51
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Li Q, Wu J, Yang Q, Li H, Li F. pH and Redox Dual-Response Disulfide Bond-Functionalized Red-Emitting Gold Nanoclusters for Monitoring the Contamination of Organophosphorus Pesticides in Foods. Anal Chem 2021; 93:7362-7368. [PMID: 33961403 DOI: 10.1021/acs.analchem.1c01414] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Most of the fluorescence sensors require choline oxidase or quenchers to detect organophosphorus pesticides (OPs) based on a single hydrolysate and suffer from high cost, complex procedures, weak stability, and low sensitivity. Here, we proposed a brand-new fluorescence strategy for highly sensitive detection of OPs based on both hydrolysate-response disulfide bond-functionalized gold nanoclusters (S-S-AuNCs) without additional substances. S-S-AuNCs were synthesized via a facile one-step redox reaction and emitted bright red light with ultrasmall size and high water dispersion. Interestingly, S-S-AuNCs displayed a unique response to thiol compounds and low pH values and were thus pioneered as a high-efficiency sensor for OPs based on acetylcholinesterase (AChE)-catalyzed hydrolysis of acetylthiocholine into thiocholine and CH3COOH and OP inhibition of AChE activity. Further, S-S-AuNCs were employed to monitor the residue, distribution, and metabolization of methidathion in pakchoi with acceptable results. We believe that this work supplies a simpler and more highly sensitive approach for OP assay than the known ones and opens a new avenue to development of multistimulus-responsive and high-performance fluorescence substances.
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Affiliation(s)
- Qian Li
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, People's Republic of China
| | - Jiahui Wu
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, People's Republic of China
| | - Qiaoting Yang
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, People's Republic of China
| | - Haiyin Li
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, People's Republic of China
| | - Feng Li
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, People's Republic of China
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52
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Multi-frequency impedance sensing for detection and sizing of DNA fragments. Sci Rep 2021; 11:6490. [PMID: 33753781 PMCID: PMC7985362 DOI: 10.1038/s41598-021-85755-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Accepted: 01/11/2021] [Indexed: 01/31/2023] Open
Abstract
Electronic biosensors for DNA detection typically utilize immobilized oligonucleotide probes on a signal transducer, which outputs an electronic signal when target molecules bind to probes. However, limitation in probe selectivity and variable levels of non-target material in complex biological samples can lead to nonspecific binding and reduced sensitivity. Here we introduce the integration of 2.8 μm paramagnetic beads with DNA fragments. We apply a custom-made microfluidic chip to detect DNA molecules bound to beads by measuring Impedance Peak Response (IPR) at multiple frequencies. Technical and analytical performance was evaluated using beads containing purified Polymerase Chain Reaction (PCR) products of different lengths (157, 300, 613 bp) with DNA concentration ranging from 0.039 amol to 7.8 fmol. Multi-frequency IPR correlated positively with DNA amounts and was used to calculate a DNA quantification score. The minimum DNA amount of a 300 bp fragment coupled on beads that could be robustly detected was 0.0039 fmol (1.54 fg or 4750 copies/bead). Additionally, our approach allowed distinguishing beads with similar molar concentration DNA fragments of different lengths. Using this impedance sensor, purified PCR products could be analyzed within ten minutes to determine DNA fragment length and quantity based on comparison to a known DNA standard.
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53
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Lin M, Wang J, Kim GH, Liu J, Pan L, Lee Y, Oh JW, Jung Y, Seo S, Son Y, Lim J, Park J, Hyeon T, Nam JM. One-Pot Heterointerfacial Metamorphosis for Synthesis and Control of Widely Varying Heterostructured Nanoparticles. J Am Chem Soc 2021; 143:3383-3392. [PMID: 33439007 DOI: 10.1021/jacs.0c11557] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Despite remarkable facileness and potential in forming a wide variety of heterostructured nanoparticles with extraordinary compositional and structural complexity, one-pot synthesis of multicomponent heterostructures is largely limited by the lack of fundamental mechanistic understanding, designing principles, and well-established, generally applicable chemical methods. Herein, we developed a one-pot heterointerfacial metamorphosis (1HIM) method that allows heterointerfaces inside a particle to undergo multiple equilibrium stages to form a variety of highly crystalline heterostructured nanoparticles at a relatively low temperature (<100 °C). As proof-of-concept experiments, it was shown that widely different single-crystalline semiconductor-metal anisotropic nanoparticles with synergistic chemical, spectroscopic, and band-gap-engineering properties, including a series of metal-semiconductor nanoframes with high structural and compositional tunability, can be formed by using the 1HIM approach. 1HIM offers a new paradigm to synthesize previously unobtainable or poorly controllable heterostructures with unique or synergistic properties and functions.
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Affiliation(s)
- Mouhong Lin
- Department of Chemistry, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea
| | - Jian Wang
- Department of Chemistry, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea
| | - Gyeong-Hwan Kim
- Department of Chemistry, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea
| | - Jianan Liu
- School of Chemical and Biological Engineering, Institute of Chemical Process, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea.,Center for Nanoparticle Research, Institute for Basic Science, Seoul 08826, Korea
| | - Limin Pan
- Department of Chemistry, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea.,School of Chemical and Biological Engineering, Institute of Chemical Process, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea.,Center for Nanoparticle Research, Institute for Basic Science, Seoul 08826, Korea
| | - Yeonhee Lee
- Department of Chemistry, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea
| | - Jeong-Wook Oh
- Department of Chemistry, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea
| | - Yoonjae Jung
- Department of Chemistry, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea
| | - Sungjae Seo
- Department of Chemistry, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea
| | - Youngju Son
- School of Chemical and Biological Engineering, Institute of Chemical Process, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea.,Center for Nanoparticle Research, Institute for Basic Science, Seoul 08826, Korea
| | - Jongwoo Lim
- Department of Chemistry, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea
| | - Jungwon Park
- School of Chemical and Biological Engineering, Institute of Chemical Process, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea.,Center for Nanoparticle Research, Institute for Basic Science, Seoul 08826, Korea
| | - Taeghwan Hyeon
- School of Chemical and Biological Engineering, Institute of Chemical Process, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea.,Center for Nanoparticle Research, Institute for Basic Science, Seoul 08826, Korea
| | - Jwa-Min Nam
- Department of Chemistry, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea
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54
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Ren L, Yi X, Yang Z, Wang D, Liu L, Ye J. Designing Carbonized Loofah Sponge Architectures with Plasmonic Cu Nanoparticles Encapsulated in Graphitic Layers for Highly Efficient Solar Vapor Generation. NANO LETTERS 2021; 21:1709-1715. [PMID: 33586984 DOI: 10.1021/acs.nanolett.0c04511] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Solar vapor generation represents a promising approach to alleviate water shortage for producing fresh water from undrinkable water resources. Although Cu-based plasmonics have attracted tremendous interest due to efficient light-to-heat conversion, their application faces great challenges in the oxidation resistance of Cu and low evaporation rate. Herein, a hybrid of three-dimensional carbonized loofah sponges and graphene layers encapsulated Cu nanoparticles is successfully synthesized via a facile pyrolysis method. In addition to effective light harvesting, the localized heating effect of stabilized Cu nanoparticles remarkably elevated the surface temperature of Cu@C/CLS to 72 °C, and a vapor generation rate as high as 1.54 kg m-2 h-1 with solar thermal efficiency reaching 90.2% under 1 Sun illumination was achieved. A study in the purification of sewage and muddy water with Cu@C/CLS demonstrates a promising perspective in a practical application. These results may offer a new inspiration for the design of efficient nonprecious Cu-based photothermal materials.
