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Projects / Programmes source: ARIS

Sensors for in-situ characterisation of capillary water in reinforced concrete

Research activity

Code Science Field Subfield
2.01.01  Engineering sciences and technologies  Civil engineering  Building materials 

Code Science Field
T153  Technological sciences  Ceramic materials and powders 
Keywords
reinforced concrete, capillary water, corrosion, potentiometric sensors, ISFET, ChemFET, ion selectivity, membranes, sol-gel, thin films, pH
Evaluation (rules)
source: COBISS
Researchers (8)
no. Code Name and surname Research area Role Period No. of publicationsNo. of publications
1.  16394  PhD Mirjam Bajt Leban  Civil engineering  Researcher  2002 - 2004  292 
2.  15552  Katarina Čavlek  Civil engineering  Researcher  2002 - 2004  27 
3.  11873  PhD Urška Lavrenčič Štangar  Chemistry  Researcher  2002 - 2004  559 
4.  09861  Jerneja Strupi-Šuput  Civil engineering  Researcher  2002 - 2004  134 
5.  14121  PhD Angelja Kjara Surca  Chemistry  Researcher  2002 - 2004  401 
6.  11992  PhD Franc Švegl  Chemistry  Head  2002 - 2004  225 
7.  20625  Milena Turičnik Deutsch  Civil engineering  Researcher  2002 - 2004  14 
8.  13523  Vera Verbovšek Judež  Civil engineering  Researcher  2002 - 2004  96 
Organisations (2)
no. Code Research organisation City Registration number No. of publicationsNo. of publications
1.  0104  National Institute of Chemistry  Ljubljana  5051592000  20,982 
2.  1502  Slovenian National Building and Civil Engineering Institute  Ljubljana  5866324000  10,455 
Abstract
The activities in the proposed research project will be focused on the "sol-gel" and "wet chemistry" preparation of ion-sensitive membranes on the gates of field-effect transistors (FETs) and on dielectric layer of dielectric/semiconductor structures, to obtain "Ion-Sensitive Field-Effect Transistors" (ISFETs) and "Chemically Sensitive Capacitors" (ChemCaps), respectively. These solid-state electronic structures will be developed in ion-sensitive sensors for detection of pH, free Cl- and SO42- ions in the capillary water of reinforced concrete. All sensors and analytical procedures will be designed in a way to facilitate rapid and selective detection of ions. The sensors will be integrated in a robust solid-state device, which will enable simultaneous potentiometric detection of ions in a small spot of concrete. Such device will provide means for continuous long-term "on-site" monitoring of pH, Cl- and SO42- ions in the capillary water of reinforced concrete constructions.
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