Effect of growth duration of Zn0.76Co0.24S interconnected nanosheets for high-performance flexible energy storage electrode materials

Abbas, Nadir; Shaheen, Irum; Ali, Ijaz; Ahmad, Muhammad; Khan, Shahid Ali; Qureshi, Anjum; Niazi, Javed H.; Imran, Muhammad; Lamiel, Charmaine; Ansari, Mohd Zahid; Hussain, Iftikhar

doi:10.1016/j.ceramint.2022.07.225

Cited by 26 publications

(8 citation statements)

References 72 publications

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“…Although extensive research has been carried out on the synthesis of binary mixed metal oxide composites following different physical or chemical synthesis routes, to the best of our knowledge, there is less literature on the synthesis of NZMO following bio-inspired cleaner or greener synthesis routes specifically for electrochemical studies. The bio-inspired synthesis route using the leaf extract of Olea ferruginea (OFR)was reported first by modifying the sol-gel 46,47 synthesis method. In this work, this plant extract was used as a fuel to cap or stabilize the particles without utilizing any toxic chemicals or hazardous reagents.…”

Section: Introductionmentioning

confidence: 99%

Bio‐inspired NiO/ZrO₂ mixed oxides (NZMO) for oxygen evolution reactions: from facile synthesis to electrochemical analysis

Zahra

Ahmad

Zequine

et al. 2022

J of Chemical Tech & Biotech

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Background: Earth's abundant natural materials can be exploited for their potential in producing economically viable and sustainable electrocatalysts for clean energy generation. Herein, we employed a low cost and environmentally benign synthesis approach using plant extract as capping agent to synthesize bimetallic NiO/ZrO 2 (nickel/Zirconiu mixed oxides; NZMO), and then studied their electrocatalytic properties.Results: The synthesized material was characterized for its elemental, compositional and morphological feature elucidation. The phytocapping agents were probed by Fourier transform infrared spectroscopy (FTIR) and gas chromatography-mass spectroscopy (GC-MS) which confirmed the active contribution of phytocompounds in synthesis as capping and stabilizing agents. Elemental and X-ray photoelectron spectroscopic (XPS) analysis manifested the presence of Ni, Zr and O content with morphological elucidations representing well-defined structures. The synthesized material was systematically investigated for electrocatalytic performance towards an oxygen evolution reaction (OER). Electrochemical testing showed that the NZMO exhibits remarkable enhanced catalytic activity with 0.39 V overpotential value and 72 mV dec −1 Tafel value at an existing density of 10 mA cm −2 , which is comparable to that of precious metal catalysts. Conclusion: Experimental investigation demonstrates that the remarkable OER performance of NZMO could be attributed to intrinsic catalytic properties originating as a result of binary materials. Moreover, the organic compounds involved in the synthesis mechanism also could be the major contributors in terms of provision of active sites due to protons. Thus, the present work presents a promising electrocatalytic material using mixed metal oxides and paves a novel path toward the green synthesis of binary oxides with improved electrocatalytic performance.

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Section: Introductionmentioning

confidence: 99%

Bio‐inspired NiO/ZrO₂ mixed oxides (NZMO) for oxygen evolution reactions: from facile synthesis to electrochemical analysis

Zahra

Ahmad

Zequine

et al. 2022

J of Chemical Tech & Biotech

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“…However, the sharpness of the peaks and overall CV curvature orientation is also indicating toward the pure battery-like electrochemical functionality of the designed electrode. [44][45][46] Figure 5d shows the electrochemical response of the LRE 3þdoped Ta 2 O 5 decorated NF electrode after storing at room conditions for 20 days. CV cycles were recorded to see the stability aspect of the fabricated electrode.…”

Section: Supercapacitance Studiesmentioning

confidence: 99%

Expounded Photoelectric and Electrochemical Profiling of LRE³⁺:β‐Ta₂O₅ (Ln³⁺ = Ce³⁺, Pr³⁺, Nd³⁺) for High Performance in Energy Systems

et al. 2023

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Light rare earth (LRE3+) ions‐doped Ta2O5 semiconductor material is synthesized via coprecipitation method with the bandgap energy of 3.94–4.05 eV and an orthorhombic geometry with 74.49 nm size. The rare earth‐modified Ta2O5 improves the photovoltaic functionality of the fully ambient perovskite solar cell by efficient extraction of electrons and blocking of the holes. The device achieved an efficiency of 13.36% with 63% of fill factor and negligible hysteresis index. LRE3+ triply doped Ta2O5 is used for the fabrication of an electrode by decorating on the nickel foam. This electrode outperforms the conventionally used materials by achieving a specific capacitance of 517.5 F g−1 marked by fast reaction kinetics and diffusion with an equivalent series resistance of 0.18 Ω. LRE3+‐doped Ta2O5 is proved to be an excellent electrode material with the characteristic electric double‐layer capacitance behavior in conjugation with the Faradic pseudocapacitive behavior. Finally, the electrocatalysis using this material indicates its excellence as a H2 generating catalyst in comparison to O2 generation with the smallest overpotential and Tafel slope values of 143 mV and 125.3 mV dec−1, respectively. The designed electrode expressed an exceptional stability over ambient conditions as well as inside an electrolyte.

