1
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Maity S, Komagata T, Takano S, Masuda S, Kikkawa J, Kimoto K, Harano K, Tsukuda T. Blue Shift of Localized Surface Plasmon Resonance of Gold Ultrathin Nanorod by Forming a Single Atomic Silver Shell via Antigalvanic Process. NANO LETTERS 2024. [PMID: 39324748 DOI: 10.1021/acs.nanolett.4c03159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/27/2024]
Abstract
Gold ultrathin nanorods (Au UNRs) are anisotropic nanostructures constructed by attaching gold nanoclusters in one dimension. Au UNRs exhibit localized surface plasmon resonance (LSPR) only in the longitudinal direction because their diameter is smaller than the Fermi wavelength of an electron (<2 nm). In this study, we found that the LSPR wavelength of oleylamine-stabilized Au UNRs is blue-shifted simply by mixing with Ag(I). High-resolution elemental mapping and X-ray photoelectron spectroscopy of the resulting UNRs indicate that a Ag monatomic layer is formed on the Au UNR surface by the antigalvanic reduction of Ag(I). This process allowed us to synthesize a series of Au@Ag core-shell UNRs with LSPR wavelengths in the range of 1.2-2.0 μm.
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Affiliation(s)
- Subarna Maity
- Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Toshiki Komagata
- Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Shinjiro Takano
- Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Shinya Masuda
- Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Jun Kikkawa
- Center for Basic Research on Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Koji Kimoto
- Center for Basic Research on Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Koji Harano
- Center for Basic Research on Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Tatsuya Tsukuda
- Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
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2
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Gao J, Zhang F, Zhang X. A 66-Nuclear All-Alkynyl Protected Peanut-Shaped Silver(I)/Copper(I) Heterometallic Nanocluster: Intermediate in Copper-Catalyzed Alkyne-Azide Cycloaddition. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2400377. [PMID: 38561956 PMCID: PMC11165478 DOI: 10.1002/advs.202400377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 03/01/2024] [Indexed: 04/04/2024]
Abstract
Ligand-protected heterometallic nanoclusters in contrast to homo-metal counterparts show more broad applications due to the synergistic effect of hetero-metals but their controllable syntheses remain a challenge. Among heterometallic nanoclusters, monovalent Ag-Cu compounds are rarely explored due to much difference of Ag(I) and Cu(I) such as atom radius, coordination habits, and redox potential. Encouraged by copper-catalyzed alkyne-azide cycloaddition (CuAAC) reaction, comproportionation reaction of Cu(II)X2 and Cu(0) in the presence of (PhC≡CAg)n complex and molybdate generated a core-shell peanut-shaped 66-nuclear Ag(I)-Cu(I) heterometallic nanocluster, [(Mo4O16)2@Cu12Ag54(PhC≡C)50] (referred to as Ag54Cu12). The structure and composition of Ag-Cu heterometallic nanocluster are fully characterized. X-ray single crystal diffraction reveals that Ag54Cu12 has a peanut-shaped silver(I)/copper(I) heterometallic nanocage protected by fifty phenylacetylene ligands in µ3-modes and encapsulated two mutually twisted tetramolybdates. Heterometallic nanocage contains a 54-Ag-atom outer ellipsoid silver cage decorated by 12 copper inside wall. Nanosized Ag54Cu12 is a n-type narrow-band-gap semiconductor with a good photocurrent response. Preliminary experiments demonstrates that Ag54Cu12 itself and activated carbon supported Ag54Cu12/C are effective catalysts for 1,3-dipole cycloaddition between alkynes and azides at ambient conditions. The work provides not only a new synthetic route toward Ag(I)-Cu(I) nanoclusters but also an important heterometallic intermediate in CuAAC catalytic reaction.
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Affiliation(s)
- Jin‐Ping Gao
- School of Chemistry & Material ScienceShanxi Normal UniversityTaiyuan030006P. R. China
| | - Fu‐Qiang Zhang
- School of Chemistry & Material ScienceShanxi Normal UniversityTaiyuan030006P. R. China
| | - Xian‐Ming Zhang
- School of Chemistry & Material ScienceShanxi Normal UniversityTaiyuan030006P. R. China
- College of ChemistryTaiyuan University of TechnologyTaiyuan030024P. R. China
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3
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Zhang L, Li HW, Wu Y. Ag(I) Ion-Concentration-Dependent Dynamic Mechanism of Thiolactic-Acid-Capped Gold Nanoclusters Revealed by Fluorescence Spectra and Two-Dimensional Correlation Spectroscopy. APPLIED SPECTROSCOPY 2024:37028241241325. [PMID: 38556929 DOI: 10.1177/00037028241241325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/02/2024]
Abstract
Based on fluorescence spectroscopy, being combined with several spectral analysis techniques including principal component analysis (PCA), two-dimensional correlation spectroscopy (2D-COS), and moving window 2D-COS, the study disclosed the structural variations of gold nanoclusters capped by thiolactic acid (AuNCs@TLA) induced by Ag(I) ions. Transmission electron microscopy (TEM) and X-ray photoelectron spectroscopy (XPS) were applied to monitor the morphology evolution of the surface and composition of the nanoclusters induced by Ag(I) ions. Several spectral components, centered at (790, 607) nm, (670, 590) nm, and (740, 670) nm were revealed by 2D-COS analysis, suggesting new luminescent species or groups were generated with the introduction of Ag(I) ions. A two-stage mechanism was revealed for the photoluminescence variations of AuNCs@TLA induced by Ag(I) ion. The first stage was characterized by the emission quench of 790 nm followed by the emerging emission of 607 nm, which was attributed to the anti-galvanic reaction; and the second stage featured by the noticeable growth of the emission's intensity around 670 nm as result of the AuNCs' size effect. The present study will attract more focuses on near-infrared (NIR)-emitted metal nanoclusters and promote their synthesis and utilities.
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Affiliation(s)
- Liping Zhang
- Foundation Department, Jilin Business and Technology College, Jiutai, Changchun, China
| | - Hong-Wei Li
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, China
| | - Yuqing Wu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, China
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4
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Qiao Y, Zou J, Fei W, Fan W, You Q, Zhao Y, Li MB, Wu Z. Building Block Metal Nanocluster-Based Growth in 1D Direction. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2305556. [PMID: 37849043 DOI: 10.1002/smll.202305556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 10/03/2023] [Indexed: 10/19/2023]
Abstract
Metal nanoclusters with precisely modulated structures at the nanoscale give us the opportunity to synthesize and investigate 1D nanomaterials at the atomic level. Herein, it realizes selective 1D growth of building block nanocluster "Au13 Cd2 " into three structurally different nanoclusters: "hand-in-hand" (Au13 Cd2 )2 O, "head-to-head" Au25 , and "shoulder-to-shoulder" Au33 . Detailed studies further reveals the growth mechanism and the growth-related tunable properties. This work provides new hints for the predictable structural transformation of nanoclusters and atomically precise construction of 1D nanomaterials.
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Affiliation(s)
- Yao Qiao
- Institutes of Physical Science and Information Technology, Anhui University, Hefei, 230601, China
- Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, Hefei Institutes of Physical Science (HFIPS), Chinese Academy of Sciences, Hefei, 230031, China
| | - Jiafeng Zou
- Institutes of Physical Science and Information Technology, Anhui University, Hefei, 230601, China
- Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, Hefei Institutes of Physical Science (HFIPS), Chinese Academy of Sciences, Hefei, 230031, China
| | - Wenwen Fei
- Institutes of Physical Science and Information Technology, Anhui University, Hefei, 230601, China
- Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, Hefei Institutes of Physical Science (HFIPS), Chinese Academy of Sciences, Hefei, 230031, China
| | - Wentao Fan
- Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, Hefei Institutes of Physical Science (HFIPS), Chinese Academy of Sciences, Hefei, 230031, China
| | - Qing You
- Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, Hefei Institutes of Physical Science (HFIPS), Chinese Academy of Sciences, Hefei, 230031, China
| | - Yan Zhao
- Institutes of Physical Science and Information Technology, Anhui University, Hefei, 230601, China
- Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, Hefei Institutes of Physical Science (HFIPS), Chinese Academy of Sciences, Hefei, 230031, China
| | - Man-Bo Li
- Institutes of Physical Science and Information Technology, Anhui University, Hefei, 230601, China
- Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, Hefei Institutes of Physical Science (HFIPS), Chinese Academy of Sciences, Hefei, 230031, China
| | - Zhikun Wu
- Institutes of Physical Science and Information Technology, Anhui University, Hefei, 230601, China
- Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, Hefei Institutes of Physical Science (HFIPS), Chinese Academy of Sciences, Hefei, 230031, China
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5
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Zhou Y, Gu W, Wang R, Zhu W, Hu Z, Fei W, Zhuang S, Li J, Deng H, Xia N, He J, Wu Z. Controlled Sequential Doping of Metal Nanocluster. NANO LETTERS 2024; 24:2226-2233. [PMID: 38251911 DOI: 10.1021/acs.nanolett.3c04395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/23/2024]
Abstract
Atomically precise doping of metal nanoclusters provides excellent opportunities not only for subtly tailoring their properties but also for in-depth understanding of composition (structure)-property correlation of metal nanoclusters and has attracted increasing interest partly due to its significance for fundamental research and practical applications. Although single and multiple metal atom doping of metal nanoclusters (NCs) has been achieved, sequential single-to-multiple metal atom doping is still a big challenge and has not yet been reported. Herein, by introducing a second ligand, a novel multistep synthesis method was developed, controlled sequential single-to-multiple metal atom doping was successfully achieved for the first time, and three doped NCs Au25Cd1(p-MBT)17(PPh3)2, Au18Cd2(p-MBT)14(PPh3)2, and [Au19Cd3(p-MBT)18]- (p-MBTH: para-methylbenzenethiol) were obtained, including two novel NCs that were precisely characterized via mass spectrometry, single-crystal X-ray crystallography, and so forth. Furthermore, sequential doping-induced evolutions in the atomic and crystallographic structures and optical and catalytic properties of NCs were revealed.
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Affiliation(s)
- Yue Zhou
- Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, P. R. China
- University of Science and Technology of China, Hefei 230026, P. R. China
| | - Wanmiao Gu
- Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, P. R. China
- Institute of Physical Science and Information Technology, Anhui University, Hefei 230601, P. R. China
| | - Runguo Wang
- Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, P. R. China
- University of Science and Technology of China, Hefei 230026, P. R. China
| | - Wanli Zhu
- Institute of Physical Science and Information Technology, Anhui University, Hefei 230601, P. R. China
| | - Zhiyuan Hu
- Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, P. R. China
- University of Science and Technology of China, Hefei 230026, P. R. China
| | - Wenwen Fei
- Institute of Physical Science and Information Technology, Anhui University, Hefei 230601, P. R. China
| | - Shengli Zhuang
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong 999077, P. R. China
| | - Jin Li
- Tsinghua University-Peking University Joint Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing 100084, P. R. China
| | - Haiteng Deng
- MOE Key Laboratory of Bioinformatics, School of Life Sciences, Tsinghua University, Beijing 100084, P. R. China
| | - Nan Xia
- Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, P. R. China
- Institute of Physical Science and Information Technology, Anhui University, Hefei 230601, P. R. China
| | - Jian He
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong 999077, P. R. China
| | - Zhikun Wu
- Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, P. R. China
- Institute of Physical Science and Information Technology, Anhui University, Hefei 230601, P. R. China
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6
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Zeng MH, Yao QH, Chen LM, Zhang C, Jin JW, Ye TX, Chen XM, Guo ZY, Chen X. Anti-galvanic reaction induced interfacial engineering to reconstruct ternary colloid satellite platform for exceptionally high-performance redox-responsive sensor. Anal Chim Acta 2024; 1288:342093. [PMID: 38220267 DOI: 10.1016/j.aca.2023.342093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 10/30/2023] [Accepted: 11/29/2023] [Indexed: 01/16/2024]
Abstract
The anti-galvanic reaction (AGR), which is a classic galvanic reaction (GR) with an opposite effect, is a unique phenomenon associated with the quantum size effect. This reaction involves the interaction between metal ions and nanoclusters, offering opportunities to create well-defined nanomaterials and diverse reductive behavior. In hence, in our work, we utilize the AGR to generate gold (Au), silver (Ag), and copper (Cu) satellite nanoclusters which have superior electromagnetic properties for Surface-enhanced Raman spectroscopy (SERS) sensor. As the AGR process, weak oxidant Cu2+ is selected to etched matrix Au@Ag NPs, reduced to Cu(0) or Cu(1) and generated the ultrasmall metal nanoparticles (Ag). To facilitate the AGR, we introduce the nucleophilic thiol 4-mercaptopyridine (4-Mpy) to bridge the metal ions or ultrasmall metal nanoparticles to reconstruct the satellite nanoclusters. These experimental displays that the AGR based biosensors has highly sensitivity for reductive molecule glucose. The liner ranges from 1 mmol/L to 1 nmol/L and alongs with a correlation coefficient and detection limit (LOD) of 0.999 and 0.14 nmol/L. Moreover, the AGR based biosensors exhibits remarkable stability and high repeatability with RSD 1.3 %. The food samples are tested to further investigate the accuracy and reliability of the method, which provides a novel and effective SERS method for the reduction molecules detection.
