1
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Zhang Y, Chang K, Ogunlade B, Herndon L, Tadesse LF, Kirane AR, Dionne JA. From Genotype to Phenotype: Raman Spectroscopy and Machine Learning for Label-Free Single-Cell Analysis. ACS NANO 2024; 18:18101-18117. [PMID: 38950145 DOI: 10.1021/acsnano.4c04282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/03/2024]
Abstract
Raman spectroscopy has made significant progress in biosensing and clinical research. Here, we describe how surface-enhanced Raman spectroscopy (SERS) assisted with machine learning (ML) can expand its capabilities to enable interpretable insights into the transcriptome, proteome, and metabolome at the single-cell level. We first review how advances in nanophotonics-including plasmonics, metamaterials, and metasurfaces-enhance Raman scattering for rapid, strong label-free spectroscopy. We then discuss ML approaches for precise and interpretable spectral analysis, including neural networks, perturbation and gradient algorithms, and transfer learning. We provide illustrative examples of single-cell Raman phenotyping using nanophotonics and ML, including bacterial antibiotic susceptibility predictions, stem cell expression profiles, cancer diagnostics, and immunotherapy efficacy and toxicity predictions. Lastly, we discuss exciting prospects for the future of single-cell Raman spectroscopy, including Raman instrumentation, self-driving laboratories, Raman data banks, and machine learning for uncovering biological insights.
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Affiliation(s)
- Yirui Zhang
- Department of Materials Science and Engineering, Stanford University, Stanford, California 94305, United States
| | - Kai Chang
- Department of Electrical Engineering, Stanford University, Stanford, California 94305, United States
| | - Babatunde Ogunlade
- Department of Materials Science and Engineering, Stanford University, Stanford, California 94305, United States
| | - Liam Herndon
- Department of Chemical Engineering, Stanford University, Stanford, California 94305, United States
| | - Loza F Tadesse
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
- Ragon Institute of MGH, MIT and Harvard, Cambridge, Massachusetts 02139, United States
- Jameel Clinic for AI & Healthcare, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Amanda R Kirane
- Department of Surgery, Stanford University, Stanford, California 94305, United States
| | - Jennifer A Dionne
- Department of Materials Science and Engineering, Stanford University, Stanford, California 94305, United States
- Department of Radiology, Molecular Imaging Program at Stanford (MIPS), Stanford University School of Medicine, Stanford, California 94305, United States
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2
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Improved Sensitivity of Surface-Enhanced Raman Scattering with Gold Nanoparticles-Insulator-Metal Sandwich Layers on Flat Sapphire Substrate. NANOMATERIALS 2021; 11:nano11092416. [PMID: 34578732 PMCID: PMC8468857 DOI: 10.3390/nano11092416] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 09/12/2021] [Accepted: 09/13/2021] [Indexed: 11/16/2022]
Abstract
Surface-enhanced Raman scattering (SERS) as a high sensitivity analytical method for molecule detection has attracted much attention in recent research. In this work, we demonstrated an improved SERS substrate, which has the gold nanoparticles randomly distributed on a SiO2 interception layer over a gold thin film layer on the flat sapphire substrate (AuNP/SiO2/Au/Sapphire), over the dispersed gold nanoparticles on a silicon substrate (AuNP/Si), for detection of R6G (1 × 10−6 M) in a Raman microscope. The fabrication of sandwich layers on top of the sapphire substrate involves evaporation of a gold mirror as thick as 100 nm, plasma enhanced chemical vapor deposition of the silica insulator layer 10 nm thick, and evaporation of a thin gold layer 10 nm thick for forming gold nanoparticles. For comparison, a gold thin film with a thickness of 5 nm and 10 nm was evaporated on a silicon substrate, respectively (AuNP/Si), as the reference SERS substrates in the experiment. The AuNP/SiO2/Au/Sapphire substrate demonstrated improved sensitivity in detection of molecules in Raman microscopy, which can enable the molecules to be recognizable at a low laser power as 8.5 × 10−3 mW, 0.017 mW, 0.085 mW, and 0.17 mW for ultrashort exposure time. The simulation of AuNP/SiO2/Au/Sapphire substrate and AuNP/Si substrate, based on the finite-difference time-domain (FDTD) method, explained the improved sensitivity for detection of R6G molecules from the view of classical electromagnetics, and it suggested the optimized size for the gold nanoparticles and the optimized laser wavelength for Raman microscopy for further research.
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3
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Shi CF, Zheng B, Li J, Zhou Y, Liu HL, Ahmed SA, Wang K, Xia XH. Three-Dimensional Metamaterial for Plasmon-Enhanced Raman Scattering at any Excitation Wavelengths from the Visible to Near-Infrared Range. Anal Chem 2020; 93:1409-1415. [DOI: 10.1021/acs.analchem.0c03220] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Cai-Feng Shi
- State Key Lab of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, 210023 Nanjing, China
| | - Bo Zheng
- State Key Lab of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, 210023 Nanjing, China
| | - Jian Li
- State Key Lab of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, 210023 Nanjing, China
| | - Yue Zhou
- State Key Lab of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, 210023 Nanjing, China
| | - Hai-Ling Liu
- State Key Lab of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, 210023 Nanjing, China
| | - Saud Asif Ahmed
- State Key Lab of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, 210023 Nanjing, China
| | - Kang Wang
- State Key Lab of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, 210023 Nanjing, China
| | - Xing-Hua Xia
- State Key Lab of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, 210023 Nanjing, China
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4
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Liu X, Chang Q, Yan M, Wang X, Zhang H, Zhou H, Fan T. Scalable spectrally selective mid-infrared meta-absorbers for advanced radiative thermal engineering. Phys Chem Chem Phys 2020; 22:13965-13974. [PMID: 32609110 DOI: 10.1039/d0cp01943g] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Metamaterials with spectrally selective absorptance operating in the mid-infrared range have attracted much interest in numerous applications. However, it remains a challenge to economically fabricate scalable meta-absorbers with tailorable absorptance bands. This work demonstrates a conceptually simple and low-cost yet effective design strategy to achieve spectrally selective absorption with tailorable band positions at MIR by colloidal lithography. The strategy ingeniously uses residual diameter fluctuations of circular resonators etched through monodisperse colloidal particles for achieving superposition of multiple magnetic resonances and thereby a more than doubled absorption band, which is neglected in previous works. The proposed meta-absorber features densely packed thick aluminum resonators with a rather narrow diameter distribution and enhanced capacitive coupling among them. Moreover, the tailorability of the absorption band can be achieved by a parameterized variation in the fabrication process. As a proof of concept, infrared stealth and radiative cooling are demonstrated based on our meta-absorbers. The design and fabrication strategy create versatile metamaterials for advanced radiative thermal engineering.
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Affiliation(s)
- Xianghui Liu
- State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China.