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“…[25] In recent attempts to develop new optoelectronic and spintronic devices, rare earth conjugated wide-band-gap semiconductors. [26][27][28] 4f rare earth metals may exhibit stronger magnetism and anisotropy than transition metals with open d shells, despite receiving significantly less attention. A promising group II-VI semiconductor that exhibits quantum confinement in nanoform at normal temperature is zinc sulfide.…”

Section: Introductionmentioning

confidence: 99%

In:SnO₂/Yb₂S₃:Cu₂S:ZnS: A Rare Earth Metal Sulfide‐Conjugated Transition Metal Sulfide Photoactive Electrode

et al. 2023

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Spin coating from a single source precursor is used to produce a transparent conductive electrode for a photoelectrochemical cell. Yb 2 S 3 :Cu 2 S:ZnS is discovered in the composite using X-ray diffraction analysis with a crystallite size of 44 nm. Energy-dispersive X-ray analysis and X-ray photoelectron spectroscopy reveal that the composite comprises Yb, Cu, Zn, and S with an optical bandgap of 2.49 eV. Electrical investigations in a photoelectrochemical cell are measured using cyclic voltammetry, linear sweep voltammetry, transient chronoamperometry (CA), and electrical impedance spectroscopy (EIS). Every experiment shows that the photocurrent density of the electrode is higher than when it is in the light. At all scan rates, light causes the photoelectrode's specific capacitance to increase. Specific capacitance is found to have a maximum value under illumination of 789 Fg À1 as opposed to 745 Fg À1 in the absence of a light source. The highest photocurrent density achieved by the electrode through CA is 23.5 mA. R s value of 23.4 Ω is subsequently obtained by the EIS investigation. It might be stated that this work introduces a useful photoelectrode that can be used in renewable energy systems such as photovoltaics, supercapacitors, and photoelectrochemical solar cells.

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Effect of growth duration of Zn0.76Co0.24S interconnected nanosheets for high-performance flexible energy storage electrode materials

Cited by 26 publications

References 72 publications

Bio‐inspired NiO/ZrO₂ mixed oxides (NZMO) for oxygen evolution reactions: from facile synthesis to electrochemical analysis

Bio‐inspired NiO/ZrO₂ mixed oxides (NZMO) for oxygen evolution reactions: from facile synthesis to electrochemical analysis

Expounded Photoelectric and Electrochemical Profiling of LRE³⁺:β‐Ta₂O₅ (Ln³⁺ = Ce³⁺, Pr³⁺, Nd³⁺) for High Performance in Energy Systems

In:SnO₂/Yb₂S₃:Cu₂S:ZnS: A Rare Earth Metal Sulfide‐Conjugated Transition Metal Sulfide Photoactive Electrode

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Effect of growth duration of Zn0.76Co0.24S interconnected nanosheets for high-performance flexible energy storage electrode materials

Cited by 26 publications

References 72 publications

Bio‐inspired NiO/ZrO2 mixed oxides (NZMO) for oxygen evolution reactions: from facile synthesis to electrochemical analysis

Bio‐inspired NiO/ZrO2 mixed oxides (NZMO) for oxygen evolution reactions: from facile synthesis to electrochemical analysis

Expounded Photoelectric and Electrochemical Profiling of LRE3+:β‐Ta2O5 (Ln3+ = Ce3+, Pr3+, Nd3+) for High Performance in Energy Systems

In:SnO2/Yb2S3:Cu2S:ZnS: A Rare Earth Metal Sulfide‐Conjugated Transition Metal Sulfide Photoactive Electrode

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Bio‐inspired NiO/ZrO₂ mixed oxides (NZMO) for oxygen evolution reactions: from facile synthesis to electrochemical analysis

Bio‐inspired NiO/ZrO₂ mixed oxides (NZMO) for oxygen evolution reactions: from facile synthesis to electrochemical analysis

Expounded Photoelectric and Electrochemical Profiling of LRE³⁺:β‐Ta₂O₅ (Ln³⁺ = Ce³⁺, Pr³⁺, Nd³⁺) for High Performance in Energy Systems

In:SnO₂/Yb₂S₃:Cu₂S:ZnS: A Rare Earth Metal Sulfide‐Conjugated Transition Metal Sulfide Photoactive Electrode