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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.1
- 수록면
- 162 - 170 (9page)
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In this study, dual functional conductive hydrogels containing polypyrrole (PPy) nanotubes (NTs) functionalized with beta cyclodextrin (bCD) and titania (TiO2) were produced and applied for both detection and removal of toxic substances. PPy, a representative conducting polymer was prepared in a form of nanotube (NT) and used for providing electrical conductivity. TiO2 nanoparticles were incorporated into the inside of the PPy NTs during the formation of PPy NTs, acting as a photocatalyst. Subsequently, beta-cyclodextrin (bCD) molecules were introduced as sensing media on the surface of PPy NTs via a simple surface treatment. The resulting TiO2 @PPy-bCD hybrid NTs were embedded into agarose matrix to obtain a conductive hydrogel, simultaneously improving compatibility with substrates. The electrical properties of the hydrogel were investigated, showing electrical conductivity of approximately 10−3S/cm and ohmic I-V relation on Au electrode. The sensing capability for a model analyte compound (methyl paraben, MPRB) down to 10 nM and photocatalytic degradation of methylene blue (MB) were demonstrated effectively. This study can provide important information for upcoming research activities for environmentally benign and toxic free versatile chemical sensors in diverse relevant fields.
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참고문헌 (40)
참고문헌 신청
Xiang, C. / 2015 / Ammonia sensor based on polypyrrole–graphene nanocomposite decorated with titania nanoparticles / Ceramics Int 41:6432~6438
Ramesan, M. T. / 2018 / Structural characterization, material properties and sensor application study of in situ polymerized polypyrrole/silver doped titanium dioxide nanocomposites / Mater. Chem. Phys 211:343~354
Xiaohui, T. / 2017 / A formaldehyde sensor based on molecularlyimprinted polymer on a TiO 2 nanotube array / Sensors 17:675
Mehdinia, A. / 2017 / Trace determination of lead(II) ions by using a magnetic nanocomposite of the type FeO/TiO/PPy as a sorbent, and FAAS for quantitation / Microchim. Acta 184:1529~1537
Yu, M. / 2019 / Titanium dioxide and polypyrrole molecularly imprinted polymer nanocomposites based electrochemical sensor for highly selective detection of p -nonylphenol / Anal. Chim. Acta 1080:84~94
Ramesan, M. T. / 2018 / Structural characterization, material properties and sensor application study of in situ polymerized polypyrrole/silver doped titanium dioxide nanocomposites / Mater. Chem. Phys 211:343~354
Xiaohui, T. / 2017 / A formaldehyde sensor based on molecularlyimprinted polymer on a TiO 2 nanotube array / Sensors 17:675
Mehdinia, A. / 2017 / Trace determination of lead(II) ions by using a magnetic nanocomposite of the type FeO/TiO/PPy as a sorbent, and FAAS for quantitation / Microchim. Acta 184:1529~1537
Yu, M. / 2019 / Titanium dioxide and polypyrrole molecularly imprinted polymer nanocomposites based electrochemical sensor for highly selective detection of p -nonylphenol / Anal. Chim. Acta 1080:84~94
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