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5
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Narasimhan V, Siddique RH, Park H, Choo H. Bioinspired Disordered Flexible Metasurfaces for Human Tear Analysis Using Broadband Surface-Enhanced Raman Scattering. ACS OMEGA 2020; 5:12915-12922. [PMID: 32548475 PMCID: PMC7288574 DOI: 10.1021/acsomega.0c00677] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Accepted: 05/06/2020] [Indexed: 05/25/2023]
Abstract
Flexible surface-enhanced Raman scattering (SERS) has received attention as a means to move SERS-based broadband biosensing from bench to bedside. However, traditional flexible periodic nano-arrangements with sharp plasmonic resonances or their random counterparts with spatially varying uncontrollable enhancements are not reliable for practical broadband biosensing. Here, we report bioinspired quasi-(dis)ordered nanostructures presenting a broadband yet tunable application-specific SERS enhancement profile. Using simple, scalable biomimetic fabrication, we create a flexible metasurface (flex-MS) of quasi-(dis)ordered metal-insulator-metal (MIM) nanostructures with spectrally variable, yet spatially controlled electromagnetic hotspots. The MIM is designed to simultaneously localize the electromagnetic signal and block background Raman signals from the underlying polymeric substrate-an inherent problem of flexible SERS. We elucidate the effect of quasi-(dis)ordering on broadband tunable SERS enhancement and employ the flex-MS in a practical broadband SERS demonstration to detect human tear uric acid within its physiological concentration range (25-150 μM). The performance of the flex-MS toward noninvasively detecting whole human tear uric acid levels ex vivo is in good agreement with a commercial enzyme-based assay.
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Affiliation(s)
- Vinayak Narasimhan
- Department
of Medical Engineering, California Institute
of Technology, Pasadena, California 91125, United States
| | - Radwanul Hasan Siddique
- Department
of Medical Engineering, California Institute
of Technology, Pasadena, California 91125, United States
- Image
Sensor Lab, Samsung Semiconductor, Inc., Pasadena, California 91101, United States
| | - Haeri Park
- Department
of Medical Engineering, California Institute
of Technology, Pasadena, California 91125, United States
| | - Hyuck Choo
- Department
of Electrical Engineering, California Institute
of Technology, Pasadena, California 91125, United States
- Samsung
Advanced Institute of Technology, Samsung
Electronics, Suwon, Gyeonggi-do 16678, South Korea
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6
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Kim S, Jung HS, Kim DH, Kim SH, Park SG. 3D nanoporous plasmonic chips for extremely sensitive NO 2 detection. Analyst 2019; 144:7162-7167. [PMID: 31710050 DOI: 10.1039/c9an01697j] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The detection of toxic gas molecules using the surface-enhanced Raman spectroscopy (SERS) technique is very challenging due to the low affinity of gas molecules. Here, we report extremely sensitive SERS-based NO2 gas sensors based on 3D nanoporous Au nanostructures with a high affinity for NO2 gas molecules and high density of hotspots.
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Affiliation(s)
- Sunho Kim
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, South Korea.
| | - Ho Sang Jung
- Advanced Nano-Surface Department (ANSD), Korea Institute of Materials Science (KIMS), Changwon, Gyeongnam 51508, Korea.
| | - Dong-Ho Kim
- Advanced Nano-Surface Department (ANSD), Korea Institute of Materials Science (KIMS), Changwon, Gyeongnam 51508, Korea.
| | - Shin-Hyun Kim
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, South Korea.
| | - Sung-Gyu Park
- Advanced Nano-Surface Department (ANSD), Korea Institute of Materials Science (KIMS), Changwon, Gyeongnam 51508, Korea.
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7
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Milewska A, Zivanovic V, Merk V, Arnalds UB, Sigurjónsson ÓE, Kneipp J, Leosson K. Gold nanoisland substrates for SERS characterization of cultured cells. BIOMEDICAL OPTICS EXPRESS 2019; 10:6172-6188. [PMID: 31853393 PMCID: PMC6913407 DOI: 10.1364/boe.10.006172] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Revised: 11/01/2019] [Accepted: 11/03/2019] [Indexed: 05/17/2023]
Abstract
We demonstrate a simple approach for fabricating cell-compatible SERS substrates, using repeated gold deposition and thermal annealing. The substrates exhibit SERS enhancement up to six orders of magnitude and high uniformity. We have carried out Raman imaging of fixed mesenchymal stromal cells cultured directly on the substrates. Results of viability assays confirm that the substrates are highly biocompatible and Raman imaging confirms that cell attachment to the substrates is sufficient to realize significant SERS enhancement of cellular components. Using the SERS substrates as an in vitro sensing platform allowed us to identify multiple characteristic molecular fingerprints of the cells, providing a promising avenue towards non-invasive chemical characterization of biological samples.
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Affiliation(s)
- Adrianna Milewska
- Innovation Center Iceland, Árleynir 2–8, 112 Reykjavík, Iceland
- The Blood Bank, Landspitali University Hospital, Snorrabraut 60, 105 Reykjavík, Iceland
- University of Iceland, School of Engineering and Natural Sciences, Sæmundargötu 2, 101 Reykjavík, Iceland
| | - Vesna Zivanovic
- Humboldt University, Brook-Taylor-Str. 2, 12489, Berlin, Germany
| | - Virginia Merk
- Humboldt University, Brook-Taylor-Str. 2, 12489, Berlin, Germany
| | - Unnar B. Arnalds
- Science Institute, University of Iceland, Dunhaga 3, 107 Reykjavík, Iceland
| | - Ólafur E. Sigurjónsson
- The Blood Bank, Landspitali University Hospital, Snorrabraut 60, 105 Reykjavík, Iceland
- Reykjavik University, School of Science and Engineering, Menntavegur 1, 101 Reykjavík, Iceland
| | - Janina Kneipp
- Humboldt University, Brook-Taylor-Str. 2, 12489, Berlin, Germany
| | - Kristjan Leosson
- Innovation Center Iceland, Árleynir 2–8, 112 Reykjavík, Iceland
- Science Institute, University of Iceland, Dunhaga 3, 107 Reykjavík, Iceland
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8
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Wang Y, Zhu D, Cui Z, Hou L, Lin L, Qu F, Liu X, Nie P. All-Dielectric Terahertz Plasmonic Metamaterial Absorbers and High-Sensitivity Sensing. ACS OMEGA 2019; 4:18645-18652. [PMID: 31737824 PMCID: PMC6854574 DOI: 10.1021/acsomega.9b02506] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Accepted: 10/17/2019] [Indexed: 05/25/2023]
Abstract
Two types of plasmonic metamaterial absorbers (PMAs) formed from patterned all-dielectric resonators are designed and demonstrated experimentally in the terahertz (THz) range. Both PMAs use a simple grating design on highly N-doped silicon. The first shows broadband absorption with near-perfect peak absorbance at 1.45 THz and a bandwidth of 1.05 THz for 90% absorbance, while the second is a dual-band absorber. Experiments show that the second absorber has two distinct absorption peaks at 0.96 and 1.92 THz with absorption rates of 99.7 and 99.9%, respectively. A fundamental cavity mode coupled to coaxial surface plasmon polaritons is responsible for the characteristics of both PMAs. Additionally, the optically tunable responses of these all-dielectric absorbers demonstrate that the absorption behavior can be modified. The quality factor (Q) values of the dual-band resonances are 4.6 and 7.8 times larger than those of the broadband PMAs, respectively, which leads to a better sensing performance. As an example, the two proposed PMAs act as high-sensitivity sensors and demonstrate considerable potential for chlorpyrifos detection. These results show that these PMAs can be used as sensors that can detect the presence of trace pesticides in adsorption analyses, among other practical applications.