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Affiliation(s)
- Liteng Ren
- TJU-NIMS International Collaboration Laboratory, Key Lab of advanced Ceramics and Machining Technology (Ministry of Education), Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, Tianjin University, Tianjin 300072, P. R. China
| | - Xinli Yi
- TJU-NIMS International Collaboration Laboratory, Key Lab of advanced Ceramics and Machining Technology (Ministry of Education), Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, Tianjin University, Tianjin 300072, P. R. China
| | - Zhongshan Yang
- TJU-NIMS International Collaboration Laboratory, Key Lab of advanced Ceramics and Machining Technology (Ministry of Education), Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, Tianjin University, Tianjin 300072, P. R. China
| | - Defa Wang
- TJU-NIMS International Collaboration Laboratory, Key Lab of advanced Ceramics and Machining Technology (Ministry of Education), Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, Tianjin University, Tianjin 300072, P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin University, Tianjin 300072, P. R. China
| | - Lequan Liu
- TJU-NIMS International Collaboration Laboratory, Key Lab of advanced Ceramics and Machining Technology (Ministry of Education), Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, Tianjin University, Tianjin 300072, P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin University, Tianjin 300072, P. R. China
| | - Jinhua Ye
- TJU-NIMS International Collaboration Laboratory, Key Lab of advanced Ceramics and Machining Technology (Ministry of Education), Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, Tianjin University, Tianjin 300072, P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin University, Tianjin 300072, P. R. China
- International Center for Materials Nanoarchitectonics, National Institute for Materials Science, 1-1 Namiki, Tsukuba 3050047, Japan
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55
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Fu R, Shi Q, Yong Z, Griffith JC, Yap LW, Cheng W. Self-assembled Janus plasmene nanosheets as flexible 2D photocatalysts. MATERIALS HORIZONS 2021; 8:259-266. [PMID: 34821304 DOI: 10.1039/d0mh01275k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
A leaf is a free-standing photocatalytic system that can effectively harvest solar energy and convert CO2 and H2O into carbohydrates in a continuous manner without the need for regeneration or tedious product extraction steps. Despite encouraging advances achieved in designing artificial photocatalysts, most of them function in bulk solution or on rigid surfaces. Here, we report on a 2D flexible photocatalytic system based on close packed Janus plasmene nanosheets. One side of the Janus nanosheets is hydrophilic with catalytically active palladium, while the opposite side is hydrophobic with plasmonic nanocrystals. Such a unique design ensures a stable nanostructure on a flexible polymer substrate, preventing dissolution/degradation of plasmonic photocatalysts during chemical conversion in aqueous solutions. Using catalytic reduction of 4-nitrophenol as a model reaction, we demonstrated efficient plasmon-enhanced photochemical conversion on our flexible Janus plasmene. The photocatalytic efficiency could be tuned by adjusting the palladium thickness or types of constituent building blocks or their orientations, indicating the potential for tailor-made catalyst design for desired reactions. Furthermore, the flexible Janus plasmene nanosheets were designed into a small 3D printed artificial tree, which could continuously convert 30 mL of chemicals in 45 minutes.
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Affiliation(s)
- Runfang Fu
- Department of Chemical Engineering, Faculty of Engineering, Monash University, Clayton 3800, Victoria, Australia.
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56
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Chang H, Rho WY, Son BS, Kim J, Lee SH, Jeong DH, Jun BH. Plasmonic Nanoparticles: Basics to Applications (I). ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1309:133-159. [PMID: 33782871 DOI: 10.1007/978-981-33-6158-4_6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
This review presents the main characteristics of metal nanoparticles (NPs), especially consisting of noble metal such as Au and Ag, and brief information on their synthesis methods. The physical and chemical properties of the metal NPs are described, with a particular focus on the optically variable properties (surface plasmon resonance based properties) and surface-enhanced Raman scattering of plasmonic materials. In addition, this chapter covers ways to achieve advances by utilizing their properties in the biological studies and medical fields (such as imaging, diagnostics, and therapeutics). These descriptions will help researchers new to nanomaterials for biomedical diagnosis to understand easily the related knowledge and also will help researchers involved in the biomedical field to learn about the latest research trends.
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Affiliation(s)
- Hyejin Chang
- Division of Science Education, Kangwon National University, Chuncheon, Republic of Korea
| | - Won-Yeop Rho
- School of International Engineering and Science, Jeonbuk National University, Jeonju, Republic of Korea
| | - Byung Sung Son
- Department of Bioscience and Biotechnology, Konkuk University, Seoul, South Korea
| | - Jaehi Kim
- Department of Bioscience and Biotechnology, Konkuk University, Seoul, South Korea
| | - Sang Hun Lee
- Department of Chemical and Biological Engineering, Hanbat National University, Daejeon, Republic of Korea
| | - Dae Hong Jeong
- Department of Chemistry Education, Seoul National University, Seoul, Republic of Korea
| | - Bong-Hyun Jun
- Department of Bioscience and Biotechnology, Konkuk University, Seoul, South Korea.
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57
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Cuscunà M, Manoccio M, Esposito M, Scuderi M, Nicotra G, Tarantini I, Melcarne A, Tasco V, Losurdo M, Passaseo A. Gallium chiral nanoshaping for circular polarization handling. MATERIALS HORIZONS 2021; 8:187-196. [PMID: 34821297 DOI: 10.1039/d0mh01078b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
In this work we report the local growth of ordered arrays of 3D core-shell chiral nanohelices based on plasmonic gallium metal. The structures can be engineered in a single step using focused ion beam induced deposition, where a Ga+ ion source is used to shape the metallic nanohelix core, while the dielectric precursor is dissociated to create dielectric shells. The solubility of gallium in the different investigated dielectric matrices controls the core-shell thickness ratio of the nanohelices. The chiral plasmonic behaviour of these gallium-based nanostructures is experimentally measured by circularly polarized light transmission through nanostructure arrays and compared with numerical simulations. Large chiroptical effects in the visible range are demonstrated due to the plasmonic effects arising from gallium nanoclusters in the core.
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Affiliation(s)
- Massimo Cuscunà
- CNR NANOTEC Institute of Nanotechnology, Via Monteroni, Lecce 73100, Italy.
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58
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Chen L, Hu H, Chen Y, Li Y, Gao J, Li G. Sulfur Precursor Reactivity Affecting the Crystal Phase and Morphology of Cu
2−
x
S Nanoparticles. Chemistry 2020; 27:1057-1065. [DOI: 10.1002/chem.202003760] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 10/09/2020] [Indexed: 11/06/2022]
Affiliation(s)
- Lihui Chen
- College of Chemical Engineering Zhejiang University of Technology 18, Chaowang Road Hangzhou 310014 P.R. China
| | - Haifeng Hu
- College of Chemical Engineering Zhejiang University of Technology 18, Chaowang Road Hangzhou 310014 P.R. China
| | - Yuzhou Chen
- College of Chemical Engineering Zhejiang University of Technology 18, Chaowang Road Hangzhou 310014 P.R. China
| | - Yuan Li
- College of Chemical Engineering Zhejiang University of Technology 18, Chaowang Road Hangzhou 310014 P.R. China
| | - Jing Gao
- College of Chemical Engineering Zhejiang University of Technology 18, Chaowang Road Hangzhou 310014 P.R. China
| | - Guohua Li
- College of Chemical Engineering Zhejiang University of Technology 18, Chaowang Road Hangzhou 310014 P.R. China
- State Key Breeding Base of Green Chemistry Synthesis Technology Zhejiang University of Technology 18, Chaowang Road Hangzhou 310032 P.R. China
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59
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Xu W, Jia J, Wang T, Li C, He B, Zong J, Wang Y, Fan HJ, Xu H, Feng Y, Chen H. Continuous Tuning of Au–Cu
2
O Janus Nanostructures for Efficient Charge Separation. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202010613] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Wenjia Xu
- Institute of Advanced Synthesis School of Chemistry and Molecular Engineering Jiangsu National Synergetic Innovation Centre for Advanced Materials Nanjing Tech University Nanjing 211816 China
| | - Jia Jia
- Institute of Advanced Synthesis School of Chemistry and Molecular Engineering Jiangsu National Synergetic Innovation Centre for Advanced Materials Nanjing Tech University Nanjing 211816 China
| | - Ti Wang
- School of Physics and Technology Center for Nanoscience and Nanotechnology Key Laboratory of Artificial Micro- and Nanostructures of Ministry of Education Wuhan University Wuhan 430072 China
| | - Chao Li
- Tianjin Key Laboratory of Advanced Functional Porous Materials and Center for Electron Microscopy School of Materials Science and Engineering Tianjin University of Technology Tianjin 300384 China
| | - Bowen He
- Institute of Advanced Synthesis School of Chemistry and Molecular Engineering Jiangsu National Synergetic Innovation Centre for Advanced Materials Nanjing Tech University Nanjing 211816 China
