Photoelectrochemical performance of nanoscale Cu2O by integrating ZnO thin films mimicking a 3D–2D heterojunction: experiments & first-principles analysis DOI
Ajay Singh, Chinmay Rakesh Shukla, Shubham Kumar

et al.

New Journal of Chemistry, Journal Year: 2024, Volume and Issue: 48(41), P. 17802 - 17811

Published: Jan. 1, 2024

We demonstrate a 3D–2D Cu 2 O/ZnO heterojunction for efficient PEC water splitting with photocurrent of 1.25 mA cm −2 and ABPE 0.98% at 270 mV overpotential. DFT analysis reveals the mechanism behind optimized heterojunction.

Language: Английский

α‐Fe2O3 Nanocubes as High‐Performance Anode for Supercapacitor DOI Open Access

Umisha Singh,

Manoj Kumar Patra, Amit K. Chakraborty

et al.

Advanced Sustainable Systems, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 5, 2025

Abstract The ability to store charge through both Faradaic and non‐Faradaic mechanisms in transition metal oxide‐based nanomaterials have made them a popular choice for use as electrode materials energy storage devices. Of these nanostructured iron oxides, especially Fe 2 O 3, forms one of the most preferred choices material supercapacitor anode due low cost, non‐toxicity, high abundance availability variable oxidation states. In this study, synthesis 3 nanocubes is presented via hydrothermal method using mixed solvent system. annealed α‐Fe show superior specific capacitance 908 F g −1 compared 796 prepared samples at current density 2A , capacity can be ascribed exposure active sites storage, transfer resistance (Rct) reversible electrochemical reactions involving 2+ /Fe 3+ ions. Further, assembled two‐electrode asymmetric device //NiO shows 25.31Wh Kg power 759.3 W with retention 70% after 1000 cycles. These findings underscore viability promising development next‐generation supercapacitors, profound implications advancement sustainable solutions.

Language: Английский

Citations

1
Hybridization of CuFe2O4 by carbon microspheres with improved charge storage characteristics for high energy density solid-state hybrid supercapacitor DOI

J.J. Rushmittha,

S. Radhika,

Khalid A. Alrashidi

et al.

Materials Today Sustainability, Journal Year: 2024, Volume and Issue: 28, P. 100950 - 100950

Published: Aug. 3, 2024

Language: Английский

Citations

8
Interface‐Engineered MoSe2‐Co9S8 Nanoheterostructures with Enhanced Charge Storage Performance for Supercapacitor Application DOI Open Access
Sahil Singh, Javed Muhommad, Md. Samim Hassan

et al.

Small, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 2, 2024

Cobalt-based chalcogenides have emerged as fascinating materials for supercapacitor applications owing to the presence of various mixed valance oxidation states in their structure along with rich electrochemical properties. However, limited stability and cyclic performance hinder viability practical use supercapacitors. Herein, a facile hot injection colloidal route is demonstrated design MoSe

Language: Английский

Citations

3
A changeable critical state for a switchable photocurrent direction via the photo-electrochemical photocurrent polarity switching effect in BiFeO3 nanoparticulate films DOI Creative Commons
Ajay Singh, Jyoti Saroha, Pravin P. Ingole

et al.

Chemical Science, Journal Year: 2024, Volume and Issue: unknown

Published: Jan. 1, 2024

The photoelectrochemical photocurrent switching (PEPS) effect to change the direction from cathodic anodic

Language: Английский

Citations

1
Construction of flexible MnCo2O4@FeCoNi-LDH electrode materials with nanoflower-like and hierarchical structure for high-performance asymmetric supercapacitor DOI
Yawen Liu, Chunxiao Wang, Huiru Sun

et al.

Journal of Colloid and Interface Science, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 1, 2024

Language: Английский

Citations

0
Photoelectrochemical performance of nanoscale Cu2O by integrating ZnO thin films mimicking a 3D–2D heterojunction: experiments & first-principles analysis DOI
Ajay Singh, Chinmay Rakesh Shukla, Shubham Kumar

et al.

New Journal of Chemistry, Journal Year: 2024, Volume and Issue: 48(41), P. 17802 - 17811

Published: Jan. 1, 2024

We demonstrate a 3D–2D Cu 2 O/ZnO heterojunction for efficient PEC water splitting with photocurrent of 1.25 mA cm −2 and ABPE 0.98% at 270 mV overpotential. DFT analysis reveals the mechanism behind optimized heterojunction.

Language: Английский

Citations

0