Fabrication of the CdS-Cd2Nb2O7 Nanocomposite Heterojunction with Cadmium Vacancy for Efficient Piezocatalytic H2 Evolution DOI

Maoqing Yu,

Xiaojing Zhao,

Xiangge Wang

et al.

ACS Applied Nano Materials, Journal Year: 2024, Volume and Issue: 7(22), P. 26155 - 26163

Published: Nov. 5, 2024

Piezocatalytic hydrogen evolution represents a promising strategy for generating sustainable energy. The construction of heterojunctions can realize the efficient separation and migration charges thus achieve enhanced H2 performance. In this study, we report fabrication CdS-Cd2Nb2O7 (CdS-CNO) heterojunction piezocatalyst with cadmium vacancies aimed at improving Cadmium sulfide (CdS) was combined niobate (Cd2Nb2O7, CNO) to form through photodeposition strategy. By regulating time, CdS-CNO nanocomposites varying CdS contents were successfully obtained. introduced into CNO matrix during process, where ions within lattice reacted sulfur CdS, resulting in creation vacancies. Experimental results demonstrated that CdS-CNO-4 composite, an optimized content, exhibited highest piezoelectric production activity 6.01 mmol·g–1·h–1, which is much higher than those most previously reported piezocatalysts. performance attributed strong internal electric field generated by polarization charge carrier facilitated This study aims provide developing highly

Language: Английский

Bimetal doping enhanced polarization electric field in BiFeO3 for piezocatalytic U(Ⅵ) reduction and hydrogen production DOI

Rongshuo Guo,

Linghua Jin, Xinyi Zhang

et al.

Applied Catalysis B Environment and Energy, Journal Year: 2025, Volume and Issue: unknown, P. 125113 - 125113

Published: Jan. 1, 2025

Language: Английский

Citations

3
Oxygen vacancy-enhanced piezo-photocatalytic for tetracycline hydrochloride degradation in wastewater and H2 evolution DOI
Erling Zhao,

Shuzhang Yang,

Ziyu Zhou

et al.

Journal of Colloid and Interface Science, Journal Year: 2025, Volume and Issue: 686, P. 359 - 366

Published: Jan. 29, 2025

Language: Английский

Citations

2
Internal Electric Field‐Induced High‐Efficiency Piezo‐Photocatalytic Performance in Bimetal‐Regulated Layered Perovskite SrBi2Nb2O9 DOI

Rongshuo Guo,

Xinyi Zhang,

Yinxiang Chen

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: June 20, 2024

Abstract The piezoelectric effect is employed to enhance the photocatalytic process by enabling efficient utilization of photogenerated electrons and holes. In this study, a defect‐engineered Na–Sm bimetal‐regulated layered ferroelectric material, SrBi 2 Nb O 9 , synthesized using molten salt process, exhibits excellent piezo‐photocatalytic performance in synergistic removal uranium [U(VI)] tetracycline (TC) from wastewater. incorporation Sm dopant creates an intermediate band structure, while Na doping introduces empty orbitals into conduction band, thereby enhancing electrical conductivity, improving electron mobility, supplying sufficient promote catalytic reactions. Moreover, induces additional internal electric field, which combines embedded field along b ‐axis with polarization ‐axis. This combined enhances anisotropic migration holes, facilitating their spatial separation. doped can simultaneously remove 98% U(VI) degrade 99% TC. Furthermore, enhancement observed between reduction TC oxidation reactions, rate constant being 1.2 times higher than that individual system. work presents innovative strategy for designing catalysts able pollutants optimize redox

Language: Английский

Citations

12
Synergistic Oxidation and Reduction of Complex Pollutants in Wastewater using a Self-cycling Piezo-photocatalytic Fenton System DOI

Rongshuo Guo,

Xinyi Zhang, Artem V. Kuklin

et al.

Journal of Hazardous Materials, Journal Year: 2025, Volume and Issue: 490, P. 137774 - 137774

Published: March 1, 2025

Language: Английский

Citations

1
Piezoelectric effect coupled advanced oxidation processes for environmental catalysis application DOI
Bofan Zhang,

Mengyi Zhao,

Kai Cheng

et al.

Coordination Chemistry Reviews, Journal Year: 2024, Volume and Issue: 523, P. 216234 - 216234

Published: Oct. 11, 2024

Language: Английский

Citations

6
Piezo‐Photocatalytic Approach for Pollutant Removal Using PZT‐MgAl LDH‐GO Hierarchical Nanocomposites DOI

Nguyen Le Minh Khoa,

Yasser Vasseghian, Sang‐Woo Joo

et al.