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Affiliation(s)
- Yue Wang
- Key
Laboratory of Ultrafast Photoelectric Technology and Terahertz Science
in Shaanxi, Xi’an University of Technology, Xi’an 710048, China
- Key
Laboratory of Engineering Dielectric and Its Application, Ministry
of Education, Harbin University of Science
and Technology, Harbin 15008, China
| | - Dongying Zhu
- Key
Laboratory of Engineering Dielectric and Its Application, Ministry
of Education, Harbin University of Science
and Technology, Harbin 15008, China
| | - Zijian Cui
- Key
Laboratory of Engineering Dielectric and Its Application, Ministry
of Education, Harbin University of Science
and Technology, Harbin 15008, China
| | - Lei Hou
- Key
Laboratory of Ultrafast Photoelectric Technology and Terahertz Science
in Shaanxi, Xi’an University of Technology, Xi’an 710048, China
| | - Lei Lin
- College
of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China
| | - Fangfang Qu
- College
of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China
| | - Xiaoxi Liu
- College
of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China
| | - Pengcheng Nie
- College
of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China
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9
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Mao P, Chen Q, Wang GH, Han M. Gas-phase deposited plasmonic nanoparticles supported on 3D-graphene/nickel foam for highly SERS detection. CHINESE J CHEM PHYS 2019. [DOI: 10.1063/1674-0068/cjcp1812294] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Affiliation(s)
- Peng Mao
- College of Electronic and Optical Engineering & College of Microelectronics, Nanjing University of Posts and Telecommunications, Nanjing 210023, China
- School of Physics and Astronomy, University of Birmingham, B15 2TT, United Kingdom
| | - Qiang Chen
- National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences and Collaborative Innovation Centre of Advanced Microstructures, Nanjing University, Nanjing 210093, China
| | - Guang-hou Wang
- National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences and Collaborative Innovation Centre of Advanced Microstructures, Nanjing University, Nanjing 210093, China
| | - Min Han
- National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences and Collaborative Innovation Centre of Advanced Microstructures, Nanjing University, Nanjing 210093, China
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10
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Large-Area, Cost-Effective, Ultra-Broadband Perfect Absorber Utilizing Manganese in Metal-Insulator-Metal Structure. Sci Rep 2018; 8:9162. [PMID: 29907773 PMCID: PMC6003956 DOI: 10.1038/s41598-018-27397-y] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Accepted: 06/01/2018] [Indexed: 11/09/2022] Open
Abstract
Achieving broadband absorption has been a topic of intensive research over the last decade. However, the costly and time consuming stage of lithography has always been a barrier for the large-area and mass production of absorbers. In this work, we designed, fabricated, and characterized a lithography-free, large-area compatible, omni-directional, ultra-broadband absorber that consists of the simplest geometrical configuration for absorbers: Metal-Insulator-Metal (MIM). We introduced and utilized Manganese (Mn) for the first time as a very promising metal for broadband absorption applications. We optimized the structure step-by-step and compared Mn against the other best candidates introduced so far in broadband absorption structures and showed the better performance of Mn compared to them. It also has the advantage of being cheaper compared to metals like gold that has been utilized in many patterned broadband absorbers. We also presented the circuit model of the structure. We experimentally achieved over 94 percent average absorption in the range of 400-900 nm (visible and above) and we obtained absorption as high as 99.6 percent at the wavelength of 626.4 nm. We also experimentally demonstrated that this structure retains broadband absorption for large angles up to 70 degrees.
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11
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Plasmonic substrates for surface enhanced Raman scattering. Anal Chim Acta 2017; 984:19-41. [DOI: 10.1016/j.aca.2017.06.002] [Citation(s) in RCA: 68] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2016] [Revised: 05/30/2017] [Accepted: 06/01/2017] [Indexed: 02/04/2023]
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12
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Ghobadi A, Dereshgi SA, Hajian H, Bozok B, Butun B, Ozbay E. Ultra-broadband, wide angle absorber utilizing metal insulator multilayers stack with a multi-thickness metal surface texture. Sci Rep 2017; 7:4755. [PMID: 28684879 PMCID: PMC5500529 DOI: 10.1038/s41598-017-04964-3] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Accepted: 05/22/2017] [Indexed: 11/25/2022] Open
Abstract
In this paper, we propose a facile route to fabricate a metal insulator multilayer stack to obtain ultra-broadband, wide angle behavior from the structure. The absorber, which covers near infrared (NIR) and visible (Vis) ranges, consists of a metal-insulator-metal-insulator (MIMI) multilayer where the middle metal layer has a variant thickness. It is found that this non-uniform thickness of the metal provides us with an absorption that is much broader compared to planar architecture. In the non-uniform case, each thickness is responsible for a specific wavelength range where the overall absorption is the superposition of these resonant responses and consequently a broad, perfect light absorption is attained. We first numerically examine the impact of different geometries on the overall light absorption property of the multilayer design. Afterward, we fabricate the designs and characterize them to experimentally verify our numerical findings. Characterizations show a good agreement with numerical results where the optimum absorption bandwidth for planar design is found to be 620 nm (380 nm-1000 nm) and it is significantly boosted to an amount of 1060 nm (350 nm-1410 nm) for multi-thickness case.
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Affiliation(s)
- Amir Ghobadi
- NANOTAM-Nanotechnology Research Center, Bilkent University, 06800, Ankara, Turkey.
- Department of Electrical and Electronics Engineering, Bilkent University, 06800, Ankara, Turkey.
| | - Sina Abedini Dereshgi
- NANOTAM-Nanotechnology Research Center, Bilkent University, 06800, Ankara, Turkey
- Department of Electrical and Electronics Engineering, Bilkent University, 06800, Ankara, Turkey
| | - Hodjat Hajian
- NANOTAM-Nanotechnology Research Center, Bilkent University, 06800, Ankara, Turkey
| | - Berkay Bozok
- NANOTAM-Nanotechnology Research Center, Bilkent University, 06800, Ankara, Turkey
- Department of Electrical and Electronics Engineering, Bilkent University, 06800, Ankara, Turkey
| | - Bayram Butun
- NANOTAM-Nanotechnology Research Center, Bilkent University, 06800, Ankara, Turkey
| | - Ekmel Ozbay
- NANOTAM-Nanotechnology Research Center, Bilkent University, 06800, Ankara, Turkey.
- Department of Electrical and Electronics Engineering, Bilkent University, 06800, Ankara, Turkey.
- Department of Physics, Bilkent University, 06800, Ankara, Turkey.
- UNAM-Institute of Materials Science and Nanotechnology, Bilkent University, Ankara, Turkey.
