Process optimisation for n-type Bi2Te3 films electrodeposited on flexible recycled carbon fibre using response surface methodology

Priyanka R. Jagadish, Mohammad Khalid, Nowshad Amin, Lau Phei Li, Andy Chan

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Electrodeposition method was used to synthesise n-type bismuth telluride (Bi2Te3) films on recycled carbon fibre under different deposition conditions. D-optimal model under response surface methodology was used to design the experiment and optimise the following deposition parameters: deposition potential (V), deposition time (h), deposition temperature (°C) and electrolyte composition (molar concentration). The effects of electrodeposition parameters were evaluated within the limits of deposition potential (−0.10 to −0.60 V), deposition time (0.5–3 h), deposition temperature (25–60 °C) and electrolyte composition (0.2, 0.4 and 0.6 of Bi/(Bi + Te)). The optimum conditions for the electrodeposition parameters with the least amount of chemicals, time and energy consumption were −0.10 V, 0.5 h, 25 °C and 0.240 Bi/(Bi + Te), respectively, for deposition potential, deposition time, deposition temperature and electrolyte composition. Moreover, the validation of predicted values shows good agreement with experimental results with 1.45% deviation.

Original languageEnglish
Pages (from-to)1-15
Number of pages15
JournalJournal of Materials Science
DOIs
Publication statusAccepted/In press - 20 Jun 2017

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Carbon fibers
Electrodeposition
Electrolytes
carbon fiber
Chemical analysis
Bismuth
Temperature
Energy utilization

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Process optimisation for n-type Bi2Te3 films electrodeposited on flexible recycled carbon fibre using response surface methodology. / Jagadish, Priyanka R.; Khalid, Mohammad; Amin, Nowshad; Li, Lau Phei; Chan, Andy.

In: Journal of Materials Science, 20.06.2017, p. 1-15.

Research output: Contribution to journalArticle

Jagadish, Priyanka R. ; Khalid, Mohammad ; Amin, Nowshad ; Li, Lau Phei ; Chan, Andy. / Process optimisation for n-type Bi2Te3 films electrodeposited on flexible recycled carbon fibre using response surface methodology. In: Journal of Materials Science. 2017 ; pp. 1-15.
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