One-step in-situ construction engineering of ZnO-Zn2SnO4 heterojunction for deeply photocatalytic oxidation of nitric oxide

Meng, Zeyong; Ma, Yifan; Chen, Bangfu; Li, Yuhan; Ma, Hao; Zhu, Bicheng; Dong, Fan

doi:10.1016/j.jcis.2024.02.203

Journal of Colloid and Interface Science

2024

DOI: 10.1016/j.jcis.2024.02.203

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One-step in-situ construction engineering of ZnO-Zn2SnO4 heterojunction for deeply photocatalytic oxidation of nitric oxide

Zeyong Meng,

Yifan Ma,

Bangfu Chen

et al.

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Cited by 8 publications

References 51 publications

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Strong d‐p Orbital Hybridization of Os‐P via Ultrafast Microwave Plasma Assistance for Anion Exchange Membrane Electrolysis

Li,

Fu,

et al. 2024

Adv Funct Materials

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Orbital hybridization is a promising approach to modulating the electronic structure of the designed electrocatalysts to boost reaction kinetics. In contrast to d‐d hybridization, p‐d orbital hybridization between p‐block elements and d‐block metals can provide new opportunities to modulate the electronic properties and thus promote the catalytic performance. Herein, a phosphorus‐doped osmium (P‐Os) catalyst is designed through ultrafast (20 s) microwave plasma engineering. Theoretical calculations verify the d‐p orbital hybridization between P and Os, leading to the modulation of the d‐band center of the Os active site. Specifically, P neighboring Os exhibit the highest catalytic activity, facilitating crucial processes such as H2O/H* adsorption and dissociation. The overpotential of P‐Os in alkaline seawater is only 152 mV at 1 A cm−2, which is superior to the reported seawater electrocatalysts. Moreover, the synthesized P‐Os catalysts are integrated into an anion exchange membrane (AEM) electrolyzer, demonstrating remarkable performance. The AEM electrolyzer requires 1.86/2.02 V to achieve 500/1000 mA cm−2 current densities. Then, the achieved P‐Os have great potential for practical electrocatalytic water‐splitting applications.

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Strong d‐p Orbital Hybridization of Os‐P via Ultrafast Microwave Plasma Assistance for Anion Exchange Membrane Electrolysis

Li,

Fu,

et al. 2024

Adv Funct Materials

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Photocatalytic Hydrogenation of Alkenes Using Water as Both the Reductant and the Proton Source

Tian,

Qiu,

et al. 2024

Advanced Science

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Utilization of clean and low‐cost water as the reductant to enable hydrogenation of alkenes is highly attractive in green chemistry. However, this research subject is considerably challenging due to the sluggish kinetics of the water oxidation half‐reaction. It is also very difficult to avoid the undesired oxidation of alkenes because that this oxidation is far easier to occur than the desired oxidation of water from thermodynamic standpoint. Herein, this challenge is overcome by applying a cooperative catalysis where HCl is used as the cocatalyst to accelerate Pt/g‐C3N4‐catalyzed water oxidation and suppress the undesired oxidation of the alkene. This provides an example for using water as the reductant and the proton source to enable the photocatalytic hydrogenation of alkenes. The present method exhibits broad substrate applicability, and allows various arylethenes and aliphatic alkenes to undergo the hydrogenation smoothly.

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Antibacterial Properties and Application of Bi₂Sn₂O₇/ZnO Composite Photocatalytic Materials

Ji,

Li,

Xian

et al. 2024

Chemistry & Biodiversity

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In this experiment, Bi2Sn2O7/ZnO composite photocatalytic materials were synthesized by a hydrothermal method and characterized by XRD, SEM, and EDS, etc. The prepared Bi2Sn2O7/ZnO has a nanorod structure and high phase purity. The photocatalytic antimicrobial performance of Bi2Sn2O7/ZnO against bacteria and fungi under visible light was significantly better than that of single Bi2Sn2O7 and ZnO. In particular, 1000 mg/L 1:3 Bi2Sn2O7/ZnO showed an antimicrobial rate of more than 97% against Escherichia coli, Staphylococcus aureus, and Candida albicans, which are widely present in the nature. The free radical trapping experiments were selected and the antimicrobial mechanism was investigated, and the results showed that the antimicrobial process of the Bi2Sn2O7/ZnO system was regulated by the free radicals such as ·OH, h+, and e‐, which were generated by its unique photocatalytic activity. Finally, MTT cytotoxicity experiments demonstrated that the Bi₂Sn₂O₇/ZnO composite was not toxic to cells. In addition, the antimicrobial performance of Bi2Sn2O7/ZnO on real livestock wastewater and the real‐life application of the prepared Bi2Sn2O7/ZnO PCL composite antibiotic film for antimicrobial treatment of freshly cut fruits' surfaces under visible light were experimentally investigated. This study provides a new idea for Bi2Sn2O7/ZnO as a photocatalytic antimicrobial agent.

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One-step in-situ construction engineering of ZnO-Zn2SnO4 heterojunction for deeply photocatalytic oxidation of nitric oxide

Cited by 8 publications

References 51 publications

Strong d‐p Orbital Hybridization of Os‐P via Ultrafast Microwave Plasma Assistance for Anion Exchange Membrane Electrolysis

Strong d‐p Orbital Hybridization of Os‐P via Ultrafast Microwave Plasma Assistance for Anion Exchange Membrane Electrolysis

Photocatalytic Hydrogenation of Alkenes Using Water as Both the Reductant and the Proton Source

Antibacterial Properties and Application of Bi₂Sn₂O₇/ZnO Composite Photocatalytic Materials

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One-step in-situ construction engineering of ZnO-Zn2SnO4 heterojunction for deeply photocatalytic oxidation of nitric oxide

Cited by 8 publications

References 51 publications

Strong d‐p Orbital Hybridization of Os‐P via Ultrafast Microwave Plasma Assistance for Anion Exchange Membrane Electrolysis

Strong d‐p Orbital Hybridization of Os‐P via Ultrafast Microwave Plasma Assistance for Anion Exchange Membrane Electrolysis

Photocatalytic Hydrogenation of Alkenes Using Water as Both the Reductant and the Proton Source

Antibacterial Properties and Application of Bi2Sn2O7/ZnO Composite Photocatalytic Materials

Contact Info

Product

Resources

About

Antibacterial Properties and Application of Bi₂Sn₂O₇/ZnO Composite Photocatalytic Materials