Studies on structural and optical properties of LiFePO4 thin films

T. Balakrishnan; N. Sankarasubramanian; A. Kathalingam

Studies on structural and optical properties of LiFePO₄ thin films

T. Balakrishnan, N. Sankarasubramanian, A. Kathalingam

Millimeterwave Innovation Technology Research Center

Thiagarajar College of Engineering

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

LiFePO₄ thin films were synthesized using cost effective spin coating method coupled with sol-gel process. Theprepared LiFePO₄ thin films were characterized by X-ray diffraction (XRD), UV-visible spectroscopy, Fourier Infrared Spectroscopy and Scanning Electron Spectroscopy. Grain size of the film was found to increase with the number of coating cycles. The films showed high optical transmittance over 90.75% in the visible range. Optical band gap energy of the films evaluated from optical absorption data was about 3.4 eV. Thickness and grain size of the films are increased with the number of spin coating cycles. Crystallization is increased at higher coating cycles. The band gap values are found to vary between 3.4 eV and 3 eV depending upon number of coating cycles.

Original language	English
Pages (from-to)	659-667
Number of pages	9
Journal	Digest Journal of Nanomaterials and Biostructures
Volume	12
Issue number	3
State	Published - 2017

Keywords

Li-ion battery
LiFePO
Sol-gel process
Spin coating
Thin film

Cite this

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title = "Studies on structural and optical properties of LiFePO4 thin films",

abstract = "LiFePO4 thin films were synthesized using cost effective spin coating method coupled with sol-gel process. Theprepared LiFePO4 thin films were characterized by X-ray diffraction (XRD), UV-visible spectroscopy, Fourier Infrared Spectroscopy and Scanning Electron Spectroscopy. Grain size of the film was found to increase with the number of coating cycles. The films showed high optical transmittance over 90.75% in the visible range. Optical band gap energy of the films evaluated from optical absorption data was about 3.4 eV. Thickness and grain size of the films are increased with the number of spin coating cycles. Crystallization is increased at higher coating cycles. The band gap values are found to vary between 3.4 eV and 3 eV depending upon number of coating cycles.",

keywords = "Li-ion battery, LiFePO, Sol-gel process, Spin coating, Thin film",

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T1 - Studies on structural and optical properties of LiFePO4 thin films

AU - Balakrishnan, T.

AU - Sankarasubramanian, N.

AU - Kathalingam, A.

PY - 2017

Y1 - 2017

N2 - LiFePO4 thin films were synthesized using cost effective spin coating method coupled with sol-gel process. Theprepared LiFePO4 thin films were characterized by X-ray diffraction (XRD), UV-visible spectroscopy, Fourier Infrared Spectroscopy and Scanning Electron Spectroscopy. Grain size of the film was found to increase with the number of coating cycles. The films showed high optical transmittance over 90.75% in the visible range. Optical band gap energy of the films evaluated from optical absorption data was about 3.4 eV. Thickness and grain size of the films are increased with the number of spin coating cycles. Crystallization is increased at higher coating cycles. The band gap values are found to vary between 3.4 eV and 3 eV depending upon number of coating cycles.

AB - LiFePO4 thin films were synthesized using cost effective spin coating method coupled with sol-gel process. Theprepared LiFePO4 thin films were characterized by X-ray diffraction (XRD), UV-visible spectroscopy, Fourier Infrared Spectroscopy and Scanning Electron Spectroscopy. Grain size of the film was found to increase with the number of coating cycles. The films showed high optical transmittance over 90.75% in the visible range. Optical band gap energy of the films evaluated from optical absorption data was about 3.4 eV. Thickness and grain size of the films are increased with the number of spin coating cycles. Crystallization is increased at higher coating cycles. The band gap values are found to vary between 3.4 eV and 3 eV depending upon number of coating cycles.

KW - Li-ion battery

KW - LiFePO

KW - Sol-gel process

KW - Spin coating

KW - Thin film

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JO - Digest Journal of Nanomaterials and Biostructures

JF - Digest Journal of Nanomaterials and Biostructures

IS - 3

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Studies on structural and optical properties of LiFePO₄ thin films

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