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13
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Siddique RH, Mertens J, Hölscher H, Vignolini S. Scalable and controlled self-assembly of aluminum-based random plasmonic metasurfaces. LIGHT, SCIENCE & APPLICATIONS 2017; 6:e17015. [PMID: 30167271 PMCID: PMC6062228 DOI: 10.1038/lsa.2017.15] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2016] [Revised: 01/31/2017] [Accepted: 02/15/2017] [Indexed: 05/05/2023]
Abstract
Subwavelength metal-dielectric plasmonic metasurfaces enable light management beyond the diffraction limit. However, a cost-effective and reliable fabrication method for such structures remains a major challenge hindering their full exploitation. Here, we propose a simple yet powerful manufacturing route for plasmonic metasurfaces based on a bottom-up approach. The fabricated metasurfaces consist of a dense distribution of randomly oriented nanoscale scatterers composed of aluminum (Al) nanohole-disk pairs, which exhibit angle-independent scattering that is tunable across the entire visible spectrum. The macroscopic response of the metasurfaces is controlled via the properties of an isolated Al nanohole-disk pair at the nanoscale. In addition, the optical field confinement at the scatterers and their random distribution of sizes result in a strongly enhanced Raman signal that enables broadly tunable excitation using a single substrate. This unique combination of a reliable and lithography-free methodology with the use of aluminum permits the exploitation of the full potential of random plasmonic metasurfaces for diagnostics and coloration.
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Affiliation(s)
- Radwanul Hasan Siddique
- Institute for Microstructure Technology, Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, Eggenstein-Leopoldshafen, Karlsruhe 76344, Germany
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, UK
| | - Jan Mertens
- Department of Physics, NanoPhotonics Group, Kapitza Building, Cavendish Laboratory, University of Cambridge, Cambridge CB3 0HE, UK
| | - Hendrik Hölscher
- Institute for Microstructure Technology, Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, Eggenstein-Leopoldshafen, Karlsruhe 76344, Germany
| | - Silvia Vignolini
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, UK
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14
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Odebo Länk N, Verre R, Johansson P, Käll M. Large-Scale Silicon Nanophotonic Metasurfaces with Polarization Independent Near-Perfect Absorption. NANO LETTERS 2017; 17:3054-3060. [PMID: 28358487 DOI: 10.1021/acs.nanolett.7b00416] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Optically thin perfect light absorbers could find many uses in science and technology. However, most physical realizations of perfect absorption for the optical range rely on plasmonic excitations in nanostructured metallic metasurfaces, for which the absorbed light energy is quickly lost as heat due to rapid plasmon decay. Here we show that a silicon metasurface excited in a total internal reflection configuration can absorb at least 97% of incident near-infrared light due to interferences between coherent electric and magnetic dipole scattering from the silicon nanopillars that build up the metasurface and the reflected wave from the supporting glass substrate. This "near-perfect" absorption phenomenon loads more than 50 times more light energy into the semiconductor than what would be the case for a uniform silicon sheet of equal surface density, irrespective of incident polarization. We envisage that the concept could be used for the development of novel light harvesting and optical sensor devices.
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Affiliation(s)
- Nils Odebo Länk
- Department of Physics, Chalmers University of Technology , 412 96 Göteborg, Sweden
| | - Ruggero Verre
- Department of Physics, Chalmers University of Technology , 412 96 Göteborg, Sweden
| | - Peter Johansson
- Department of Physics, Chalmers University of Technology , 412 96 Göteborg, Sweden
- School of Science and Technology, Örebro University , 701 82 Örebro, Sweden
| | - Mikael Käll
- Department of Physics, Chalmers University of Technology , 412 96 Göteborg, Sweden
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15
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Ultra-broadband Tunable Resonant Light Trapping in a Two-dimensional Randomly Microstructured Plasmonic-photonic Absorber. Sci Rep 2017; 7:43803. [PMID: 28256599 PMCID: PMC5335598 DOI: 10.1038/srep43803] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Accepted: 01/30/2017] [Indexed: 11/08/2022] Open
Abstract
Recently, techniques involving random patterns have made it possible to control the light trapping of microstructures over broad spectral and angular ranges, which provides a powerful approach for photon management in energy efficiency technologies. Here, we demonstrate a simple method to create a wideband near-unity light absorber by introducing a dense and random pattern of metal-capped monodispersed dielectric microspheres onto an opaque metal film; the absorber works due to the excitation of multiple optical and plasmonic resonant modes. To further expand the absorption bandwidth, two different-sized metal-capped dielectric microspheres were integrated into a densely packed monolayer on a metal back-reflector. This proposed ultra-broadband plasmonic-photonic super absorber demonstrates desirable optical trapping in dielectric region and slight dispersion over a large incident angle range. Without any effort to strictly control the spatial arrangement of the resonant elements, our absorber, which is based on a simple self-assembly process, has the critical merits of high reproducibility and scalability and represents a viable strategy for efficient energy technologies.
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16
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Lee M, Jeon TY, Mun C, Kwon JD, Yun J, Kim SH, Kim DH, Chang SC, Park SG. 3D multilayered plasmonic nanostructures with high areal density for SERS. RSC Adv 2017. [DOI: 10.1039/c6ra28150h] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Highly efficient 3D plasmonic nanostructures with high areal density for SERS are reported.
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Affiliation(s)
- MinKyoung Lee
- Advanced Functional Thin Films Department
- Korea Institute of Materials Science (KIMS)
- Changwon
- Korea
- Institute of BioPhysio Sensor Technology
| | - Tae Yoon Jeon
- Department of Chemical and Biomolecular Engineering (BK21+ Program)
- KAIST
- Daejeon
- Korea
| | - ChaeWon Mun
- Advanced Functional Thin Films Department
- Korea Institute of Materials Science (KIMS)
- Changwon
- Korea
| | - Jung-Dae Kwon
- Advanced Functional Thin Films Department
- Korea Institute of Materials Science (KIMS)
- Changwon
- Korea
| | - Jungheum Yun
- Advanced Functional Thin Films Department
- Korea Institute of Materials Science (KIMS)
- Changwon
- Korea
| | - Shin-Hyun Kim
- Department of Chemical and Biomolecular Engineering (BK21+ Program)
- KAIST
- Daejeon
- Korea
| | - Dong-Ho Kim
- Advanced Functional Thin Films Department
- Korea Institute of Materials Science (KIMS)
- Changwon
- Korea
| | - Seung-Cheol Chang
- Institute of BioPhysio Sensor Technology
- Graduate Department of Molecular Science Technology
- Pusan National University
- Busan 46241
- Korea
| | - Sung-Gyu Park
- Advanced Functional Thin Films Department
- Korea Institute of Materials Science (KIMS)
- Changwon
- Korea
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17
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Zhao Y, Li X, Zhang L, Chu B, Liu Q, Lu Y. Graphene sandwiched platform for surface-enhanced Raman scattering. RSC Adv 2017. [DOI: 10.1039/c7ra10401d] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The gold nanoparticle–monolayer graphene–silver nanoarray sandwich structure exhibits excellent SERS activity of high sensitivity and good reproducibility.
