Self-Assembled Regenerated Cellulose Spacer Film in Thin Film and Generator-Collector Electrodes

Anne Vuorema; Mika Sillanpää; Marianna Vehviläinen; Taina Kamppuri; Pertti Nousiainen; Wim Thielemans; Frank Marken

doi:10.1002/elan.201300141

Self-Assembled Regenerated Cellulose Spacer Film in Thin Film and Generator-Collector Electrodes

Anne Vuorema, Mika Sillanpää, Marianna Vehviläinen, Taina Kamppuri, Pertti Nousiainen, Wim Thielemans, Frank Marken

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

2 Citations (Scopus)

Abstract

Reconstituted cellulose spontaneously self-assembles at surfaces from an alkaline cellulose solution (ca. 1wt%, pH14, prepared with an enzymatic method from wood pulp) into porous films with approximately 300nm thickness per layer, for example onto immersed tin-doped indium oxide (ITO) electrodes. Sequential multi-layer deposition allows control over the thickness of the assembled films. The hydrophilic properties of the cellulose film electrodes are utilised here (i) as dip-probe with capillary force picking up sample solution and (ii) as flow-through generator-collector probe, for example for future application in in situ chromatographic separation in end-column detection with nano-molar sensitivity.

Original language	English
Pages (from-to)	1773-1779
Number of pages	7
Journal	Electroanalysis
Volume	25
Issue number	7
DOIs	https://doi.org/10.1002/elan.201300141
Publication status	Published - Jul 2013
Externally published	Yes

Keywords

Assembly
Double layer
Electrochemistry
End-column sensor
Hydrophilicity
ITO
Junction
Regenerated nano-cellulose
Voltammetry

ASJC Scopus subject areas

Analytical Chemistry
Electrochemistry

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10.1002/elan.201300141

Cite this

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abstract = "Reconstituted cellulose spontaneously self-assembles at surfaces from an alkaline cellulose solution (ca. 1wt%, pH14, prepared with an enzymatic method from wood pulp) into porous films with approximately 300nm thickness per layer, for example onto immersed tin-doped indium oxide (ITO) electrodes. Sequential multi-layer deposition allows control over the thickness of the assembled films. The hydrophilic properties of the cellulose film electrodes are utilised here (i) as dip-probe with capillary force picking up sample solution and (ii) as flow-through generator-collector probe, for example for future application in in situ chromatographic separation in end-column detection with nano-molar sensitivity.",

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AU - Vuorema, Anne

AU - Sillanpää, Mika

AU - Vehviläinen, Marianna

AU - Kamppuri, Taina

AU - Nousiainen, Pertti

AU - Thielemans, Wim

AU - Marken, Frank

PY - 2013/7

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AB - Reconstituted cellulose spontaneously self-assembles at surfaces from an alkaline cellulose solution (ca. 1wt%, pH14, prepared with an enzymatic method from wood pulp) into porous films with approximately 300nm thickness per layer, for example onto immersed tin-doped indium oxide (ITO) electrodes. Sequential multi-layer deposition allows control over the thickness of the assembled films. The hydrophilic properties of the cellulose film electrodes are utilised here (i) as dip-probe with capillary force picking up sample solution and (ii) as flow-through generator-collector probe, for example for future application in in situ chromatographic separation in end-column detection with nano-molar sensitivity.

KW - Assembly

KW - Double layer

KW - Electrochemistry

KW - End-column sensor

KW - Hydrophilicity

KW - ITO

KW - Junction

KW - Regenerated nano-cellulose

KW - Voltammetry

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JO - Electroanalysis

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Self-Assembled Regenerated Cellulose Spacer Film in Thin Film and Generator-Collector Electrodes

Abstract

Keywords

ASJC Scopus subject areas

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