Densely packed organic nanocrystals ultrathin film using a liquid-liquid interface

J. Matsui; T. Shibata; K. Yamamoto; T. Yokoyama; A. Masuhara; Hitoshi Kasai; Hidetoshi Oikawa; T. Miyashita

doi:10.1016/j.synthmet.2009.01.025

Densely packed organic nanocrystals ultrathin film using a liquid-liquid interface

J. Matsui, T. Shibata, K. Yamamoto, T. Yokoyama, A. Masuhara, Hitoshi Kasai, Hidetoshi Oikawa, T. Miyashita

Polymer Hybrid Materials Research Center

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

We report a fabrication of densely packed polydiacetylene nanocrystal film using a liquid-liquid interface. Polydiacetylene (pDCHD) nanocrystals was dispersed into water solution by reprecipitation method from a good solvent. Then, hexane was added to the water dispersion to create the liquid-liquid interface. pDCHD nanocrystals were assembled at the interface, when ethanol was added to the pDCHD water dispersion-hexane solution. The assembled film was transferred onto a solid substrate and the film morphology was observed by scanning electron microscope (SEM). With addition of 10 vol% of ethanol to 2.5 mM of pDCHD water dispersion-hexane solution, a densely packed pDCHD film is fabricated. Optical and electrical properties of the pDCHD film are discussed by UV-vis spectroscopy and current-voltage measurement.

Original language	English
Pages (from-to)	847-850
Number of pages	4
Journal	Synthetic Metals
Volume	159
Issue number	9-10
DOIs	https://doi.org/10.1016/j.synthmet.2009.01.025
Publication status	Published - 2009 May 1

Keywords

Liquid-liquid interface
Polydiacetylene nanocrystal
Self-assembly

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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title = "Densely packed organic nanocrystals ultrathin film using a liquid-liquid interface",

abstract = "We report a fabrication of densely packed polydiacetylene nanocrystal film using a liquid-liquid interface. Polydiacetylene (pDCHD) nanocrystals was dispersed into water solution by reprecipitation method from a good solvent. Then, hexane was added to the water dispersion to create the liquid-liquid interface. pDCHD nanocrystals were assembled at the interface, when ethanol was added to the pDCHD water dispersion-hexane solution. The assembled film was transferred onto a solid substrate and the film morphology was observed by scanning electron microscope (SEM). With addition of 10 vol% of ethanol to 2.5 mM of pDCHD water dispersion-hexane solution, a densely packed pDCHD film is fabricated. Optical and electrical properties of the pDCHD film are discussed by UV-vis spectroscopy and current-voltage measurement.",

keywords = "Liquid-liquid interface, Polydiacetylene nanocrystal, Self-assembly",

author = "J. Matsui and T. Shibata and K. Yamamoto and T. Yokoyama and A. Masuhara and Hitoshi Kasai and Hidetoshi Oikawa and T. Miyashita",

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AU - Matsui, J.

AU - Shibata, T.

AU - Yamamoto, K.

AU - Yokoyama, T.

AU - Masuhara, A.

AU - Kasai, Hitoshi

AU - Oikawa, Hidetoshi

AU - Miyashita, T.

PY - 2009/5/1

Y1 - 2009/5/1

N2 - We report a fabrication of densely packed polydiacetylene nanocrystal film using a liquid-liquid interface. Polydiacetylene (pDCHD) nanocrystals was dispersed into water solution by reprecipitation method from a good solvent. Then, hexane was added to the water dispersion to create the liquid-liquid interface. pDCHD nanocrystals were assembled at the interface, when ethanol was added to the pDCHD water dispersion-hexane solution. The assembled film was transferred onto a solid substrate and the film morphology was observed by scanning electron microscope (SEM). With addition of 10 vol% of ethanol to 2.5 mM of pDCHD water dispersion-hexane solution, a densely packed pDCHD film is fabricated. Optical and electrical properties of the pDCHD film are discussed by UV-vis spectroscopy and current-voltage measurement.

AB - We report a fabrication of densely packed polydiacetylene nanocrystal film using a liquid-liquid interface. Polydiacetylene (pDCHD) nanocrystals was dispersed into water solution by reprecipitation method from a good solvent. Then, hexane was added to the water dispersion to create the liquid-liquid interface. pDCHD nanocrystals were assembled at the interface, when ethanol was added to the pDCHD water dispersion-hexane solution. The assembled film was transferred onto a solid substrate and the film morphology was observed by scanning electron microscope (SEM). With addition of 10 vol% of ethanol to 2.5 mM of pDCHD water dispersion-hexane solution, a densely packed pDCHD film is fabricated. Optical and electrical properties of the pDCHD film are discussed by UV-vis spectroscopy and current-voltage measurement.

KW - Liquid-liquid interface

KW - Polydiacetylene nanocrystal

KW - Self-assembly

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