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Affiliation(s)
- Yuan Zhao
- School of Physics and Optoelectronic Engineering
- Ludong University
- Yantai 264025
- China
| | - Xiyu Li
- School of Chemistry and Materials Science
- University of Science and Technology of China
- Hefei
- China
| | - Lichun Zhang
- School of Physics and Optoelectronic Engineering
- Ludong University
- Yantai 264025
- China
| | - Binhua Chu
- School of Physics and Optoelectronic Engineering
- Ludong University
- Yantai 264025
- China
| | - Qiyi Liu
- School of Food Engineering
- Ludong University
- Yantai 264025
- China
| | - Yalin Lu
- School of Chemistry and Materials Science
- University of Science and Technology of China
- Hefei
- China
- Laser Optics Research Center
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18
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Li K, Wang Y, Jiang K, Ren Y, Dai Y, Lu Y, Wang P. Large-area, reproducible and sensitive plasmonic MIM substrates for surface-enhanced Raman scattering. NANOTECHNOLOGY 2016; 27:495402. [PMID: 27827351 DOI: 10.1088/0957-4484/27/49/495402] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Vertically coupled plasmonic structure is of great interest for surface-enhanced Raman scattering (SERS). In this paper, a large-area reproducible SERS substrate is fabricated and demonstrated by a vertically coupled structure composed of Ag triangle arrays on Ag films separated by a nanometric dielectric layer. This metal-insulator-metal (MIM) nanostructure has broadband resonance covering both the laser excitation and Stokes frequencies. Thanks to the convenience of controlling the gap distance by thin dielectric film, the SERS substrate is optimized to yield the best enhancement. The SERS enhancement factor is estimated to be 5.8 × 106 for on-resonant pumping with a 532 nm laser. The uniformity and reproducibility of the SERS substrate are also demonstrated. Our results pave the way for rational design of sensitive SERS substrates and harmless exciting SERS signals.
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Affiliation(s)
- Kuanguo Li
- Department of Optics and Optical Engineering & Anhui Key Laboratory of Optoelectronic Science and Technology, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China. College of Physics and Electronics Information, Anhui Normal University, Wuhu, Anhui 241000, People's Republic of China
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19
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Wang X, Wang R, Zhai H, Shen X, Wang T, Shi L, Yu R, Sun J. Room-Temperature Surface Modification of Cu Nanowires and Their Applications in Transparent Electrodes, SERS-Based Sensors, and Organic Solar Cells. ACS APPLIED MATERIALS & INTERFACES 2016; 8:28831-28837. [PMID: 27701862 DOI: 10.1021/acsami.6b08984] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Cu nanowires (Copper nanowires) have attracted lots of attention recently due to their potential applications in transparent electrodes, surface enhanced Raman scattering (SERS) based sensors, and solar cells. However, as the surface composition and morphology of Cu nanowires severely influence the performance of the devices based on them, facile surface modification methods need to be developed. Herein, we propose a room-temperature, time-saving aqueous solution method, through which clean Cu nanowires with small Ag nanoparticles decorating around them could be achieved. The unique "sesame candy bar" structure of Cu nanowires brought about significant enhancement on the electrical, optical, and mechanical performances of Cu nanowire networks. Transparent electrodes with ideal opto-electrical performance (47 Ω sq-1 @ 89.1% T) and high antioxidation, antithermal, and electrical stability were fabricated. Stretchable electrodes based on the modified Cu nanowire networks showed superior stretch-ability and cyclic stability. SERS sensors and organic solar cells based on Cu nanowire networks exhibited high performance due to the enhanced surface plasmonic coupling and light scattering effect. We believe that the method will shed light on the large-scale fabrication and application of Cu nanowire based devices.
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Affiliation(s)
- Xiao Wang
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences , Shanghai 200050, China
- University of Chinese Academy of Sciences , Beijing 100049, China
| | - Ranran Wang
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences , Shanghai 200050, China
| | - Haitao Zhai
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences , Shanghai 200050, China
- University of Chinese Academy of Sciences , Beijing 100049, China
| | - Xi Shen
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences , Beijing 100190, China
| | - Tao Wang
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences , Shanghai 200050, China
- University of Chinese Academy of Sciences , Beijing 100049, China
| | - Liangjing Shi
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences , Shanghai 200050, China
| | - Richeng Yu
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences , Beijing 100190, China
| | - Jing Sun
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences , Shanghai 200050, China
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20
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Bagheri S, Strohfeldt N, Sterl F, Berrier A, Tittl A, Giessen H. Large-Area Low-Cost Plasmonic Perfect Absorber Chemical Sensor Fabricated by Laser Interference Lithography. ACS Sens 2016. [DOI: 10.1021/acssensors.6b00444] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
| | | | | | | | - Andreas Tittl
- Institute
of BioEngineering, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
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21
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Gap-plasmon based broadband absorbers for enhanced hot-electron and photocurrent generation. Sci Rep 2016; 6:30650. [PMID: 27470207 PMCID: PMC4965776 DOI: 10.1038/srep30650] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2016] [Accepted: 07/08/2016] [Indexed: 01/09/2023] Open
Abstract
Plasmonic hot-electron generation has recently come into focus as a new scheme for solar energy conversion. So far, however, due to the relatively narrow bandwidth of the surface plasmon resonances and the insufficient resonant light absorption, most of plasmonic photocatalysts show narrow-band spectral responsivities and small solar energy conversion efficiencies. Here we experimentally demonstrate that a three-layered nanostructure, consisting of a monolayer gold-nanoparticles and a gold film separated by a TiO2 gap layer (Au-NPs/TiO2/Au-film), is capable of near-completely absorbing light within the whole visible region. We show that the Au-NPs/TiO2/Au-film device can take advantage of such strong and broadband light absorption to enhance the generation of hot electrons and thus the photocurrent under visible irradiation. As compared to conventional plasmonic photocatalysts such as Au-NPs/TiO2 nanostructures, a 5-fold-enhanced incident photon-to-current conversion efficiency is achieved within the entire wavelength range 450-850 nm in the Au-NPs/TiO2/Au-film device. Simulations show good agreements with the experimental results, demonstrating that only the plasmon-induced losses contribute to the enhanced photocurrent generation of the Au-NPs/TiO2/Au-film device.
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22
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Masango SS, Hackler RA, Large N, Henry AI, McAnally MO, Schatz GC, Stair PC, Van Duyne RP. High-Resolution Distance Dependence Study of Surface-Enhanced Raman Scattering Enabled by Atomic Layer Deposition. NANO LETTERS 2016; 16:4251-9. [PMID: 27243108 DOI: 10.1021/acs.nanolett.6b01276] [Citation(s) in RCA: 84] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
We present a high-resolution distance dependence study of surface-enhanced Raman scattering (SERS) enabled by atomic layer deposition (ALD) at 55 and 100 °C. ALD is used to deposit monolayers of Al2O3 on bare silver film over nanospheres (AgFONs) and AgFONs functionalized with self-assembled monolayers. Operando SERS is used to measure the intensities of the Al-CH3 and C-H stretches from trimethylaluminum (TMA) as a function of distance from the AgFON surface. This study clearly demonstrates that SERS on AgFON substrates displays both a short- and long-range nanometer scale distance dependence. Excellent agreement is obtained between these experiments and theory that incorporates both short-range and long-range terms. This is a high-resolution operando SERS distance dependence study performed in one integrated experiment using ALD Al2O3 as the spacer layer and Raman label simultaneously. The long-range SERS distance dependence should make it possible to detect chemisorbed surface species located as far as ∼3 nm from the AgFON substrate and will provide new insight into the surface chemistry of ALD and catalytic reactions.
