Fabrication of a nanoparticle TiO2 photoelectrochemical cell utilizing a solid polymeric electrolyte of PAN-PC-LiClO4

Rika Taslim, Mohd Yusri Abd Rahman, Muhamad Mat Salleh, Ali Umar Akrajas, Azizan Ahmad

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

A nanoparticle TiO2 solid-state photoelectrochemical cell utilizing as a solid electrolyte of poly(acrylonitrile)-propylene-carbonate-lithium perchlorate (PAN-PC-LiClO4) has been fabricated. The performance of the device has been tested in the dark and under illumination of 100-mW cm-2 light. A nanoparticle TiO2 film was deposited onto indium tin oxide-covered glass substrate by controlled hydrolysis technique assisted with spin-coating technique. The average grain size for the TiO2 film is 76 nm. LiClO4 salt was used as a redox couple. The room temperature conductivity of the electrolyte is 4.2×10-4 S cm-1. A graphite electrode was prepared onto a glass slide by electron beam evaporation technique. The device shows the rectification property in the dark and shows the photovoltaic effect under illumination. The best Jsc and Voc of the device were 2.82 μA cm-2 and Voc of 0.58 V, respectively, obtained at the conductivity of 4.2×10-4 S cm-1 and intensity of 100 mW cm-2. The Jsc was improved by about three times by introducing nanoparticle TiO2 and by using a solid electrolyte of PAN-PC-LiClO4 replacing PVC-PC-LiClO4 in the device. The current transport mechanism of the cell is also presented in this paper.

Original languageEnglish
Pages (from-to)639-644
Number of pages6
JournalIonics
Volume16
Issue number7
DOIs
Publication statusPublished - 2010

Fingerprint

Photoelectrochemical cells
polyacrylonitrile
Electrolytes
Solid electrolytes
electrolytes
Nanoparticles
Fabrication
nanoparticles
fabrication
solid electrolytes
Lighting
cells
Photovoltaic effects
ITO glass
Graphite electrodes
Coating techniques
illumination
Spin coating
lithium perchlorates
Polyvinyl chlorides

Keywords

  • Hydrolysis technique
  • Ionic conductivity
  • Nanoparticle TiO
  • PAN-PC-LiClO

ASJC Scopus subject areas

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

Cite this

Fabrication of a nanoparticle TiO2 photoelectrochemical cell utilizing a solid polymeric electrolyte of PAN-PC-LiClO4 . / Taslim, Rika; Abd Rahman, Mohd Yusri; Mat Salleh, Muhamad; Akrajas, Ali Umar; Ahmad, Azizan.

In: Ionics, Vol. 16, No. 7, 2010, p. 639-644.

Research output: Contribution to journalArticle

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