A New 3D Printing System of Poly(3,4-ethylenedioxythiophene) for Realizing a High Electrical Conductivity and Fine Processing Resolution

Micro-nano 3D printing of the conductive 3,4-ethylenedioxythiophene polymer (PEDOT) was performed in this study. An oil immersion objective lens was introduced into the 3D photofabrication system using a femtosecond pulsed laser as the light source. As a result, the processing resolution in the hori...

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Bibliographic Details
Published in:Micromachines (Basel) 2020-12, Vol.11 (12), p.1120
Main Authors: Yamada, Katsumi, Sone, Junji
Format: Article
Language:English
Subjects:
3-D printers
Conductivity
electrical conductivity
Electrical resistivity
Femtosecond pulsed lasers
Lasers
Light
Light sources
micro-nano 3D printing
poly(3,4-ethylenedioxythiophene)
Polymerization
Polymers
processing resolution
Submerging
Three dimensional printing
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Summary:Micro-nano 3D printing of the conductive 3,4-ethylenedioxythiophene polymer (PEDOT) was performed in this study. An oil immersion objective lens was introduced into the 3D photofabrication system using a femtosecond pulsed laser as the light source. As a result, the processing resolution in the horizontal and vertical directions was improved in comparison to our previous study. A relatively high electrical conductivity (3500 S/cm) was found from the obtained 3D PEDOT micro-structures. It is noteworthy that the high conductivity of the PEDOT was obtained in the mixed state with an insulating Nafion sheet.
ISSN:2072-666X
2072-666X
DOI:10.3390/mi11121120