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Title: Investigation of printable polymers for flexible electronics
Authors: Ong, Ming Sheng
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2022
Publisher: Nanyang Technological University
Source: Ong, M. S. (2022). Investigation of printable polymers for flexible electronics. Final Year Project (FYP), Nanyang Technological University, Singapore.
Abstract: Extensive research on printable electronics is being carried out for its flexibility and potential for high volume production of high-performance lower cost devices. It paves a new way for manufacturing electronics using conductive inks with inkjet, dispensing or screen-printing techniques. To this end, different flexible substrates like polymers, paper, or textiles can be used, resulting in a lightweight and thinly printed component. The objective of this project is to investigate on and optimise new printable electronic materials with the use of ink-jet printing and dispenser-printing to demonstrate the potential in fabricating a fully printed flexible electronic device. It involves the fabrication of organic electrochemical transistor (OECT), which consists of metallic source, drain, and gate electrodes, a polymer channel and an electrolyte layer between the channel and the gate. Each part/layer of the OECT was printed individually for optimisation before a combine print. Despite obtaining some encouraging results during optimisation, they were unattainable subsequently as the inkjet printer experienced nozzle clogging issues, which could be due to solvent agglomeration. Therefore, dispenser-printing technique instead of inkjet-printing was used to fabricate the final OECT device
Fulltext Permission: restricted
Fulltext Availability: With Fulltext
Appears in Collections:EEE Student Reports (FYP/IA/PA/PI)

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