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Affiliation(s)
- Sicelo S Masango
- Department of Chemistry and ‡Center for Catalysis and Surface Science, Northwestern University , Evanston, Illinois 60208, United States
| | - Ryan A Hackler
- Department of Chemistry and ‡Center for Catalysis and Surface Science, Northwestern University , Evanston, Illinois 60208, United States
| | - Nicolas Large
- Department of Chemistry and ‡Center for Catalysis and Surface Science, Northwestern University , Evanston, Illinois 60208, United States
| | - Anne-Isabelle Henry
- Department of Chemistry and ‡Center for Catalysis and Surface Science, Northwestern University , Evanston, Illinois 60208, United States
| | - Michael O McAnally
- Department of Chemistry and ‡Center for Catalysis and Surface Science, Northwestern University , Evanston, Illinois 60208, United States
| | - George C Schatz
- Department of Chemistry and ‡Center for Catalysis and Surface Science, Northwestern University , Evanston, Illinois 60208, United States
| | - Peter C Stair
- Department of Chemistry and ‡Center for Catalysis and Surface Science, Northwestern University , Evanston, Illinois 60208, United States
| | - Richard P Van Duyne
- Department of Chemistry and ‡Center for Catalysis and Surface Science, Northwestern University , Evanston, Illinois 60208, United States
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23
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James TD, Mulvaney P, Roberts A. The Plasmonic Pixel: Large Area, Wide Gamut Color Reproduction Using Aluminum Nanostructures. NANO LETTERS 2016; 16:3817-23. [PMID: 27164410 DOI: 10.1021/acs.nanolett.6b01250] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
We demonstrate a new plasmonic pixel (PP) design that produces a full-color optical response over macroscopic dimensions. The pixel design employs arrays of aluminum nanorods "floating" above their Babinet complementary screen, Concepts from conventional cyan magenta yellow key (CMYK) printing techniques and red green blue (RGB) digital displays are integrated with nanophotonic design principles and adapted to the production of PP elements. The fundamental PP color blocks of CMYK are implemented via a composite plasmonic nanoantenna/slot design and then mixed in a digital display analog 3 × 3 array to produce a broad-gamut PP. The PP goes beyond current investigations into plasmonic color production by enabling a broad color gamut and physically large plasmonic color features/devices/images. The use of nanorods also leads to a color response that is polarization tunable. Furthermore, devices are fabricated using aluminum and the fabrication strategy is compatible with inexpensive, rapid-throughput, nanoimprint approaches. Here we quantify, both computationally and experimentally, the performance of the PP. Spectral data from a test palette is obtained and a large area (>1.5 cm lateral dimensions) reproduction of a photograph is generated exemplifying the technqiue.
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Affiliation(s)
- Timothy D James
- School of Physics and ‡Bio 21 Institute and School of Chemistry, The University of Melbourne , Melbourne, Victoria 3010, Australia
| | - Paul Mulvaney
- School of Physics and ‡Bio 21 Institute and School of Chemistry, The University of Melbourne , Melbourne, Victoria 3010, Australia
| | - Ann Roberts
- School of Physics and ‡Bio 21 Institute and School of Chemistry, The University of Melbourne , Melbourne, Victoria 3010, Australia
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24
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A New Strategy of Lithography Based on Phase Separation of Polymer Blends. Sci Rep 2015; 5:15947. [PMID: 26515790 PMCID: PMC4626759 DOI: 10.1038/srep15947] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2015] [Accepted: 10/01/2015] [Indexed: 11/09/2022] Open
Abstract
Herein, we propose a new strategy of maskless lithographic approach to fabricate micro/nano-porous structures by phase separation of polystyrene (PS)/Polyethylene glycol (PEG) immiscible polymer blend. Its simple process only involves a spin coating of polymer blend followed by a development with deionized water rinse to remove PEG moiety, which provides an extremely facile, low-cost, easily accessible nanofabrication method to obtain the porous structures with wafer-scale. By controlling the weight ratio of PS/PEG polymer blend, its concentration and the spin-coating speed, the structural parameters of the porous nanostructure could be effectively tuned. These micro/nano porous structures could be converted into versatile functional nanostructures in combination with follow-up conventional chemical and physical nanofabrication techniques. As demonstrations of perceived potential applications using our developed phase separation lithography, we fabricate wafer-scale pure dielectric (silicon)-based two-dimensional nanostructures with high broadband absorption on silicon wafers due to their great light trapping ability, which could be expected for promising applications in the fields of photovoltaic devices and thermal emitters with very good performances, and Ag nanodot arrays which possess a surface enhanced Raman scattering (SERS) enhancement factor up to 1.64 × 108 with high uniformity across over an entire wafer.
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25
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Abstract
Graphene, a one-atomic-layer-thick planar sheet of sp(2)-bonded carbon configured in a two-dimensional hexagonal lattice, has attracted considerable research interest with regard to sensing-related applications owing to its extraordinary electronic, optical, chemical, and mechanical properties. Graphene plasmonics may be excited in the mid-infrared-to-terahertz regions with high spatial confinement, low loss, and excellent tunability. Meanwhile, graphene can be utilized to tune the plasmonic properties of conventional metallic nanostructures in the visible and near-infrared regions, allowing it to act as a versatile component in various plasmonic applications. This article reviews the recent progress in graphene-based hybrid films used for plasmonic sensing and detection. We particularly emphasize on the unique roles and advantages of graphene in surface-enhanced Raman scattering (SERS) for bare graphene or graphene-metal hybrid films, and plasmonic refractive index (RI) sensing for graphene-metal or graphene-insulator hybrids, among other plasmonic sensing applications. The preparation of graphene-based hybrid films, their functionalization and signal detection techniques are also reviewed. Finally, the perspectives and current challenges in the use of graphene-based hybrid films for plasmonic sensing are outlined.
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Affiliation(s)
- Yuan Zhao
- Key Laboratory of Materials for Energy Conversion, Chinese Academy of Sciences, Department of Materials Science and Engineering, University of Science and Technology of China, 96 Jin Zhai Rd, Hefei, Anhui Province 230026, P. R. China.
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26
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Park SG, Mun C, Lee M, Jeon TY, Shim HS, Lee YJ, Kwon JD, Kim CS, Kim DH. 3D Hybrid Plasmonic Nanomaterials for Highly Efficient Optical Absorbers and Sensors. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2015; 27:4290-4295. [PMID: 26100146 DOI: 10.1002/adma.201501587] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2015] [Revised: 05/11/2015] [Indexed: 06/04/2023]
Abstract
3D hybrid plasmonic nanomaterials are composed of 3D-stacked Ag nanowires and nanoparticles separated by a nanoscale-thick alumina interlayer. The 3D hybrid plasmonic nanostructures exhibit strong plasmonic coupling between the ultrahigh populations of plasmonic nanomaterials, overcoming the physical limitation of inefficient plasmonic coupling of the Ag nanowire stacks.
