Structural and electrochemical analysis of chemically synthesized microcubic architectured lead selenide thin films

T. S. Bhat; A. V. Shinde; R. S. Devan; A. M. Teli; Y. R. Ma; J. H. Kim; P. S. Patil

doi:10.1007/s00339-017-1441-0

Structural and electrochemical analysis of chemically synthesized microcubic architectured lead selenide thin films

T. S. Bhat, A. V. Shinde, R. S. Devan, A. M. Teli, Y. R. Ma, J. H. Kim, P. S. Patil

Department of Electronics & Electrical Engineering

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

20 Scopus citations

Abstract

The present work deals with the synthesis of lead selenide (PbSe) thin films by simple and cost-effective chemical bath deposition method with variation in deposition time. The structural, morphological, and electrochemical properties of as-deposited thin films were examined using characterization techniques such as X-ray diffraction spectroscopy (XRD), field-emission scanning electron microscopy (FE-SEM), X-ray photoelectron spectroscopy (XPS), cyclic voltammetry (CV), galvanostatic charge–discharge and electrochemical impedance spectroscopy. XRD reveals formation of rock salt phase cubic structured PbSe. FE-SEM images show the formation of microcubic structured morphology. The existence of the PbSe is confirmed from the XPS analysis. On the other hand, CV curves show four reaction peaks corresponding to oxidation [PbSe and Pb(OH)₂] and reduction (PbO₂ and Pb(OH)₂) at the surface of PbSe thin films. The PbSe:2 sample deposited for 80 min. shows maximum specific capacitance of 454 ± 5 F g^{− 1} obtained at 0.25 mA cm^{− 2} current density. The maximum energy density of 69 Wh kg^{− 1} was showed by PbSe:2 electrode with a power density of 1077 W kg^{− 1}. Furthermore, electrochemical impedance studies of PbSe:2 thin film show 80 ± 3% cycling stability even after 500 CV cycles. Such results show the importance of microcubic structured PbSe thin film as an anode in supercapacitor devices.

Original language	English
Article number	34
Journal	Applied Physics A: Materials Science and Processing
Volume	124
Issue number	1
DOIs	https://doi.org/10.1007/s00339-017-1441-0
State	Published - 1 Jan 2018

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title = "Structural and electrochemical analysis of chemically synthesized microcubic architectured lead selenide thin films",

abstract = "The present work deals with the synthesis of lead selenide (PbSe) thin films by simple and cost-effective chemical bath deposition method with variation in deposition time. The structural, morphological, and electrochemical properties of as-deposited thin films were examined using characterization techniques such as X-ray diffraction spectroscopy (XRD), field-emission scanning electron microscopy (FE-SEM), X-ray photoelectron spectroscopy (XPS), cyclic voltammetry (CV), galvanostatic charge–discharge and electrochemical impedance spectroscopy. XRD reveals formation of rock salt phase cubic structured PbSe. FE-SEM images show the formation of microcubic structured morphology. The existence of the PbSe is confirmed from the XPS analysis. On the other hand, CV curves show four reaction peaks corresponding to oxidation [PbSe and Pb(OH)2] and reduction (PbO2 and Pb(OH)2) at the surface of PbSe thin films. The PbSe:2 sample deposited for 80 min. shows maximum specific capacitance of 454 ± 5 F g− 1 obtained at 0.25 mA cm− 2 current density. The maximum energy density of 69 Wh kg− 1 was showed by PbSe:2 electrode with a power density of 1077 W kg− 1. Furthermore, electrochemical impedance studies of PbSe:2 thin film show 80 ± 3% cycling stability even after 500 CV cycles. Such results show the importance of microcubic structured PbSe thin film as an anode in supercapacitor devices.",

author = "Bhat, {T. S.} and Shinde, {A. V.} and Devan, {R. S.} and Teli, {A. M.} and Ma, {Y. R.} and Kim, {J. H.} and Patil, {P. S.}",

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AU - Bhat, T. S.

AU - Shinde, A. V.

AU - Devan, R. S.

AU - Teli, A. M.

AU - Ma, Y. R.

AU - Kim, J. H.

AU - Patil, P. S.

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AB - The present work deals with the synthesis of lead selenide (PbSe) thin films by simple and cost-effective chemical bath deposition method with variation in deposition time. The structural, morphological, and electrochemical properties of as-deposited thin films were examined using characterization techniques such as X-ray diffraction spectroscopy (XRD), field-emission scanning electron microscopy (FE-SEM), X-ray photoelectron spectroscopy (XPS), cyclic voltammetry (CV), galvanostatic charge–discharge and electrochemical impedance spectroscopy. XRD reveals formation of rock salt phase cubic structured PbSe. FE-SEM images show the formation of microcubic structured morphology. The existence of the PbSe is confirmed from the XPS analysis. On the other hand, CV curves show four reaction peaks corresponding to oxidation [PbSe and Pb(OH)2] and reduction (PbO2 and Pb(OH)2) at the surface of PbSe thin films. The PbSe:2 sample deposited for 80 min. shows maximum specific capacitance of 454 ± 5 F g− 1 obtained at 0.25 mA cm− 2 current density. The maximum energy density of 69 Wh kg− 1 was showed by PbSe:2 electrode with a power density of 1077 W kg− 1. Furthermore, electrochemical impedance studies of PbSe:2 thin film show 80 ± 3% cycling stability even after 500 CV cycles. Such results show the importance of microcubic structured PbSe thin film as an anode in supercapacitor devices.

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Structural and electrochemical analysis of chemically synthesized microcubic architectured lead selenide thin films

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