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Affiliation(s)
- Mei-Huang Zeng
- Institute of Analytical Technology and Smart Instruments and Colleague of Environment and Public Healthy, Xiamen Huaxia University, Xiamen, 361024, China; College of Ocean Food and Biological Engineering, Jimei University, Xiamen, 361021, China
| | - Qiu-Hong Yao
- Institute of Analytical Technology and Smart Instruments and Colleague of Environment and Public Healthy, Xiamen Huaxia University, Xiamen, 361024, China; Xiamen Environmental Monitoring Engineering Technology Research Center, China
| | - Lin-Min Chen
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen, 361021, China
| | - Chen Zhang
- Institute of Analytical Technology and Smart Instruments and Colleague of Environment and Public Healthy, Xiamen Huaxia University, Xiamen, 361024, China; Xiamen Environmental Monitoring Engineering Technology Research Center, China
| | - Jing-Wen Jin
- Institute of Analytical Technology and Smart Instruments and Colleague of Environment and Public Healthy, Xiamen Huaxia University, Xiamen, 361024, China; Xiamen Environmental Monitoring Engineering Technology Research Center, China
| | - Ting-Xiu Ye
- College of Pharmacy, Xiamen Medicine College, Xiamen, 361005, China
| | - Xiao-Mei Chen
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen, 361021, China
| | - Zhi-Yong Guo
- Institute of Analytical Technology and Smart Instruments and Colleague of Environment and Public Healthy, Xiamen Huaxia University, Xiamen, 361024, China; Xiamen Environmental Monitoring Engineering Technology Research Center, China.
| | - Xi Chen
- State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen, 361005, China.
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7
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Aliakbarpour S, Amjadi M, Hallaj T. A colorimetric assay for H 2O 2 and glucose based on the morphology transformation of Au/Ag nanocages to nanoboxes. Food Chem 2024; 432:137273. [PMID: 37660579 DOI: 10.1016/j.foodchem.2023.137273] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 08/15/2023] [Accepted: 08/22/2023] [Indexed: 09/05/2023]
Abstract
Herein, we introduced a sensitive colorimetric platform for hydrogen peroxide (H2O2) assay based on gold/silver (Au/Ag) nanocages with porous structure. In the presence of H2O2, the morphology of hollow Au/Ag nanocages was converted to closed nanoboxes, altering their localized surface plasmon resonance (LSPR) peak position and the solution color from light blue to deep blue. The morphology transformation and LSPR peak position of Au/Ag nanocages were proportional to H2O2 concentration at the range of 0.1 to 50 µM. The limit of detection (LOD) was obtained to be 0.02 µM, and the relative standard deviation (RSD, for 0.2, 2.0, and 20 µM) was 2.7, 2.3, and 2.9%, respectively. Moreover, a smartphone-based colorimetric sensor was developed for H2O2 assay at the concentration range of 0.25-4.0 µM, with LOD of 0.2 µM and RSD of 3.2, 2.5, and 2.9% (for 0.5, 1.0, and 3.0 µM, respectively). We exploited the established sensor for glucose assay by measuring the generated H2O2 from the enzymatic reaction between glucose and glucose oxidase. There was a linear relationship between LSPR peak wavelength variations and the amount of glucose from 1.0 to 50 µM, with LOD of 0.4 µM and RSD of 3.2, 3.1, and 3.8% (for 2.0, 10, and 30 µM, respectively). The sensor was successfully applied to determine H2O2 and glucose in food and human serum samples, respectively.
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Affiliation(s)
- Saeid Aliakbarpour
- Department of Analytical Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz 5166616471, Iran
| | - Mohammad Amjadi
- Department of Analytical Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz 5166616471, Iran
| | - Tooba Hallaj
- Cellular and Molecular Research Center, Cellular and Molecular Research Medicine Institute, Urmia University of Medical Sciences, Urmia 5714783734, Iran.
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8
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Kołodziej G, Szostak S, Tomczyk E, Wójcik M. Tuneable Plasmonic Resonances Of A Dynamic Thin Film Of Ultrasmall Nanocrystals Modified In the Anti-Galvanic Reduction Process. Chemistry 2023; 29:e202301843. [PMID: 37642228 DOI: 10.1002/chem.202301843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 08/27/2023] [Accepted: 08/27/2023] [Indexed: 08/31/2023]
Abstract
Ultrasmall gold nanoparticles (NPs) have revolutionized nanotechnology as they are an excellent starting substrate for the synthesis of organic-inorganic hybrid materials with photonic or energy conversion applications, often with a responsive nature. However, ultrasmall NPs do not sustain plasmonic resonances, preventing their use in plasmon-related applications. In the presented work, we show a method of chemical modification of ultrasmall gold nanoparticles in order to fabricate dynamically controlled plasmonic thin films. For this purpose, we used the Anti-Galvanic Reduction process (AGR) to modify the surface of small gold nanoparticles, inducing plasmonic properties without notable size increases. Au@Ag NPs are then modified with liquid crystal-like organic ligands. The obtained NPs can assemble into densely packed films with long-range order and temperature-dependent structural properties. Namely, we detect two, fully reversible phase transitions between the hexagonal and cubic symmetries. The combination of AGR and organic surface modifications enabled us to demonstrate the possibility of managing plasmonic properties in the thin film of ~2 nm diameter metallic NPs.
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Affiliation(s)
- Grzegorz Kołodziej
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093, Warsaw, Poland
| | - Szymon Szostak
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093, Warsaw, Poland
| | - Ewelina Tomczyk
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093, Warsaw, Poland
| | - Michał Wójcik
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093, Warsaw, Poland
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9
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Liang QY, Wang C, Li HW, Wu Y. A ratiometric luminescence probe for selective detection of Ag + based on thiolactic acid-capped gold nanoclusters with near-infrared emission and employing bovine serum albumin as a signal amplifier. Mikrochim Acta 2023; 190:374. [PMID: 37653352 DOI: 10.1007/s00604-023-05955-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 08/13/2023] [Indexed: 09/02/2023]
Abstract
When thiolactic acid-capped gold nanoclusters (AuNCs@TLA) with strong near-infrared (NIR, 800 nm) emission were applied to detect metal ions, only Ag+ induced the generation of two new emission peaks at 610 and 670 nm in sequence and quenching the original NIR emission. The new peak at 670 nm generated after the 800-nm emission disappeared utterly. The ratiometric and turn-on responses showed different linear concentration ranges (0.10-4.0 μmol·L-1 and 10-50 μmol·L-1) toward Ag+, and the limit of detection (LOD) was 40 nmol·L-1. Especially, the probe exhibited extremely high selectivity and strong anti-interference from other metal ions. Mechanism studies showed that the novel responses were attributed to the anti-galvanic reaction of AuNCs to Ag+ and formation of bimetallic nanoclusters. The two new emission peaks were due to the composition change and size growth of the metal core. Besides, bovine serum albumin (BSA) has been employed as a signal amplifier based on the assembly-induced emission enhancement properties of AuNCs, which improved the LOD to 10 nmol·L-1. Moreover, the ratiometric method is feasible for Ag+ detection in diluted serum with high recovery rates, showing large application potential in the biological system. The present study supplies a novel ratiometric probe for Ag+ with a two-stage response and provides a novel signal amplifier of BSA, which will facilitate and promote the application of NIR-emitted metal nanoclusters in biological system.
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Affiliation(s)
- Qi-Yu Liang
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, No. 2699 Qianjin Street, Changchun, 130012, People's Republic of China
- Institute of Theoretical Chemistry, College of Chemistry, Jilin University, No. 2 Liutiao Road, Changchun, 130023, People's Republic of China
| | - Chong Wang
- Department of Hepatic-Biliary-Pancreatic Medicine, First Hospital, Jilin University, No. 71 Xinmin Street, Changchun, 130021, People's Republic of China
| | - Hong-Wei Li
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, No. 2699 Qianjin Street, Changchun, 130012, People's Republic of China.
- Institute of Theoretical Chemistry, College of Chemistry, Jilin University, No. 2 Liutiao Road, Changchun, 130023, People's Republic of China.
| | - Yuqing Wu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, No. 2699 Qianjin Street, Changchun, 130012, People's Republic of China.
- Institute of Theoretical Chemistry, College of Chemistry, Jilin University, No. 2 Liutiao Road, Changchun, 130023, People's Republic of China.
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10
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Fernández-Lodeiro A, Lodeiro JF, Losada-Garcia N, Nuti S, Capelo-Martinez JL, Palomo JM, Lodeiro C. Copper(i) as a reducing agent for the synthesis of bimetallic PtCu catalytic nanoparticles. NANOSCALE ADVANCES 2023; 5:4415-4423. [PMID: 37638153 PMCID: PMC10448313 DOI: 10.1039/d3na00158j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Accepted: 07/20/2023] [Indexed: 08/29/2023]
Abstract
This work investigates the potential utilization of Cu(i) as a reducing agent for the transformation of the platinum salt K2PtCl4, resulting in the production of stable nanoparticles. The synthesized nanoparticles exhibit a bimetallic composition, incorporating copper within their final structure. This approach offers a convenient and accessible methodology for the production of bimetallic nanostructures. The catalytic properties of these novel nanomaterials have been explored in various applications, including their use as artificial metalloenzymes and in the degradation of dyes. The findings underscore the significant potential of Cu(i)-mediated reduction in the development of functional nanomaterials with diverse catalytic applications.
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Affiliation(s)
- Adrián Fernández-Lodeiro
- BIOSCOPE Group, LAQV@REQUIMTE, Chemistry Department, Faculty of Science and Technology, NOVA University Lisbon Caparica Campus Caparica 2829-516 Portugal
- PROTEOMASS Scientific Society, BIOSCOPE GROUP Laboratories Departmental Building, Ground Floor, FCT-UNL Caparica Campus 2829-516 Caparica Portugal
| | - Javier Fernández Lodeiro
- BIOSCOPE Group, LAQV@REQUIMTE, Chemistry Department, Faculty of Science and Technology, NOVA University Lisbon Caparica Campus Caparica 2829-516 Portugal
- PROTEOMASS Scientific Society, BIOSCOPE GROUP Laboratories Departmental Building, Ground Floor, FCT-UNL Caparica Campus 2829-516 Caparica Portugal
| | - Noelia Losada-Garcia
- Instituto de Catálisis y Petroleoquímica (ICP), CSIC Marie Curie 2 Madrid 28049 Spain
| | - Silvia Nuti
- BIOSCOPE Group, LAQV@REQUIMTE, Chemistry Department, Faculty of Science and Technology, NOVA University Lisbon Caparica Campus Caparica 2829-516 Portugal
- PROTEOMASS Scientific Society, BIOSCOPE GROUP Laboratories Departmental Building, Ground Floor, FCT-UNL Caparica Campus 2829-516 Caparica Portugal
| | - José Luis Capelo-Martinez
- BIOSCOPE Group, LAQV@REQUIMTE, Chemistry Department, Faculty of Science and Technology, NOVA University Lisbon Caparica Campus Caparica 2829-516 Portugal
- PROTEOMASS Scientific Society, BIOSCOPE GROUP Laboratories Departmental Building, Ground Floor, FCT-UNL Caparica Campus 2829-516 Caparica Portugal
| | - Jose M Palomo
- Instituto de Catálisis y Petroleoquímica (ICP), CSIC Marie Curie 2 Madrid 28049 Spain
| | - Carlos Lodeiro
- BIOSCOPE Group, LAQV@REQUIMTE, Chemistry Department, Faculty of Science and Technology, NOVA University Lisbon Caparica Campus Caparica 2829-516 Portugal
- PROTEOMASS Scientific Society, BIOSCOPE GROUP Laboratories Departmental Building, Ground Floor, FCT-UNL Caparica Campus 2829-516 Caparica Portugal
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11
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Liu K, Qiao Z, Gao C. Preventing the Galvanic Replacement Reaction toward Unconventional Bimetallic Core-Shell Nanostructures. Molecules 2023; 28:5720. [PMID: 37570689 PMCID: PMC10419990 DOI: 10.3390/molecules28155720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 07/08/2023] [Accepted: 07/26/2023] [Indexed: 08/13/2023] Open
Abstract
A bimetallic core-shell nanostructure is a versatile platform for achieving intriguing optical and catalytic properties. For a long time, this core-shell nanostructure has been limited to ones with noble metal cores. Otherwise, a galvanic replacement reaction easily occurs, leading to hollow nanostructures or completely disintegrated ones. In the past few years, great efforts have been devoted to preventing the galvanic replacement reaction, thus creating an unconventional class of core-shell nanostructures, each containing a less-stable-metal core and a noble metal shell. These new nanostructures have been demonstrated to show unique optical and catalytic properties. In this work, we first briefly summarize the strategies for synthesizing this type of unconventional core-shell nanostructures, such as the delicately designed thermodynamic control and kinetic control methods. Then, we discuss the effects of the core-shell nanostructure on the stabilization of the core nanocrystals and the emerging optical and catalytic properties. The use of the nanostructure for creating hollow/porous nanostructures is also discussed. At the end of this review, we discuss the remaining challenges associated with this unique core-shell nanostructure and provide our perspectives on the future development of the field.