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Affiliation(s)
- Sung-Gyu Park
- Advanced Functional Thin Films Department, Korea Institute of Materials Science (KIMS), Changwon, Gyeongnam, 641-831, Korea
| | - ChaeWon Mun
- Advanced Functional Thin Films Department, Korea Institute of Materials Science (KIMS), Changwon, Gyeongnam, 641-831, Korea
| | - MinKyoung Lee
- Advanced Functional Thin Films Department, Korea Institute of Materials Science (KIMS), Changwon, Gyeongnam, 641-831, Korea
| | - Tae Yoon Jeon
- Department of Chemical and Biomolecular Engineering, KAIST, Daejeon, 305-701, Korea
| | - Han-Soo Shim
- Advanced Functional Thin Films Department, Korea Institute of Materials Science (KIMS), Changwon, Gyeongnam, 641-831, Korea
| | - Young-Joo Lee
- Advanced Functional Thin Films Department, Korea Institute of Materials Science (KIMS), Changwon, Gyeongnam, 641-831, Korea
| | - Jung-Dae Kwon
- Advanced Functional Thin Films Department, Korea Institute of Materials Science (KIMS), Changwon, Gyeongnam, 641-831, Korea
| | - Chang Su Kim
- Advanced Functional Thin Films Department, Korea Institute of Materials Science (KIMS), Changwon, Gyeongnam, 641-831, Korea
| | - Dong-Ho Kim
- Advanced Functional Thin Films Department, Korea Institute of Materials Science (KIMS), Changwon, Gyeongnam, 641-831, Korea
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27
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Yoon J, Zhou M, Badsha MA, Kim TY, Jun YC, Hwangbo CK. Broadband Epsilon-Near-Zero Perfect Absorption in the Near-Infrared. Sci Rep 2015; 5:12788. [PMID: 26239808 PMCID: PMC4523933 DOI: 10.1038/srep12788] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2015] [Accepted: 07/09/2015] [Indexed: 12/22/2022] Open
Abstract
Perfect absorption (PA) of incident light is important for both fundamental light-matter interaction studies and practical device applications. PA studies so far have mainly used resonant nanostructures that require delicate structural patterning. Here, we realize tunable and broadband PA in the near-infrared region using relatively simple thin film coatings. We adjust the growth condition of an ITO film and control its epsilon-near-zero (ENZ) wavelength. We show that this results in highly tunable PA in the telecommunication window. Then, using an ITO multilayer of different ENZ wavelengths, we demonstrate broadband PA that covers a wide range of near-infrared wavelengths. The use of ENZ coatings makes PA adjustable during the film growth and does not require any structural patterning afterward. It also facilitates the chip-scale integration of perfect absorbers with other device components. Broadband PA relaxes the single wavelength condition in previous PA studies, and thus it is suitable for many practical device applications, including sensors, photodetectors, and energy harvesting devices.
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Affiliation(s)
- Junho Yoon
- Department of Physics, Inha University, Incheon 402-751, Republic of Korea
| | - Ming Zhou
- Department of Physics, Inha University, Incheon 402-751, Republic of Korea
| | - Md Alamgir Badsha
- Department of Physics, Inha University, Incheon 402-751, Republic of Korea
| | - Tae Young Kim
- Department of Physics, Inha University, Incheon 402-751, Republic of Korea
| | - Young Chul Jun
- School of Materials Science and Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 689-798, Republic of Korea
| | - Chang Kwon Hwangbo
- Department of Physics, Inha University, Incheon 402-751, Republic of Korea
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28
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Li Y, An B, Jiang S, Gao J, Chen Y, Pan S. Plasmonic induced triple-band absorber for sensor application. OPTICS EXPRESS 2015; 23:17607-12. [PMID: 26191768 DOI: 10.1364/oe.23.017607] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
We design and investigate a triple-band plasmonic metamaterial absorber (PMA) for sensor application. The underlying mechanism is investigated theoretically and numerically. Three characteristic absorption peaks are demonstrated to be induced by different plasmonic modes which lead to different responses for the plasmonic sensor. These modes show great improvement for the sensitivity and accuracy of the plasmonic sensors. This triple-band plasmonic metamaterial optical absorber has great potential to improve the performance in practical applications.
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29
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Xu X, Kim K, Liu C, Fan D. Fabrication and robotization of ultrasensitive plasmonic nanosensors for molecule detection with Raman scattering. SENSORS (BASEL, SWITZERLAND) 2015; 15:10422-51. [PMID: 25946633 PMCID: PMC4481927 DOI: 10.3390/s150510422] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/04/2015] [Revised: 04/09/2015] [Accepted: 04/14/2015] [Indexed: 11/16/2022]
Abstract
In this work, we introduce the history and mechanisms of surface enhanced Raman scattering (SERS), discuss various techniques for fabrication of state-of-the-art SERS substrates, and review recent work on robotizing plasmonic nanoparticles, especially, the efforts we made on fabrication, characterization, and robotization of Raman nanosensors by design. Our nanosensors, consisting of tri-layer nanocapsule structures, are ultrasensitive, well reproducible, and can be robotized by either electric or magnetic tweezers. Three applications using such SERS nanosensors were demonstrated, including location predictable detection, single-cell bioanalysis, and tunable molecule release and monitoring. The integration of SERS and nanoelectromechanical system (NEMS) devices is innovative in both device concept and fabrication, and could potentially inspire a new device scheme for various bio-relevant applications.
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Affiliation(s)
- Xiaobin Xu
- Materials Science and Engineering Program, the University of Texas at Austin, Austin, TX 78712, USA.
| | - Kwanoh Kim
- Department of Mechanical Engineering, the University of Texas at Austin, Austin, TX 78712, USA.
| | - Chao Liu
- Materials Science and Engineering Program, the University of Texas at Austin, Austin, TX 78712, USA.
| | - Donglei Fan
- Materials Science and Engineering Program, the University of Texas at Austin, Austin, TX 78712, USA.
- Department of Mechanical Engineering, the University of Texas at Austin, Austin, TX 78712, USA.
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30
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Andrews AB, Wang D, Marzec KM, Mullins OC, Crozier KB. Surface enhanced Raman spectroscopy of polycyclic aromatic hydrocarbons and molecular asphaltenes. Chem Phys Lett 2015. [DOI: 10.1016/j.cplett.2014.12.014] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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31
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Zhao Y, Zeng W, Tao Z, Xiong P, Qu Y, Zhu Y. Highly sensitive surface-enhanced Raman scattering based on multi-dimensional plasmonic coupling in Au-graphene-Ag hybrids. Chem Commun (Camb) 2014; 51:866-9. [PMID: 25429404 DOI: 10.1039/c4cc07937j] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report an efficient surface-enhanced Raman scattering (SERS) substrate by utilizing the multi-dimensional plasmonic coupling in Au nanoparticle (NP)-graphene-Ag NP hybrid structures. An ultrasensitive SERS detection with a limit of down to 10(-13) M has been achieved when the sandwiched hybrid film is fabricated on an Ag substrate.
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Affiliation(s)
- Yuan Zhao
- Department of Materials Science and Engineering & CAS Key Laboratory of Materials for Energy Conversion, University of Science and Technology of China, Hefei 230026, China.
