Article
Chemistry, Physical
Xiaohua Meng, Yuhong Li, Xiaoling Yang, Francis Francisco Prudence
Summary: ZnFe2O4 nano-octahedrons with {111} crystal planes exposed were prepared through a solvothermal process. In gas sensing performance experiments, the product exhibited good sensitivity towards ethanol, acetone, or triethylamine. The sensitivity of the nano-octahedrons was further enhanced by introducing 3-coordinated Zn atoms (Zn-3c) on the exposed (111) crystal plane after removing surface chloride ions and hydroxyl groups through hydrogenation. A gas-sensitive mechanism at the atomic scale was proposed, with Zn-3c atoms acting as sensitive response active sites. The mechanism involves adsorption of O-2 molecules, generation of free electrons, and catalysis of the reaction between O-2 and the measured gas.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Multidisciplinary
Nana Fan, Yingfei Wang, Bin Liu, Heqing Yang, Shengzhong Liu
Summary: This study observes the piezoelectric, rectifying, and photovoltaic effects in (111)-oriented NiO films, which are found to originate from the electric field produced by spontaneous polarization. This finding may have significant implications for the current piezoelectric theory and establish a unified theory of polar structures. Additionally, this study provides possibilities for fabricating high-performance piezoelectric generators and optoelectronic devices.
Article
Engineering, Electrical & Electronic
Xiaohua Meng, Junyi Guo, Le Zhang, Chen Qi, Yali Zhou, Bin Liu, Heqing Yang, Shengzhong Liu
Summary: Fe3O4 nanooctahedrons with exposed {111} crystallographic planes were synthesized using Cl- ions as a control agent. The photocatalytic activity of Fe3O4 nanooctahedron in the degradation of basic fuchsin was higher compared to Fe3O4 commercial powder. The removal of Cl- ions and -OH groups at the (111) surface via hydrogenation significantly improved the photocatalytic activity. The clean {111} crystal planes were found to be the reactive crystal facets for photocatalysis. The separation of photogenerated charges between the polar Fe-Fe3O4 (111) and O-Fe3O4 ((111) over bar) surfaces drove the photogenerated charge separation and contributed to the excellent photocatalytic performance.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2022)
Article
Chemistry, Physical
Mohammed Ismael
Summary: This study synthesized NiO-loaded g-C3N4 photocatalysts using an environmentally friendly ultrasonic-assisted approach. The photocatalysts exhibited a reduced band gap energy, enhanced charge separation and transfer, and high photocatalytic activity under visible light irradiation. The optimized ratio of NiO-loaded g-C3N4 displayed the highest performance for the photodegradation of 4-nitrophenol in water.
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
(2023)
Article
Green & Sustainable Science & Technology
T. T. Wang, S. C. Lim, C. L. Chiang, Y. J. Shen, P. Raghunath, J. R. Li, Y. G. Lin, M. C. Lin
Summary: A composite photoelectrode B-nGO/H:(NiO/TiO2) NTs with a unique heterostructure nanotube arrays was synthesized. The p-n junction created between p-type NiO and n-type TiO2 facilitates the electron-hole pair separation and interfacial electron transfer. The introduction of boron-doped reduced nanographene oxide nanoparticles (B-nGO NPs) and hydrogenation treatment further optimize the electron-hole separation and enhance the electron transfer. The as-synthesized B-nGO/H:(NiO/TiO2) NTs exhibit a high photocurrent density and an effective photoconversion efficiency under simulated sunlight irradiation.
MATERIALS TODAY SUSTAINABILITY
(2023)
Article
Chemistry, Physical
Sina Wrede, Lanlan He, Gerrit Boschloo, Leif Hammarstrom, Lars Kloo, Haining Tian
Summary: To gain a deeper understanding of charge processes in dye-sensitized photocathodes, lateral electron hopping across dye-sensitized NiO photocathodes was investigated. The results show the existence of a second electron hopping pathway between NiO surface states, which dominates recombination kinetics. The study highlights the importance of fast electron transport in sensitized NiO photocathodes.
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2022)
Article
Nanoscience & Nanotechnology
Rui Li, Jingwen Lu, Jiashuan Bao, Furong Xiong, Tongtong Chen, Wang Zhang
Summary: This study successfully constructed a composite photocatalyst with efficient charge-transfer pathways by fabricating silver@silver chloride (Ag@AgCl) network structures. The obtained Ag@AgCl nanowire film demonstrated good photocatalytic bactericidal activity due to the efficient charge-transport channel constructed by the silver nanowire network. Furthermore, the film exhibited recyclability and maintained high bactericidal efficiency after multiple cycles.
Article
Chemistry, Physical
Yulun Han, Kweeni Iduoku, Gena Grant, Bakhtiyor Rasulev, Alexey Leontyev, Erik K. Hobbie, Sergei Tretiak, Svetlana Kilina, Dmitri S. Kilin
Summary: This study investigates the thermal grafting of benzenediazonium bromide onto a hydrogenated Si(111) surface and its impact on photophysics of charge carriers. Results show that coverage of phenyl groups can reduce nonradiative relaxation rates and recombination rates of hot charge carriers, leading to increased photoluminescence efficiency in the near-infrared spectral region.
