr. CrystEngComm 2018. [DOI: 10.1039/c7ce02235b] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report how the size of Pt nanoparticles varies by using a wide range of chain lengths and concentrations of CnTABr, a cationic surfactant, in aqueous-based colloidal synthesis and confirm that the chemical affinity between the organic complex formed in the solution and the aggregate of the surfactant is an important factor for Pt particle growth.
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Affiliation(s)
- Jongsu Seo
- Department of Materials Science and Engineering
- Korea Advanced Institute of Science and Technology (KAIST)
- Daejeon
- Republic of Korea
| | - Siwon Lee
- Department of Materials Science and Engineering
- Korea Advanced Institute of Science and Technology (KAIST)
- Daejeon
- Republic of Korea
| | - Bonjae Koo
- Department of Materials Science and Engineering
- Korea Advanced Institute of Science and Technology (KAIST)
- Daejeon
- Republic of Korea
| | - WooChul Jung
- Department of Materials Science and Engineering
- Korea Advanced Institute of Science and Technology (KAIST)
- Daejeon
- Republic of Korea
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12
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de Barros HR, Piovan L, Sassaki GL, de Araujo Sabry D, Mattoso N, Nunes ÁM, Meneghetti MR, Riegel-Vidotti IC. Surface interactions of gold nanorods and polysaccharides: From clusters to individual nanoparticles. Carbohydr Polym 2016; 152:479-486. [DOI: 10.1016/j.carbpol.2016.07.018] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2016] [Revised: 06/28/2016] [Accepted: 07/05/2016] [Indexed: 01/19/2023]
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13
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Pallotta A, Boudier A, Leroy P, Clarot I. Characterization and stability of gold nanoparticles depending on their surface chemistry: Contribution of capillary zone electrophoresis to a quality control. J Chromatogr A 2016; 1461:179-84. [DOI: 10.1016/j.chroma.2016.07.031] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2016] [Revised: 07/11/2016] [Accepted: 07/12/2016] [Indexed: 12/14/2022]
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14
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Díaz M, Barrera A, López-Cuenca S, Martínez-Salazar SY, Rabelero M, Ceja I, Fernández VVA, Aguilar J. Size-controlled gold nanoparticles inside polyacrylamide microgels. J Appl Polym Sci 2016. [DOI: 10.1002/app.43560] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- M. Díaz
- Departamento de Ciencias Tecnológicas; Universidad de Guadalajara; Avenida Universidad 1115, 47820 Ocotlán Jalisco 47820 Mexico
| | - A. Barrera
- Departamento de Ciencias Básicas; Universidad de Guadalajara; Avenida Universidad 1115, 47820 Ocotlán Jalisco 47820 Mexico
| | - S. López-Cuenca
- Instituto Tecnológico Superior de Tequila; Joel Magallanes Rubio 501; Col. Lomas del Paraíso 46400 Tequila Jalisco Mexico
| | - S. Y. Martínez-Salazar
- Departamento de Ciencias Básicas; Universidad de Guadalajara; Avenida Universidad 1115, 47820 Ocotlán Jalisco 47820 Mexico
| | - M. Rabelero
- Departamento de Ingeniería Química; Universidad de Guadalajara; Boulevard M. García Barragán 1451 44430 Guadalajara Jalisco Mexico
| | - I. Ceja
- Departamento de Física; Universidad de Guadalajara; Boulevard M. García Barragán 1451 44430 Guadalajara Jalisco Mexico
| | - V. V. A. Fernández
- Departamento de Ciencias Tecnológicas; Universidad de Guadalajara; Avenida Universidad 1115, 47820 Ocotlán Jalisco 47820 Mexico
| | - J. Aguilar
- Departamento de Ciencias Tecnológicas; Universidad de Guadalajara; Avenida Universidad 1115, 47820 Ocotlán Jalisco 47820 Mexico
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Walker JM, Zaleski JM. A simple route to diverse noble metal-decorated iron oxide nanoparticles for catalysis. NANOSCALE 2016; 8:1535-1544. [PMID: 26681072 DOI: 10.1039/c5nr06700f] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Developing facile synthetic routes to multifunctional nanoparticles combining the magnetic properties of iron oxides with the optical and catalytic utility of noble metal particles remains an important goal in realizing the potential of hybrid nanomaterials. To this end, we have developed a single route to noble metal-decorated magnetic nanoparticles (Fe3O4@SiO2-M; M = Au, Pd, Ag, and PtAg) and characterized them by HRTEM and STEM/EDX imaging to reveal their nanometer size (16 nm Fe3O4 and 1-5 nm M seeds) and uniformity. This represents one of the few examples of genuine multifunctional particles on the nanoscale. We show that these hybrid structures have excellent catalytic activity for the reduction of 4-nitrophenol (knorm = 2 × 10(7) s(-1) mol(Pd)(-1); 5 × 10(6) s(-1) mol(Au)(-1); 5 × 10(5) s(-1) mol(PtAg)(-1); 7 × 10(5) s(-1) mol(Ag)(-1)). These rates are the highest reported for nano-sized comparables, and are competitive with mesoparticles of similar composition. Due to their magnetic response, the particles are also suitable for magnetic recovery and maintain >99% conversion for at least four cycles. Using this synthetic route, Fe3O4@SiO2-M particles show great promise for further development as a precursor to complicated anisotropic materials or for applications ranging from nanocatalysis to biomedical sensing.
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Affiliation(s)
- Joan M Walker
- Department of Chemistry, Indiana University, Bloomington, IN, USA.
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16
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Li J, Chang X, Chen X, Gu Z, Zhao F, Chai Z, Zhao Y. Toxicity of inorganic nanomaterials in biomedical imaging. Biotechnol Adv 2014; 32:727-43. [DOI: 10.1016/j.biotechadv.2013.12.009] [Citation(s) in RCA: 80] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2013] [Revised: 12/12/2013] [Accepted: 12/13/2013] [Indexed: 11/27/2022]
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