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32
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Li J, Chen C, Jans H, Xu X, Verellen N, Vos I, Okumura Y, Moshchalkov VV, Lagae L, Van Dorpe P. 300 mm Wafer-level, ultra-dense arrays of Au-capped nanopillars with sub-10 nm gaps as reliable SERS substrates. NANOSCALE 2014; 6:12391-12396. [PMID: 25231127 DOI: 10.1039/c4nr04315d] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
The 193 nm deep UV immersion lithography is leveraged to fabricate highly dense and uniform arrays of Au-capped Si nanopillars on a 300 mm wafer level, and the substrates are applied in surface enhanced Raman spectroscopy for reliable molecule detection. Due to the sub-10 nm gap sizes and ultra-high array density with the lattice constant less than 100 nm, our nanopillar based substrates outperform the current commercial products in terms of the signal intensity, reproducibility and fabrication scale.
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Affiliation(s)
- Jiaqi Li
- IMEC, Kapeldreef 75, B-3001 Leuven, Belgium.
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33
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Zhao Y, Li X, Du Y, Chen G, Qu Y, Jiang J, Zhu Y. Strong light-matter interactions in sub-nanometer gaps defined by monolayer graphene: toward highly sensitive SERS substrates. NANOSCALE 2014; 6:11112-11120. [PMID: 25214169 DOI: 10.1039/c4nr03152k] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
The interactions between visible light and sub-nanometer gaps were investigated by sandwiching graphene between two layers of vertically stacked Au nanoparticles. The optical properties of such a hybrid film have been effectively tuned by embedding a monolayer graphene, enabling a suppressed transmission of ∼16% accompanied by a red-shift of the resonant wavelength. Finite element simulations have shown that the strong coupling between two layers of plasmonic Au nanoparticles leads to an electric field enhancement of up to 88 times in graphene defined vertical gaps, in contrast to that of 14 times in the horizontal gaps between Au nanoparticles formed in the fabrication process. In addition, the size of gaps and thus the field enhancement can be readily tuned by the number of graphene layers sandwiched between Au nanoparticles. When being used as surface-enhanced Raman scattering (SERS) substrates, the Au nanoparticle/graphene/Au nanoparticle structures have demonstrated high Raman enhancement factors of up to 1.6 × 10(8) for RhB and 2.5 × 10(8) for R6G, and a detection limit of as low as 0.1 nM for Sudan III and methylene blue molecules.
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Affiliation(s)
- Yuan Zhao
- Department of Materials Science and Engineering and CAS Key Laboratory of Materials for Energy Conversion, University of Science and Technology of China, Hefei 230026, China.
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Hedayati MK, Faupel F, Elbahri M. Review of Plasmonic Nanocomposite Metamaterial Absorber. MATERIALS (BASEL, SWITZERLAND) 2014; 7:1221-1248. [PMID: 28788511 PMCID: PMC5453083 DOI: 10.3390/ma7021221] [Citation(s) in RCA: 134] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/19/2013] [Revised: 01/28/2014] [Accepted: 02/07/2014] [Indexed: 01/28/2023]
Abstract
Plasmonic metamaterials are artificial materials typically composed of noble metals in which the features of photonics and electronics are linked by coupling photons to conduction electrons of metal (known as surface plasmon). These rationally designed structures have spurred interest noticeably since they demonstrate some fascinating properties which are unattainable with naturally occurring materials. Complete absorption of light is one of the recent exotic properties of plasmonic metamaterials which has broadened its application area considerably. This is realized by designing a medium whose impedance matches that of free space while being opaque. If such a medium is filled with some lossy medium, the resulting structure can absorb light totally in a sharp or broad frequency range. Although several types of metamaterials perfect absorber have been demonstrated so far, in the current paper we overview (and focus on) perfect absorbers based on nanocomposites where the total thickness is a few tens of nanometer and the absorption band is broad, tunable and insensitive to the angle of incidence. The nanocomposites consist of metal nanoparticles embedded in a dielectric matrix with a high filling factor close to the percolation threshold. The filling factor can be tailored by the vapor phase co-deposition of the metallic and dielectric components. In addition, novel wet chemical approaches are discussed which are bio-inspired or involve synthesis within levitating Leidenfrost drops, for instance. Moreover, theoretical considerations, optical properties, and potential application of perfect absorbers will be presented.
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Affiliation(s)
- Mehdi Keshavarz Hedayati
- Nanochemistry and Nanoengineering, Faculty of Engineering, Institute for Materials Science, Christian-Albrechts-Universität zu Kiel, Kaiserstrasse 2, Kiel 24143, Germany.
| | - Franz Faupel
- Chair for Multicomponent Materials, Faculty of Engineering, Institute for Materials Science, Christian-Albrechts-Universität zu Kiel, Kaiserstrasse 2, Kiel 24143, Germany.
| | - Mady Elbahri
- Nanochemistry and Nanoengineering, Faculty of Engineering, Institute for Materials Science, Christian-Albrechts-Universität zu Kiel, Kaiserstrasse 2, Kiel 24143, Germany.
- Institute of Polymer Research, Helmholtz-Zentrum Geesthacht, Max-Planck-Str. 1, Geesthacht 21502, Germany.
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Jiang J, Ou-Yang L, Zhu L, Zou J, Tang H. Novel one-pot fabrication of lab-on-a-bubble@Ag substrate without coupling-agent for surface enhanced Raman scattering. Sci Rep 2014; 4:3942. [PMID: 24487575 PMCID: PMC3909904 DOI: 10.1038/srep03942] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2013] [Accepted: 01/09/2014] [Indexed: 12/04/2022] Open
Abstract
Through in-situ reduction of silver nitrate without using any coupling-agent, a substrate for surface-enhanced Raman scattering (SERS) was prepared by coating silver on hollow buoyant silica microspheres as a lab on a bubble (LoB). The silver coated LoBs (LoBs@Ag) floated on surface of a solution could provide a very convenient platform for the detection of target molecules in the solution. The LoBs@Ag substrate not only immobilized well-distributed Ag nanoparticles on the surface LoBs, but excluded the interference of coupling agents. This yielded high-resolution SERS spectra with excellent reproducibility. The adsorption of crystal violet (CV) on the LoBs@Ag substrate was investigated by means of SERS combined with density functional theory (DFT) calculations. The LoBs@Ag substrate exhibited a remarkable Raman enhancement effect for CV with an enhancement factor of 6.9 × 10(8) and wide adaptability from dye, pesticide to bio-molecules. On the basis of this substrate, a simple and sensitive SERS method was proposed for the determination of trace organic pollutants or bio-molecules.
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Affiliation(s)
- Jizhou Jiang
- College of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, P.R. China
- Key Laboratory of Catalysis and Materials Science of the State Ethnic Affairs Commission and Ministry of Education, College of Chemistry and Materials Science, South Central University for Nationalities, Wuhan 430074, P.R. China
| | - Lei Ou-Yang
- College of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, P.R. China
| | - Lihua Zhu
- College of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, P.R. China
| | - Jing Zou
- School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Key Laboratory for Green Chemical Process of Ministry of Education, Wuhan 430073, P.R. China
| | - Heqing Tang
- Key Laboratory of Catalysis and Materials Science of the State Ethnic Affairs Commission and Ministry of Education, College of Chemistry and Materials Science, South Central University for Nationalities, Wuhan 430074, P.R. China
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