Controlled deposition of sol–gel sensor material using hemiwicking
Publication: Research - peer-review › Journal article – Annual report year: 2011
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Controlled deposition of sol–gel sensor material using hemiwicking. / Mikkelsen, Morten Bo Lindholm; Marie, Rodolphe; Hansen, Jan H; Wencel, Dorota; McDonagh, Colette; Nielsen, Hans Ole; Kristensen, Anders.
In: Journal of Micromechanics and Microengineering, Vol. 21, No. 11, 2011, p. 115008.Publication: Research - peer-review › Journal article – Annual report year: 2011
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TY - JOUR
T1 - Controlled deposition of sol–gel sensor material using hemiwicking
A1 - Mikkelsen,Morten Bo Lindholm
A1 - Marie,Rodolphe
A1 - Hansen,Jan H
A1 - Wencel,Dorota
A1 - McDonagh,Colette
A1 - Nielsen,Hans Ole
A1 - Kristensen,Anders
AU - Mikkelsen,Morten Bo Lindholm
AU - Marie,Rodolphe
AU - Hansen,Jan H
AU - Wencel,Dorota
AU - McDonagh,Colette
AU - Nielsen,Hans Ole
AU - Kristensen,Anders
PY - 2011
Y1 - 2011
N2 - Optical sensors are fabricated by depositing liquid sol–gel sensor material on a polycarbonate surface, which has been decorated with arrays of periodic micropillars. Using the principle of hemiwicking, the liquid material is spread, guided by the surface structures, to homogeneously fill the volume between the surface structures and form a liquid film with a thickness determined by the height of the micropillars. After evaporation of solvents, a uniform layer of sensor material resides on the surface. This fabrication method enables easy and reproducible deposits of isolated spots of different sensor materials of precise thickness to be made on plastic surfaces, and it provides an improved method for fabricating cheap optical sensors integrated in disposable lab containers.
AB - Optical sensors are fabricated by depositing liquid sol–gel sensor material on a polycarbonate surface, which has been decorated with arrays of periodic micropillars. Using the principle of hemiwicking, the liquid material is spread, guided by the surface structures, to homogeneously fill the volume between the surface structures and form a liquid film with a thickness determined by the height of the micropillars. After evaporation of solvents, a uniform layer of sensor material resides on the surface. This fabrication method enables easy and reproducible deposits of isolated spots of different sensor materials of precise thickness to be made on plastic surfaces, and it provides an improved method for fabricating cheap optical sensors integrated in disposable lab containers.
KW - Interfaces and thin films
KW - Optics
KW - Liquids and polymers
KW - Surfaces
KW - Soft matter
KW - Instrumentation and measurement
KW - Quantum optics and lasers
U2 - 10.1088/0960-1317/21/11/115008
DO - 10.1088/0960-1317/21/11/115008
JO - Journal of Micromechanics and Microengineering
JF - Journal of Micromechanics and Microengineering
SN - 09601317
IS - 11
VL - 21
SP - 115008
ER -