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Singh N, Malik A, Sethi P, Mondal PC. Programmed Heterostructures for Enhanced Electrical Conductivity. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2403108. [PMID: 39037401 DOI: 10.1002/smll.202403108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2024] [Revised: 06/26/2024] [Indexed: 07/23/2024]
Abstract
Interfacial electron transport in multicomponent systems plays a crucial role in controlling electrical conductivity. Organic-inorganic heterostructures electronic devices where all the entities are covalently bonded to each other can reduce interfacial electrical resistance, thus suitable for low-power consumption electronic operations. Programmed heterostructures of covalently bonded interfaces between ITO-ethynylbenzene (EB) and EB-zinc ferrite (ZF) nanoparticles, a programmed structure showing 67 978-fold enhancement of electrical current as compared to pristine NPs-based two terminal devices are created. An electrochemical approach is adopted to prepare nearly π-conjugated EB oligomer films of thickness ≈26 nm on ITO-electrode on which ZF NPs are chemically attached. A "flip-chip" method is employed to combine two EB-ZnFe2O4 NPs-ITO to probe electrical conductivity and charge conduction mechanism. The EB-ZnFe2O4 NPs exhibit strong electronic coupling at ITO-EB and EB-NPs with an energy barrier of 0.13 eV between the ITO Fermi level and the LUMO of EB-ZF NPs for efficient charge transport. Both the DC and AC-based electrical measurements manifest a low resistance at ITO-EB and EB-ZF NPs, revealing enhanced electrical current at ± 1.5 V. The programmed heterostructure devices can meet a strategy to create well-controlled molecular layers for electronic applications toward miniaturized components that shorten charge carrier distance, and interfacial resistance.
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Affiliation(s)
- Neha Singh
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, 208016, India
| | - Ankur Malik
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, 208016, India
| | - Paras Sethi
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, 208016, India
| | - Prakash Chandra Mondal
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, 208016, India
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GU I, ISHIDA T, TATSUMA T. One-Step Electrodeposition of Chiral Plasmonic Gold Nanostructures for Enantioselective Sensing. ELECTROCHEMISTRY 2022. [DOI: 10.5796/electrochemistry.22-00046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- Igseon GU
- Institute of Industrial Science, The University of Tokyo
| | - Takuya ISHIDA
- Institute of Industrial Science, The University of Tokyo
| | - Tetsu TATSUMA
- Institute of Industrial Science, The University of Tokyo
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Nguyen LL, Le QH, Pham VN, Bastide M, Gam-Derouich S, Nguyen VQ, Lacroix JC. Confinement Effect of Plasmon for the Fabrication of Interconnected AuNPs through the Reduction of Diazonium Salts. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:1957. [PMID: 34443789 PMCID: PMC8397949 DOI: 10.3390/nano11081957] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 07/15/2021] [Accepted: 07/23/2021] [Indexed: 01/15/2023]
Abstract
This paper describes a rapid bottom-up approach to selectively functionalize gold nanoparticles (AuNPs) on an indium tin oxide (ITO) substrate using the plasmon confinement effect. The plasmonic substrates based on a AuNP-free surfactant were fabricated by electrochemical deposition. Using this bottom-up technique, many sub-30 nm spatial gaps between the deposited AuNPs were randomly generated on the ITO substrate, which is difficult to obtain with a top-down approach (i.e., E-beam lithography) due to its fabrication limits. The 4-Aminodiphenyl (ADP) molecules were grafted directly onto the AuNPs through a plasmon-induced reduction of the 4-Aminodiphenyl diazonium salts (ADPD). The ADP organic layer preferentially grew in the narrow gaps between the many adjacent AuNPs to create interconnected AuNPs. This novel strategy opens up an efficient technique for the localized surface modification at the nanoscale over a macroscopic area, which is anticipated to be an advanced nanofabrication technique.
