Effect of lithium salt on physicochemical properties of P(MMA-co-EMA) based copolymer electrolytes for dye-sensitized solar cell application

N. A. Dzulkurnain, M. S.A. Rani, Azizan Ahmad, N. S. Mohamed

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

In the present work, free standing films of methyl methacrylate and ethyl methacrylate complexed with different weight ratios of lithium iodide salt were successfully prepared via solution casting technique. Fourier transform infrared spectroscopy showed that the interaction between lithium ion and oxygen atoms occurred at carbonyl and ether group of the host copolymer. The incorporation of 20 wt% lithium iodide optimized the ambient temperature conductivity of the electrolyte up to 1.3 × 10−6 S cm−1. The glass transition temperature and activation energy decreased with increase in ionic conductivity which can be explained by the increase of segmental motion in polymer matrix resulting in enhancement of ion mobility. The majority of ions in this copolymer systems were anions as confirmed from lithium transference number measurements. The dye-sensitized solar cell fabricated using the highest conducting film exhibited photovoltaic response efficiency of 0.45%.

Original languageEnglish
Pages (from-to)1-8
Number of pages8
JournalIonics
DOIs
Publication statusAccepted/In press - 6 Jul 2017

Fingerprint

Lithium
Electrolytes
copolymers
Copolymers
Salts
lithium
solar cells
dyes
electrolytes
salts
Methacrylates
Iodides
Ions
iodides
ions
Conductive films
Ionic conductivity
Polymer matrix
Ether
glass transition temperature

Keywords

  • Copolymer
  • Dye-sensitized solar cell
  • Ionic conductivity
  • Lithium iodide

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Materials Science(all)
  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

Effect of lithium salt on physicochemical properties of P(MMA-co-EMA) based copolymer electrolytes for dye-sensitized solar cell application. / Dzulkurnain, N. A.; Rani, M. S.A.; Ahmad, Azizan; Mohamed, N. S.

In: Ionics, 06.07.2017, p. 1-8.

Research output: Contribution to journalArticle

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