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DOE PAGES® Journal Article: A reversible single-molecule switch based on activated antiaromaticity Title: A reversible single-molecule switch based on activated antiaromaticity Journal Article · Fri Oct 27 00:00:00 EDT 2017 · Science Advances DOI: https://doi.org/10.1126/sciadv.aao2615 · OSTI ID:1432216 ORCiD logo [1];
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  1. Columbia Univ., New York, NY (United States). Dept. of Chemistry
  2. Columbia Univ., New York, NY (United States). Dept. of Applied Physics
  3. Fudan Univ., Shanghai (China)
  4. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Molecular Foundry
  5. Columbia Univ., New York, NY (United States). Dept. of Chemistry; Columbia Univ., New York, NY (United States). Dept. of Applied Physics
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Single-molecule electronic devices provide researchers with an unprecedented ability to relate novel physical phenomena to molecular chemical structures. Typically, conjugated aromatic molecular backbones are relied upon to create electronic devices, where the aromaticity of the building blocks is used to enhance conductivity. We capitalize on the classical physical organic chemistry concept of Hückel antiaromaticity by demonstrating a single-molecule switch that exhibits low conductance in the neutral state and, upon electrochemical oxidation, reversibly switches to an antiaromatic high-conducting structure. We form single-molecule devices using the scanning tunneling microscope–based break-junction technique and observe an on/off ratio of ~70 for a thiophenylidene derivative that switches to an antiaromatic state with 6-4-6-p electrons. Through supporting nuclear magnetic resonance measurements, we show that the doubly oxidized core has antiaromatic character and we use density functional theory calculations to rationalize the origin of the high-conductance state for the oxidized single-molecule junction. Together, our work demonstrates how the concept of antiaromaticity can be exploited to create single-molecule devices that are highly conducting.

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Yin, Xiaodong, Zang, Yaping, Zhu, Liangliang, Low, Jonathan Z., Liu, Zhen-Fei, Cui, Jing, Neaton, Jeffrey B., Venkataraman, Latha, and Campos, Luis M. A reversible single-molecule switch based on activated antiaromaticity. United States: N. p., 2017. Web. doi:10.1126/sciadv.aao2615. Copy to clipboard Yin, Xiaodong, Zang, Yaping, Zhu, Liangliang, Low, Jonathan Z., Liu, Zhen-Fei, Cui, Jing, Neaton, Jeffrey B., Venkataraman, Latha, & Campos, Luis M. A reversible single-molecule switch based on activated antiaromaticity. United States. https://doi.org/10.1126/sciadv.aao2615 Copy to clipboard Yin, Xiaodong, Zang, Yaping, Zhu, Liangliang, Low, Jonathan Z., Liu, Zhen-Fei, Cui, Jing, Neaton, Jeffrey B., Venkataraman, Latha, and Campos, Luis M. Fri . "A reversible single-molecule switch based on activated antiaromaticity". United States. https://doi.org/10.1126/sciadv.aao2615. https://www.osti.gov/servlets/purl/1432216. Copy to clipboard @article{osti_1432216, title = {A reversible single-molecule switch based on activated antiaromaticity}, author = {Yin, Xiaodong and Zang, Yaping and Zhu, Liangliang and Low, Jonathan Z. and Liu, Zhen-Fei and Cui, Jing and Neaton, Jeffrey B. and Venkataraman, Latha and Campos, Luis M.}, abstractNote = {Single-molecule electronic devices provide researchers with an unprecedented ability to relate novel physical phenomena to molecular chemical structures. Typically, conjugated aromatic molecular backbones are relied upon to create electronic devices, where the aromaticity of the building blocks is used to enhance conductivity. We capitalize on the classical physical organic chemistry concept of Hückel antiaromaticity by demonstrating a single-molecule switch that exhibits low conductance in the neutral state and, upon electrochemical oxidation, reversibly switches to an antiaromatic high-conducting structure. We form single-molecule devices using the scanning tunneling microscope–based break-junction technique and observe an on/off ratio of ~70 for a thiophenylidene derivative that switches to an antiaromatic state with 6-4-6-p electrons. Through supporting nuclear magnetic resonance measurements, we show that the doubly oxidized core has antiaromatic character and we use density functional theory calculations to rationalize the origin of the high-conductance state for the oxidized single-molecule junction. Together, our work demonstrates how the concept of antiaromaticity can be exploited to create single-molecule devices that are highly conducting.}, doi = {10.1126/sciadv.aao2615}, journal = {Science Advances}, number = 10, volume = 3, place = {United States}, year = {Fri Oct 27 00:00:00 EDT 2017}, month = {Fri Oct 27 00:00:00 EDT 2017} } Copy to clipboard Export
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Save You must Sign In or Create an Account in order to save documents to your library. Print Details References (73) Cited By (22) Linked Research (1) Similar Records / Subjects Research Organization: Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States) Sponsoring Organization: USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22); National Science Foundation (NSF) Grant/Contract Number: AC02-05CH11231 OSTI ID: 1432216 Journal Information: Science Advances, Journal Name: Science Advances Journal Issue: 10 Vol. 3; ISSN 2375-2548 Publisher: AAASCopyright Statement Country of Publication: United States Language: English

