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Tong L, Yu Z, Gao YJ, Li XC, Zheng JF, Shao Y, Wang YH, Zhou XS. Local cation-tuned reversible single-molecule switch in electric double layer. Nat Commun 2023; 14:3397. [PMID: 37296181 DOI: 10.1038/s41467-023-39206-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 06/02/2023] [Indexed: 06/12/2023] Open
Abstract
The nature of molecule-electrode interface is critical for the integration of atomically precise molecules as functional components into circuits. Herein, we demonstrate that the electric field localized metal cations in outer Helmholtz plane can modulate interfacial Au-carboxyl contacts, realizing a reversible single-molecule switch. STM break junction and I-V measurements show the electrochemical gating of aliphatic and aromatic carboxylic acids have a conductance ON/OFF behavior in electrolyte solution containing metal cations (i.e., Na+, K+, Mg2+ and Ca2+), compared to almost no change in conductance without metal cations. In situ Raman spectra reveal strong molecular carboxyl-metal cation coordination at the negatively charged electrode surface, hindering the formation of molecular junctions for electron tunnelling. This work validates the critical role of localized cations in the electric double layer to regulate electron transport at the single-molecule level.
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Affiliation(s)
- Ling Tong
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, Zhejiang Normal University, 321004, Jinhua, China
| | - Zhou Yu
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, Zhejiang Normal University, 321004, Jinhua, China
| | - Yi-Jing Gao
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, Zhejiang Normal University, 321004, Jinhua, China
- Zhejiang Engineering Laboratory for Green Syntheses and Applications of Fluorine-Containing Specialty Chemicals, Institute of Advanced Fluorine-Containing Materials, Zhejiang Normal University, 321004, Jinhua, China
| | - Xiao-Chong Li
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, Zhejiang Normal University, 321004, Jinhua, China
| | - Ju-Fang Zheng
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, Zhejiang Normal University, 321004, Jinhua, China
| | - Yong Shao
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, Zhejiang Normal University, 321004, Jinhua, China
| | - Ya-Hao Wang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, Zhejiang Normal University, 321004, Jinhua, China.
| | - Xiao-Shun Zhou
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, Zhejiang Normal University, 321004, Jinhua, China.
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Beygisangchin M, Abdul Rashid S, Shafie S, Sadrolhosseini AR, Lim HN. Preparations, Properties, and Applications of Polyaniline and Polyaniline Thin Films-A Review. Polymers (Basel) 2021; 13:2003. [PMID: 34207392 PMCID: PMC8234317 DOI: 10.3390/polym13122003] [Citation(s) in RCA: 88] [Impact Index Per Article: 29.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 05/28/2021] [Accepted: 05/30/2021] [Indexed: 12/18/2022] Open
Abstract
Polyaniline (PANI) is a famous conductive polymer, and it has received tremendous consideration from researchers in the field of nanotechnology for the improvement of sensors, optoelectronic devices, and photonic devices. PANI is doped easily by different acids and dopants because of its easy synthesis and remarkable environmental stability. This review focuses on different preparation processes of PANI thin film by chemical and physical methods. Several features of PANI thin films, such as their magnetic, redox, and antioxidant, anti-corrosion, and electrical and sensing properties, are discussed in this review. PANI is a highly conductive polymer. Given its unique properties, easy synthesis, low cost, and high environmental stability in various applications such as electronics, drugs, and anti-corrosion materials, it has attracted extensive attention. The most important PANI applications are briefly reviewed at the end of this review.
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Affiliation(s)
- Mahnoush Beygisangchin
- Material Processing and Technology Laboratory, Institute of Advanced Technology, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia;
- Functional Device Laboratory, Institute of Advanced Technology, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia; (S.S.); (H.N.L.)
| | - Suraya Abdul Rashid
- Material Processing and Technology Laboratory, Institute of Advanced Technology, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia;
| | - Suhaidi Shafie
- Functional Device Laboratory, Institute of Advanced Technology, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia; (S.S.); (H.N.L.)