| | - Jianpeng Zong
- Institute of Advanced Synthesis School of Chemistry and Molecular Engineering Jiangsu National Synergetic Innovation Centre for Advanced Materials Nanjing Tech University Nanjing 211816 China
| | - Yawen Wang
- Institute of Advanced Synthesis School of Chemistry and Molecular Engineering Jiangsu National Synergetic Innovation Centre for Advanced Materials Nanjing Tech University Nanjing 211816 China
| | - Hong Jin Fan
- School of Physical and Mathematical Sciences Nanyang Technological University Singapore 637371 Singapore
| | - Hongxing Xu
- School of Physics and Technology Center for Nanoscience and Nanotechnology Key Laboratory of Artificial Micro- and Nanostructures of Ministry of Education Wuhan University Wuhan 430072 China
| | - Yuhua Feng
- Institute of Advanced Synthesis School of Chemistry and Molecular Engineering Jiangsu National Synergetic Innovation Centre for Advanced Materials Nanjing Tech University Nanjing 211816 China
| | - Hongyu Chen
- Institute of Advanced Synthesis School of Chemistry and Molecular Engineering Jiangsu National Synergetic Innovation Centre for Advanced Materials Nanjing Tech University Nanjing 211816 China
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60
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Li MY, Shen K, Xu H, Ren A, Lee J, Kunwar S, Liu S, Wu J. Enhanced Spatial Light Confinement of All Inorganic Perovskite Photodetectors Based on Hybrid Plasmonic Nanostructures. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e2004234. [PMID: 33107207 DOI: 10.1002/smll.202004234] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 08/27/2020] [Indexed: 06/11/2023]
Abstract
3D incident light confinement by radical electromagnetic fields offers a facile and novel way to break through the performance limit of inorganic perovskite CsPbBr3 quantum dots (QDs). Herein, metallic nanoparticles decorated anodic aluminum oxide (AAO) hybrid plasmonic nanostructures with geometric control are first proposed for cyclic light utilization of perovskite photodetectors, enabled by spatially extended light confinement. The drastic multiple interference induced by plasmonic coupling within AAO matrixes are generated as a function of pore sizes, which can effectively collect the transmitted photons back to the surface. In addition, the self-assembled metallic nanoparticles simultaneously concentrate the incident and reflected light beams into the CsPbBr3 QD layers. The light confinement inherently stems from the metallic nanoparticles due to the variation of the near surface electromagnetic fields. As a result, perovskite photodetectors based on Al nanoparticles/AAO hybrid plasmonic nanostructures with a pore size of 220 nm exhibit enhanced photoresponse behavior with remarkably increased photocurrent by ≈43× and maintain low dark current under 490 nm light illumination at 1 V.
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Affiliation(s)
- Ming-Yu Li
- School of Science, Wuhan University of Technology, Wuhan, Hubei, 430070, China
| | - Kai Shen
- Department of Electronic and Electrical Engineering, University College London, London, WC1E 6BT, UK
| | - Hao Xu
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China
| | - Aobo Ren
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China
| | - Jihoon Lee
- College of Electronics and Information, Kwangwoon University, Nowon-gu, Seoul, 01897, South Korea
| | - Sundar Kunwar
- College of Electronics and Information, Kwangwoon University, Nowon-gu, Seoul, 01897, South Korea
| | - Sisi Liu
- School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, Hubei, 430074, China
| | - Jiang Wu
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China
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61
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Fan J, Kotov NA. Chiral Nanoceramics. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e1906738. [PMID: 32500963 DOI: 10.1002/adma.201906738] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Revised: 12/12/2019] [Accepted: 02/21/2020] [Indexed: 05/27/2023]
Abstract
The study of different chiral inorganic nanomaterials has been experiencing rapid growth during the past decade, with its primary focus on metals and semiconductors. Ceramic materials can substantially expand the range of mechanical, optical, chemical, electrical, magnetic, and biological properties of chiral nanostructures, further stimulating theoretical, synthetic, and applied research in this area. An ever-expanding toolbox of nanoscale engineering and self-organization provides a chirality-based methodology for engineering of hierarchically organized ceramic materials. However, fundamental discoveries and technological translations of chiral nanoceramics have received substantially smaller attention than counterparts from metals and semiconductors. Findings in this research area are scattered over a variety of sources and subfields. Here, the diversity of chemistries, geometries, and properties found in chiral ceramic nanostructures are summarized. They represent a compelling materials platform for realization of chirality transfer through multiple scales that can result in new forms of ceramic materials. Multiscale chiral geometries and the structural versatility of nanoceramics are complemented by their high chiroptical activity, enantioselectivity, catalytic activity, and biocompatibility. Future development in this field is likely to encompass chiral synthesis, biomedical applications, and optical/electronic devices. The implementation of computationally designed chiral nanoceramics for biomimetic catalysts and quantum information devices may also be expected.
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Affiliation(s)
- Jinchen Fan
- Department of Chemical Engineering and Department of Materials Science and Engineering, University of Michigan, Ann Arbor, MI, 48109, USA
- Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, College of Environmental and Chemical Engineering, Shanghai University of Electric Power, Shanghai, 200090, China
| | - Nicholas A Kotov
- Department of Chemical Engineering and Department of Materials Science and Engineering, University of Michigan, Ann Arbor, MI, 48109, USA
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62
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Xu W, Jia J, Wang T, Li C, He B, Zong J, Wang Y, Fan HJ, Xu H, Feng Y, Chen H. Continuous Tuning of Au–Cu
2
O Janus Nanostructures for Efficient Charge Separation. Angew Chem Int Ed Engl 2020; 59:22246-22251. [DOI: 10.1002/anie.202010613] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Indexed: 01/14/2023]
Affiliation(s)
- Wenjia Xu
- Institute of Advanced Synthesis School of Chemistry and Molecular Engineering Jiangsu National Synergetic Innovation Centre for Advanced Materials Nanjing Tech University Nanjing 211816 China
| | - Jia Jia
- Institute of Advanced Synthesis School of Chemistry and Molecular Engineering Jiangsu National Synergetic Innovation Centre for Advanced Materials Nanjing Tech University Nanjing 211816 China
| | - Ti Wang
- School of Physics and Technology Center for Nanoscience and Nanotechnology Key Laboratory of Artificial Micro- and Nanostructures of Ministry of Education Wuhan University Wuhan 430072 China
| | - Chao Li
- Tianjin Key Laboratory of Advanced Functional Porous Materials and Center for Electron Microscopy School of Materials Science and Engineering Tianjin University of Technology Tianjin 300384 China
| | - Bowen He
- Institute of Advanced Synthesis School of Chemistry and Molecular Engineering Jiangsu National Synergetic Innovation Centre for Advanced Materials Nanjing Tech University Nanjing 211816 China
| | - Jianpeng Zong
- Institute of Advanced Synthesis School of Chemistry and Molecular Engineering Jiangsu National Synergetic Innovation Centre for Advanced Materials Nanjing Tech University Nanjing 211816 China
| | - Yawen Wang
- Institute of Advanced Synthesis School of Chemistry and Molecular Engineering Jiangsu National Synergetic Innovation Centre for Advanced Materials Nanjing Tech University Nanjing 211816 China
| | - Hong Jin Fan
- School of Physical and Mathematical Sciences Nanyang Technological University Singapore 637371 Singapore
| | - Hongxing Xu
- School of Physics and Technology Center for Nanoscience and Nanotechnology Key Laboratory of Artificial Micro- and Nanostructures of Ministry of Education Wuhan University Wuhan 430072 China
| | - Yuhua Feng
- Institute of Advanced Synthesis School of Chemistry and Molecular Engineering Jiangsu National Synergetic Innovation Centre for Advanced Materials Nanjing Tech University Nanjing 211816 China
| | - Hongyu Chen
- Institute of Advanced Synthesis School of Chemistry and Molecular Engineering Jiangsu National Synergetic Innovation Centre for Advanced Materials Nanjing Tech University Nanjing 211816 China
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63
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Lee JW, Ha G, Park J, Song HG, Park JY, Lee J, Cho YH, Lee JL, Kim JK, Kim JK. AlGaN Deep-Ultraviolet Light-Emitting Diodes with Localized Surface Plasmon Resonance by a High-Density Array of 40 nm Al Nanoparticles. ACS APPLIED MATERIALS & INTERFACES 2020; 12:36339-36346. [PMID: 32672925 DOI: 10.1021/acsami.0c08916] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
We present a remarkable improvement in the efficiency of AlGaN deep-ultraviolet light-emitting diodes (LEDs) enabled by the coupling of localized surface plasmon resonance (LSPR) mediated by a high-density array of Al nanoparticles (NPs). The Al NPs with an average diameter of ∼40 nm were uniformly distributed near the Al0.43Ga0.57N/Al0.50Ga0.50N multiple quantum well active region for coupling 285 nm emission by block copolymer lithography. The internal quantum efficiency is enhanced by 57.7% because of the decreased radiative recombination lifetime by the LSPR. As a consequence, the AlGaN LEDs with an array of Al NPs show 33.3% enhanced electroluminescence with comparable electrical properties to those of reference LEDs without Al NPs.
