Assembly of hydrothermally synthesized tin oxide nanocrystals

Naoto Shirahata, Atsushi Hozumi, Shuuichi Asakura, Akio Fuwa, Yoshio Sakka

    Research output: Contribution to journalArticle

    5 Citations (Scopus)

    Abstract

    We have successfully assembled highly crystalline tin oxide nanoparticles, which were synthesized through a simple hydrothermal approach, onto the chemical template of octadecyltrimethoxysilane self-assembled monolayer (OTS-SAM). Tin oxide nanoparticles were synthesized by refluxing ethanol containing 0.1 M of tin (IV) chloride pentahydrate at 70 °C for 3 h, and subsequently hydrothermally treating the resulted precipitates at 200 °C for 80 h. As a result, we could obtain the highly crystalline tin oxide nanoparticles. The average particle size and its distribution were estimated by high-resolution transmission electron microscopy observation to be about 5.8 nm and 27.6%. Area-selective assembly of tin oxide nanoparticles was performed by dipping a few drops of the suspension containing the nanoparticles onto the OTS-SAM template-covered silicon substrates, and then sonicating the substrate covered with the dried suspension in absolute toluene for 10 min. The nanoparticles assembled on the methyl-covered regions of the template were easily eliminated from the surface by the sonication, while those on the silanol-covered regions of the template remained tightly adhered to the substrate surface. As confirmed by atomic force microscopy, one-dimensional microarray of tin oxide was achieved on the substrates.

    Original languageEnglish
    Pages (from-to)731-736
    Number of pages6
    JournalJournal of Vacuum Science and Technology A: Vacuum, Surfaces and Films
    Volume23
    Issue number4
    DOIs
    Publication statusPublished - 2005 Jul

    Fingerprint

    Tin oxides
    Nanocrystals
    tin oxides
    nanocrystals
    assembly
    Nanoparticles
    nanoparticles
    templates
    Self assembled monolayers
    Substrates
    Suspensions
    Crystalline materials
    Sonication
    Tin
    Toluene
    Silicon
    Microarrays
    High resolution transmission electron microscopy
    dipping
    particle size distribution

    ASJC Scopus subject areas

    • Surfaces, Coatings and Films
    • Surfaces and Interfaces
    • Physics and Astronomy (miscellaneous)

    Cite this

    Assembly of hydrothermally synthesized tin oxide nanocrystals. / Shirahata, Naoto; Hozumi, Atsushi; Asakura, Shuuichi; Fuwa, Akio; Sakka, Yoshio.

    In: Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films, Vol. 23, No. 4, 07.2005, p. 731-736.

    Research output: Contribution to journalArticle

    Shirahata, Naoto ; Hozumi, Atsushi ; Asakura, Shuuichi ; Fuwa, Akio ; Sakka, Yoshio. / Assembly of hydrothermally synthesized tin oxide nanocrystals. In: Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films. 2005 ; Vol. 23, No. 4. pp. 731-736.
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