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Liquid–Air Interface Self-Assembly of Nanoparticles Synthesized from Reaction Between Fe(dbm)3 and Pt(acac)2

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Abstract

The liquid–air interface is demonstrated as a method to assemble nanoparticles synthesized from the reaction between iron (III) dibenzoylmethane (Fe(dbm)3) and platinum acetylacetonate (Pt(acac)2) into a long range monolayer. These surface-modified particles have average Fe to Pt atomic ratio of 0.77:1. The increase in surfactants further reduces the Fe:Pt ratio and increases the particle diameter to over 4 nm. The self-assembled pattern of FePt-based nanoparticles can be enhanced by dropping nanoparticle suspensions on the surface of diethelyne glycol (DEG). The concentrations of these nanoparticle suspensions in hexane from 0.2 to 0.4 mg/ml can be used without the agglomeration into multilayered islands. The voids in the self-assembled monolayer on the DEG-air interface are reduced to the minimum in the case of the lowest concentration.

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Acknowledgments

This work was funded by Walailak University (WU58123). We are grateful to Prof. Dr. Thomas Randall Lee of University of Houston for his guidance and facility support in the nanoparticle synthesis.

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Authors and Affiliations

  1. Molecular Technology Research Unit, School of Science, Walailak University, Nakhon Si Thammarat, Thailand

    Pharunee Sarmphim, Chitnarong Sirisathitkul & Phimphaka Harding

  2. Department of Physics, Faculty of Science, Thaksin University, Phatthalung, Thailand

    Komkrich Chokprasombat

  3. School of Informatics, Walailak University, Nakhon Si Thammarat, Thailand

    Yaowarat Sirisathitkul

  4. Department of Physics, Faculty of Science, Khon Kaen University, Khon Kaen, Thailand

    Kunthaya Ratchaphonsaenwong

  5. Integrated Nanotechnology Research Center, Department of Physics, Faculty of Science, Khon Kaen University, Khon Kaen, Thailand

    Supree Pinitsoontorn

Authors
  1. Pharunee Sarmphim
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  2. Komkrich Chokprasombat
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  3. Chitnarong Sirisathitkul
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  4. Yaowarat Sirisathitkul
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  5. Kunthaya Ratchaphonsaenwong
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  6. Supree Pinitsoontorn
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  7. Phimphaka Harding
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Correspondence to Yaowarat Sirisathitkul.

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Sarmphim, P., Chokprasombat, K., Sirisathitkul, C. et al. Liquid–Air Interface Self-Assembly of Nanoparticles Synthesized from Reaction Between Fe(dbm)3 and Pt(acac)2 . J Clust Sci 27, 1–8 (2016). https://doi.org/10.1007/s10876-015-0922-6

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  • DOI: https://doi.org/10.1007/s10876-015-0922-6

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