Azacalix[3]arene-carbazole conjugated polymer network ultrathin films for specific cation sensing

Chatthai Kaewtong, Guoqian Jiang, Yushin Park, Tim Fulghum, Akira Baba, Buncha Pulpoka, Rigoberto Advincula

研究成果: Article

23 引用 (Scopus)

抄録

Developing highly selective and sensitive chemical sensors is a challenge with respect to new materials for chemical recognition. In this study, a new conjugated polymer network precursor, hexahomotriazacalix[3]arene-carbazole has been synthesized and electrochemically cross-linked to form ultrathin films using cyclic voltammetry. The incorporation of hexahomotriazacalix[3]arene moiety as a neutral cation-binding receptor into a conjugated polycarbazole network facilitates high selectivity and sensitivity for Zn2+. The ultrathin films were characterized spectroscopically using UV-vis absorption and fluorescence spectroscopy. Surface morphology properties were examined by atomic force microscopy. Electrochemical deposition parameters and sensor transduction was studied by an electrochemical quartz crystal microbalance, surface plasmon resonance spectroscopy, and open-circuit potentiometry techniques. The results indicate that the high selectivity and sensitivity for Zn2+ compared to those of other cations is due to the combined size and dipole specificity of the azacalixarene unit and nonspecific ionic interaction with the redox couple of the conjugated polycarbazole units.

元の言語English
ページ(範囲)4915-4924
ページ数10
ジャーナルChemistry of Materials
20
発行部数15
DOI
出版物ステータスPublished - 2008 8 12
外部発表Yes

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Ultrathin films
Conjugated polymers
Cations
Positive ions
Quartz crystal microbalances
Fluorescence spectroscopy
Surface plasmon resonance
Chemical sensors
Ultraviolet spectroscopy
Absorption spectroscopy
Cyclic voltammetry
Surface morphology
Atomic force microscopy
Spectroscopy
Networks (circuits)
Sensors
carbazole
Oxidation-Reduction

ASJC Scopus subject areas

  • Materials Chemistry
  • Materials Science(all)

これを引用

Kaewtong, C., Jiang, G., Park, Y., Fulghum, T., Baba, A., Pulpoka, B., & Advincula, R. (2008). Azacalix[3]arene-carbazole conjugated polymer network ultrathin films for specific cation sensing. Chemistry of Materials, 20(15), 4915-4924. https://doi.org/10.1021/cm800284h

Azacalix[3]arene-carbazole conjugated polymer network ultrathin films for specific cation sensing. / Kaewtong, Chatthai; Jiang, Guoqian; Park, Yushin; Fulghum, Tim; Baba, Akira; Pulpoka, Buncha; Advincula, Rigoberto.

:: Chemistry of Materials, 巻 20, 番号 15, 12.08.2008, p. 4915-4924.

研究成果: Article

Kaewtong, C, Jiang, G, Park, Y, Fulghum, T, Baba, A, Pulpoka, B & Advincula, R 2008, 'Azacalix[3]arene-carbazole conjugated polymer network ultrathin films for specific cation sensing', Chemistry of Materials, 巻. 20, 番号 15, pp. 4915-4924. https://doi.org/10.1021/cm800284h
Kaewtong, Chatthai ; Jiang, Guoqian ; Park, Yushin ; Fulghum, Tim ; Baba, Akira ; Pulpoka, Buncha ; Advincula, Rigoberto. / Azacalix[3]arene-carbazole conjugated polymer network ultrathin films for specific cation sensing. :: Chemistry of Materials. 2008 ; 巻 20, 番号 15. pp. 4915-4924.
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