Synthesis of polyacrylamide hydrogels as p-n-junction with ionic charge carriers

Esra Alveroglu*, Yasar Yilmaz

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Three different designs for p-n junctions were formed with p-and n-type polyacrylamide hydrogels (PAAm) doped with positive (Na+) and negative (Br-) ions as charge carriers. First, previously synthesized p-and n-type gels in slab forms were contacted physically with together. Second, having synthesized p-type gel, n-type pregel solution was poured onto p-type slab gel for synthesis. Thus, p-and n-type gels were synthesized as to be contacted chemically together. Third, first p-type and n-type pregel solutions were mixed together, then the mixing was poured into a pot to form a layer, and then the reaction was performed under an electric field for directing the dopants on the opposite sides. The rectification efficiencies of all these junctions were discussed in detail. POLYM. ENG. SCI., 54:2799-2805, 2014.

Original languageEnglish
Pages (from-to)2799-2805
Number of pages7
JournalPolymer Engineering and Science
Volume54
Issue number12
DOIs
Publication statusPublished - 1 Dec 2014

Bibliographical note

Publisher Copyright:
© 2013 Society of Plastics Engineers © 2013 Society of Plastics Engineers.

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