Self‐Sacrificial Template‐Induced Fabrication of Sustainable Diode‐Type Micro‐Junction toward Supercapacitors and Green H2 Evolution DOI Open Access
Upali Aparajita Mohanty, Ritik Mohanty, Kulamani Parida

et al.

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

Published: Feb. 9, 2025

Abstract Energy conversion and storage are the key challenges in green chemistry that have garnered significant attention recent decades. Heterostructure materials, with their unique interfaces, robust architectures, synergistic effects, show great promise enhancing energy capabilities. However, intricate relationship between structural properties performance requires further investigation. This study introduces a novel diode‐type interfacial micro‐junction fabricated from FeCo‐based layered double hydroxide (LDH) using self‐sacrificial template‐induced method. The structure significantly enhances material's electronic properties, enabling efficient charge separation ion transport. As result, material demonstrates remarkable both photocatalytic hydrogen evolution supercapacitor applications. Specifically, optimized exhibits superior specific capacitance (1814.14 F g −1 at 1 A ), high density (61.6 Wh kg excellent cycling stability (90.7% retention after 15 000 cycles) coin cell supercapacitors. Additionally, light‐harvesting capabilities enhanced charge‐carrier dynamics make it promising candidate for H 2 rate of 577.8 µmol h . work not only advances development multifunctional materials clean applications, but also opens new avenues design high‐performance technologies.

Language: Английский

Recent Progress on Semiconductor Heterogeneous Photocatalysts in Clean Energy Production and Environmental Remediation DOI Open Access

Nahal Goodarzi,

Zahra Ashrafi-peyman,

Elahe Khani

et al.

Catalysts, Journal Year: 2023, Volume and Issue: 13(7), P. 1102 - 1102

Published: July 14, 2023

Semiconductor-based photocatalytic reactions are a practical class of advanced oxidation processes (AOPs) to address energy scarcity and environmental pollution. By utilizing solar as clean, abundant, renewable source, this process offers numerous advantages, including high efficiency, eco-friendliness, low cost. In review, we present several methods construct various photocatalyst systems with excellent visible light absorption efficient charge carrier separation ability through the optimization materials design reaction conditions. Then it introduces fundamentals photocatalysis in both clean generation remediation. other parts, introduce approaches enhance activity by applying different strategies, semiconductor structure modification (e.g., morphology regulation, co-catalysts decoration, doping, defect engineering, surface sensitization, heterojunction construction) tuning optimizing conditions (such concentration, initial contaminant pH, temperature, intensity, charge-carrier scavengers). Then, comparative study on performance recently examined photocatalysts applied production remediation will be discussed. To realize these goals, H2 via water splitting, CO2 reduction value-added products, dye, drug photodegradation lessen toxic chemicals, presented. Subsequently, report dual-functional for simultaneous pollutant reactions. brief discussion about industrial economical applications is described. The follows introducing application artificial intelligence machine learning selection an innovative issues. Finally, summary future research directions toward developing significantly improved efficiency stability provided.

Language: Английский

Citations

114
Recent advances in metal titanate-based piezocatalysts: Enhancing catalytic performance through improved piezoelectric properties and regulated carrier transport DOI
Kaiqi Wang, Yiming He

CHINESE JOURNAL OF CATALYSIS (CHINESE VERSION), Journal Year: 2024, Volume and Issue: 61, P. 111 - 134

Published: June 1, 2024

Language: Английский

Citations

29
MXene Schottky Functionalized Z-scheme Ternary Heterostructure for Enhanced Photocatalytic H2O2 Production and H2 Evolution DOI

Bhagyashree Priyadarshini Mishra,

Sarmistha Das, Lijarani Biswal

et al.

The Journal of Physical Chemistry C, Journal Year: 2024, Volume and Issue: 128(5), P. 1921 - 1935

Published: Jan. 25, 2024

The design and development of a multiheterostructure interface signifies promising route to overcome the drawbacks single-component traditional heterostructured photocatalysts. Herein, one-dimensional (1D)/two-dimensional (2D)/2D heterostructure, α-MnO2@B/O-g-C3N4/d-Ti3C2, is constructed by facile two-step synthesis method ensure charge separation utilized for photocatalytic H2O2 production H2 evolution. formation individual materials nanohybrids as well 1D/2D/2D interfacial interaction ascertained X-ray diffraction, Raman, electron microscopy studies, respectively. 5-MX/MBOCN shows optimum (2846.4 μmol h–1 g–1) with 10% ethanol evolution (897.2 h–1), which is, respectively, 2.5 1.6 times higher than that binary MBOCN counterpart. greater cathodic current density from linear sweep voltammetry, hindered recombination electrochemical impedance spectroscopy photoluminescence measurement, better photodurability all systematically demonstrated improved performance. mechanistic investigation in ternary hybrid, electrons flow MnO2 boron-doped g-C3N4 through Z-scheme dynamics then d-MXene surface, acts cocatalyst. transfer corroborated time-resolved photoluminescence, cyclic voltametric analysis, trapping experiment, ESR analysis. This work instigates high-efficiency cocatalyst-integrated photocatalyst strong high redox ability solar chemical energy conversion.

Language: Английский

Citations

18
Enhanced photocatalytic performance of MXene-Modified cation-exchanged CoFe-LDH/CoFeCrO4 heterostructure for Antibiotic degradation and hydrogen production through synergistic charge dynamics DOI

Lekha Paramanik,

Lagnamayee Mohapatra, Dong Yun Choi

et al.

