Synthesis and characterization of phosphonium based ionic liquids for mild steel corrosion in 1M HCl medium
Subasree, N and Arockiaselvi, J (2026) Synthesis and characterization of phosphonium based ionic liquids for mild steel corrosion in 1M HCl medium. In: NATIONAL CONFERENCE ON RECENT TRENDS IN INTERDISCIPLINARY RESEARCH IN SCIENCE. Multi Spectrum Publications, No: 13/66, Thiruninarkurichy, Ammandivilai Post-629204, Kanyakumari, Tamilnadu, India, Tamilnadu. ISBN 978-81-996376-7-2
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Abstract
The inhibition performances of three phosphonium containing ionic liquids with variable
alkyl chain length namely, butyl triphenyl phosphonium bromide (BTPB), hexyl triphenyl
phosphonium bromide (HTPPB) and hexadecyl triphenylphosphonium bromide (HDTPPB)
were synthesized and their mild steel inhibition effect in 1M HCl was evaluated by weight
loss method, potentiodynamic polarization studies, electrochemical impedance spectroscopy,
SEM and quantum studies (DFT). Hence, theoretical calculations were used to explore the
inhibition mechanism. The results showed that HDTPPB has 97% of grater inhibition than
BTPPB and HTPPB. Adsorption studies obey the Langmuir isotherm. SEM results supported
the protective layer formed on the mild steel. Furtheremore, increasing the alkyl chain length
in ionic liquids could increase their inhibition efficiency.
| Item Type: | Book Section |
|---|---|
| Subjects: | Chemistry > Physical Chemistry |
| Domains: | Chemistry |
| Depositing User: | Mr IR Admin |
| Date Deposited: | 10 Jun 2026 09:13 |
| Last Modified: | 10 Jun 2026 09:14 |
| URI: | https://ir.vistas.ac.in/id/eprint/16306 |
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