Springer Proceedings in Materials, Journal Year: 2024, Volume and Issue: unknown, P. 637 - 649
Published: Jan. 1, 2024
Language: Английский
ACS Applied Electronic Materials, Journal Year: 2024, Volume and Issue: 6(5), P. 3311 - 3324
Published: April 22, 2024
2D materials showcase numerous distinct optical and electronic characteristics that are incredibly essential for implementation in optoelectronic devices. In the past few years, photodetectors have been a significant focus because of their diverse applications. The challenge lies developing environmentally friendly to fabricate cost-effective, high-performance Bismuth oxychalcogenide nanosheets (Bi2O2X, X = S, Se, Te) form, due impressive theoretical experimental characteristics, become promising alternatives potential applications One its most common oxide phases, i.e., Bi2O5Te, also possesses quite interesting nonlinear optical, photorefractive, many other physical properties, which yet be explored. Here, this study reports based on Bi2O5Te nanomaterials prepared using "microwave-assisted method," an exciting choice synthesizing such bulk. basic characterizations confirmed sample's phase presence constituent elements, whereas microscopic studies demonstrated layered nature. Verification different bonds between atoms is observed Raman studies. Optical represent band edges samples 400 600 nm, as it useful devices solar cells, LEDs, photodetectors. gaps appeared 2.72 2.95 eV range. Centers broad photoluminescence spectra obtained around 650–700 suggests optoelectronics applicability material. Figures merits sensitivity, responsivity, detectivity values from photodetection measurements. Time-dependent photoresponse show high Ion/Ioff ratio, fabricating highly sensitive
Language: Английский
Citations
10
Nanoscale, Journal Year: 2024, Volume and Issue: 16(22), P. 10551 - 10565
Published: Jan. 1, 2024
This minireview explores the unique properties and potential applications of bismuth oxychalcogenide nanosheets in chemical biological sensing, photodetection.
Language: Английский
Citations
7
Physical Chemistry Chemical Physics, Journal Year: 2024, Volume and Issue: 26(15), P. 12231 - 12245
Published: Jan. 1, 2024
Layered metal oxychalcogenide materials have gained significant attention in recent years due to their numerous applications various emerging fields. The bismuth (Bi) based ternary and quaternary become popular excellent potential optoelectronic, thermoelectric, semiconducting applications. Adding copper (Cu) these building matrices has enhanced usefulness ways. In this work, Bi Cu-based layered oxytellurides are synthesized using a unique, rarely used "microwave (MW) assisted method," temperature laser power-dependent Raman measurements carried out. All the samples prepared at same MW power fixed irradiation time. Crystallographic studies show that good crystallinity of matches well with phases reported previously. Nanosheet-like morphology was observed for all samples. optical properties band gap energies were obtained diffuse reflectance spectroscopy technique, which range 1.15-2.52 eV. photoluminescence spectrum shows broad peaks around orange-red regions, indicating applicability optoelectronic effect high on spectra is demonstrated, where appearance different vibrational modes along redshift peak positions increase observed.
Language: Английский
Citations
5
ACS Applied Energy Materials, Journal Year: 2024, Volume and Issue: 7(13), P. 5490 - 5500
Published: June 13, 2024
A facile ultrasonic-assisted synthesis (UAS) technique was employed to synthesize bare (BWO-Bare) and heat-treated 600 °C Bi2WO6 nanostructures (BWO-600), which serve as an affordable ecofriendly supercapacitor electrode material. Extensive structural, morphological, electrochemical investigations on BWO-600 revealed homogeneous dispersion, exhibiting a remarkable specific capacity of 614 C/g (6 M aqueous KOH electrolyte) in three-electrode configuration 376 when assembled symmetric supercapacitor. exhibited impressive cyclic stability with capacitance retention 84% after 10,000 cycles 6 KOH. According the Dunn Trasatti analytical method, exhibits 82% diffusive contribution 18% capacitive at relatively low scan rate. The demonstrates its effectiveness across diverse applications peak energy density 20.8 Wh/kg power 4.1 kW/kg.
Language: Английский
Citations
4
Inorganic Chemistry Communications, Journal Year: 2025, Volume and Issue: unknown, P. 113980 - 113980
Published: Jan. 1, 2025
Language: Английский
Citations
0
ACS Applied Materials & Interfaces, Journal Year: 2025, Volume and Issue: unknown
Published: Jan. 22, 2025
The discovery of moiré physics in two-dimensional (2D) materials has opened new avenues for exploring unique physical and chemical properties induced by intralayer/interlayer interactions. This study reports the experimental observation patterns 2D bismuth oxyselenide (Bi2O2Se) nanosheets grown through one-pot reaction methods a sonication-assisted layer separations technique. Our findings demonstrate that these result from angular stacking at various twist angles, leading to formation superlattices (MSLs) with distinct periodicities. presence was confirmed using transmission electron microscopy (TEM) images. Bi2O2Se highlights potential tuning band structures non-van der Waals material thus unlocking precise control Furthermore, stacked show interesting memristive switching characteristics, presenting promising candidate artificial synapses neuromorphic computing. Traditional memristors typically utilize vertical metal-insulator-metal (MIM) structure, which relies on conductive filaments resistive (RS). configuration, however, often results abrupt during cycles significant variation device device. Herein, defective BOSe exhibits nonfilamentary RS characteristic two-terminal lateral configuration. design reveals an mechanism driven modulation Schottky barrier height (SBH) due movement Se vacancies (VSe) under external electric field. fabricated excellent behavior, achieving ratio ∼20 high degree consistency across multiple Interestingly, shows stable negative differential resistance effect high-voltage region carrier trapping process. Finally, we studied stability MSL TEM imaging electrical characterization different configurations evaluate repeatability characteristics.
Language: Английский
Citations
0
Journal of environmental chemical engineering, Journal Year: 2025, Volume and Issue: unknown, P. 116212 - 116212
Published: March 1, 2025
Language: Английский
Citations
0
Coordination Chemistry Reviews, Journal Year: 2025, Volume and Issue: 536, P. 216645 - 216645
Published: April 4, 2025
Language: Английский
Citations
0
Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 162688 - 162688
Published: April 1, 2025
Language: Английский
Citations
0
Dalton Transactions, Journal Year: 2024, Volume and Issue: 53(25), P. 10376 - 10402
Published: Jan. 1, 2024
Photoelectrochemical (PEC) technology in marine engineering holds significant importance due to its potential address various challenges the environment. Currently, PEC-type applications offer numerous benefits, including sustainable energy generation, water desalination and treatment, photodetection, communication. Finding novel efficient photoresponse semiconductors is of great significance for development techniques space. Bismuth-based semiconductor materials possess suitable tunable bandgap structures, high carrier mobility, low toxicity, strong oxidation capacity, which gives them engineering. In this paper, structure properties bismuth binary mixed-anion have been reviewed. Meanwhile, recent progress synthetic approaches were discussed from point view application prospects. Finally, issues photodetection hydrogen generation are analyzed. Thus, perspective will not only stimulate further investigation but also help related practitioners understand compounds.
Language: Английский
Citations
3