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Affiliation(s)
- Luong-Lam Nguyen
- Department of Advanced Materials Science and Nanotechnology, University of Science and Technology of Hanoi (USTH), Vietnam Academy Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi 100000, Vietnam; (L.-L.N.); (Q.-H.L.); (V.-N.P.)
| | - Quang-Hai Le
- Department of Advanced Materials Science and Nanotechnology, University of Science and Technology of Hanoi (USTH), Vietnam Academy Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi 100000, Vietnam; (L.-L.N.); (Q.-H.L.); (V.-N.P.)
| | - Van-Nhat Pham
- Department of Advanced Materials Science and Nanotechnology, University of Science and Technology of Hanoi (USTH), Vietnam Academy Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi 100000, Vietnam; (L.-L.N.); (Q.-H.L.); (V.-N.P.)
| | - Mathieu Bastide
- Chemistry Department, Université de Paris, ITODYS, UMR 7086 CNRS, 15 Rue Jean-Antoine de Baïf, CEDEX 13, 75205 Paris, France; (M.B.); (S.G.-D.)
| | - Sarra Gam-Derouich
- Chemistry Department, Université de Paris, ITODYS, UMR 7086 CNRS, 15 Rue Jean-Antoine de Baïf, CEDEX 13, 75205 Paris, France; (M.B.); (S.G.-D.)
| | - Van-Quynh Nguyen
- Department of Advanced Materials Science and Nanotechnology, University of Science and Technology of Hanoi (USTH), Vietnam Academy Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi 100000, Vietnam; (L.-L.N.); (Q.-H.L.); (V.-N.P.)
| | - Jean-Christophe Lacroix
- Department of Advanced Materials Science and Nanotechnology, University of Science and Technology of Hanoi (USTH), Vietnam Academy Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi 100000, Vietnam; (L.-L.N.); (Q.-H.L.); (V.-N.P.)
- Chemistry Department, Université de Paris, ITODYS, UMR 7086 CNRS, 15 Rue Jean-Antoine de Baïf, CEDEX 13, 75205 Paris, France; (M.B.); (S.G.-D.)
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Bastide M, Frath D, Gam‐Derouich S, Lacroix J. Electrochemical and Plasmon‐induced Grafting of n‐Dopable π‐Conjugated Oligomers. ChemElectroChem 2021. [DOI: 10.1002/celc.202100563] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Mathieu Bastide
- Université de Paris ITODYS, CNRS, UMR 7086 15 rue J.-A. de Baïf 75205 Paris Cedex 13 France
| | - Denis Frath
- Université de Paris ITODYS, CNRS, UMR 7086 15 rue J.-A. de Baïf 75205 Paris Cedex 13 France
| | - Sarra Gam‐Derouich
- Université de Paris ITODYS, CNRS, UMR 7086 15 rue J.-A. de Baïf 75205 Paris Cedex 13 France
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Nguyen VQ, Nguyen DHN, Nguyen BM, Dinh TMT, Lacroix JC. Multiscale organization of a size gradient of gold nanoparticles in a honeycomb structure network. Electrochem commun 2019. [DOI: 10.1016/j.elecom.2019.03.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Ai Y, Nguyen VQ, Ghilane J, Lacaze PC, Lacroix JC. Plasmon-Induced Conductance Switching of an Electroactive Conjugated Polymer Nanojunction. ACS APPLIED MATERIALS & INTERFACES 2017; 9:27817-27824. [PMID: 28767223 DOI: 10.1021/acsami.7b04695] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
A plasmonic molecular electronic device, consisting of poly(3,4-ethylenedioxythiophene) (PEDOT) nanowires bridging an ultramicroelectrode and an indium tin oxide (ITO) substrate covered by gold nanoparticles (Au NPs), has been developed. Light irradiation of this device has a dramatic impact on its conductance. Polymer strands, maintained electrochemically in their oxidized, conducting state, reversibly switch to their insulating state upon irradiation by visible-wavelength light, resulting in a sharp decrease in the conductance. The high-conductance state is restored when the light is turned off. Switching depends on the wavelength and the intensity of the incident light. It is due to reversible reduction of the nanosized region of PEDOT nanowires in contact with a gold NP and is attributed to plasmon-induced hot-electron injection into the PEDOT. The high/low conductance ratio can be as great as 1000, and switching requires low light intensity (220 W/m2). These results could open the way to the design of a new family of optoelectronic switches.
