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Exploitation of desilylation chemistry in tailor-made functionalization on diverse surfaces

Author

Listed:
  • Yongchun Fu

    (University of Bern)

  • Songjie Chen

    (University of Bern)

  • Akiyoshi Kuzume

    (University of Bern)

  • Alexander Rudnev

    (University of Bern)

  • Cancan Huang

    (University of Bern)

  • Veerabhadrarao Kaliginedi

    (University of Bern)

  • Masoud Baghernejad

    (University of Bern)

  • Wenjing Hong

    (University of Bern)

  • Thomas Wandlowski

    (University of Bern)

  • Silvio Decurtins

    (University of Bern)

  • Shi-Xia Liu

    (University of Bern)

Abstract

Interface engineering to attain a uniform and compact self-assembled monolayer at atomically flat surfaces plays a crucial role in the bottom-up fabrication of organic molecular devices. Here we report a promising and operationally simple approach for modification/functionalization not only at ultraflat single-crystal metal surfaces, M(111) (M=Au, Pt, Pd, Rh and Ir) but also at the highly oriented pyrolytic graphite surface, upon efficient in situ cleavage of trimethylsilyl end groups of the molecules. The obtained self-assembled monolayers are ultrastable within a wide potential window. The carbon–surface bonding on various substrates is confirmed by shell-isolated nanoparticle-enhanced Raman spectroscopy. Application of this strategy in tuning surface wettability is also demonstrated. The most valuable finding is that a combination of the desilylation with the click chemistry represents an efficient method for covalent and tailor-made functionalization of diverse surfaces.

Suggested Citation

  • Yongchun Fu & Songjie Chen & Akiyoshi Kuzume & Alexander Rudnev & Cancan Huang & Veerabhadrarao Kaliginedi & Masoud Baghernejad & Wenjing Hong & Thomas Wandlowski & Silvio Decurtins & Shi-Xia Liu, 2015. "Exploitation of desilylation chemistry in tailor-made functionalization on diverse surfaces," Nature Communications, Nature, vol. 6(1), pages 1-7, May.
    • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms7403
    DOI: 10.1038/ncomms7403
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