Composites Part B Engineering, Journal Year: 2024, Volume and Issue: 278, P. 111416 - 111416

Published: April 1, 2024

Language: Английский

Citations

17
The latest trends in NiAl-LDH-based heterojunctions and their photocatalytic capacity for hydrogen evolution under solar light irradiation: Photoreaction mechanism justified by DFT calculations DOI
Bassim H. Graimed, Zaid H. Jabbar,

Ahmed A.G. Al-Khayfawee

et al.

International Journal of Hydrogen Energy, Journal Year: 2024, Volume and Issue: 87, P. 939 - 965

Published: Sept. 12, 2024

Language: Английский

Citations

17
A review: Engineered nanomaterials for photoreduction of Cr(VI) to Cr(III) DOI Creative Commons
Ajay Lathe, Anil M. Palve

Journal of Hazardous Materials Advances, Journal Year: 2023, Volume and Issue: 12, P. 100333 - 100333

Published: June 22, 2023

The effluents generated pose a threat to all life forms in nature. Chromium is one of the most toxic effluent due its carcinogenic and cytotoxic In recent decades remediation chromium biggest challenge front human beings. various techniques are briefed. this review, we overview developments on usefulness nanocomposite carbon-based, metal-doped, non-metal doped, transition metal chalcogenides, metal-organic framework, layered double hydroxides (LDHs) MXenes for photoreduction Cr(VI) Cr(III) mechanism also discussed. Finally, propose challenges, possible directions, advantages, restrictions use photocatalysts photoreduction.

Language: Английский

Citations

24
Amorphous/crystalline heterophase W-Zn(Ti)O for the removal of Cr(VI) and tetracycline in single and mixed pollutant systems DOI
Jie Xiong, Hong‐Yan Zeng,

Chen‐Fei Liu

et al.

Chemical Engineering Journal, Journal Year: 2023, Volume and Issue: 473, P. 145231 - 145231

Published: Aug. 4, 2023

Language: Английский

Citations

24
Facilitated Visible-Light-Driven Peroxymonosulfate Activation by a Co–Fe Layered Double Hydroxide Derived p–n Heterostructure for Sulfadiazine Degradation: Affecting Parameters, Kinetics, and Mechanistic Insights DOI
Upali Aparajita Mohanty,

Dipti Prava Sahoo,

Kundan Kumar Das

et al.

Inorganic Chemistry, Journal Year: 2024, Volume and Issue: 63(4), P. 1919 - 1937

Published: Jan. 11, 2024

The utilization of multivalence ionic metal species generated through a peroxymonosulfate (PMS)-assisted photocatalytic system is promising platform for the selective degradation water contaminants. However, achieving an effective electron transport and enhanced separation efficiency these daunting challenge. Thus, our current study addresses this challenge by using Co–Fe-based layered-double-hydroxide template to synthesize Co3O4/FeCo2O4 p–n heterojunction composite via simple monosynthetic route. resultant thoroughly validated advanced characterization techniques that efficiently activate PMS sulfadiazine (SDZ) under visible light, remarkable up 90%. This accomplishment attributed factors including intimate interfacial contact, excellent light harvesting, mesoporosity, oxygen vacancies within composite. formation distinct following S-scheme charge dynamic significantly enhances photogenerated carrier reduces recombination. research delves into comprehensive investigations studies, active trapping experiments, parameter exploration, in-depth liquid chromatography–mass spectrometry analysis byproducts pathway. Induced vacancies, strategically placed surface sites, mesoporosity in synergistically boosted sluggish activation, leading SDZ degradation. introduces new perspective demonstrating potential single-material, mixed-metal oxide-based charge-transfer route findings contribute toward emphasizing importance tailored materials tackling persistent

Language: Английский

Citations

14
Cobalt aluminum layered double hydroxide as a superior electrochemical probe for the sensitive detection of anti-inflammatory agent mesalazine DOI

Chandini Ragumoorthy,

Nandini Nataraj, Shen‐Ming Chen

et al.

Journal of Alloys and Compounds, Journal Year: 2024, Volume and Issue: 989, P. 174352 - 174352

Published: April 2, 2024

Language: Английский

Citations

9
Photodegradation of Emerging Pollutants Using a Quaternary Mixed Oxide Catalyst Derived from Its Corresponding Hydrotalcite DOI Open Access
Laura V. Castro, Brenda Alcántar-Vázquez, Ma. Elena Manríquez-Ramírez

et al.

Catalysts, Journal Year: 2025, Volume and Issue: 15(2), P. 173 - 173

Published: Feb. 13, 2025

This study aimed to synthesize a multicationic hydrotalcite and transform it into mixed oxide nanostructures (ZnO/TiO2/CeO2/Al2O3, referred as MixO) serve heterogeneous photocatalyst for degrading various pollutants, including methylene blue (MB), methyl orange (MO), paracetamol (PA), paraquat (PQ). The was synthesized via an ultrasound-assisted method calcined at 700 °C obtain the corresponding metal oxide. A comprehensive characterization of both (MC-LDH) oxides (MixO) performed using X-ray diffraction (XRD), scanning electron microscopy (SEM), energy-dispersive spectroscopy (EDS), photoelectron (XPS), N2 adsorption–desorption, Fourier infrared (FTIR), Raman spectroscopy, pHPZC analysis. MixO sample exhibited optical bandgap 3.19 eV. Photocatalytic performance evaluated during 240 min UV irradiation, demonstrating high degradation efficiencies attributable synergistic interactions among ZnO, TiO2, CeO2. Degradation reached 99.3% MO 95.2% MB, while PA PQ showed moderate rates 60% 15%, respectively. kinetics all pollutant compounds followed Langmuir–Hinshelwood model. Additionally, catalyst maintained consistent over four consecutive cycles, highlighting its reusability stability. These findings underscore potential practical recyclable photocatalysts environmental remediation, particularly in wastewater treatment applications.

Language: Английский

Citations

1