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

Published: April 13, 2025

Abstract Effective and recyclable water treatment technologies are crucial for practical heavy metal removal. Photocatalysis an improved oxidation process is widely used in energy production environmental remediation. However, the reaction efficiency of photocatalysis restricted by rapid recombination photogenerated electron–hole pairs, although it promising under solar light illumination conditions, remains challenging because seasonal variations, weather diurnal cycles. Alternatively, piezo catalysis, transferring mechanical to chemical energy, vital cleansing regeneration. Therefore, lead zirconate titanate (PZT) with a MgAl layered double hydroxide graphene oxide (GO) prepared herein efficient piezo‐photocatalytic. The proposed material PZT‐MgAl‐GO combination UV sonication remove hazardous metallic Cr(VI) species. reduction efficiencies increase order PZT<MgAl‐GO<PZT‐MgAl‐GO. amount decreases ≈99% through involving both exposure. main active species photocatalytic assumed be e − •O 2 radicals. With these advantages high decomposition ratio, simple preparation method, its use considered potential removing metals from wastewater.

Language: Английский

Citations

0
Cu‐Intercalated MoS2 Nanosheets with Enhanced Antibacterial Activity for Treatment of Bacterial Keratitis DOI Open Access
Huihui Chen,

Xiao Hu,

Bingying Hou

et al.

Small, Journal Year: 2025, Volume and Issue: unknown

Published: March 26, 2025

Bacterial keratitis (BK) is a critical and sight-threatening corneal infection that significantly impairs the quality of life. Due to widespread antibiotic-resistant microbes slow development in antibiotics, there an increasingly growing demand create new antimicrobial agents for treatment BK. Herein, copper-intercalated molybdenum disulfide (Cu-MoS2) nanosheets are constructed by intercalating Cu into interlayer structure MoS2 via intercalation chemistry, which not only introduces Fenton reaction but also modulates electronic MoS2. Cu-MoS2 can convert H2O2 more toxic reactive oxygen species (ROS), thereby exhibiting excellent bactericidal performance against Staphylococcus aureus (S. aureus), methicillin-resistant (MRSA) Escherichia coli (E. coli) at room temperature dark. Animal experiments indicated effectively treat BK caused MRSA. This work demonstrates chemistry as novel effective strategy tune antibacterial agent with no reliance on light has great potential therapeutic effects clinical drug-resistant

Language: Английский

Citations

0
Three Birds with One Stone: A Piezo-Photocatalytic System for Synergistic Environmental Remediation through Simultaneous Ionic Liquids Degradation, H2 Production, and Uranium Reduction DOI
Xinyi Zhang,

Yinxiang Chen,

Rongshuo Guo

et al.

Applied Catalysis B Environment and Energy, Journal Year: 2025, Volume and Issue: unknown, P. 125314 - 125314

Published: March 1, 2025

Language: Английский

Citations

0
Highly Efficient and Stable Bifunctional Co3Ni6S8 for Electrocatalytic Oxidation of Benzyl Alcohol and Facilitation of Hydrogen Production DOI
Yingchen Yang, Hong Liu,

Ye Bai

et al.

Small, Journal Year: 2025, Volume and Issue: unknown

Published: April 26, 2025

Abstract The electrocatalytic oxidation of benzyl alcohol (BAOR) is crucial for promoting green industrial processes and enhancing the yield productivity high‐value chemicals. However, there are challenges in this field, such as difficult steps alkaline electrolytes, slow reaction kinetics, difficulty preserving activity catalysts during long‐term catalytic reactions. Addressing these issues achieving synergistic reactions to improve energy utilization by combining hydrogen evolution with enhanced catalyst stability warrants focused investigation. Herein, study reports a Co 3 Ni 6 S 8 ‐based catalyst, 0.33 0.67 1 ‐10c, which can achieve (BA) solution over 350 h, conversion rate BA exceeding 90% Faraday efficiency benzoic acid (BAA) 99%. production capacity ‐10c also evaluated both three‐electrode dual‐electrode systems. In system, factor 9.59 compared absence BA, while increased 7.85. This work presents highly efficient durable its integration production.

Language: Английский

Citations

0
Emerging Catalytic Strategies Driven by External Field for Heavy Metal Remediation DOI Open Access
Xinyue Zhang, Shanliang Chen, Attiq Ur Rehman

et al.

Catalysts, Journal Year: 2024, Volume and Issue: 14(9), P. 602 - 602

Published: Sept. 7, 2024

Heavy metal pollution presents significant environmental and public health risks due to its widespread occurrence resistance degradation. There is a pressing need for innovative solutions address the challenge of heavy ion removal from water resources. In this review, we highlight recent advancements in emerging catalytic strategies efficient remediation, leveraging various external fields such as electric, mechanical, magnetic, thermoelectric fields, well their synergetic coupling with photocatalysis technology. These novel approaches offer promising avenues enhancing efficacy sustainability. particular, review focuses on breakthroughs new materials systems capable functioning under diverse heralding future remediation. Finally, discuss current challenges perspectives research area.

Language: Английский

Citations

2