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Affiliation(s)
- Jong Won Lee
- Department of Materials Science and Engineering, Pohang University of Science and Technology, 77 Cheongam-Ro, Nam-Gu, Pohang 37673, Korea
| | - Gyeongwon Ha
- Department of Chemical Engineering, Pohang University of Science and Technology, 77 Cheongam-Ro, Nam-Gu, Pohang 37673, Korea
| | - Jeonghyeon Park
- Department of Materials Science and Engineering, Pohang University of Science and Technology, 77 Cheongam-Ro, Nam-Gu, Pohang 37673, Korea
| | - Hyun Gyu Song
- Department of Physics and KI for the NanoCentury, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Yuseong-Gu, Daejeon 34141, Korea
| | - Jae Yong Park
- Department of Materials Science and Engineering, Pohang University of Science and Technology, 77 Cheongam-Ro, Nam-Gu, Pohang 37673, Korea
| | - Jaeyong Lee
- Department of Chemical Engineering, Pohang University of Science and Technology, 77 Cheongam-Ro, Nam-Gu, Pohang 37673, Korea
| | - Yong-Hoon Cho
- Department of Physics and KI for the NanoCentury, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Yuseong-Gu, Daejeon 34141, Korea
| | - Jong-Lam Lee
- Department of Materials Science and Engineering, Pohang University of Science and Technology, 77 Cheongam-Ro, Nam-Gu, Pohang 37673, Korea
| | - Jin Kon Kim
- Department of Chemical Engineering, Pohang University of Science and Technology, 77 Cheongam-Ro, Nam-Gu, Pohang 37673, Korea
| | - Jong Kyu Kim
- Department of Materials Science and Engineering, Pohang University of Science and Technology, 77 Cheongam-Ro, Nam-Gu, Pohang 37673, Korea
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Yu H, Zhang P, Lu S, Yang S, Peng F, Chang WS, Liu K. Synthesis and Multipole Plasmon Resonances of Spherical Aluminum Nanoparticles. J Phys Chem Lett 2020; 11:5836-5843. [PMID: 32610015 DOI: 10.1021/acs.jpclett.0c01754] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
In comparison to Au and Ag, the high plasma frequency of Al allows multipole plasmon resonances from the ultraviolet to visible (UV-vis) range to be achieved by its nanoparticles with much smaller sizes and even a spherical shape. Herein, we report the high-supersaturation growth of monodisperse spherical Al nanoparticles (Al NPs) from 84 to 200 nm and their distinctive size-dependent multipole plasmon resonance properties in the UV-vis range. Linear relationships between the particle diameter and resonance peak positions of the dipole, quadrupole, and octupole were observed experimentally and confirmed by finite-difference time-domain (FDTD) calculations. FDTD calculations further reveal the high scattering-to-extinction ratio of multipole modes for the particle diameters >100 nm. The extinction coefficients of spherical Al NPs with different diameters were also determined. The excellent matching between the experimental and simulated results in the present work not only offers a standard for the synthesis and characterization of high-quality Al NPs but also provides new insight into the multipole plasmonic properties of Al NPs for advanced optical and sensing applications.
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Affiliation(s)
- Hua Yu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, P. R. China
| | - Peng Zhang
- Department of Thoracic Surgery, First Hospital of Jilin University, Changchun 130021, P. R. China
| | - Shaoyong Lu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, P. R. China
| | - Shuang Yang
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, P. R. China
| | - Fei Peng
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, P. R. China
| | - Wei-Shun Chang
- Department of Chemistry and Biochemistry, University of Massachusetts Dartmouth, North Dartmouth, Massachusetts 02747, United States
| | - Kun Liu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, P. R. China
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Ringe E. Shapes, Plasmonic Properties, and Reactivity of Magnesium Nanoparticles. THE JOURNAL OF PHYSICAL CHEMISTRY. C, NANOMATERIALS AND INTERFACES 2020; 124:15665-15679. [PMID: 32905178 PMCID: PMC7467285 DOI: 10.1021/acs.jpcc.0c03871] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 06/10/2020] [Indexed: 05/19/2023]
Abstract
Localized surface plasmon resonances have attracted much attention due to their ability to enhance light-matter interactions and manipulate light at the subwavelength level. Recently, alternatives to the rare and expensive noble metals Ag and Au have been sought for more sustainable and large-scale plasmonic utilization. Mg supports plasmon resonances, is one of the most abundant elements in earth's crust, and is fully biocompatible, making it an attractive framework for plasmonics. This feature article first reports the hexagonal, folded, and kite-like shapes expected theoretically from a modified Wulff construction for single crystal and twinned Mg structures and describes their excellent match with experimental results. Then, the optical response of Mg nanoparticles is overviewed, highlighting Mg's ability to sustain localized surface plasmon resonances across the ultraviolet, visible, and near-infrared electromagnetic ranges. The various resonant modes of hexagons, leading to the highly localized electric field characteristic of plasmonic behavior, are presented numerically and experimentally. The evolution of these modes and the associated field from hexagons to the lower symmetry folded structures is then probed, again by matching simulations, optical, and electron spectroscopy data. Lastly, results demonstrating the opportunities and challenges related to the high chemical reactivity of Mg are discussed, including surface oxide formation and galvanic replacement as a synthetic tool for bimetallics. This Feature Article concludes with a summary of the next steps, open questions, and future directions in the field of Mg nanoplasmonics.
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Affiliation(s)
- Emilie Ringe
- Department of Materials Science
and Metallurgy, Department of Earth Sciences, University of Cambridge, Cambridge, United Kingdom CB2 3EQ
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66
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Travkin E, Kiel T, Sadofev S, Kalusniak S, Busch K, Benson O. Dispersion control in a near-infrared subwavelength resonator with a tailored hyperbolic metamaterial. OPTICS LETTERS 2020; 45:3665-3668. [PMID: 32630925 DOI: 10.1364/ol.397088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Accepted: 05/29/2020] [Indexed: 06/11/2023]
Abstract
We demonstrate experimentally and computationally an intricate cavity size dependence of the anomalous near-infrared mode spectrum of an ordinary optical resonator that is combined with a ZnO:Ga-based hyperbolic metamaterial (HMM). Specifically, we reveal the existence of a resonance in subwavelength-sized cavities and demonstrate control over the first-order cavity mode dispersion. We elaborate that these effects arise due to the HMM combining the mode dispersions of purely metallic and purely dielectric cavity cores into a distinct intermediate regime. By tailoring the HMM fill factor, this unique dispersion of a subwavelength resonator can be freely tuned between these two limiting cases.
