Synthesis and Characterization of Pure Anatase TiO2 Aggregates

Zai, Siti Nur Azella; M, Ahmad Anis Kalantar; Ahmedullah, Sharizal Shaik; Mohamed, Norani Muti; Ahmad, Ita Athirah; Ramli, Anita

doi:10.3923/jas.2011.1326.1330

Cited by 7 publications

(1 citation statement)

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“…This investigation shows that the crystallinity of polymer significantly changed due to the disturbances in the ordered structure of polymer chains when doped with salt [27]. The characteristics peaks of the crystal phase of TiO 2 are observed at 2θ = 25.3°(101), 37.8°(104), 48.1°( 200), 54.5°(105), and 62.8°(211) [18,28,29]. As the weight percentage of TiO 2 increases in the polymer electrolyte, the crystalline peaks of TiO 2 become prominent.…”

Section: Xrd Analysismentioning

confidence: 77%

Nanocomposite polymer electrolytes comprising starch-lithium acetate and titania for all-solid-state supercapacitor

Ong

Shamsuri

Zaine

et al. 2020

Ionics

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A nanocomposite solid polymer electrolyte (SPE) system has been prepared for application in a supercapacitor. Corn starch is used to host the ionic conduction with lithium acetate (LiOAc) salt as an ion provider. Different concentrations of nanosized titanium dioxide (TiO 2 ) filler have been added to analyse the influence of nanofiller addition on the conductivity and other properties of the electrolytes. Structural characterisation and complex formation have been examined by X-ray diffraction (XRD) and Fourier transform infrared (FTIR) spectroscopy, respectively. It is shown that the room temperature conductivity changes with the change in TiO 2 concentration. Adding 4 wt.% TiO 2 to the starch-LiOAc complex leads to an optimum conductivity of (8.37 ± 1.04) × 10 −4 S cm −1 . The variation in conductivity is accompanied by the change in surface morphology as observed from field emission scanning electron microscopy (FESEM) analysis. Linear sweep voltammetry (LSV) indicates that the electrochemical potential stability window of the electrolyte with 4 wt.% TiO 2 lies in the range between − 2.0 and + 1.9 V. A supercapacitor has been assembled using the electrolyte, and its performance has been characterised using impedance technique and cyclic voltammetry.

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