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Affiliation(s)
| | | | - Chuanbo Gao
- Frontier Institute of Science and Technology, Xi’an Jiaotong University, Xi’an 710054, China; (K.L.); (Z.Q.)
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12
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Bootharaju MS, Lee CW, Deng G, Kim H, Lee K, Lee S, Chang H, Lee S, Sung YE, Yoo JS, Zheng N, Hyeon T. Atom-Precise Heteroatom Core-Tailoring of Nanoclusters for Enhanced Solar Hydrogen Generation. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2207765. [PMID: 36773328 DOI: 10.1002/adma.202207765] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 02/07/2023] [Indexed: 05/05/2023]
Abstract
While core-shell nanomaterials are highly desirable for realizing enhanced optical and catalytic properties, their synthesis with atomic-level control is challenging. Here, the synthesis and crystal structure of [Au12 Ag32 (SePh)30 ]4- , the first example of selenolated Au-Ag core-shell nanoclusters, comprising a gold icosahedron core trapped in a silver dodecahedron, which is protected by an Ag12 (SePh)30 shell, is presented. The gold core strongly modifies the overall electronic structure and induces synergistic effects, resulting in high enhancements in the stability and near-infrared-II photoluminescence. The Au12 Ag32 and its homometal analog Ag44 , show strong interactions with oxygen vacancies of TiO2 , facilitating the interfacial charge transfer for photocatalysis. Indeed, the Au12 Ag32 /TiO2 exhibits remarkable solar H2 production (6810 µmol g-1 h-1 ), which is ≈6.2 and ≈37.8 times higher than that of Ag44 /TiO2 and TiO2 , respectively. Good stability and recyclability with minimal catalytic activity loss are additional features of Au12 Ag32 /TiO2 . The experimental and computational results reveal that the Au12 Ag32 acts as an efficient cocatalyst by possessing a favorable electronic structure that aligns well with the TiO2 bands for the enhanced separation of photoinduced charge carriers due to the relatively negatively charged Au12 core. These atomistic insights will motivate uncovering of the structure-catalytic activity relationships of other nanoclusters.
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Affiliation(s)
- Megalamane Siddaramappa Bootharaju
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul, 08826, Republic of Korea
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul, 08826, Republic of Korea
| | - Chan Woo Lee
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul, 08826, Republic of Korea
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul, 08826, Republic of Korea
| | - Guocheng Deng
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul, 08826, Republic of Korea
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul, 08826, Republic of Korea
- State Key Laboratory for Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Hyeseung Kim
- Department of Chemical Engineering, University of Seoul, Seoul, 02504, Republic of Korea
| | - Kangjae Lee
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul, 08826, Republic of Korea
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul, 08826, Republic of Korea
| | - Sanghwa Lee
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul, 08826, Republic of Korea
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul, 08826, Republic of Korea
| | - Hogeun Chang
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul, 08826, Republic of Korea
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul, 08826, Republic of Korea
| | - Seongbeom Lee
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul, 08826, Republic of Korea
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul, 08826, Republic of Korea
| | - Yung-Eun Sung
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul, 08826, Republic of Korea
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul, 08826, Republic of Korea
| | - Jong Suk Yoo
- Department of Chemical Engineering, University of Seoul, Seoul, 02504, Republic of Korea
| | - Nanfeng Zheng
- State Key Laboratory for Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Taeghwan Hyeon
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul, 08826, Republic of Korea
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul, 08826, Republic of Korea
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13
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Cheng H, Wang C, Qin D, Xia Y. Galvanic Replacement Synthesis of Metal Nanostructures: Bridging the Gap between Chemical and Electrochemical Approaches. Acc Chem Res 2023; 56:900-909. [PMID: 36966410 PMCID: PMC10077583 DOI: 10.1021/acs.accounts.3c00067] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/27/2023]
Abstract
ConspectusGalvanic replacement synthesis involves oxidation and dissolution of atoms from a substrate while the salt precursor to another material with a higher reduction potential is reduced and deposited on the substrate. The driving force or spontaneity of such a synthesis comes from the difference in reduction potential between the redox pairs involved. Both bulk and micro/nanostructured materials have been explored as substrates for galvanic replacement synthesis. The use of micro/nanostructured materials can significantly increase the surface area, offering immediate advantages over the conventional electrosynthesis. The micro/nanostructured materials can also be intimately mixed with the salt precursor in a solution phase, resembling the setting of a typical chemical synthesis. The reduced material tends to be directly deposited on the surface of the substrate, just like the situation in an electrosynthesis. Different from an electrosynthesis where the two electrodes are spatially separated by an electrolyte solution, the cathodes and anodes are situated on the same surface, albeit at different sites, even for a micro/nanostructured substrate. Since the oxidation and dissolution reactions occur at sites different from those for reduction and deposition reactions, one can control the growth pattern of the newly deposited atoms on the same surface of a substrate to access nanostructured materials with diverse and controllable compositions, shapes, and morphologies in a single step. Galvanic replacement synthesis has been successfully applied to different types of substrates, including those made of crystalline and amorphous materials, as well as metallic and nonmetallic materials. Depending on the substrate involved, the deposited material can take different nucleation and growth patterns, resulting in diverse but well-controlled nanomaterials sought for a variety of studies and applications.In this Account, we recapitulate our efforts over the past two decades in fabricating metal nanostructures for a broad range of applications by leveraging the unique capability of galvanic replacement synthesis. We begin with a brief introduction to the fundamentals of galvanic replacement between metal nanocrystals and salt precursors, followed by a discussion of the roles played by surface capping agents in achieving site-selected carving and deposition for the fabrication of various bimetallic nanostructures. Two examples based on the Ag-Au and Pd-Pt systems are selected to illustrate the concept and mechanism. We then highlight our recent work on the galvanic replacement synthesis involving nonmetallic substrates, with a focus on the protocol, mechanistic understanding, and experimental control for the fabrication of Au- and Pt-based nanostructures with tunable morphologies. Finally, we showcase the unique properties and applications of nanostructured materials derived from galvanic replacement reactions for biomedicine and catalysis. We also offer some perspectives on the challenges and opportunities in this emerging field of research.
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Affiliation(s)
- Haoyan Cheng
- School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang 471023, P. R. China
| | - Chenxiao Wang
- School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - Dong Qin
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - Younan Xia
- School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, Georgia 30332, United States
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14
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Sundarapandi M, Shanmugam S, Ramaraj R. Synthesis of Different Nano‐layer Shells (Mono‐, Bi‐, and Alloy Layers)‐Coated Gold Spherical Nanoparticles Core for Catalysis. ChemistrySelect 2023. [DOI: 10.1002/slct.202203389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/15/2023]
Affiliation(s)
- Manickam Sundarapandi
- School of Chemistry, Centre for Photoelectrochemistry Madurai Kamaraj University Madurai 625021 India
| | - Sivakumar Shanmugam
- Department of Organic Chemistry, School of Chemistry Madurai Kamaraj University Madurai 625021 India
| | - Ramasamy Ramaraj
- School of Chemistry, Centre for Photoelectrochemistry Madurai Kamaraj University Madurai 625021 India
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15
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Guo K, Han X, Wei S, Bao J, Lin Y, Li Y, Xu D. Functional Surfactant-Induced Long-Range Compressive Strain in Curved Ultrathin Nanodendrites Boosts Electrocatalysis. NANO LETTERS 2023; 23:1085-1092. [PMID: 36649599 DOI: 10.1021/acs.nanolett.2c04729] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Curved ultrathin PtPd nanodendrites (CNDs) with long-range compressive strain and highly branched feature are first prepared by a functional surfactant-induced strategy. Precise synthesis realized the construction of both curved and flat PtPd nanodendrites (NDs) with the same atomic ratio, which contributed to exploration of the strain effect on electrocatalytic performance alone. Abundant evidence is provided to confirm that the long-range compressive strain in curved PtPd architectures can effectively tailor the local coordination environment of active sites, lower the position of the d-band center, weaken the adsorption energy of the intermediates (e.g., H* and CO*), and ultimately increase their intrinsic activity. The density functional theory (DFT) calculations further reveal that the introduction of compressive strain weakens the Gibbs free-energy of the intermediate (ΔGH*), which is favorable for accelerating the hydrogen evolution reaction (HER) kinetics. A similar enhanced electrocatalytic performance can also be found in the methanol oxidation reaction (MOR).
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Affiliation(s)
- Ke Guo
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, Jiangsu 210023, China
| | - Xiao Han
- Center of Advanced Nanocatalysis (CAN), Department of Applied Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Shuya Wei
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, Jiangsu 210023, China
| | - Jianchun Bao
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, Jiangsu 210023, China
| | - Yue Lin
- Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Yafei Li
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, Jiangsu 210023, China
| | - Dongdong Xu
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, Jiangsu 210023, China
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16
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Guo H, Liu Y, Dong H, Zong W, Chu K, Li W, Fan Z, He G, Miao YE, Parkin IP, Lai F, Liu T. Soluble porous organic cages as homogenizers and electron-acceptors for homogenization of heterogeneous alloy nanoparticle catalysts with enhanced catalytic activity. Sci Bull (Beijing) 2022; 67:2428-2437. [PMID: 36566066 DOI: 10.1016/j.scib.2022.11.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 09/25/2022] [Accepted: 10/09/2022] [Indexed: 11/16/2022]
Abstract
The creation of ultrafine alloy nanoparticles (<5 nm) that can maintain surface activity and avoid aggregation for heterogeneous catalysis has received much attention and is extremely challenging. Here, ultrafine PtRh alloy nanoparticles imprisoned by the cavities of reduced chiral covalent imine cage (PtRh@RCC3) are prepared successfully by an organic molecular cage (OMC) confinement strategy, while the soluble RCC3 can act as a homogenizer to homogenize the heterogeneous PtRh alloy in solution. Moreover, the X-ray absorption near-edge structure (XANES) results show that the RCC3 can act as an electron-acceptor to withdraw electrons from Pt, leading to the formation of higher valence Pt atoms, which is beneficial to improving the catalytic activity for the reduction of 4-nitrophenol. Attributed to the synergistic effect of Pt/Rh atoms and the unique function of the RCC3, the reaction rate constants of Pt1Rh16@RCC3 are 49.6, 8.2, and 5.5 times than those of the Pt1Rh16 bulk, Pt@RCC3 and Rh@RCC3, respectively. This work provides a feasible strategy to homogenize heterogeneous alloy nanoparticle catalysts in solution, showing huge potential for advanced catalytic application.
