Chemical synthesis of Fe2O3 thin films for supercapacitor application

Kulal, Prakash; Dubal, Deepak P.; Lokhande, C.D.; Fulari, V. J.

doi:10.1016/j.jallcom.2010.11.091

Cited by 311 publications

(95 citation statements)

References 20 publications

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“…The thickness of thin films, which is a significant parameter in thin film studies, has been calculated by the gravimetric weight difference method and the thicknesses of all samples are approximately 800 nm [12].…”

Section: Methodsmentioning

confidence: 99%

Characterization of MgO:Cd thin films grown by SILAR method

Güney

İskenderoğlu

2018

Can. J. Phys.

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The undoped and 1%, 2% and 3% Cd doped MgO nanostructures were grown by SILAR method on the soda lime glass substrate. X-ray diffractometer (XRD), ultraviolet-visible spectrometer, scanning electron microscope (SEM), photoluminesans (PL), X-ray photoelectron spectroscopy (XPS) measurements were taken to investigate Cd doping effects on the structural, optical and morphological properties of MgO nanostructures. XRD measurements show that the samples have cubic structure and the planes of (200), (220)

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Section: Methodsmentioning

confidence: 99%

Characterization of MgO:Cd thin films grown by SILAR method

Güney

İskenderoğlu

2018

Can. J. Phys.

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“…[12][13][14] Several redox active metal oxides and sulfides, such as iron oxide, nickel oxide, ruthenium oxide, cobalt oxide, manganese oxide, molybdenum sulfide and cobalt sulfide, have been used for supercapacitor applications. [14][15][16][17][18][19][20][21][22][23][24][25][26][27][28] Recently, metal molybdates have attracted considerable research interest for supercapacitor applications due to their excellent electrochemical performance, low cost and environmental friendliness. 29 Mai et al 30 synthesized three-dimensional MnMoO 4 /CoMoO 4 hetero-structures.…”

Section: Introductionmentioning

confidence: 99%

New insight into high-temperature driven morphology reliant CoMoO₄ flexible supercapacitors

et al. 2015

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A facile hydrothermal method has been successfully developed for the synthesis of cobalt molybdate (CoMoO 4 ). The morphology of the CoMoO 4 was tailored by varying the growth conditions, and as a result different morphologies have been achieved such as cauliflower, brick and nano-sphere structures. The proposed potential use of the CoMoO 4 as an electrode material for flexible supercapacitor applications was examined using cyclic voltammetry (CV) and galvanostatic charge-discharge measurements. It was observed that the specific capacitance of CoMoO 4 depends on its morphology. A specific capacitance of 169 F g À1 in 3 M KOH at a current of 1 mA was observed for the nano-sphered CoMoO 4 .The effect of the electrolyte (LiOH, NaOH and KOH) on the electrochemical properties of the CoMoO 4 was also investigated. The specific capacitance depends on the type of electrolyte and showed the highest value of 259 F g À1 in a 3 M NaOH electrolyte. Furthermore, these electrodes showed excellent cyclic stability. We have fabricated a flexible supercapacitor device by sandwiching two electrodes separated by an ion-transporting layer. The device shows no degradation in its capacitive properties upon bending and shows improved stability with the number of cyclic CV performances. The effect of temperature on the charge storage properties of the device was also investigated for high temperature applications.The specific capacitance of the device significantly increased when the operational temperature of the device was elevated from 10 to 70 1C. Hence, this study provides an ultimate facile method to synthesize morphology controlled cobalt molybdate for applications in the next generation of flexible energy storage devices, which can perform more efficiently at a higher temperature.

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“…Among these metal oxides used as supercapacitor, the research on Fe 2 O 3 is relatively rare, however, Fe 2 O 3 is abundant, low cost, and nontoxic and is therefore deserves being investigated as supercapacitors [25,26]. Recently, lots of work, which focused on ferric nanocomposite, have been reported [27][28][29][30][31][32][33][34][35][36][37][38][39]. Among them, ferric and graphene nanocomposite are newly reported.…”

Section: Introductionmentioning

confidence: 99%

Facilely synthesized Fe2O3–graphene nanocomposite as novel electrode materials for supercapacitors with high performance

Wang

et al. 2013

Journal of Alloys and Compounds

147

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a b s t r a c tFe 2 O 3 -graphene nanocomposite with high capacitive properties had been prepared friendly and facilely by hydrothermal method in one-step. The morphology and structure of the obtained material were examined by X-ray diffraction (XRD), Brunauer-Emmett-Teller (BET) and transmission electron microscope (TEM) techniques. It was revealed by TEM images that Fe 2 O 3 nanoparticles grow well on the surface of graphene and the formation of Fe 2 O 3 nanoparticles hinders the aggregation of graphene (reduced graphene oxide, namely, RGO). Electrochemical properties of the synthesized materials were characterized by serials of electrochemical measurements in 1 M Na 2 SO 4 electrolyte. Fe 2 O 3 -graphene nanocomposite electrode show higher specific capacitance than graphene, indicating an accelerative effect of Fe 2 O 3 and graphene on improving the electrochemical performance of the electrode. The specific capacitance of Fe 2 O 3 -graphene nanocomposite is 226 F/g at a current density of 1 A/g. These attractive results indicate it is possible to seek and develop the promising, environmentally benign and commercial electrodes material based on Fe 2 O 3 and graphene.Crown

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Chemical synthesis of Fe2O3 thin films for supercapacitor application

Cited by 311 publications

References 20 publications

Characterization of MgO:Cd thin films grown by SILAR method

Characterization of MgO:Cd thin films grown by SILAR method

New insight into high-temperature driven morphology reliant CoMoO₄ flexible supercapacitors

Facilely synthesized Fe2O3–graphene nanocomposite as novel electrode materials for supercapacitors with high performance

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Chemical synthesis of Fe2O3 thin films for supercapacitor application

Cited by 311 publications

References 20 publications

Characterization of MgO:Cd thin films grown by SILAR method

Characterization of MgO:Cd thin films grown by SILAR method

New insight into high-temperature driven morphology reliant CoMoO4 flexible supercapacitors

Facilely synthesized Fe2O3–graphene nanocomposite as novel electrode materials for supercapacitors with high performance

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New insight into high-temperature driven morphology reliant CoMoO₄ flexible supercapacitors