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Affiliation(s)
- Yong Ai
- Sorbonne Paris Cité, ITODYS, UMR 7086 CNRS, Université Paris Diderot , 15 rue Jean-Antoine de Baïf, 75205 Paris Cedex 13, France
| | - Van Quynh Nguyen
- Sorbonne Paris Cité, ITODYS, UMR 7086 CNRS, Université Paris Diderot , 15 rue Jean-Antoine de Baïf, 75205 Paris Cedex 13, France
- Department of Advanced Material Science and Nanotechnology, University of Science and Technology of Hanoi (USTH), Vietnam Academy of Science and Technology , 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam
| | - Jalal Ghilane
- Sorbonne Paris Cité, ITODYS, UMR 7086 CNRS, Université Paris Diderot , 15 rue Jean-Antoine de Baïf, 75205 Paris Cedex 13, France
| | - Pierre-Camille Lacaze
- Sorbonne Paris Cité, ITODYS, UMR 7086 CNRS, Université Paris Diderot , 15 rue Jean-Antoine de Baïf, 75205 Paris Cedex 13, France
| | - Jean-Christophe Lacroix
- Sorbonne Paris Cité, ITODYS, UMR 7086 CNRS, Université Paris Diderot , 15 rue Jean-Antoine de Baïf, 75205 Paris Cedex 13, France
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Lacroix JC, Martin P, Lacaze PC. Tailored Surfaces/Assemblies for Molecular Plasmonics and Plasmonic Molecular Electronics. ANNUAL REVIEW OF ANALYTICAL CHEMISTRY (PALO ALTO, CALIF.) 2017; 10:201-224. [PMID: 28375704 DOI: 10.1146/annurev-anchem-061516-045325] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Molecular plasmonics uses and explores molecule-plasmon interactions on metal nanostructures for spectroscopic, nanophotonic, and nanoelectronic devices. This review focuses on tailored surfaces/assemblies for molecular plasmonics and describes active molecular plasmonic devices in which functional molecules and polymers change their structural, electrical, and/or optical properties in response to external stimuli and that can dynamically tune the plasmonic properties. We also explore an emerging research field combining molecular plasmonics and molecular electronics.
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Affiliation(s)
| | - Pascal Martin
- Department of Chemistry, University of Paris Diderot, ITODYS, Paris 75205, France;
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Nguyen VQ, Ai Y, Martin P, Lacroix JC. Plasmon-Induced Nanolocalized Reduction of Diazonium Salts. ACS OMEGA 2017; 2:1947-1955. [PMID: 31457553 PMCID: PMC6641065 DOI: 10.1021/acsomega.7b00394] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Accepted: 04/27/2017] [Indexed: 05/07/2023]
Abstract
Surface grafting from diazonium solutions triggered by localized surface plasmon has been investigated. An organic layer that is 20-30 nm thick is easily grafted onto gold nanoparticles (AuNPs) by visible-light illumination in a few minutes without any reducing agent or molecular photocatalyst. Grafting depends on the wavelength and polarization of the incident light. As a consequence, the orientation of the growth of the layer deposited on the AuNPs can be controlled by polarized light. Grafting is also highly enhanced between adjacent AuNPs or at the corners of triangular AuNPs, that is, in plasmonic hot spots. These results clearly demonstrate plasmon enhancement and strongly suggest that the transfer of hot electrons from the excited plasmonic NPs to the diazonium is the main mechanism. They also confirm that localized surface plasmon resonance can induce nanolocalized electrochemical reactions, thus contributing to the field of "plasmonic electrochemistry".
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Affiliation(s)
- Van-Quynh Nguyen
- Department
of Advanced Materials Science and Nanotechnology, University of Science and Technology of Hanoi (USTH), Vietnam Academy
of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam
- Université
Paris Diderot, Sorbonne Paris Cité, ITODYS, UMR 7086 CNRS, 15 rue Jean-Antoine de Baïf, 75205 Paris Cedex 13, France
| | - Yong Ai
- Université
Paris Diderot, Sorbonne Paris Cité, ITODYS, UMR 7086 CNRS, 15 rue Jean-Antoine de Baïf, 75205 Paris Cedex 13, France
| | - Pascal Martin
- Université
Paris Diderot, Sorbonne Paris Cité, ITODYS, UMR 7086 CNRS, 15 rue Jean-Antoine de Baïf, 75205 Paris Cedex 13, France
| | - Jean-Christophe Lacroix
- Université
Paris Diderot, Sorbonne Paris Cité, ITODYS, UMR 7086 CNRS, 15 rue Jean-Antoine de Baïf, 75205 Paris Cedex 13, France
- E-mail:
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