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Affiliation(s)
- Hele Guo
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, International Joint Research Laboratory for Nano Energy Composites, Jiangnan University, Wuxi 214122, China; State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China; Department of Chemistry, KU Leuven, Leuven 3001, Belgium
| | - Yali Liu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Hongliang Dong
- Center for High Pressure Science and Technology Advanced Research, Shanghai 201203, China.
| | - Wei Zong
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China; Christopher Ingold Laboratory, Department of Chemistry, University College London, London WC1H 0AJ, UK
| | - Kaibin Chu
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, International Joint Research Laboratory for Nano Energy Composites, Jiangnan University, Wuxi 214122, China; Department of Chemistry, KU Leuven, Leuven 3001, Belgium
| | - Weiwei Li
- Center for High Pressure Science and Technology Advanced Research, Shanghai 201203, China
| | - Zhongli Fan
- Center for High Pressure Science and Technology Advanced Research, Shanghai 201203, China
| | - Guanjie He
- Department of Chemical Engineering, University College London, London WC1E 7JE, UK
| | - Yue-E Miao
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Ivan P Parkin
- Christopher Ingold Laboratory, Department of Chemistry, University College London, London WC1H 0AJ, UK
| | - Feili Lai
- Department of Chemistry, KU Leuven, Leuven 3001, Belgium; Department of Molecular Spectroscopy, Max Planck Institute for Polymer Research, Mainz 55128, Germany.
| | - Tianxi Liu
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, International Joint Research Laboratory for Nano Energy Composites, Jiangnan University, Wuxi 214122, China.
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17
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Wu T, Hu J, Wan Y, Qu X, Zheng S. Synergistic effects boost electrocatalytic reduction of bromate on supported bimetallic Ru-Cu catalyst. JOURNAL OF HAZARDOUS MATERIALS 2022; 438:129551. [PMID: 35999744 DOI: 10.1016/j.jhazmat.2022.129551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 06/25/2022] [Accepted: 07/05/2022] [Indexed: 06/15/2023]
Abstract
Bromate is a commonly identified carcinogenic and genotoxic disinfection byproduct in water. In the present work, bimetallic Ru-Cu catalyst supported on carbon nanotube (RuCu/CNT) was prepared and the structural properties of the catalysts were characterized. The results show that the presence of Ru enhances the dispersion and reduction of Cu particles in the RuCu/CNT catalyst in comparison with the monometallic Cu catalyst supported on CNT (Cu/CNT). For electrocatalytic reaction on Cu/CNT, bromate is reduced on metallic Cu surface via a redox process. For Ru/CNT, highly active H* radicals are generated on metallic Ru surface via the Volmer process and are used for bromate reduction. As for the RuCu/CNT, bromate is reduced through two main pathways, including direct redox reaction on metallic Cu and indirect reduction by active H* radicals on Ru surface. Accordingly, RuCu/CNT exhibits the highest catalytic activity, ascribed to the synergistic effect between metallic Ru and Cu. Furthermore, the bimetallic catalyst displays much higher catalytic efficiency as compared with previously reported results. The pH, initial bromate concentration, in-situ electrochemical reduction of the electrodes and working potential have strong impacts on the removal efficiency of bromate on RuCu/CNT.
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Affiliation(s)
- Tianyi Wu
- State Key Laboratory of Pollution Control and resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China
| | - Jiajia Hu
- State Key Laboratory of Pollution Control and resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China
| | - Yuqiu Wan
- State Key Laboratory of Pollution Control and resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China
| | - Xiaolei Qu
- State Key Laboratory of Pollution Control and resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China
| | - Shourong Zheng
- State Key Laboratory of Pollution Control and resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China.
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18
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Zhuang S, Chen D, Fan W, Yuan J, Liao L, Zhao Y, Li J, Deng H, Yang J, Yang J, Wu Z. Single-Atom-Kernelled Nanocluster Catalyst. NANO LETTERS 2022; 22:7144-7150. [PMID: 35868014 DOI: 10.1021/acs.nanolett.2c02290] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
To propose the concept of single-atom-kernelled nanocluster, we synthesized a Pd-based trimetal nanocluster with a single-Ag atom-kernel for the first time by introducing some steric hindrance factors and employing a joint alloying strategy that combines the coreduction with an antigalvanic reduction (AGR). Although the AGR-derived Pd-based trimetal nanoclusters with single-silver atom kernels have low contents of gold, they show higher activity and selectivity than those of the bimetal precursor nanocluster in the electrocatalytical reduction of CO2 to CO. Furthermore, it is revealed that the kernel single atoms from both Au4Pd6(TBBT)12 and Au3AgPd6(TBBT)12 are not the active sites for catalysis, but greatly influence the catalytical performance by effecting the electronic configuration. Thus, it is demonstrated that the single-atom-kernelled nanocluster can not only improve the precious metal utilization (even to 100%) but also better the properties and provide insight into the structure-property correlation for metal nanoclusters.
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Affiliation(s)
- Shengli Zhuang
- Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, P.R. China
- Institute of Physical Science and Information Technology, Anhui University, Hefei 230601, P.R. China
| | - Dong Chen
- State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, P.R. China
| | - Wentao Fan
- Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, P.R. China
- Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, P.R. China
| | - Jinyun Yuan
- Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, P.R. China
| | - Lingwen Liao
- Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, P.R. China
- Institute of Physical Science and Information Technology, Anhui University, Hefei 230601, P.R. China
| | - Yan Zhao
- Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, P.R. China
- Institute of Physical Science and Information Technology, Anhui University, Hefei 230601, P.R. China
| | - Jin Li
- Tsinghua University-Peking University Joint Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing 100084, P.R. China
| | - Haiteng Deng
- MOE Key Laboratory of Bioinformatics, School of Life Sciences, Tsinghua University, Beijing 100084, P.R. China
| | - Jun Yang
- State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, P.R. China
| | - Jinlong Yang
- Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, P.R. China
| | - Zhikun Wu
- Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, P.R. China
- Institute of Physical Science and Information Technology, Anhui University, Hefei 230601, P.R. China
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19
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Saha P, Akter R, Shah SS, Mahfoz W, Aziz MA, Ahammad AJS. Gold Nanomaterials and their Composites as Electrochemical Sensing Platforms for Nitrite Detection. Chem Asian J 2022; 17:e202200823. [PMID: 36039466 DOI: 10.1002/asia.202200823] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Revised: 08/29/2022] [Indexed: 02/01/2023]
Abstract
Nitrite is one of the abundant toxic components existing in the environment and is likely to have a great potential to affect human health badly. For that reason, it has become crucial to build a reliable nitrite detection method. In recent years, several nitrite monitoring systems have been proposed. Compared with traditional analytical strategies, the electrochemical approach has a bunch of advantages, including low cost, rapid response, easy operation, simplicity, etc. In this case, noble metal nanomaterials, especially Au-based nanomaterials, have attracted attention in electrode modification because of higher catalytic activity, facile mass transfer, and broad active area for determining nitrite. This review is based on the state-of-the-art, which includes a variety of nanomaterials that have been coupled with AuNPs for the creation of nanocomposites, and the construction as well as development of electrochemical sensors for nitrite detection over the last few years (2016-2022). A background study on synthesizing different morphological AuNPs and nanocomposites has also been introduced. The fabrication methods and sensing capabilities of modified electrodes are given special consideration.
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Affiliation(s)
- Protity Saha
- Jagannath University, Chemistry, Department of Chemistry, 1100, BANGLADESH
| | - Riva Akter
- Jagannath University, Chemistry, Department of Chemistry, 1100, BANGLADESH
| | - Syed Shaheen Shah
- King Fahd University of Petroleum & Minerals, Physics Department, Building 6, 31261, Dhahran, SAUDI ARABIA
| | - Wael Mahfoz
- King Fahd University of Petroleum & Minerals, Chemistry, Chemistry Department, 31261, Dhahran, SAUDI ARABIA
| | - Md Abdul Aziz
- King Fahd University of Petroleum & Minerals, Center of Research excellence in Nanotechnology, KFUPM Box # 81, 31261, Dhahran, SAUDI ARABIA
| | - A J Saleh Ahammad
- Jagannath University, Chemistry, Department of Chemistry, 1100, BANGLADESH
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20
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Lu X, Wang H, He Y. Controllable Synthesis of
Silicon‐Based
Nanohybrids for Reliable
Surface‐Enhanced
Raman Scattering Sensing. CHINESE J CHEM 2022. [DOI: 10.1002/cjoc.202100716] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Xing Lu
- Suzhou Key Laboratory of Nanotechnology and Biomedicine, Institute of Functional Nano & Soft Materials (FUNSOM) Soochow University Suzhou Jiangsu 215123 China
| | - Houyu Wang
- Suzhou Key Laboratory of Nanotechnology and Biomedicine, Institute of Functional Nano & Soft Materials (FUNSOM) Soochow University Suzhou Jiangsu 215123 China
| | - Yao He
- Suzhou Key Laboratory of Nanotechnology and Biomedicine, Institute of Functional Nano & Soft Materials (FUNSOM) Soochow University Suzhou Jiangsu 215123 China
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21
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Peroxidase-mimicking nanozyme with surface-dispersed Pt atoms for the colorimetric lateral flow immunoassay of C-reactive protein. Mikrochim Acta 2021; 188:309. [PMID: 34453188 DOI: 10.1007/s00604-021-04968-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 07/30/2021] [Indexed: 02/06/2023]
Abstract
Platinum-containing nanozymes with peroxidase-mimicking activity (PMA) have found a broad application in bioanalytical methods and are potentially able to compete with enzymes as the labels. However, traditionally used methods for the synthesis of nanozymes result in only a small fraction of surface-exposed Pt atoms, which participate in catalysis. To overcome this limitation, we propose a new approach for the synthesis of nanozymes with the efficient dispersion of Pt atoms on particles' surfaces. The synthesis of nanozymes includes three steps: the synthesis of gold nanoparticles (Au NPs), the overgrowth of a silver layer over Au NPs (Au@Ag NPs, 6 types of NPs with different thicknesses of Ag shell), and the galvanic replacement of silver with PtCl62- leading to the formation of trimetallic Au@Ag-Pt NPs with uniformly deposited catalytic sites and high Pt-utilization efficiency. Au@Ag-Pt NPs (23 types of NPs with different concentrations of Pt) with various sizes, morphology, optical properties, and PMA were synthesized and comparatively tested. Using energy-dispersive spectroscopy mapping, we confirm the formation of core@shell Au@Ag NPs and dispersion of surface-exposed Pt. The selected Au@Ag-Pt NPs were conjugated with monoclonal antibodies and used as the colorimetric and catalytic labels in lateral flow immunoassay of the inflammation biomarker: C-reactive protein (CRP). The colorimetric signal enhancement was achieved by the oxidation of 3,3'-diaminobenzidine by H2O2 catalyzed by Au@Ag-Pt NPs directly on the test strip. The use of Au@Ag-Pt NPs as the catalytic label produces a 65-fold lower limit of CRP detection in serum (15 pg mL-1) compared with Au NPs and ensures the lowest limit of detection for equipment-free lateral flow immunoassays. The assay shows a high correlation with data of enzyme-linked immunosorbent assay (R2 = 0.986) and high recovery (83.7-116.2%) in serum and plasma. The assay retains all the benefits of lateral flow immunoassay as a point-of-care method.
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Ramos RCR, Regulacio MD. Controllable Synthesis of Bimetallic Nanostructures Using Biogenic Reagents: A Green Perspective. ACS OMEGA 2021; 6:7212-7228. [PMID: 33778236 PMCID: PMC7992060 DOI: 10.1021/acsomega.1c00692] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Accepted: 03/01/2021] [Indexed: 05/17/2023]
Abstract
Bimetallic nanostructures are emerging as a significant class of metal nanomaterials due to their exceptional properties that are useful in various areas of science and technology. When used for catalysis and sensing applications, bimetallic nanostructures have been noted to exhibit better performance relative to their monometallic counterparts owing to synergistic effects. Furthermore, their dual metal composition and configuration can be modulated to achieve optimal activity for the desired functions. However, as with other nanostructured metals, bimetallic nanostructures are usually prepared through wet chemical routes that involve the use of harsh reducing agents and hazardous stabilizing agents. In response to intensifying concerns over the toxicity of chemicals used in nanomaterial synthesis, the scientific community has increasingly turned its attention toward environmentally and biologically compatible reagents that can enable green and sustainable nanofabrication processes. This article aims to provide an evaluation of the green synthetic methods of constructing bimetallic nanostructures, with emphasis on the use of biogenic resources (e.g., plant extracts, DNA, proteins) as safe and practical reagents. Special attention is devoted to biogenic synthetic protocols that demonstrate controllable nanoscale features, such as size, composition, morphology, and configuration. The potential use of these biogenically prepared bimetallic nanostructures as catalysts and sensors is also discussed. It is hoped that this article will serve as a valuable reference on bimetallic nanostructures and will help fuel new ideas for the development of more eco-friendly strategies for the controllable synthesis of various types of nanostructured bimetallic systems.