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67
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Feng K, Wang S, Zhang D, Wang L, Yu Y, Feng K, Li Z, Zhu Z, Li C, Cai M, Wu Z, Kong N, Yan B, Zhong J, Zhang X, Ozin GA, He L. Cobalt Plasmonic Superstructures Enable Almost 100% Broadband Photon Efficient CO 2 Photocatalysis. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e2000014. [PMID: 32390222 DOI: 10.1002/adma.202000014] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/01/2020] [Revised: 04/04/2020] [Accepted: 04/14/2020] [Indexed: 06/11/2023]
Abstract
The efficiency of heterogeneous photocatalysis for converting solar to chemical energy is low on a per photon basis mainly because of the difficulty of capturing and utilizing light across the entire solar spectral wavelength range. This challenge is addressed herein with a plasmonic superstructure, fashioned as an array of nanoscale needles comprising cobalt nanocrystals assembled within a sheath of porous silica grown on a fluorine tin oxide substrate. This plasmonic superstructure can strongly absorb sunlight through different mechanisms including enhanced plasmonic excitation by the hybridization of Co nanoparticles in close proximity, as well as inter- and intra-band transitions. With nearly 100% sunlight harvesting ability, it drives the photothermal hydrogenation of carbon dioxide with a 20-fold rate increase from the silica-supported cobalt catalyst. The present work bridges the gap between strong light-absorbing plasmonic superstructures with photothermal CO2 catalysis toward the complete utilization of the solar energy.
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Affiliation(s)
- Kai Feng
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University-Western University Centre for Synchrotron Radiation Research, Soochow University, Suzhou, 215123, P. R. China
| | - Shenghua Wang
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University-Western University Centre for Synchrotron Radiation Research, Soochow University, Suzhou, 215123, P. R. China
| | - Dake Zhang
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University-Western University Centre for Synchrotron Radiation Research, Soochow University, Suzhou, 215123, P. R. China
| | - Lu Wang
- Materials Chemistry and Nanochemistry Research Group, Solar Fuels Cluster, Department of Chemistry, University of Toronto, Toronto, Ontario, M5S 3H6, Canada
| | - Yingying Yu
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University-Western University Centre for Synchrotron Radiation Research, Soochow University, Suzhou, 215123, P. R. China
| | - Kun Feng
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University-Western University Centre for Synchrotron Radiation Research, Soochow University, Suzhou, 215123, P. R. China
| | - Zhao Li
- Materials Chemistry and Nanochemistry Research Group, Solar Fuels Cluster, Department of Chemistry, University of Toronto, Toronto, Ontario, M5S 3H6, Canada
| | - Zhijie Zhu
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University-Western University Centre for Synchrotron Radiation Research, Soochow University, Suzhou, 215123, P. R. China
| | - Chaoran Li
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University-Western University Centre for Synchrotron Radiation Research, Soochow University, Suzhou, 215123, P. R. China
| | - Mujin Cai
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University-Western University Centre for Synchrotron Radiation Research, Soochow University, Suzhou, 215123, P. R. China
| | - Zhiyi Wu
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University-Western University Centre for Synchrotron Radiation Research, Soochow University, Suzhou, 215123, P. R. China
| | - Ning Kong
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University-Western University Centre for Synchrotron Radiation Research, Soochow University, Suzhou, 215123, P. R. China
| | - Binhang Yan
- Department of Chemical Engineering, Tsinghua University, Beijing, 100084, P. R. China
| | - Jun Zhong
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University-Western University Centre for Synchrotron Radiation Research, Soochow University, Suzhou, 215123, P. R. China
| | - Xiaohong Zhang
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University-Western University Centre for Synchrotron Radiation Research, Soochow University, Suzhou, 215123, P. R. China
| | - Geoffrey A Ozin
- Materials Chemistry and Nanochemistry Research Group, Solar Fuels Cluster, Department of Chemistry, University of Toronto, Toronto, Ontario, M5S 3H6, Canada
| | - Le He
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University-Western University Centre for Synchrotron Radiation Research, Soochow University, Suzhou, 215123, P. R. China
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Karaballi RA, Monfared YE, Dasog M. Overview of Synthetic Methods to Prepare Plasmonic Transition-Metal Nitride Nanoparticles. Chemistry 2020; 26:8499-8505. [PMID: 32068296 DOI: 10.1002/chem.201905217] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Indexed: 02/04/2023]
Abstract
The search for new plasmonic materials that are low-cost, chemically and thermally stable, and exhibit low optical losses has garnered significant attention among researchers. Recently, metal nitrides have emerged as promising alternatives to conventional, noble-metal-based plasmonic materials, such as silver and gold. Many of the initial studies on metal nitrides have focused on computational prediction of the plasmonic properties of these materials. In recent years, several synthetic methods have been developed to enable empirical analysis. This review highlights synthetic techniques for the preparation of plasmonic metal nitride nanoparticles, which are predominantly free-standing, by using solid-state and solid-gas phase reactions, nonthermal and arc plasma methods, and laser ablation. The physical properties of the nanoparticles, such as shape, size, crystallinity, and optical response, obtained with such synthetic methods are also summarized.
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Affiliation(s)
- Reem A Karaballi
- Department of Chemistry, Dalhousie University, 6274 Coburg Road, Halifax, NS, B3H 4R2, Canada
| | - Yashar E Monfared
- Department of Chemistry, Dalhousie University, 6274 Coburg Road, Halifax, NS, B3H 4R2, Canada
| | - Mita Dasog
- Department of Chemistry, Dalhousie University, 6274 Coburg Road, Halifax, NS, B3H 4R2, Canada
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69
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Karaballi RA, Esfahani Monfared Y, Dasog M. Photothermal Transduction Efficiencies of Plasmonic Group 4 Metal Nitride Nanocrystals. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:5058-5064. [PMID: 32338909 DOI: 10.1021/acs.langmuir.9b03975] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The photothermal transduction efficiencies of group 4 metal nitrides, TiN, ZrN, and HfN, at λ = 850 nm are reported, and the performance of these materials is compared to an Au nanorod benchmark. Transition metal nitride nanocrystals with an average diameter of ∼15 nm were prepared using a solid-state metathesis reaction. HfN exhibited the highest photothermal transduction efficiency of 65%, followed by ZrN (58%) and TiN (49%), which were all higher than those of the commercially purchased Au nanorods (43%). Computational studies performed using a finite element method showed HfN and Au to have the lowest and highest scattering cross section, respectively, which could be a contributing factor to the efficiency trends observed. Furthermore, the changes in temperature as a function of illumination intensity and solution concentration, as well as the cycling stability of the metal nitride solutions, were studied in detail.
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Affiliation(s)
- Reem A Karaballi
- Department of Chemistry, Dalhousie University, Halifax, NS B3N 4R2, Canada
| | | | - Mita Dasog
- Department of Chemistry, Dalhousie University, Halifax, NS B3N 4R2, Canada
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70
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Cheng C, Akram MN, Nilsen O, Pryds N, Wang K. Solar-driven plasmonic heterostructure Ti/TiO 2-x with gradient doping for sustainable plasmon-enhanced catalysis. Phys Chem Chem Phys 2020; 22:7769-7777. [PMID: 32236207 DOI: 10.1039/d0cp00672f] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Plasmon-enhanced harvesting of photons has contributed to the photochemical conversion and storage of solar energy. However, high dependence on noble metals and weak coupling in heterostructures constrain the progress towards sustainable plasmonic enhancement. Here earth-abundant Ti is studied to achieve the plasmonic enhancement of catalytic activity in a solar-driven heterostructure Ti/TiO2-x. The heterostructure was fabricated by engineering an intense coupling of a surface-etched Ti metal and a gradient-based TiO2-x dielectric via diffusion doping. Ti/TiO2-x exhibits a highly resonant light absorption band associated with surface plasmon resonances that exhibit strong near-field enhancement (NFE) and hot electron injection effects. In a photoelectrochemical system, intense interaction of the resonant plasmons with a vicinal TiO2-x dielectric accelerates the transfer of solar energy to charge carriers for plasmon-enhanced water splitting reactions. Moreover, the plasmonic Ti/TiO2-x structure presents sustained enhanced redox activities over 100 h. The intense coupling by gradient doping offers an effective approach to enable the plasmon resonances of Ti excited by visible light. The Ti-based plasmonic heterostructure potentially opens an alternative avenue towards sustainable plasmon-enhanced catalysis.
