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Bodappa N, Ren H, Dong JC, Wu DY, Tian ZQ, Li JF. Solvent-Limited Ion-Coupled Electron Transfer and Monolayer Thiol Stability in Au144
Cluster Films. ChemElectroChem 2018. [DOI: 10.1002/celc.201801191] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Nataraju Bodappa
- MOE Key Laboratory of Spectrochemical Analysis and Instrumentation State Key Laboratory of Physical Chemistry of Solid Surfaces i ChEM, College of Chemistry and Chemical Engineering; Xiamen University; Xiamen 361005 China
| | - He Ren
- MOE Key Laboratory of Spectrochemical Analysis and Instrumentation State Key Laboratory of Physical Chemistry of Solid Surfaces i ChEM, College of Chemistry and Chemical Engineering; Xiamen University; Xiamen 361005 China
| | - Jin-Chao Dong
- MOE Key Laboratory of Spectrochemical Analysis and Instrumentation State Key Laboratory of Physical Chemistry of Solid Surfaces i ChEM, College of Chemistry and Chemical Engineering; Xiamen University; Xiamen 361005 China
| | - De-Yin Wu
- MOE Key Laboratory of Spectrochemical Analysis and Instrumentation State Key Laboratory of Physical Chemistry of Solid Surfaces i ChEM, College of Chemistry and Chemical Engineering; Xiamen University; Xiamen 361005 China
| | - Zhong-Qun Tian
- MOE Key Laboratory of Spectrochemical Analysis and Instrumentation State Key Laboratory of Physical Chemistry of Solid Surfaces i ChEM, College of Chemistry and Chemical Engineering; Xiamen University; Xiamen 361005 China
| | - Jian-Feng Li
- MOE Key Laboratory of Spectrochemical Analysis and Instrumentation State Key Laboratory of Physical Chemistry of Solid Surfaces i ChEM, College of Chemistry and Chemical Engineering; Xiamen University; Xiamen 361005 China
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2
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Bodappa N, Fluch U, Fu Y, Mayor M, Moreno-García P, Siegenthaler H, Wandlowski T. Controlled assembly and single electron charging of monolayer protected Au144 clusters: an electrochemistry and scanning tunneling spectroscopy study. NANOSCALE 2014; 6:15117-15126. [PMID: 25372883 DOI: 10.1039/c4nr03793f] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Single gold particles may serve as room temperature single electron memory units because of their size dependent electronic level spacing. Here, we present a proof-of-concept study by electrochemically controlled scanning probe experiments performed on tailor-made Au particles of narrow dispersity. In particular, the charge transport characteristics through chemically synthesized hexane-1-thiol and 4-pyridylbenzene-1-thiol mixed monolayer protected Au(144) clusters (MPCs) by differential pulse voltammetry (DPV) and electrochemical scanning tunneling spectroscopy (EC-STS) are reported. The pyridyl groups exposed by the Au-MPCs enable their immobilization on Pt(111) substrates. By varying the humidity during their deposition, samples coated by stacks of compact monolayers of Au-MPCs or decorated with individual, laterally separated Au-MPCs are obtained. DPV experiments with stacked monolayers of Au(144)-MPCs and EC-STS experiments with laterally separated individual Au(144)-MPCs are performed both in aqueous and ionic liquid electrolytes. Lower capacitance values were observed for individual clusters compared to ensemble clusters. This trend remains the same irrespective of the composition of the electrolyte surrounding the Au(144)-MPC. However, the resolution of the energy level spacing of the single clusters is strongly affected by the proximity of neighboring particles.
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Affiliation(s)
- Nataraju Bodappa
- Department of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, 3012 Bern, Switzerland.