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Affiliation(s)
- Rufus
Mart Ceasar R. Ramos
- Natural
Sciences Research Institute, University
of the Philippines Diliman, Quezon City 1101, Philippines
| | - Michelle D. Regulacio
- Natural
Sciences Research Institute, University
of the Philippines Diliman, Quezon City 1101, Philippines
- Institute
of Chemistry, University of the Philippines
Diliman, Quezon
City 1101, Philippines
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23
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Suebsom P, Phuruangrat A, Thongtem S, Thongtem T. Enhanced photocatalytic properties of Bi2MoO6 nanoplates deposited with intermetallic AgPd nanoparticles by photoreduction method. RESEARCH ON CHEMICAL INTERMEDIATES 2021. [DOI: 10.1007/s11164-021-04417-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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24
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Duan Y, Ma Y, Xie Y, Li D, Deng D, Zhang C, Yang Y. Preparation of PdAuCu/C as a Highly Active Catalyst for the Reduction of 4‐Nitrophenol by Controlling the Deposition of Noble Metals. Chem Asian J 2020. [DOI: 10.1002/asia.202001241] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Ying Duan
- Henan Key Laboratory of Function-Oriented Porous Material, College of Chemistry and Chemical Engineering Luoyang Normal University Luoyang 471934 P. R. China
- College of Food and Drug Luoyang Normal University Luoyang 471934 P. R. China
| | - Yangyang Ma
- College of Food Science and Technology Henan Agricultural University No.95 Wenhua Road Zhengzhou 450002 P. R. China
| | - Yanfu Xie
- College of Food and Drug Luoyang Normal University Luoyang 471934 P. R. China
| | - Dongmi Li
- Henan Key Laboratory of Function-Oriented Porous Material, College of Chemistry and Chemical Engineering Luoyang Normal University Luoyang 471934 P. R. China
| | - Dongsheng Deng
- Henan Key Laboratory of Function-Oriented Porous Material, College of Chemistry and Chemical Engineering Luoyang Normal University Luoyang 471934 P. R. China
| | - Chi Zhang
- Henan Key Laboratory of Function-Oriented Porous Material, College of Chemistry and Chemical Engineering Luoyang Normal University Luoyang 471934 P. R. China
| | - Yanliang Yang
- Henan Key Laboratory of Function-Oriented Porous Material, College of Chemistry and Chemical Engineering Luoyang Normal University Luoyang 471934 P. R. China
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25
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Pattadar DK, Masitas RA, Stachurski CD, Cliffel DE, Zamborini FP. Reversing the Thermodynamics of Galvanic Replacement Reactions by Decreasing the Size of Gold Nanoparticles. J Am Chem Soc 2020; 142:19268-19277. [PMID: 33140961 DOI: 10.1021/jacs.0c09426] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Here, we describe the surprising reactivity between surface-attached (a) 0.9, 1.6, and 4.1 nm diameter weakly stabilized Au nanoparticles (NPs) and aqueous 1.0 × 10-4 M Ag+ solution, and (b) 1.6 and 4.1 nm diameter weakly stabilized Au NPs and aqueous 1.0 × 10-5 M PtCl42-, which are considered to be antigalvanic replacement (AGR) reactions because they are not thermodynamically favorable for bulk-sized Au under these conditions. Anodic Stripping Voltammetry (ASV) and Scanning Transmission Electron Microscopy with Energy-Dispersive X-ray Spectroscopy (STEM-EDS) mapping provide quantitation of the extent of Ag and Pt replacement as a function of Au NP diameter. The extent of the reaction increases as the Au NP size decreases. The percentage of Ag in the AuAg alloy following AGR based on ASV is 17.8 ± 0.6% for 4.1 nm diameter Au NPs, 87.2 ± 2.9% for 1.6 nm Au NPs, and an unprecedented full 100% Ag for 0.9 nm diameter Au NPs. STEM-EDS mapping shows very close agreement with the ASV-determined compositions. In the case of PtCl42-, STEM-EDS mapping shows AuPt alloy NPs with 3.9 ± 1.3% and 41.1 ± 8.7% Pt following replacement with 4.1 and 1.6 nm diameter Au NPs, respectively, consistent with qualitative changes to the ASV. The size-dependent AGR correlates well with the negative shift in the standard potential (E0) for Au oxidation with decreasing NP size.
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Affiliation(s)
- Dhruba K Pattadar
- Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Rafael A Masitas
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306, United States
| | | | - David E Cliffel
- Department of Chemistry, Vanderbilt University, Nashville, Tennessee 37235-1822, United States
| | - Francis P Zamborini
- Department of Chemistry, University of Louisville, Louisville, Kentucky 40292, United States
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26
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Li N, Liu X. A comparison of the catalytic efficiency of copper-based bimetallic nanoparticles in the click reactions. JOURNAL OF CHEMICAL RESEARCH 2020. [DOI: 10.1177/1747519820912672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Compared to monometallic nanoparticles, bimetallic nanoparticles have attracted wide attention due to their physical properties, excellent catalytic activity, high regioselectivity, selectivity, and stability. Here, we have first synthesized 10 different kinds of graphene quantum dot–stabilized Cu-based bimetallic nanoparticles (including CoCu, NiCu, RuCu, RhCu, PdCu, AgCu, IrCu, AuCu, FeCu, and PtCu) and compared their catalytic activities in a CuAAC click reaction. Among them, RhCu provides the highest yield of the desired product in the click reaction (77%). The catalytic activity of these MCu in the click reaction is in the order: RhCu > PdCu > AuCu > CoCu > PtCu > AgCu > NiCu > CuNP > RuCu > FeCu > IrCu.
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Affiliation(s)
- Ning Li
- College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, Material Analysis and Testing Center, China Three Gorges University, Yichang, P.R. China
| | - Xiang Liu
- College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, Material Analysis and Testing Center, China Three Gorges University, Yichang, P.R. China
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27
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Kwon T, Jun M, Lee K. Catalytic Nanoframes and Beyond. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e2001345. [PMID: 32633878 DOI: 10.1002/adma.202001345] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 04/01/2020] [Accepted: 04/09/2020] [Indexed: 06/11/2023]
Abstract
The ever-increasing need for the production and expenditure of sustainable energy is a result of the astonishing rate of consumption of fossil fuels and the accompanying environmental problems. Emphasis is being directed to the generation of sustainable energy by the fuel cell and water splitting technologies. Accordingly, the development of highly efficient electrocatalysts has attracted significant interest, as the fuel cell and water splitting technologies are critically dependent on their performance. Among numerous catalyst designs under investigation, nanoframe catalysts have an intrinsically large surface area per volume and a tunable composition, which impacts the number of catalytically active sites and their intrinsic catalytic activity, respectively. Nevertheless, the structural integrity of the nanoframe during electrochemical operation is an ongoing concern. Some significant advances in the field of nanoframe catalysts have been recently accomplished, specifically geared to resolving the catalytic stability concerns and significantly boosting the intrinsic catalytic activity of the active sites. Herein, general synthetic concepts of nanoframe structures and their structure-dependent catalytic performance are summarized, along with recent notable advances in this field. A discussion on the remaining challenges and future directions, addressing the limitations of nanoframe catalysts, are also provided.
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Affiliation(s)
- Taehyun Kwon
- Department of Chemistry and Research Institute for Natural Sciences, Korea University, Seoul, 02841, Republic of Korea
| | - Minki Jun
- Department of Chemistry and Research Institute for Natural Sciences, Korea University, Seoul, 02841, Republic of Korea
| | - Kwangyeol Lee
- Department of Chemistry and Research Institute for Natural Sciences, Korea University, Seoul, 02841, Republic of Korea
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28
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Wong PM, Juan JC, Lai JC, Lim TH. Galvanic Replacement-Enabled Synthesis of In(OH) 3/Ag/C Nanocomposite as an Effective Photocatalyst for Ultraviolet C Degradation of Methylene Blue. ACS OMEGA 2020; 5:13719-13728. [PMID: 32566837 PMCID: PMC7301362 DOI: 10.1021/acsomega.0c00881] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Accepted: 05/21/2020] [Indexed: 06/11/2023]
Abstract
Sub-10 nm indium metal nanoparticles (In NPs) stabilized on conductive carbon were reacted with silver nitrate in dark conditions in water at room temperature in a galvanic replacement manner to produce an indium hydroxide/silver/carbon nanocomposite (In(OH)3/Ag/C). The chosen carbon imparted colloidal stability, high surface area, and water dispersibility suitable for photodegradation of harmful dyes in water. The size and shape of indium hydroxide and silver nanoparticles produced were found to be 6.6 ± 0.9 nm, similar to that of the In NPs that were started with. The nanocomposite was characterized by transmission electron microscopy, energy dispersive X-ray spectroscopy, powder X-ray diffraction, and thermogravimetric analysis. The galvanic reaction between In NPs and silver nitrate was tracked with UV-vis spectroscopy in a control experiment without a carbon substrate to confirm that the reaction was indeed thermodynamically spontaneous as indicated by the positive electromotive force (EMF) of +1.14 V calculated for In/Ag+ redox couple. The photocatalytic performance of the nanocomposite was evaluated to be approximately 90% under UVC radiation when 10 ppm of methylene blue and 13 wt % of indium hydroxide/silver loading on carbon were used.
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Affiliation(s)
- Pui Munn Wong
- Department
of Physical Science, Faculty of Applied Sciences, Tunku Abdul Rahman University College, Jalan Genting Kelang, Setapak, Kuala Lumpur 53300, Malaysia
| | - Joon Ching Juan
- Nanotechnology
& Catalysis Research Centre (NANOCAT), Level 3, IPS Building, University of Malaya, 50603 Kuala Lumpur, Malaysia
| | - Jau Choy Lai
- Department
of Bioprocess and Polymer Engineering, School of Chemical & Energy
Engineering, Universiti Teknologi Malaysia, Skudai 81310, Malaysia
| | - Teck Hock Lim
- Department
of Physical Science, Faculty of Applied Sciences, Tunku Abdul Rahman University College, Jalan Genting Kelang, Setapak, Kuala Lumpur 53300, Malaysia
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29
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Bhol P, Bhavya MB, Swain S, Saxena M, Samal AK. Modern Chemical Routes for the Controlled Synthesis of Anisotropic Bimetallic Nanostructures and Their Application in Catalysis. Front Chem 2020; 8:357. [PMID: 32528924 PMCID: PMC7262677 DOI: 10.3389/fchem.2020.00357] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Accepted: 04/07/2020] [Indexed: 12/18/2022] Open
Abstract
Bimetallic nanoparticles (BNPs) have attracted greater attention compared to its monometallic counterpart because of their chemical/physical properties. The BNPs have a wide range of applications in the fields of health, energy, water, and environment. These properties could be tuned with a number of parameters such as compositions of the bimetallic systems, their preparation method, and morphology. Monodisperse and anisotropic BNPs have gained considerable interest and numerous efforts have been made for the controlled synthesis of bimetallic nanostructures (BNS) of different sizes and shapes. This review offers a brief summary of the various synthetic routes adopted for the synthesis of Palladium(Pd), Platinum(Pt), Nickel(Ni), Gold(Au), Silver(Ag), Iron(Fe), Cobalt(Co), Rhodium(Rh), and Copper(Cu) based transition metal bimetallic anisotropic nanostructures, growth mechanisms e.g., seed mediated co-reduction, hydrothermal, galvanic replacement reactions, and antigalvanic reaction, and their application in the field of catalysis. The effect of surfactant, reducing agent, metal precursors ratio, pH, and reaction temperature for the synthesis of anisotropic nanostructures has been explained with examples. This review further discusses how slight modifications in one of the parameters could alter the growth mechanism, resulting in different anisotropic nanostructures which highly influence the catalytic activity. The progress or modification implied in the synthesis techniques within recent years is focused on in this article. Furthermore, this article discussed the improved activity, stability, and catalytic performance of BNS compared to the monometallic performance. The synthetic strategies reported here established a deeper understanding of the mechanisms and development of sophisticated and controlled BNS for widespread application.