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Affiliation(s)
- Chaoqun Cheng
- Department of Microsystems, University of South-Eastern Norway, Raveien 215, 3184 Horten, Norway.
| | - Muhammad Nadeem Akram
- Department of Microsystems, University of South-Eastern Norway, Raveien 215, 3184 Horten, Norway.
| | - Ola Nilsen
- Department of Chemistry, University of Oslo, Postboks 1033, 0315 Oslo, Norway
| | - Nini Pryds
- Department of Energy Conversion and Storage, Technical University of Denmark, Risø Campus, 4000 Roskilde, Denmark
| | - Kaiying Wang
- Department of Microsystems, University of South-Eastern Norway, Raveien 215, 3184 Horten, Norway.
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71
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Zhao X, Bian F, Sun L, Cai L, Li L, Zhao Y. Microfluidic Generation of Nanomaterials for Biomedical Applications. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e1901943. [PMID: 31259464 DOI: 10.1002/smll.201901943] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 06/09/2019] [Indexed: 05/23/2023]
Abstract
As nanomaterials (NMs) possess attractive physicochemical properties that are strongly related to their specific sizes and morphologies, they are becoming one of the most desirable components in the fields of drug delivery, biosensing, bioimaging, and tissue engineering. By choosing an appropriate methodology that allows for accurate control over the reaction conditions, not only can NMs with high quality and rapid production rate be generated, but also designing composite and efficient products for therapy and diagnosis in nanomedicine can be realized. Recent evidence implies that microfluidic technology offers a promising platform for the synthesis of NMs by easy manipulation of fluids in microscale channels. In this Review, a comprehensive set of developments in the field of microfluidics for generating two main classes of NMs, including nanoparticles and nanofibers, and their various potentials in biomedical applications are summarized. Furthermore, the major challenges in this area and opinions on its future developments are proposed.
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Affiliation(s)
- Xin Zhao
- Department of Endocrinology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, 210009, P. R. China
- Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, 210002, P. R. China
| | - Feika Bian
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, P. R. China
| | - Lingyu Sun
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, P. R. China
| | - Lijun Cai
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, P. R. China
| | - Ling Li
- Department of Endocrinology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, 210009, P. R. China
| | - Yuanjin Zhao
- Department of Endocrinology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, 210009, P. R. China
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, P. R. China
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72
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Asselin J, Boukouvala C, Wu Y, Hopper ER, Collins SM, Biggins JS, Ringe E. Decoration of plasmonic Mg nanoparticles by partial galvanic replacement. J Chem Phys 2019; 151:244708. [PMID: 31893891 DOI: 10.1063/1.5131703] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Plasmonic structures have attracted much interest in science and engineering disciplines, exploring a myriad of potential applications owing to their strong light-matter interactions. Recently, the plasmonic concentration of energy in subwavelength volumes has been used to initiate chemical reactions, for instance by combining plasmonic materials with catalytic metals. In this work, we demonstrate that plasmonic nanoparticles of earth-abundant Mg can undergo galvanic replacement in a nonaqueous solvent to produce decorated structures. This method yields bimetallic architectures where partially oxidized 200-300 nm Mg nanoplates and nanorods support many smaller Au, Ag, Pd, or Fe nanoparticles, with potential for a stepwise process introducing multiple decoration compositions on a single Mg particle. We investigated this mechanism by electron-beam imaging and local composition mapping with energy-dispersive X-ray spectroscopy as well as, at the ensemble level, by inductively coupled plasma mass spectrometry. High-resolution scanning transmission electron microscopy further supported the bimetallic nature of the particles and provided details of the interface geometry, which includes a Mg oxide separation layer between Mg and the other metal. Depending on the composition of the metallic decorations, strong plasmonic optical signals characteristic of plasmon resonances were observed in the bulk with ultraviolet-visible spectrometry and at the single particle level with darkfield scattering. These novel bimetallic and multimetallic designs open up an exciting array of applications where one or multiple plasmonic structures could interact in the near-field of earth-abundant Mg and couple with catalytic nanoparticles for applications in sensing and plasmon-assisted catalysis.
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Affiliation(s)
- Jérémie Asselin
- Department of Materials Science and Metallurgy, University of Cambridge, Cambridge CB3 0FS, United Kingdom
| | - Christina Boukouvala
- Department of Materials Science and Metallurgy, University of Cambridge, Cambridge CB3 0FS, United Kingdom
| | - Yuchen Wu
- Department of Materials Science and Metallurgy, University of Cambridge, Cambridge CB3 0FS, United Kingdom
| | - Elizabeth R Hopper
- Department of Materials Science and Metallurgy, University of Cambridge, Cambridge CB3 0FS, United Kingdom
| | - Sean M Collins
- Department of Materials Science and Metallurgy, University of Cambridge, Cambridge CB3 0FS, United Kingdom
| | - John S Biggins
- Department of Engineering, University of Cambridge, Trumpington Street, Cambridge, CB2 1PZ, United Kingdom
| | - Emilie Ringe
- Department of Materials Science and Metallurgy, University of Cambridge, Cambridge CB3 0FS, United Kingdom
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73
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Gellé A, Jin T, de la Garza L, Price GD, Besteiro LV, Moores A. Applications of Plasmon-Enhanced Nanocatalysis to Organic Transformations. Chem Rev 2019; 120:986-1041. [PMID: 31725267 DOI: 10.1021/acs.chemrev.9b00187] [Citation(s) in RCA: 169] [Impact Index Per Article: 33.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Alexandra Gellé
- Centre for Green Chemistry and Catalysis, Department of Chemistry, McGill University, 801 Sherbrooke Street West, Montreal, Quebec H3A 0B8, Canada
| | - Tony Jin
- Centre for Green Chemistry and Catalysis, Department of Chemistry, McGill University, 801 Sherbrooke Street West, Montreal, Quebec H3A 0B8, Canada
| | - Luis de la Garza
- Centre for Green Chemistry and Catalysis, Department of Chemistry, McGill University, 801 Sherbrooke Street West, Montreal, Quebec H3A 0B8, Canada
| | - Gareth D. Price
- Centre for Green Chemistry and Catalysis, Department of Chemistry, McGill University, 801 Sherbrooke Street West, Montreal, Quebec H3A 0B8, Canada
| | - Lucas V. Besteiro
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 610054, China
- Centre Énergie Matériaux et Télécommunications, Institut National de la Recherche Scientifique, 1650 Boul. Lionel Boulet, Varennes, Quebec J3X 1S2, Canada
| | - Audrey Moores
- Centre for Green Chemistry and Catalysis, Department of Chemistry, McGill University, 801 Sherbrooke Street West, Montreal, Quebec H3A 0B8, Canada
- Department of Materials Engineering, McGill University, 3610 University Street, Montreal, Quebec H3A 0C5, Canada
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74
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Zhan C, Chen XJ, Huang YF, Wu DY, Tian ZQ. Plasmon-Mediated Chemical Reactions on Nanostructures Unveiled by Surface-Enhanced Raman Spectroscopy. Acc Chem Res 2019; 52:2784-2792. [PMID: 31532621 DOI: 10.1021/acs.accounts.9b00280] [Citation(s) in RCA: 77] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Surface plasmons (SPs) originating from the collective oscillation of conduction electrons in nanostructured metals (Au, Ag, Cu, etc.) can redistribute not only the electromagnetic fields but also the excited carriers (electrons and holes) and heat energy in time and space. Therefore, SPs can engage in a variety of processes, such as molecular spectroscopy and chemical reaction. Recently, plenty of demonstrations have made plasmon-mediated chemical reactions (PMCRs) a very active research field and make it as a promising approach to facilitate light-driven chemical reactions under mild conditions. Concurrently, making use of the same SPs, surface-enhanced Raman spectroscopy (SERS) with a high surface sensitivity and energy resolution becomes a powerful and commonly used technique for the in situ study of PMCRs. Typically, various effects induced by SPs, including the enhanced electromagnetic field, local heating, excited electrons, and excited holes, can mediate chemical reactions. Herein, we use the para-aminothiophenol (PATP) transformation as an example to elaborate how SERS can be used to study the mechanism of PMCR system combined with theoretical calculations. First, we distinguish the chemical transformation of PATP to 4,4'-dimercaptoazobenzene (DMAB) from the chemical enhancement mechanism of SERS through a series of theoretical and in situ SERS studies. Then, we focus on disentangling the photothermal, hot electrons, and "hot holes" effects in the SPs-induced PATP-to-DMAB conversion. Through varying the key reaction parameters, such as the wavelength and intensity of the incident light, using various core-shell plasmonic nanostructures with different charge transfer properties, we extract the key factors that influence the efficiency and mechanism of this reaction. We confidently prove that the transformation of PATP can occur on account of the oxygen activation induced by the hot electrons or because of the action of hot holes in the absence of oxygen and confirm the critical effect of the interface between the plasmonic nanostructure and reactants. The products of these two process are different. Furthermore, we compare the correlation between PMCRs and SERS, discuss different scenario of PMCRs in situ studied by SERS, and provide some suggestions for the SERS investigation on the PMCRs. Finally, we comment on the mechanism studies on how to distinguish the multieffects of SPs and their influence on the PMCRs, as well as on how to power the chemical reaction and regulate the product selectivity in higher efficiencies.