- Faculty of Engineering, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
| | - Amir Reza Sadrolhosseini
- Magneto-Plasmonic Lab, Laser and Plasma Research Institute, Shahid Beheshti University, Tehran 1983969411, Iran
| | - Hong Ngee Lim
- Functional Device Laboratory, Institute of Advanced Technology, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia; (S.S.); (H.N.L.)
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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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Rabache V, Chaste J, Petit P, Della Rocca ML, Martin P, Lacroix JC, McCreery RL, Lafarge P. Direct Observation of Large Quantum Interference Effect in Anthraquinone Solid-State Junctions. J Am Chem Soc 2013; 135:10218-21. [DOI: 10.1021/ja403577u] [Citation(s) in RCA: 64] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Vincent Rabache
- Université Paris Diderot, Sorbonne Paris Cité, MPQ, UMR
7162 CNRS, 75205 Paris Cedex 13, France
| | - Julien Chaste
- Université Paris Diderot, Sorbonne Paris Cité, MPQ, UMR
7162 CNRS, 75205 Paris Cedex 13, France
| | - Philippe Petit
- Université Paris Diderot, Sorbonne Paris Cité, MPQ, UMR
7162 CNRS, 75205 Paris Cedex 13, France
| | - Maria Luisa Della Rocca
- Université Paris Diderot, Sorbonne Paris Cité, MPQ, UMR
7162 CNRS, 75205 Paris Cedex 13, France
| | - Pascal Martin
- Université Paris Diderot, Sorbonne Paris Cité, ITODYS, UMR
7086 CNRS, 75205 Paris Cedex 13, France
| | - Jean-Christophe Lacroix
- Université Paris Diderot, Sorbonne Paris Cité, ITODYS, UMR
7086 CNRS, 75205 Paris Cedex 13, France
| | - Richard L. McCreery
- National Institute for Nanotechnology, University of Alberta, Edmonton, Alberta Canada, T6G
2M9
| | - Philippe Lafarge
- Université Paris Diderot, Sorbonne Paris Cité, MPQ, UMR
7162 CNRS, 75205 Paris Cedex 13, France
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Ford WE, Gao D, Scholz F, Nelles G, von Wrochem F. Conductance modulation in tetraaniline monolayers by HCl-doping and by field-enhanced dissociation of H₂O. ACS NANO 2013; 7:1943-1951. [PMID: 23421952 DOI: 10.1021/nn3050769] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Oligoanilines are interesting candidates for organic electronics, as their conductivity can be varied by several orders of magnitude upon protonic doping. Here we demonstrate that tetraaniline self-assembled monolayers exhibit an unprecedented conductance on/off ratio of ∼710 (at +1 V) upon doping of the layers from the emeraldine base to the emeraldine salt form. Furthermore, a pronounced asymmetry in the current-voltage characteristics indicates dynamic doping of the tetraaniline layer by protons generated through field-enhanced dissociation of water molecules, a phenomenon known as the second Wien effect. These results point toward oligoanilines as promising substitutes for polyaniline layers in next-generation thin film devices.
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Affiliation(s)
- William E Ford
- Materials Science Laboratory, Sony Deutschland GmbH, Hedelfinger Strasse 61, 70327 Stuttgart, Germany.
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Janin M, Ghilane J, Lacroix JC. When Electron Transfer Meets Electron Transport in Redox-Active Molecular Nanojunctions. J Am Chem Soc 2013; 135:2108-11. [DOI: 10.1021/ja3122125] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Marion Janin
- NanoElectroChemistry
Group, Université Paris Diderot, ITODYS, UMR 7086 CNRS, 75205 Paris Cedex
13, France
| | - Jalal Ghilane
- NanoElectroChemistry
Group, Université Paris Diderot, ITODYS, UMR 7086 CNRS, 75205 Paris Cedex
13, France
| | - Jean-Christophe Lacroix
- NanoElectroChemistry
Group, Université Paris Diderot, ITODYS, UMR 7086 CNRS, 75205 Paris Cedex
13, France
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Scanning electrochemical microscopy for the fabrication of copper nanowires: Atomic contacts with quantized conductance, and molecular adsorption effect. Electrochim Acta 2012. [DOI: 10.1016/j.electacta.2012.07.115] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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