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Affiliation(s)
- Prangya Bhol
- Centre for Nano and Material Sciences, Jain Global Campus, Jain University, Ramanagara, India
| | - M B Bhavya
- Centre for Nano and Material Sciences, Jain Global Campus, Jain University, Ramanagara, India
| | - Swarnalata Swain
- Centre for Nano and Material Sciences, Jain Global Campus, Jain University, Ramanagara, India
| | - Manav Saxena
- Centre for Nano and Material Sciences, Jain Global Campus, Jain University, Ramanagara, India
| | - Akshaya K Samal
- Centre for Nano and Material Sciences, Jain Global Campus, Jain University, Ramanagara, India
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30
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Li N, Chen W, Shen J, Chen S, Liu X. Synthesis of graphene quantum dots stabilized bimetallic AgRh nanoparticles and their applications. Inorganica Chim Acta 2019. [DOI: 10.1016/j.ica.2019.119031] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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31
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Sun L, Shen K, Sheng H, Yun Y, Song Y, Pan D, Du Y, Yu H, Chen M, Zhu M. Au-Ag synergistic effect in CF3-ketone alkynylation catalyzed by precise nanoclusters. J Catal 2019. [DOI: 10.1016/j.jcat.2019.08.043] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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32
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Li N, Liu X. Synthesis of Dendrimer‐Stabilized Au Nanoparticles and Their Application in the Generation of Hydroxyl Radicals. ChemistrySelect 2019. [DOI: 10.1002/slct.201902195] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Ning Li
- College of Materials and Chemical EngineeringKey Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion MaterialsMaterial Analysis and Testing Center, China Three Gorges University, Yichang Hubei 443002 China
| | - Xiang Liu
- College of Materials and Chemical EngineeringKey Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion MaterialsMaterial Analysis and Testing Center, China Three Gorges University, Yichang Hubei 443002 China
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33
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Yan J, Liu G, Li N, Zhang N, Liu X. Porphyrin‐Stabilized Transition Metal Nanoparticles and Their Applications in the Reduction of 4‐Nitrophenol and the Generation of Hydroxyl Radicals. Eur J Inorg Chem 2019. [DOI: 10.1002/ejic.201900172] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Jiaying Yan
- College of Materials and Chemical Engineering Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials China Three Gorges University 443002 Yichang Hubei China
- State Key Laboratory of Coordination Chemistry Nanjing University 210093 Nanjing Jiangsu P.R. China
| | - Genjiang Liu
- College of Materials and Chemical Engineering Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials China Three Gorges University 443002 Yichang Hubei China
| | - Ning Li
- College of Materials and Chemical Engineering Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials China Three Gorges University 443002 Yichang Hubei China
| | - Nuonuo Zhang
- College of Materials and Chemical Engineering Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials China Three Gorges University 443002 Yichang Hubei China
| | - Xiang Liu
- College of Materials and Chemical Engineering Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials China Three Gorges University 443002 Yichang Hubei China
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34
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Zhang W, Zhuang S, Liao L, Dong H, Xia N, Li J, Deng H, Wu Z. Two-Way Alloying and Dealloying of Cadmium in Metalloid Gold Clusters. Inorg Chem 2019; 58:5388-5392. [DOI: 10.1021/acs.inorgchem.9b00125] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Wenhao Zhang
- Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei, Anhui 230031, P. R. China
- University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
- Institute of Physical Science and Information Technology, Anhui University, Hefei, Anhui 230026, P. R. China
| | - Shengli Zhuang
- Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei, Anhui 230031, P. R. China
- Institute of Physical Science and Information Technology, Anhui University, Hefei, Anhui 230026, P. R. China
| | - Lingwen Liao
- Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei, Anhui 230031, P. R. China
- Institute of Physical Science and Information Technology, Anhui University, Hefei, Anhui 230026, P. R. China
| | - Hongwei Dong
- Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei, Anhui 230031, P. R. China
- University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
- Institute of Physical Science and Information Technology, Anhui University, Hefei, Anhui 230026, P. R. China
| | - Nan Xia
- Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei, Anhui 230031, P. R. China
- Institute of Physical Science and Information Technology, Anhui University, Hefei, Anhui 230026, P. R. China
| | | | | | - Zhikun Wu
- Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei, Anhui 230031, P. R. China
- Institute of Physical Science and Information Technology, Anhui University, Hefei, Anhui 230026, P. R. China
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35
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Athukorale S, Leng X, Xu JX, Perera YR, Fitzkee NC, Zhang D. Surface Plasmon Resonance, Formation Mechanism, and Surface Enhanced Raman Spectroscopy of Ag +-Stained Gold Nanoparticles. Front Chem 2019; 7:27. [PMID: 30838197 PMCID: PMC6382679 DOI: 10.3389/fchem.2019.00027] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2018] [Accepted: 01/11/2019] [Indexed: 12/26/2022] Open
Abstract
A series of recent works have demonstrated the spontaneous Ag+ adsorption onto gold surfaces. However, a mechanistic understanding of the Ag+ interactions with gold has been controversial. Reported herein is a systematic study of the Ag+ binding to AuNPs using several in-situ and ex-situ measurement techniques. The time-resolved UV-vis measurements of the AuNP surface plasmonic resonance revealed that the silver adsorption proceeds through two parallel pseudo-first order processes with a time constant of 16(±2) and 1,000(±35) s, respectively. About 95% of the Ag+ adsorption proceeds through the fast adsorption process. The in-situ zeta potential data indicated that this fast Ag+ adsorption is driven primarily by the long-range electrostatic forces that lead to AuNP charge neutralization, while the time-dependent pH data shows that the slow Ag+ binding process involves proton-releasing reactions that must be driven by near-range interactions. These experimental data, together with the ex-situ XPS measurement indicates that adsorbed silver remains cationic, but not as a charged-neutral silver atom proposed by the anti-galvanic reaction mechanism. The surface-enhanced Raman activities of the Ag+-stained AuNPs are slightly higher than that for AuNPs, but significantly lower than that for the silver nanoparticles (AgNPs). The SERS feature of the ligands on the Ag+-stained AuNPs can differ from that on both AuNPs and AgNPs. Besides the new insights to formation mechanism, properties, and applications of the Ag+-stained AuNPs, the experimental methodology presented in this work can also be important for studying nanoparticle interfacial interactions.
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Affiliation(s)
- Sumudu Athukorale
- Department of Chemistry, Mississippi State University, Starkville, MS, United States
| | - Xue Leng
- Department of Chemistry, Chengdu University of Technology, Chengdu, China
| | - Joanna Xiuzhu Xu
- Department of Chemistry, Mississippi State University, Starkville, MS, United States
| | - Y Randika Perera
- Department of Chemistry, Mississippi State University, Starkville, MS, United States
| | - Nicholas C Fitzkee
- Department of Chemistry, Mississippi State University, Starkville, MS, United States
| | - Dongmao Zhang
- Department of Chemistry, Mississippi State University, Starkville, MS, United States.,Department of Chemistry, Xihua University, Chengdu, China
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Wang Y, Astruc D, Abd-El-Aziz AS. Metallopolymers for advanced sustainable applications. Chem Soc Rev 2019; 48:558-636. [PMID: 30506080 DOI: 10.1039/c7cs00656j] [Citation(s) in RCA: 100] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Since the development of metallopolymers, there has been tremendous interest in the applications of this type of materials. The interest in these materials stems from their potential use in industry as catalysts, biomedical agents in healthcare, energy storage and production as well as climate change mitigation. The past two decades have clearly shown exponential growth in the development of many new classes of metallopolymers that address these issues. Today, metallopolymers are considered to be at the forefront for discovering new and sustainable heterogeneous catalysts, therapeutics for drug-resistant diseases, energy storage and photovoltaics, molecular barometers and thermometers, as well as carbon dioxide sequesters. The focus of this review is to highlight the advances in design of metallopolymers with specific sustainable applications.
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Affiliation(s)
- Yanlan Wang
- Liaocheng University, Department of Chemistry and Chemical Engineering, 252059, Liaocheng, China.
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37
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Chen W, Shen J, Chen S, Yan J, Zhang N, Zheng K, Liu X. Synthesis of graphene quantum dot-stabilized gold nanoparticles and their application. RSC Adv 2019; 9:21215-21219. [PMID: 35521309 PMCID: PMC9066025 DOI: 10.1039/c9ra02758k] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Accepted: 06/26/2019] [Indexed: 01/08/2023] Open
Abstract
Herein, we report an in situ synthesis of graphene quantum dots (GQDs), which have been synthesized from only starch and water and stabilize AuNPs in water.
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Affiliation(s)
- Weifeng Chen
- College of Materials and Chemical Engineering
- Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials
- China Three Gorges University
- Yichang
- China
| | - Jialu Shen
- College of Materials and Chemical Engineering
- Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials
- China Three Gorges University
- Yichang
- China
| | - Shaona Chen
- College of Materials and Chemical Engineering
- Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials
- China Three Gorges University
- Yichang
- China
| | - Jiaying Yan
- College of Materials and Chemical Engineering
- Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials
- China Three Gorges University
- Yichang
- China
| | - Nuonuo Zhang
- College of Materials and Chemical Engineering
- Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials
- China Three Gorges University
- Yichang
- China
| | - Kaibo Zheng
- College of Materials and Chemical Engineering
- Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials
- China Three Gorges University
- Yichang
- China
| | - Xiang Liu
- College of Materials and Chemical Engineering
- Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials
- China Three Gorges University
- Yichang
- China
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Zhu D, Zuo J, Tan L, Pang H, Ma H. Enzymeless electrochemical determination of hydrogen peroxide at a heteropolyanion-based composite film electrode. NEW J CHEM 2019. [DOI: 10.1039/c8nj04570d] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
For the first time, a sensitive and efficient composite film of [PB/WV–Pt@Pd]6was constructed for H2O2detection.
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Affiliation(s)
- Di Zhu
- School of Materials Science and Engineering
- College of Chemical and Environmental Engineering
- Harbin University of Science and Technology
- Harbin 150040
- China
| | - Jingwei Zuo
- School of Materials Science and Engineering
- College of Chemical and Environmental Engineering
- Harbin University of Science and Technology
- Harbin 150040
- China
| | - Lichao Tan
- School of Materials Science and Engineering
- College of Chemical and Environmental Engineering
- Harbin University of Science and Technology
- Harbin 150040
- China
| | - Haijun Pang
- School of Materials Science and Engineering
- College of Chemical and Environmental Engineering
- Harbin University of Science and Technology
- Harbin 150040
- China
| | - Huiyuan Ma
- School of Materials Science and Engineering
- College of Chemical and Environmental Engineering
- Harbin University of Science and Technology
- Harbin 150040
- China
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Zhang H, Hu X. Biosynthesis of au nanoparticles by a marine bacterium and enhancing their catalytic activity through metal ions and metal oxides. Biotechnol Prog 2018; 35:e2727. [PMID: 30298992 DOI: 10.1002/btpr.2727] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2018] [Revised: 09/27/2018] [Accepted: 09/27/2018] [Indexed: 01/22/2023]
Abstract
The authors report that a marine Shewanella sp. CNZ-1 is capable of producing Au NPs under various conditions. Results showed that initial concentration of Au(III), pH values and electron donors affected nucleation of Au NPs by CNZ-1, resulting in different apparent color of the as-obtained bio-Au NPs, which were further characterized by UV-Vis, TEM, XRD, and XPS analyses. Mechanism studies revealed that Au(III) was first reduced to Au(I) and eventually reduced to EPS-coated Au0 NPs. FTIR and FEEM analyses revealed that some amides and humic acid-like matters were involved in the production of bio-Au NPs through CNZ-1 cells. In addition, the authors also found that the catalytic activity of bio-Au NPs for 4-nitrophenol (4-NP) reduction could be enhanced by various metal ions (Ca2+ , Cu2+ , Co2+ , Fe2+ , Fe3+ , Ni2+ , Sr2+ , and Cr3+ ) and metal oxides (Fe3 O4 , Al2 O3 , and SiO2 ), which is beneficial for their further practical application. The maximum zero-order rate constant k 1 and first-order rate constant k2 of all metal ions/oxides supplemented systems can reach 99.65 mg/(L. min) and 2.419 min-1 , which are 11.3- and 12.6-fold higher than that of control systems, respectively. © 2018 American Institute of Chemical Engineers Biotechnol. Prog., 35: e2727, 2019.