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3
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Dependence of electrochemical charging of gold nanoparticle monolayer films on counterion proximity. Electrochem commun 2013. [DOI: 10.1016/j.elecom.2013.04.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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4
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Effect of chloride anion on the electrochemical charging of gold nanoparticle films. J Solid State Electrochem 2013. [DOI: 10.1007/s10008-013-2121-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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5
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Cui K, De Feyter S, Mertens SF. Immersion transients reveal potential of zero charge of nanoparticle films. Electrochem commun 2012. [DOI: 10.1016/j.elecom.2012.09.035] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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6
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Mertens SFL, Vollmer C, Held A, Aguirre MH, Walter M, Janiak C, Wandlowski T. Quantisierte Aufladung von “ligandenfreien” Clustern in einer ionischen Flüssigkeit. Angew Chem Int Ed Engl 2011. [DOI: 10.1002/ange.201104381] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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7
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Mertens SFL, Vollmer C, Held A, Aguirre MH, Walter M, Janiak C, Wandlowski T. “Ligand-Free” Cluster Quantized Charging in an Ionic Liquid. Angew Chem Int Ed Engl 2011; 50:9735-8. [DOI: 10.1002/anie.201104381] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2011] [Indexed: 11/10/2022]
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8
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Ion transfer coupled discrete charging of immobilised gold nanoclusters in polar organic solvents. Electrochem commun 2011. [DOI: 10.1016/j.elecom.2011.05.026] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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9
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Li W, Wang D, Su B. Discrete reductive charging of immobilized gold nanoclusters in aqueous media. Electrochem commun 2011. [DOI: 10.1016/j.elecom.2011.03.031] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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10
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Charge Transport in Single Molecular Junctions at the Solid/Liquid Interface. Top Curr Chem (Cham) 2011; 313:121-88. [DOI: 10.1007/128_2011_238] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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11
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Li Z, Liu Y, Mertens SFL, Pobelov IV, Wandlowski T. From Redox Gating to Quantized Charging. J Am Chem Soc 2010; 132:8187-93. [DOI: 10.1021/ja102754n] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Zhihai Li
- Department of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, CH-3012 Bern, Switzerland, and Institute of Bio- and Nanosystems IBN 3 and Center of Nanoelectronic Systems, for Informational Technology, Research Center Jülich, D-52425 Jülich, Germany
| | - Yaqing Liu
- Department of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, CH-3012 Bern, Switzerland, and Institute of Bio- and Nanosystems IBN 3 and Center of Nanoelectronic Systems, for Informational Technology, Research Center Jülich, D-52425 Jülich, Germany
| | - Stijn F. L. Mertens
- Department of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, CH-3012 Bern, Switzerland, and Institute of Bio- and Nanosystems IBN 3 and Center of Nanoelectronic Systems, for Informational Technology, Research Center Jülich, D-52425 Jülich, Germany
| | - Ilya V. Pobelov
- Department of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, CH-3012 Bern, Switzerland, and Institute of Bio- and Nanosystems IBN 3 and Center of Nanoelectronic Systems, for Informational Technology, Research Center Jülich, D-52425 Jülich, Germany
| | - Thomas Wandlowski
- Department of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, CH-3012 Bern, Switzerland, and Institute of Bio- and Nanosystems IBN 3 and Center of Nanoelectronic Systems, for Informational Technology, Research Center Jülich, D-52425 Jülich, Germany
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Homberger M, Simon U. On the application potential of gold nanoparticles in nanoelectronics and biomedicine. PHILOSOPHICAL TRANSACTIONS. SERIES A, MATHEMATICAL, PHYSICAL, AND ENGINEERING SCIENCES 2010; 368:1405-53. [PMID: 20156830 DOI: 10.1098/rsta.2009.0275] [Citation(s) in RCA: 112] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Ligand-stabilized gold nanoparticles (AuNPs) are of high interest to research dedicated to future technologies such as nanoelectronics or biomedical applications. This research interest arises from the unique size-dependent properties such as surface plasmon resonance or Coulomb charging effects. It is shown here how the unique properties of individual AuNPs and AuNP assemblies can be used to create new functional materials for applications in a technical or biological environment. While the term technical environment focuses on the potential use of AuNPs as subunits in nanoelectronic devices, the term biological environment addresses issues of toxicity and novel concepts of controlling biomolecular reactions on the surface of AuNPs.
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Affiliation(s)
- Melanie Homberger
- Institute of Inorganic Chemistry and JARA-FIT, RWTH Aachen University, Landoltweg 1, 52074 Aachen, Germany
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13
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Cervera J, Mafé S. Multivalued and Reversible Logic Gates Implemented with Metallic Nanoparticles and Organic Ligands. Chemphyschem 2010; 11:1654-8. [DOI: 10.1002/cphc.200900973] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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14
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Mertens SFL, Mészáros G, Wandlowski T. Dynamics of ionic liquid mediated quantised charging of monolayer-protected clusters. Phys Chem Chem Phys 2010; 12:5417-24. [DOI: 10.1039/b921368f] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
- Stijn F L Mertens
- Departement für Chemie und Biochemie, Universität Bern, Freiestrasse 3, 3012 Bern, Switzerland.
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Cervera J, Manzanares JA, Mafé S. Device variability and circuit redundancy in signal processing based on nanoswitches. NANOTECHNOLOGY 2009; 20:465202. [PMID: 19847019 DOI: 10.1088/0957-4484/20/46/465202] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Signal processing based on molecular switches whose conductance can be tuned by an external stimulus between two (on and off) states has been proposed recently (Cervera et al 2008 J. Appl. Phys. 104 084317). The basic building block is a metal nanoparticle linked to two electrodes by an organic ligand and a nanoswitch. The net charge delivered by this nanostructure exhibits a sharp resonance when the alternating potential applied between the electrodes has the same frequency as the periodic variation between the on and off conductance states induced on the nanoswitch. This resonance can be used to process an external signal by selectively extracting the weight of the different harmonics. However, because of the fabrication process at the nanoscale, the nanostructures will show a significant variability in the physical characteristics. By using a phenomenological model that includes this variability, the stochastic nature of electron transference, and the thermal noise, we demonstrate that reliable signal processing can still be achieved by adapting the number of nanoswitches per bit of information (circuit redundancy) to the nanostructure tolerance (device variability). Extensive kinetic Monte Carlo simulations show that a moderate level of redundancy can compensate for significant nanostructure variability. This result gives support to the concept of ensembles of redundant switches as reliable components for signal processing at the nanoscale.
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Affiliation(s)
- Javier Cervera
- Facultat de Física, Universitat de València, E-46100 Burjassot, Spain.
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