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Single-molecule detection of dihydroazulene photo-thermal reaction using break junction technique

Author

Listed:
  • Cancan Huang

    (State Key Laboratory of Physical Chemistry of Solid States, College of Chemistry and Chemical Engineering, Collaborative Innovation Center of Chemistry for Energy Materials, Xiamen University
    University of Bern)

  • Martyn Jevric

    (University of Copenhagen)

  • Anders Borges

    (University of Copenhagen)

  • Stine T. Olsen

    (University of Copenhagen)

  • Joseph M. Hamill

    (University of Bern)

  • Jue-Ting Zheng

    (State Key Laboratory of Physical Chemistry of Solid States, College of Chemistry and Chemical Engineering, Collaborative Innovation Center of Chemistry for Energy Materials, Xiamen University)

  • Yang Yang

    (State Key Laboratory of Physical Chemistry of Solid States, College of Chemistry and Chemical Engineering, Collaborative Innovation Center of Chemistry for Energy Materials, Xiamen University)

  • Alexander Rudnev

    (University of Bern)

  • Masoud Baghernejad

    (University of Bern)

  • Peter Broekmann

    (University of Bern)

  • Anne Ugleholdt Petersen

    (University of Copenhagen)

  • Thomas Wandlowski

    (University of Bern)

  • Kurt V. Mikkelsen

    (University of Copenhagen)

  • Gemma C. Solomon

    (University of Copenhagen)

  • Mogens Brøndsted Nielsen

    (University of Copenhagen)

  • Wenjing Hong

    (State Key Laboratory of Physical Chemistry of Solid States, College of Chemistry and Chemical Engineering, Collaborative Innovation Center of Chemistry for Energy Materials, Xiamen University
    University of Bern)

Abstract

Charge transport by tunnelling is one of the most ubiquitous elementary processes in nature. Small structural changes in a molecular junction can lead to significant difference in the single-molecule electronic properties, offering a tremendous opportunity to examine a reaction on the single-molecule scale by monitoring the conductance changes. Here, we explore the potential of the single-molecule break junction technique in the detection of photo-thermal reaction processes of a photochromic dihydroazulene/vinylheptafulvene system. Statistical analysis of the break junction experiments provides a quantitative approach for probing the reaction kinetics and reversibility, including the occurrence of isomerization during the reaction. The product ratios observed when switching the system in the junction does not follow those observed in solution studies (both experiment and theory), suggesting that the junction environment was perturbing the process significantly. This study opens the possibility of using nano-structured environments like molecular junctions to tailor product ratios in chemical reactions.

Suggested Citation

  • Cancan Huang & Martyn Jevric & Anders Borges & Stine T. Olsen & Joseph M. Hamill & Jue-Ting Zheng & Yang Yang & Alexander Rudnev & Masoud Baghernejad & Peter Broekmann & Anne Ugleholdt Petersen & Thom, 2017. "Single-molecule detection of dihydroazulene photo-thermal reaction using break junction technique," Nature Communications, Nature, vol. 8(1), pages 1-7, August.
    • Handle: RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_ncomms15436
    DOI: 10.1038/ncomms15436
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    Cited by:

    1. Leopoldo Mejía & Pilar Cossio & Ignacio Franco, 2023. "Microscopic theory, analysis, and interpretation of conductance histograms in molecular junctions," Nature Communications, Nature, vol. 14(1), pages 1-12, December.
    2. Peihui Li & Songjun Hou & Qingqing Wu & Yijian Chen & Boyu Wang & Haiyang Ren & Jinying Wang & Zhaoyi Zhai & Zhongbo Yu & Colin J. Lambert & Chuancheng Jia & Xuefeng Guo, 2023. "The role of halogens in Au–S bond cleavage for energy-differentiated catalysis at the single-bond limit," Nature Communications, Nature, vol. 14(1), pages 1-7, December.
    3. Songsong Li & Edward R. Jira & Nicholas H. Angello & Jialing Li & Hao Yu & Jeffrey S. Moore & Ying Diao & Martin D. Burke & Charles M. Schroeder, 2022. "Using automated synthesis to understand the role of side chains on molecular charge transport," Nature Communications, Nature, vol. 13(1), pages 1-8, December.

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