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Affiliation(s)
- Haikun Zhang
- Yantai Institute of Costal Zone Research, Chinese Academy of Sciences, Yantai, 264000, China.,Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Xiaoke Hu
- Yantai Institute of Costal Zone Research, Chinese Academy of Sciences, Yantai, 264000, China.,Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
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40
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Abstract
Among many outstanding findings associated with the quantum size effect, one of the most exciting is the discovery of the antigalvanic reaction (AGR), which is the opposite of the classic galvanic reaction (GR) that has a history of nearly 240 years. The GR, named after Italian scientist Luigi Galvani, involves the spontaneous reduction of a noble-metal cation by a less noble metal in solution driven by the difference in electrochemical potentials. Classic galvanic reduction has been widely applied and has recently received particular interest in nanoscience and nanotechnology. However, the opposite of GR, that is, reduction of metal ions by less reactive (or more noble) metals, has long been regarded as a virtual impossibility until the recent surprising findings regarding atomically precise ultrasmall metal nanoparticles (nanoclusters), which bridge the gap between metal atoms (complexes) and metal nanocrystals and provide opportunities for novel scientific findings due to their well-defined compositions and structures. The AGR is significant not only because it is the opposite of the classic galvanic theory but also because it opens extensive applications in a large range of fields, such as sensing and tuning the compositions, structures, and properties of nanostructures that are otherwise difficult to obtain. Starting with the proposal of the general AGR concept in 2012 by Wu, a new era began, in which AGR received widespread attention and was extensively studied. After years of effort, great advances have been achieved in the research on AGR, which will be reviewed below. In this Account, we first provide a short introduction to the AGR concept and then discuss the driving force of the AGR together with the effecting factors, including the ligand, particle size, solvent, metal ion precursor, and ion dose. Subsequently, the application of the AGR in engineering atomically precise alloy (bimetallic and trimetallic) and monometallic nanoclusters is described, and tuning the properties of the parent nanoclusters is also included. In particular, four alloying modes (namely, (i) addition, (ii) replacement, (iii) replacement and structural transformation, and (iv) nonreplacement and structural transformation) associated with the AGR are discussed. After that, the applications of the AGR in metal ion sensing and antioxidation are reviewed. Finally, future prospects are discussed, and some challenging issues are presented at the end of this Account. It is expected that this Account will stimulate more scientific and technological interests in the AGR, and exciting progress in the understanding and application of the AGR will be made in the coming years.
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Affiliation(s)
- Zibao Gan
- Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, China
- Institute of Physical Science and Information Technology, Anhui University, Hefei 230601, China
| | - Nan Xia
- Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, China
- Institute of Physical Science and Information Technology, Anhui University, Hefei 230601, China
| | - Zhikun Wu
- Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, China
- Institute of Physical Science and Information Technology, Anhui University, Hefei 230601, China
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Nafria R, Luo Z, Ibáñez M, Martí-Sànchez S, Yu X, de la Mata M, Llorca J, Arbiol J, Kovalenko MV, Grabulosa A, Muller G, Cabot A. Growth of Au-Pd 2Sn Nanorods via Galvanic Replacement and Their Catalytic Performance on Hydrogenation and Sonogashira Coupling Reactions. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:10634-10643. [PMID: 30096238 DOI: 10.1021/acs.langmuir.8b02023] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Colloidal Pd2Sn and Au-Pd2Sn nanorods (NRs) with tuned size were produced by the reduction of Pd and Sn salts in the presence of size- and shape-controlling agents and the posterior growth of Au tips through a galvanic replacement reaction. Pd2Sn and Au-Pd2Sn NRs exhibited high catalytic activity toward quasi-homogeneous hydrogenation of alkenes (styrene and 1-octene) and alkynes (phenylacetylene and 1-octyne) in dichloromethane. Au-Pd2Sn NRs showed higher activity than Pd2Sn for 1-octene, 1-octyne, and phenylacetylene. In Au-Pd2Sn heterostructures, X-ray photoelectron spectroscopy evidenced an electron donation from the Pd2Sn NR to the Au tips. Such heterostructures showed distinct catalytic behavior in the hydrogenation of compounds containing a triple bond such as tolan. This can be explained by the aurophilicity of triple bonds. To further study this effect, Pd2Sn and Au-Pd2Sn NRs were also tested in the Sonogashira coupling reaction between iodobenzene and phenylacetylene in N, N-dimethylformamide. At low concentration, this reaction provided the expected product, tolan. However, at high concentration, more reduced products such as stilbene and 1,2-diphenylethane were also obtained, even without the addition of H2. A mechanism for this unexpected reduction is proposed.
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Affiliation(s)
- Raquel Nafria
- Catalonia Institute for Energy Research (IREC) , 08930 Sant Adrià de Besòs , Barcelona , Spain
| | - Zhishan Luo
- Catalonia Institute for Energy Research (IREC) , 08930 Sant Adrià de Besòs , Barcelona , Spain
| | - Maria Ibáñez
- Institute of Inorganic Chemistry, Department of Chemistry and Applied Biosciences , ETH Zürich , Zürich CH-8093 , Switzerland
- Empa-Swiss Federal Laboratories for Materials Science and Technology , Dübendorf CH-8600 , Switzerland
| | - Sara Martí-Sànchez
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and the Barcelona Institute of Science and Technology (BIST) , Campus UAB , Bellaterra, 08193 Barcelona , Spain
| | - Xiaoting Yu
- Catalonia Institute for Energy Research (IREC) , 08930 Sant Adrià de Besòs , Barcelona , Spain
| | - Maria de la Mata
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and the Barcelona Institute of Science and Technology (BIST) , Campus UAB , Bellaterra, 08193 Barcelona , Spain
| | - Jordi Llorca
- Institut de Tècniques Energètiques , Universitat Politècnica de Catalunya , 08028 Barcelona , Spain
| | - Jordi Arbiol
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and the Barcelona Institute of Science and Technology (BIST) , Campus UAB , Bellaterra, 08193 Barcelona , Spain
- ICREA , Pg. Lluís Companys 23 , 08010 Barcelona , Spain
| | - Maksym V Kovalenko
- Institute of Inorganic Chemistry, Department of Chemistry and Applied Biosciences , ETH Zürich , Zürich CH-8093 , Switzerland
- Empa-Swiss Federal Laboratories for Materials Science and Technology , Dübendorf CH-8600 , Switzerland
| | - Arnald Grabulosa
- Departament de Química Inorgànica i Orgànica, Secció de Química Inorgànica , Universitat de Barcelona , Martí i Franquès 1-11 , 08028 Barcelona , Spain
| | - Guillermo Muller
- Departament de Química Inorgànica i Orgànica, Secció de Química Inorgànica , Universitat de Barcelona , Martí i Franquès 1-11 , 08028 Barcelona , Spain
| | - Andreu Cabot
- Catalonia Institute for Energy Research (IREC) , 08930 Sant Adrià de Besòs , Barcelona , Spain
- ICREA , Pg. Lluís Companys 23 , 08010 Barcelona , Spain
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Zhou J, Yang T, He W, Pan ZY, Huang CZ. A galvanic exchange process visualized on single silver nanoparticles via dark-field microscopy imaging. NANOSCALE 2018; 10:12805-12812. [PMID: 29947404 DOI: 10.1039/c8nr01879k] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The study of the galvanic exchange (GE) mechanism is beneficial for designing and developing new bimetallic nanocrystal structures with excellent bifunctional catalytic properties. Herein, we have visually demonstrated a GE process by real-time monitoring of the reaction between silver nanoparticles (AgNPs) and Au3+ at the single nanoparticle level using light scattering dark-field microscopy imaging. The localized surface plasmon resonance (LSPR) scattering spectral shifts of the AgNPs which reveal the Ag removal rate and Au deposition rate on the surface of the AgNPs can be observed. Furthermore, a pixel meta three color channel method has been introduced for analyzing the scattering light color changes of plasmonic particles to reveal the kinetics of the atomic deposition process on a single AgNP during GE, thus making the reaction kinetics of the GE process directly observable. Therefore, this study provides an efficient and promising approach for understanding the GE mechanism and exploiting its reaction kinetics.
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Affiliation(s)
- Jun Zhou
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing 400716, China.
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Cheng X, Zhao H, Huang W, Chen J, Wang S, Dong J, Deng Y. Rational Design of Yolk-Shell CuO/Silicalite-1@mSiO 2 Composites for a High-Performance Nonenzymatic Glucose Biosensor. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:7663-7672. [PMID: 29871483 DOI: 10.1021/acs.langmuir.8b01051] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
In this study, an interface coassembly strategy is employed to rationally synthesize a yolk-shell CuO/silicalite-1@void@mSiO2 composite consisting of silicalite-1 supported CuO nanoparticles confined in the hollow space of mesoporous silica, and the obtained composite materials were used as a novel nonenzymatic biosensor for highly sensitive and selective detecting glucose with excellent anti-interference ability. The synthesis of CuO/silicalite-1@mSiO2 includes four steps: coating silicalite-1 particles with resorcinol-formaldehyde polymer (RF), immobilization of copper species, interface deposition of a mesoporous silica layer, and final calcination in air to decompose RF and form CuO nanoparticles. The unique hierarchical porous structure with mesopores and micropores is beneficial to selectively enrich glucose for fast oxidation into gluconic acid. Besides, the mesopores in the silica shell can effectively inhibit the large interfering substances or biomacromolecules diffusing into the void as well as the loss of CuO nanoparticles. The hollow chamber inside serves as a nanoreactor for glucose oxidation catalyzed by the active CuO nanoparticles, which are spatially accessible for glucose molecules. The nonenzymatic glucose biosensors based on CuO/silicalite-1@mSiO2 materials show excellent electrocatalytic sensing performance with a wide linear range (5-500 μM), high sensitivity (5.5 μA·mM-1·cm-2), low detection limit (0.17 μM), and high selectivity against interfering species. Furthermore, the unique sensors even display a good capability in the determination of glucose in real blood serum samples.
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Affiliation(s)
- Xiaowei Cheng
- Department of Chemistry, State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials) , Fudan University , Shanghai 200433 , China
| | - Haochen Zhao
- College of Science , University of Shanghai for Science and Technology , Shanghai 200093 , China
| | - Wenfeng Huang
- School of Environmental and Chemical Engineering , Shanghai University , Shanghai 200444 , China
| | - Jinyang Chen
- School of Environmental and Chemical Engineering , Shanghai University , Shanghai 200444 , China
| | - Shixia Wang
- College of Science , University of Shanghai for Science and Technology , Shanghai 200093 , China
| | - Junping Dong
- Department of Chemistry, College of Science , Shanghai University , Shanghai 200444 , China
| | - Yonghui Deng
- Department of Chemistry, State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials) , Fudan University , Shanghai 200433 , China
- State Key Lab of Transducer Technology, Shanghai Institute of Microsystem and Information Technology , Chinese Academy of Sciences , Shanghai 200050 , China
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44
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Cho T, Yoon CW, Kim J. Repetitively Coupled Chemical Reduction and Galvanic Exchange as a Synthesis Strategy for Expanding Applicable Number of Pt Atoms in Dendrimer-Encapsulated Pt Nanoparticles. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:7436-7444. [PMID: 29856918 DOI: 10.1021/acs.langmuir.8b01169] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
In this study, we report the controllable synthesis of dendrimer-encapsulated Pt nanoparticles (Pt DENs) utilizing repetitively coupled chemical reduction and galvanic exchange reactions. The synthesis strategy allows the expansion of the applicable number of Pt atoms encapsulated inside dendrimers to more than 1000 without being limited by the fixed number of complexation sites for Pt2+ precursor ions in the dendrimers. The synthesis of Pt DENs is achieved in a short period of time (i.e., ∼10 min) simply by the coaddition of appropriate amounts of Cu2+ and Pt2+ precursors into aqueous dendrimer solution and subsequent addition of reducing agents such as BH4-, resulting in fast and selective complexation of Cu2+ with the dendrimers and subsequent chemical reduction of the complexed Cu2+ while uncomplexed Pt2+ precursors remain oxidized. Interestingly, the chemical reduction of Cu2+, leading to the formation of Cu nanoparticles encapsulated inside the dendrimers, is coupled with the galvanic exchange of the Cu nanoparticles with the nearby Pt2+. This coupling repetitively proceeds until all of the added Pt2+ ions form into Pt nanoparticles encapsulated inside the dendrimers. In contrast to the conventional method utilizing direct chemical reduction, this repetitively coupled chemical reduction and galvanic exchange enables a substantial increase in the applicable number of Pt atoms up to 1320 in Pt DENs while maintaining the unique features of DENs.
