Abstract
Ionogels are an emerging class of soft materials that exhibit ionic conductivity and thermal stability without the need to replenish ions or the addition of conductive particle fillers. An ionogel ink is reported for direct-write 3D printing to fabricate conductive structures that can vary in the printed object geometries. This approach relies on a shear-thinning ionogel ink that can be extruded to afford self-supporting constructs. After a brief UV cure, the printed construct is transformed into a mechanically tough, transparent structure that is ionically conductive. Upon application of stretching and twisting loads, the 3D-printed objects exhibit detectable changes in conductivity. To demonstrate the versatility of rapid prototyping with the ionogel inks, an auxetic structure is 3D printed and tested as a strain sensor. The printed auxetic structure exhibits an electrical response to strain, but also demonstrates increased extensibility and operational range in comparison to a casted bulk film with the same outer dimensions.
| Original language | English (US) |
|---|---|
| Article number | 1900452 |
| Journal | Advanced Materials Technologies |
| Volume | 4 |
| Issue number | 9 |
| DOIs | |
| State | Published - Sep 1 2019 |
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Keywords
- ionic liquids
- ionogels
- printing
- soft sensors
- stretchable sensors
Cite this
3D Printing Ionogel Auxetic Frameworks for Stretchable Sensors. / Wong, Jitkanya; Gong, Alex T.; Defnet, Peter A.; Meabe, Leire; Beauchamp, Bruce; Sweet, Rob; Sardon, Haritz; Cobb, Corie L.; Nelson, Alshakim.
In: Advanced Materials Technologies, Vol. 4, No. 9, 1900452, 01.09.2019.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - 3D Printing Ionogel Auxetic Frameworks for Stretchable Sensors
AU - Wong, Jitkanya
AU - Gong, Alex T.
AU - Defnet, Peter A.
AU - Meabe, Leire
AU - Beauchamp, Bruce
AU - Sweet, Rob
AU - Sardon, Haritz
AU - Cobb, Corie L.
AU - Nelson, Alshakim
PY - 2019/9/1
Y1 - 2019/9/1
N2 - Ionogels are an emerging class of soft materials that exhibit ionic conductivity and thermal stability without the need to replenish ions or the addition of conductive particle fillers. An ionogel ink is reported for direct-write 3D printing to fabricate conductive structures that can vary in the printed object geometries. This approach relies on a shear-thinning ionogel ink that can be extruded to afford self-supporting constructs. After a brief UV cure, the printed construct is transformed into a mechanically tough, transparent structure that is ionically conductive. Upon application of stretching and twisting loads, the 3D-printed objects exhibit detectable changes in conductivity. To demonstrate the versatility of rapid prototyping with the ionogel inks, an auxetic structure is 3D printed and tested as a strain sensor. The printed auxetic structure exhibits an electrical response to strain, but also demonstrates increased extensibility and operational range in comparison to a casted bulk film with the same outer dimensions.
AB - Ionogels are an emerging class of soft materials that exhibit ionic conductivity and thermal stability without the need to replenish ions or the addition of conductive particle fillers. An ionogel ink is reported for direct-write 3D printing to fabricate conductive structures that can vary in the printed object geometries. This approach relies on a shear-thinning ionogel ink that can be extruded to afford self-supporting constructs. After a brief UV cure, the printed construct is transformed into a mechanically tough, transparent structure that is ionically conductive. Upon application of stretching and twisting loads, the 3D-printed objects exhibit detectable changes in conductivity. To demonstrate the versatility of rapid prototyping with the ionogel inks, an auxetic structure is 3D printed and tested as a strain sensor. The printed auxetic structure exhibits an electrical response to strain, but also demonstrates increased extensibility and operational range in comparison to a casted bulk film with the same outer dimensions.
KW - ionic liquids
KW - ionogels
KW - printing
KW - soft sensors
KW - stretchable sensors
UR - http://www.scopus.com/inward/record.url?scp=85070486797&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85070486797&partnerID=8YFLogxK
U2 - 10.1002/admt.201900452
DO - 10.1002/admt.201900452
M3 - Article
AN - SCOPUS:85070486797
VL - 4
JO - Advanced Materials Technologies
JF - Advanced Materials Technologies
SN - 2365-709X
IS - 9
M1 - 1900452
ER -