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Non-aromatic annulene-based aggregation-induced emission system via aromaticity reversal process
  • Zhao, Zheng; Zheng, Xiaoyan; Du, Lili
  • Nature Communications, Vol. 10, Issue 1 https://doi.org/10.1038/s41467-019-10818-5
journal July 2019
Two-electron transfer stabilized by excited-state aromatization
  • Kim, Jinseok; Oh, Juwon; Park, Seongchul
  • Nature Communications, Vol. 10, Issue 1 https://doi.org/10.1038/s41467-019-12986-w
journal November 2019
Concepts in the design and engineering of single-molecule electronic devices
  • Xin, Na; Guan, Jianxin; Zhou, Chenguang
  • Nature Reviews Physics, Vol. 1, Issue 3 https://doi.org/10.1038/s42254-019-0022-x
journal February 2019
Direct Au–C contacts based on biphenylene for single molecule circuits
  • Arasu, Narendra P.; Vázquez, Héctor
  • Physical Chemistry Chemical Physics, Vol. 20, Issue 15 https://doi.org/10.1039/c8cp00613j
journal January 2018
Electron transport behavior of quinoidal heteroacene-based junctions: effective electron-transport pathways and quantum interference
  • Cheng, Na; Chen, Feng; Durkan, Colm
  • Physical Chemistry Chemical Physics, Vol. 20, Issue 45 https://doi.org/10.1039/c8cp05901b
journal January 2018
A sub 20 nm metal-conjugated molecule junction acting as a nitrogen dioxide sensor
  • Wani, Ishtiaq H.; Jafri, S. Hassan M.; Warna, John
  • Nanoscale, Vol. 11, Issue 14 https://doi.org/10.1039/c8nr08417c
journal January 2019
Versatile electrochemical approaches towards the fabrication of molecular electronic devices
  • Sachan, Pradeep; Mondal, Prakash Chandra
  • The Analyst, Vol. 145, Issue 5 https://doi.org/10.1039/c9an01948k
journal January 2020
Exploring antiaromaticity in single-molecule junctions formed from biphenylene derivatives
  • Gantenbein, Markus; Li, Xiaohui; Sangtarash, Sara
  • Nanoscale, Vol. 11, Issue 43 https://doi.org/10.1039/c9nr05375a
journal January 2019
A theoretical study on a series of polycyclic conjugated hydrocarbons—dinaphthobenzo[1,2:4,5]dicyclobutadienes with tunable charge transport properties by controlling [ N ]phenylenes and (anti)aromaticity
  • Yin, Hang; Zheng, Daoyuan; Qiao, Yan
  • Journal of Materials Chemistry C, Vol. 7, Issue 22 https://doi.org/10.1039/c9tc01660k
journal January 2019
Transition from stochastic events to deterministic ensemble average in electron transfer reactions revealed by single-molecule conductance measurement
  • Li, Yueqi; Wang, Hui; Wang, Zixiao
  • Proceedings of the National Academy of Sciences, Vol. 116, Issue 9 https://doi.org/10.1073/pnas.1814825116
journal February 2019
Quantum interference mediated vertical molecular tunneling transistors
  • Jia, Chuancheng; Famili, Marjan; Carlotti, Marco
  • Science Advances, Vol. 4, Issue 10 https://doi.org/10.1126/sciadv.aat8237
journal October 2018
Electronegativity, symmetry, and bond strength intrinsically control charge transport through five-membered single-molecule junction
  • Mijbil, Zainelabideen Y.
  • The European Physical Journal B, Vol. 92, Issue 10 https://doi.org/10.1140/epjb/e2019-100361-7
journal October 2019
Electron transport behavior of quinoidal heteroacene-based junctions: effective electron-transport pathways and quantum interference.
  • Cheng, Na; Chen, Feng; Durkan, Colm
  • Apollo - University of Cambridge Repository https://doi.org/10.17863/cam.33809
text January 2018

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