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Affiliation(s)
| | - Chang Won Yoon
- Fuel Cell Research Center , Korea Institute of Science and Technology , Seoul 02792 , Republic of Korea
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Zhu M, Wang P, Yan N, Chai X, He L, Zhao Y, Xia N, Yao C, Li J, Deng H, Zhu Y, Pei Y, Wu Z. The Fourth Alloying Mode by Way of Anti-Galvanic Reaction. Angew Chem Int Ed Engl 2018; 57:4500-4504. [DOI: 10.1002/anie.201800877] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Indexed: 11/10/2022]
Affiliation(s)
- Min Zhu
- Key Laboratory of Materials Physics Anhui Key Laboratory of Nanomaterials and Nanotechnology; CAS Center for Excellence in Nanoscience; Institute of Solid State Physics; Chinese Academy of Sciences; Hefei 230031 China
- Institute of Physical Science and Information Technology; Anhui University; Hefei 230031 China
- University of Science and Technology of China; Hefei 230026 China
| | - Pu Wang
- Department of Chemistry; Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education; Xiangtan University, Hunan Province; Xiangtan 411105 China
| | - Nan Yan
- Key Laboratory of Materials Physics Anhui Key Laboratory of Nanomaterials and Nanotechnology; CAS Center for Excellence in Nanoscience; Institute of Solid State Physics; Chinese Academy of Sciences; Hefei 230031 China
- Institute of Physical Science and Information Technology; Anhui University; Hefei 230031 China
| | - Xiaoqi Chai
- Key Lab of Mesoscopic Chemistry; School of Chemistry and Chemical Engineering; Nanjing University; Nanjing 210093 China
| | - Lizhong He
- Key Laboratory of Materials Physics Anhui Key Laboratory of Nanomaterials and Nanotechnology; CAS Center for Excellence in Nanoscience; Institute of Solid State Physics; Chinese Academy of Sciences; Hefei 230031 China
- Institute of Physical Science and Information Technology; Anhui University; Hefei 230031 China
- University of Science and Technology of China; Hefei 230026 China
| | - Yan Zhao
- Key Laboratory of Materials Physics Anhui Key Laboratory of Nanomaterials and Nanotechnology; CAS Center for Excellence in Nanoscience; Institute of Solid State Physics; Chinese Academy of Sciences; Hefei 230031 China
- Institute of Physical Science and Information Technology; Anhui University; Hefei 230031 China
- University of Science and Technology of China; Hefei 230026 China
| | - Nan Xia
- Key Laboratory of Materials Physics Anhui Key Laboratory of Nanomaterials and Nanotechnology; CAS Center for Excellence in Nanoscience; Institute of Solid State Physics; Chinese Academy of Sciences; Hefei 230031 China
- Institute of Physical Science and Information Technology; Anhui University; Hefei 230031 China
| | - Chuanhao Yao
- Key Laboratory of Materials Physics Anhui Key Laboratory of Nanomaterials and Nanotechnology; CAS Center for Excellence in Nanoscience; Institute of Solid State Physics; Chinese Academy of Sciences; Hefei 230031 China
| | - Jin Li
- Tsinghua University-Peking University Joint Center for Life Sciences; School of Life Sciences, Tsinghua University; Beijing 100084 China
| | - Haiteng Deng
- MOE Key Laboratory of Bioinformatics; School of Life Sciences; Tsinghua University; Beijing 100084 China
| | - Yan Zhu
- Key Lab of Mesoscopic Chemistry; School of Chemistry and Chemical Engineering; Nanjing University; Nanjing 210093 China
| | - Yong Pei
- Department of Chemistry; Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education; Xiangtan University, Hunan Province; Xiangtan 411105 China
| | - Zhikun Wu
- Key Laboratory of Materials Physics Anhui Key Laboratory of Nanomaterials and Nanotechnology; CAS Center for Excellence in Nanoscience; Institute of Solid State Physics; Chinese Academy of Sciences; Hefei 230031 China
- Institute of Physical Science and Information Technology; Anhui University; Hefei 230031 China
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46
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Zhu M, Wang P, Yan N, Chai X, He L, Zhao Y, Xia N, Yao C, Li J, Deng H, Zhu Y, Pei Y, Wu Z. The Fourth Alloying Mode by Way of Anti-Galvanic Reaction. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201800877] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Min Zhu
- Key Laboratory of Materials Physics Anhui Key Laboratory of Nanomaterials and Nanotechnology; CAS Center for Excellence in Nanoscience; Institute of Solid State Physics; Chinese Academy of Sciences; Hefei 230031 China
- Institute of Physical Science and Information Technology; Anhui University; Hefei 230031 China
- University of Science and Technology of China; Hefei 230026 China
| | - Pu Wang
- Department of Chemistry; Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education; Xiangtan University, Hunan Province; Xiangtan 411105 China
| | - Nan Yan
- Key Laboratory of Materials Physics Anhui Key Laboratory of Nanomaterials and Nanotechnology; CAS Center for Excellence in Nanoscience; Institute of Solid State Physics; Chinese Academy of Sciences; Hefei 230031 China
- Institute of Physical Science and Information Technology; Anhui University; Hefei 230031 China
| | - Xiaoqi Chai
- Key Lab of Mesoscopic Chemistry; School of Chemistry and Chemical Engineering; Nanjing University; Nanjing 210093 China
| | - Lizhong He
- Key Laboratory of Materials Physics Anhui Key Laboratory of Nanomaterials and Nanotechnology; CAS Center for Excellence in Nanoscience; Institute of Solid State Physics; Chinese Academy of Sciences; Hefei 230031 China
- Institute of Physical Science and Information Technology; Anhui University; Hefei 230031 China
- University of Science and Technology of China; Hefei 230026 China
| | - Yan Zhao
- Key Laboratory of Materials Physics Anhui Key Laboratory of Nanomaterials and Nanotechnology; CAS Center for Excellence in Nanoscience; Institute of Solid State Physics; Chinese Academy of Sciences; Hefei 230031 China
- Institute of Physical Science and Information Technology; Anhui University; Hefei 230031 China
- University of Science and Technology of China; Hefei 230026 China
| | - Nan Xia
- Key Laboratory of Materials Physics Anhui Key Laboratory of Nanomaterials and Nanotechnology; CAS Center for Excellence in Nanoscience; Institute of Solid State Physics; Chinese Academy of Sciences; Hefei 230031 China
- Institute of Physical Science and Information Technology; Anhui University; Hefei 230031 China
| | - Chuanhao Yao
- Key Laboratory of Materials Physics Anhui Key Laboratory of Nanomaterials and Nanotechnology; CAS Center for Excellence in Nanoscience; Institute of Solid State Physics; Chinese Academy of Sciences; Hefei 230031 China
| | - Jin Li
- Tsinghua University-Peking University Joint Center for Life Sciences; School of Life Sciences, Tsinghua University; Beijing 100084 China
| | - Haiteng Deng
- MOE Key Laboratory of Bioinformatics; School of Life Sciences; Tsinghua University; Beijing 100084 China
| | - Yan Zhu
- Key Lab of Mesoscopic Chemistry; School of Chemistry and Chemical Engineering; Nanjing University; Nanjing 210093 China
| | - Yong Pei
- Department of Chemistry; Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education; Xiangtan University, Hunan Province; Xiangtan 411105 China
| | - Zhikun Wu
- Key Laboratory of Materials Physics Anhui Key Laboratory of Nanomaterials and Nanotechnology; CAS Center for Excellence in Nanoscience; Institute of Solid State Physics; Chinese Academy of Sciences; Hefei 230031 China
- Institute of Physical Science and Information Technology; Anhui University; Hefei 230031 China
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Kim BH, Yang J, Lee D, Choi BK, Hyeon T, Park J. Liquid-Phase Transmission Electron Microscopy for Studying Colloidal Inorganic Nanoparticles. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:1703316. [PMID: 29178589 DOI: 10.1002/adma.201703316] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Revised: 09/01/2017] [Indexed: 05/26/2023]
Abstract
For the past few decades, nanoparticles of various sizes, shapes, and compositions have been synthesized and utilized in many different applications. However, due to a lack of analytical tools that can characterize structural changes at the nanoscale level, many of their growth and transformation processes are not yet well understood. The recently developed technique of liquid-phase transmission electron microscopy (TEM) has gained much attention as a new tool to directly observe chemical reactions that occur in solution. Due to its high spatial and temporal resolution, this technique is widely employed to reveal fundamental mechanisms of nanoparticle growth and transformation. Here, the technical developments for liquid-phase TEM together with their application to the study of solution-phase nanoparticle chemistry are summarized. Two types of liquid cells that can be used in the high-vacuum conditions required by TEM are discussed, followed by recent in situ TEM studies of chemical reactions of colloidal nanoparticles. New findings on the growth mechanism, transformation, and motion of nanoparticles are subsequently discussed in detail.
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Affiliation(s)
- Byung Hyo Kim
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul, 08826, Republic of Korea
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul, 08826, Republic of Korea
| | - Jiwoong Yang
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul, 08826, Republic of Korea
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul, 08826, Republic of Korea
| | - Donghoon Lee
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul, 08826, Republic of Korea
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul, 08826, Republic of Korea
| | - Back Kyu Choi
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul, 08826, Republic of Korea
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul, 08826, Republic of Korea
| | - Taeghwan Hyeon
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul, 08826, Republic of Korea
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul, 08826, Republic of Korea
| | - Jungwon Park
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul, 08826, Republic of Korea
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul, 08826, Republic of Korea
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Liu X, Ruiz J, Astruc D. Compared Catalytic Efficiency of Click-Dendrimer-Stabilized Late Transition Metal Nanoparticles in 4-Nitrophenol Reduction. J Inorg Organomet Polym Mater 2017. [DOI: 10.1007/s10904-017-0666-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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50
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Bootharaju MS, Kozlov SM, Cao Z, Harb M, Parida MR, Hedhili MN, Mohammed OF, Bakr OM, Cavallo L, Basset JM. Direct versus ligand-exchange synthesis of [PtAg 28(BDT) 12(TPP) 4] 4- nanoclusters: effect of a single-atom dopant on the optoelectronic and chemical properties. NANOSCALE 2017; 9:9529-9536. [PMID: 28660944 DOI: 10.1039/c7nr02844j] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Heteroatom doping of atomically precise nanoclusters (NCs) often yields a mixture of doped and undoped products of single-atom difference, whose separation is extremely difficult. To overcome this challenge, novel synthesis methods are required to offer monodisperse doped NCs. For instance, the direct synthesis of PtAg28 NCs produces a mixture of [Ag29(BDT)12(TPP)4]3- and [PtAg28(BDT)12(TPP)4]4- NCs (TPP: triphenylphosphine; BDT: 1,3-benzenedithiolate). Here, we designed a ligand-exchange (LE) strategy to synthesize single-sized, Pt-doped, superatomic Ag NCs [PtAg28(BDT)12(TPP)4]4- by LE of [Pt2Ag23Cl7(TPP)10] NCs with BDTH2 (1,3-benzenedithiol). The doped NCs were thoroughly characterized by optical and photoelectron spectroscopy, mass spectrometry, total electron count, and time-dependent density functional theory (TDDFT). We show that the Pt dopant occupies the center of the PtAg28 cluster, modulates its electronic structure and enhances its photoluminescence intensity and excited-state lifetime, and also enables solvent interactions with the NC surface. Furthermore, doped NCs showed unique reactivity with metal ions - the central Pt atom of PtAg28 could not be replaced by Au, unlike the central Ag of Ag29 NCs. The achieved synthesis of single-sized PtAg28 clusters will facilitate further applications of the LE strategy for the exploration of novel multimetallic NCs.
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Affiliation(s)
- Megalamane S Bootharaju
- KAUST Catalysis Center, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia.
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