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Affiliation(s)
- Chao Zhan
- State Key Laboratory for Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Collaborative Innovation Center of Chemistry for Energy Materials, Xiamen University, Xiamen 361005, China
| | - Xue-Jiao Chen
- College of Materials Science and Engineering, Huaqiao University, Xiamen 361021, China
| | - Yi-Fan Huang
- State Key Laboratory for Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Collaborative Innovation Center of Chemistry for Energy Materials, Xiamen University, Xiamen 361005, China
| | - De-Yin Wu
- State Key Laboratory for Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Collaborative Innovation Center of Chemistry for Energy Materials, Xiamen University, Xiamen 361005, China
| | - Zhong-Qun Tian
- State Key Laboratory for Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Collaborative Innovation Center of Chemistry for Energy Materials, Xiamen University, Xiamen 361005, China
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75
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de la Mata M, Catalán-Gómez S, Nucciarelli F, Pau JL, Molina SI. High Spatial Resolution Mapping of Localized Surface Plasmon Resonances in Single Gallium Nanoparticles. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2019; 15:e1902920. [PMID: 31496053 DOI: 10.1002/smll.201902920] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 08/22/2019] [Indexed: 06/10/2023]
Abstract
Plasmonics has emerged as an attractive field driving the development of optical systems in order to control and exploit light-matter interactions. The increasing interest around plasmonic systems is pushing the research of alternative plasmonic materials, spreading the operability range from IR to UV. Within this context, gallium appears as an ideal candidate, potentially active within a broad spectral range (UV-VIS-IR), whose optical properties are scarcely reported. Importantly, the smart design of active plasmonic materials requires their characterization at high spatial and spectral resolution to access the optical fingerprint of individual nanostructures, attainable by transmission electron microscopy techniques (i.e., by means of electron energy-loss spectroscopy, EELS). Therefore, the optical response of individual Ga nanoparticles (NPs) by means of EELS measurements is analyzed, in order to spread the understanding of the plasmonic response of Ga NPs. The results show that single Ga NPs may support several plasmon modes, whose nature is extensively discussed.
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Affiliation(s)
- María de la Mata
- Departamento de Ciencia de los Materiales, Ing. Met. y Qca.Inorg., IMEYMAT, Universidad de Cádiz, 11510, Puerto Real, Spain
| | - Sergio Catalán-Gómez
- Grupo de Electrónica y Semiconductores, Departamento de Física Aplicada, Universidad Autónoma de Madrid, Cantoblanco, 28049, Madrid, Spain
| | - Flavio Nucciarelli
- Grupo de Electrónica y Semiconductores, Departamento de Física Aplicada, Universidad Autónoma de Madrid, Cantoblanco, 28049, Madrid, Spain
| | - José L Pau
- Grupo de Electrónica y Semiconductores, Departamento de Física Aplicada, Universidad Autónoma de Madrid, Cantoblanco, 28049, Madrid, Spain
| | - Sergio I Molina
- Departamento de Ciencia de los Materiales, Ing. Met. y Qca.Inorg., IMEYMAT, Universidad de Cádiz, 11510, Puerto Real, Spain
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76
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Cost-Effective and High-Throughput Plasmonic Interference Coupled Nanostructures by Using Quasi-Uniform Anodic Aluminum Oxide. COATINGS 2019. [DOI: 10.3390/coatings9070420] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Large-area and uniform plasmonic nanostructures have often been fabricated by simply evaporating noble metals such as gold and silver on a variety of nanotemplates such as nanopores, nanotubes, and nanorods. However, some highly uniform nanotemplates are limited to be utilized by long, complex, and expensive fabrication. Here, we introduce a cost-effective and high-throughput fabrication method for plasmonic interference coupled nanostructures based on quasi-uniform anodic aluminum oxide (QU-AAO) nanotemplates. Industrial aluminum, with a purity of 99.5%, and copper were used as a base template and a plasmonic material, respectively. The combination of these modifications saves more than 18 h of fabrication time and reduces the cost of fabrication 30-fold. From optical reflectance data, we found that QU-AAO based plasmonic nanostructures exhibit similar optical behaviors to highly ordered (HO) AAO-based nanostructures. By adjusting the thickness of the AAO layer and its pore size, we could easily control the optical properties of the nanostructures. Thus, we expect that QU-AAO might be effectively utilized for commercial plasmonic applications.
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77
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Zhang J, Li X, Liu D, Wang S, Yan J, Lu M, Xie X, Huang L, Huang W. Stirring revealed new functions of ethylenediamine and hydrazine in the morphology control of copper nanowires. NANOSCALE 2019; 11:11902-11909. [PMID: 31184692 DOI: 10.1039/c9nr01470e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Cu nanowires, as promising candidates in many fields because of their merits, are commonly prepared by the solution phase based synthesis which is a simple and scalable method. However, precise control of the morphology, particularly surface roughness, of Cu nanowires is still challenging; and moreover, detailed formation mechanisms of Cu nanowires, in solution phase based synthesis, are still unclear. We here show the morphology manipulation of Cu nanowires by adjusting the stirring rate and the amounts of ethylenediamine and hydrazine (N2H4), yielding Cu nanowires with either smooth or rough surface. Importantly, according to our experimental results and theoretical investigation, new functions of ethylenediamine and N2H4 are found, and a growth process of Cu nanowires is proposed accordingly. In addition to typically accepted roles of ethylenediamine and N2H4, we find that ethylenediamine can facilitate the growth of Cu nanowires by etching Cu oxides and even Cu on the surface of Cu nanowires. Meanwhile, N2H4 molecules can modulate the growth of Cu nanowires as a capping agent, which can be easily influenced by stirring. Additionally, the as-synthesized Cu nanowires with different morphologies exhibit different optical and catalytic properties. This study provides new fundamental insights into the growth mechanism of Cu nanowires, and thus can facilitate controlled synthesis of Cu nanowires for further applications, including electronics, catalysis, and sensing.
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Affiliation(s)
- Juan Zhang
- Key Laboratory of Flexible Electronics (KLOFE), Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing 211816, China.
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78
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Marquez S, Morales-Narváez E. Nanoplasmonics in Paper-Based Analytical Devices. Front Bioeng Biotechnol 2019; 7:69. [PMID: 30984755 PMCID: PMC6449474 DOI: 10.3389/fbioe.2019.00069] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Accepted: 03/11/2019] [Indexed: 11/24/2022] Open
Abstract
Chemical and biological sensing are crucial tools in science and technology. Plasmonic nanoparticles offer a virtually limitless number of photons for sensing applications, which can be available for visual detection over long periods. Moreover, cellulosic materials, such as paper, represent a versatile building block for implementation of simple, yet valuable, microfluidic analytical devices. This mini review outlines the basic theory of nanoplasmonics and the usability of paper as a nanoplasmonic substrate exploiting its features as a (bio)sensing platform based on different mechanisms depending on localized surface plasmon resonance response. Progress, current trends, challenges and opportunities are also underscored. It is intended for general researchers and technologists who are new to the topic as well as specialist/experts in the field.
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Affiliation(s)
- Salomón Marquez
- Biophotonic Nanosensors Laboratory, Centro de Investigaciones en Óptica A. C., León, Mexico
| | - Eden Morales-Narváez
- Biophotonic Nanosensors Laboratory, Centro de Investigaciones en Óptica A. C., León, Mexico
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79
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Karaballi RA, Humagain G, Fleischman BRA, Dasog M. Synthesis of Plasmonic Group‐4 Nitride Nanocrystals by Solid‐State Metathesis. Angew Chem Int Ed Engl 2019; 58:3147-3150. [DOI: 10.1002/anie.201813134] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Indexed: 11/08/2022]
Affiliation(s)
- Reem A. Karaballi
- Chemistry DepartmentDalhousie University 6274 Coburg Road Halifax Nova Scotia Canada
| | - Govinda Humagain
- Chemistry DepartmentDalhousie University 6274 Coburg Road Halifax Nova Scotia Canada
| | | | - Mita Dasog
- Chemistry DepartmentDalhousie University 6274 Coburg Road Halifax Nova Scotia Canada
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80
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Karaballi RA, Humagain G, Fleischman BRA, Dasog M. Synthesis of Plasmonic Group‐4 Nitride Nanocrystals by Solid‐State Metathesis. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201813134] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Reem A. Karaballi
- Chemistry DepartmentDalhousie University 6274 Coburg Road Halifax Nova Scotia Canada
| | - Govinda Humagain
- Chemistry DepartmentDalhousie University 6274 Coburg Road Halifax Nova Scotia Canada
| | | | - Mita Dasog
- Chemistry DepartmentDalhousie University 6274 Coburg Road Halifax Nova Scotia Canada
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81
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Jiang Q, Ji C, Riley DJ, Xie F. Boosting the Efficiency of Photoelectrolysis by the Addition of Non-Noble Plasmonic Metals: Al & Cu. NANOMATERIALS 2018; 9:nano9010001. [PMID: 30577444 PMCID: PMC6359664 DOI: 10.3390/nano9010001] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Revised: 12/10/2018] [Accepted: 12/15/2018] [Indexed: 01/29/2023]
Abstract
Solar water splitting by semiconductor based photoanodes and photocathodes is one of the most promising strategies to convert solar energy to chemical energy to meet the high demand for energy consumption in modern society. However, the state-of-the-art efficiency is too low to fulfill the demand. To overcome this challenge and thus enable the industrial realization of a solar water splitting device, different approaches have been taken to enhance the overall device efficiency, one of which is the incorporation of plasmonic nanostructures. Photoanodes and photocathodes coupled to the optimized plasmonic nanostructures, matching the absorption wavelength of the semiconductors, can exhibit a significantly increased efficiency. So far, gold and silver have been extensively explored to plasmonically enhance water splitting efficiency, with disadvantages of high cost and low enhancement. Instead, non-noble plasmonic metals such as aluminum and copper, are earth-abundant and low cost. In this article, we review their potentials in photoelectrolysis, towards scalable applications.
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Affiliation(s)
- Qianfan Jiang
- Department of Materials and London Centre for Nanotechnology, Imperial College London, London SW7 2AZ, UK.
| | - Chengyu Ji
- Department of Materials and London Centre for Nanotechnology, Imperial College London, London SW7 2AZ, UK.
| | - D Jason Riley
- Department of Materials and London Centre for Nanotechnology, Imperial College London, London SW7 2AZ, UK.
| | - Fang Xie
- Department of Materials and London Centre for Nanotechnology, Imperial College London, London SW7 2AZ, UK.
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82
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Keshavarz M, Tan B, Venkatakrishnan K. Label-Free SERS Quantum Semiconductor Probe for Molecular-Level and in Vitro Cellular Detection: A Noble-Metal-Free Methodology. ACS APPLIED MATERIALS & INTERFACES 2018; 10:34886-34904. [PMID: 30239189 DOI: 10.1021/acsami.8b10590] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Accurate in vitro molecular-level analysis is an essential step prior to in vivo and clinical application for early diagnosis and cancer treatment. Among the diagnostic techniques, surface-enhanced Raman scattering (SERS) biosensing has shown growing potential due to its noninvasive and real-time characterization of the biomolecules. However, the application of SERS biosensing is mostly limited to the plasmonic noble metals, in the form of either nanoparticles or tips and substrates (fixed probe), on which surface plasmon resonance (SPR) is the prominent enhancement principle. The semiconductor quantum particles have been explored in several optoelectronics applications, but have never been reported to be exploited as a means of surface-enhanced Raman scattering (SERS) for molecular-level and intracellular sensing. Here, we report on the new generation of noble-metal-free SERS probe; Si@SiO2 quantum probe (Si@SiO2 Q-probe) whose affinity to functional groups not only imitates a self-driven labeling attribution that enables charge transfer (CT) as an augmented enhancement principle but also its mobile nature in miniaturized scale facilitates endocytosis for in situ live cell biosensing. Moreover, a significant enhancement factor of 106 of rhodamine 6G (R6G) and 107 of glutathione (GSH) at ∼5 × 10-12 pM concentration has been achieved that is comparable to inherently plasmonic noble metals. Our results showed a capability of the Si@SiO2 Q-probe to unveil the "biochemical fingerprint" of substantial components of mammalian and cancerous cervical cells, which leads to diagnosis of cervical cancer. These unique attributions of the Si@SiO2 Q-probe can provide better insight into cell mutation and malignancy.
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Affiliation(s)
- Meysam Keshavarz
- Hamlyn Centre for Robotic Surgery , Imperial College London , Bessemer Building, South Kensington Campus, Exhibition Road , Kensington, London SW7 2AZ , U.K
| | | | - Krishnan Venkatakrishnan
- Keenan Research Centre for Biomedical Science , St. Michael's Hospital , Toronto , Ontario M5B 1W8 , Canada
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83
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Haldavnekar R, Venkatakrishnan K, Tan B. Non plasmonic semiconductor quantum SERS probe as a pathway for in vitro cancer detection. Nat Commun 2018; 9:3065. [PMID: 30076296 PMCID: PMC6076273 DOI: 10.1038/s41467-018-05237-x] [Citation(s) in RCA: 77] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Accepted: 06/20/2018] [Indexed: 12/17/2022] Open
Abstract
Surface-enhanced Raman scattering (SERS)-based cancer diagnostics is an important analytical tool in early detection of cancer. Current work in SERS focuses on plasmonic nanomaterials that suffer from coagulation, selectivity, and adverse biocompatibility when used in vitro, limiting this research to stand-alone biomolecule sensing. Here we introduce a label-free, biocompatible, ZnO-based, 3D semiconductor quantum probe as a pathway for in vitro diagnosis of cancer. By reducing size of the probes to quantum scale, we observed a unique phenomenon of exponential increase in the SERS enhancement up to ~106 at nanomolar concentration. The quantum probes are decorated on a nano-dendrite platform functionalized for cell adhesion, proliferation, and label-free application. The quantum probes demonstrate discrimination of cancerous and non-cancerous cells along with biomolecular sensing of DNA, RNA, proteins and lipids in vitro. The limit of detection is up to a single-cell-level detection.
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Affiliation(s)
- Rupa Haldavnekar
- Ultrashort Laser Nanomanufacturing Research Facility, Department of Mechanical and Industrial Engineering, Ryerson University, 350 Victoria Street, Toronto, M5B 2K3, ON, Canada
- BioNanoInterface Facility, Department of Mechanical and Industrial Engineering, Ryerson University, 350 Victoria Street, Toronto, M5B 2K3, ON, Canada
| | - Krishnan Venkatakrishnan
- Ultrashort Laser Nanomanufacturing Research Facility, Department of Mechanical and Industrial Engineering, Ryerson University, 350 Victoria Street, Toronto, M5B 2K3, ON, Canada.
- BioNanoInterface Facility, Department of Mechanical and Industrial Engineering, Ryerson University, 350 Victoria Street, Toronto, M5B 2K3, ON, Canada.
- Keenan Research Center for Biomedical Science, St. Michael's Hospital, 30 Bond Street, Toronto, M5B 1W8, ON, Canada.
| | - Bo Tan
- Nanocharacterization Laboratory, Department of Aerospace Engineering, Ryerson University, 350 Victoria Street, Toronto, ON, M5B 2K3, Canada
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