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
(2021)
Article
Chemistry, Physical
E. Abel Noelson, M. Anandkumar, M. Marikkannan, V Ragavendran, Annett Thorgersen, Suresh Sagadevan, Jamespandi Annaraj, Jeyanthinath Mayandi
Summary: In this study, Ag2O decorated ZnO and NiO-based nanocomposites were successfully synthesized using a simple chemical method. The prepared samples were characterized to confirm their chemical structure, elemental composition, morphology, and optical properties. The results showed that the heterostructures of ZnO/Ag2O had significantly higher photocatalytic activity under visible light irradiation, leading to faster degradation of methylene blue. Additionally, the ZnO/NiO nanocomposite exhibited good antibacterial activity.
CHEMICAL PHYSICS LETTERS
(2022)
Article
Nanoscience & Nanotechnology
Mohd. Shkir, Kamlesh Chandekar, Baskaran Palanivel, Fatemah H. Alkallas, Amira Ben Gouider Trabelsi, Aslam Khan, S. AlFaify, Ahmad Umar, Ahmed A. Ibrahim, S. Baskoutas
Summary: This study discusses the opto-photocatalytic applications of Mn-doped NiO nanoparticles. Different Mn contents are doped into NiO using a simple synthesis method, and their structural properties and microstructural parameters are examined. The crystallite size decreases with increasing doping concentration in the NiO host lattice. The 2.5-wt.% Mn:NPs exhibit the best photocatalytic performance owing to the greatest activation sites. The results demonstrate the high ability of Mn:NiO NPs as photocatalysts for methylene blue dye degradation, with 92% removal.
JOURNAL OF SCIENCE-ADVANCED MATERIALS AND DEVICES
(2023)
Article
Materials Science, Multidisciplinary
Gege He, Yang Wen, Chen Ma, Xiangyang Li, Liqun Wang, Lumei Gao, Zhanbo Sun
Summary: In this study, nanoporous CoFe2O4 loaded with Pt-Ag was successfully prepared by dealloying and calcining methods, achieving efficient hydrogen evolution ability. Under full-spectrum irradiation, the synergistic effect of Pt and Ag nanoparticles helped to enhance the hydrogen evolution rate of CoFe2O4, while also improving the photocatalytic performance.
Article
Environmental Sciences
Lin Yang, Yangyang Yu, Wenjia Yang, Xiaofang Li, Guo Zhang, Yu Shen, Fan Dong, Yanjuan Sun
Summary: In this study, Ag/Ag2O loaded on SrSn(OH)6 nanowires promotes interfacial charge-transfer transition, leading to enhanced NO removal under visible light. Excited electrons in the VB of Ag2O enter the CB under visible light, reacting with Ag to produce superoxide radicals, allowing holes in the VB of SSOH to oxidize hydroxyl groups into hydroxyl radicals.
ENVIRONMENTAL RESEARCH
(2021)
Article
Chemistry, Physical
Jianan Liu, Qi Li, Xudong Xiao, Fuxiang Li, Chen Zhao, Qi Sun, Panzhe Qiao, Jing Zhou, Jie Wu, Baiyan Li, Hongliang Bao, Baojiang Jiang
Summary: This study successfully prepared phosphorus-doped tubular carbon nitride@UiO-66-NH2 (p-TCN@U6-X) composites with excellent photocatalytic performance. The synergistic effect between p-TCN and UiO-66-NH2 contributes to the high efficiency of the composite in photocatalytic reactions, such as H2 production and oxidative coupling of amine compounds.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2021)
Article
Chemistry, Physical
Ivan I. Vrubel, Dmitry Yudin, Anastasiia A. Pervishko
Summary: This paper provides a comprehensive theoretical analysis of the electronic structure of InAs(111) surfaces, including values for bandgap and effective masses consistent with experimental results, as well as discussions on the density of states and atomic surfaces properties. Experimental data and simulations are used to speculate on the formation of electron accumulation layers on InAs(111) surfaces, accompanied by charge density distribution simulations.
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2021)
Article
Chemistry, Multidisciplinary
Yanjun Zhao, Xintong Liu, Shaonan Gu, Jiemin Liu
Summary: This study successfully prepared a series of Pt-Bi4V2O11 photocatalysts by loading noble metals, which could remove typical organic pollutants. The photocatalytic performance of Pt-Bi4V2O11 was found to be significantly enhanced compared with Bi4V2O11, and additional O2- was produced during the photocatalytic process.
Article
Chemistry, Multidisciplinary
Hao Zhang, Wanchun Xiang, Xuejiao Zuo, Xiaojing Gu, Shiang Zhang, Yachao Du, Zhiteng Wang, Yali Liu, Haifeng Wu, Peijun Wang, Qingyue Cui, Hang Su, Qingwen Tian, Shengzhong (Frank) Liu
Summary: To improve the power conversion efficiency and stability of inorganic perovskite solar cells, a trifluoroacetamidine (TFA) passivator was designed to suppress film defects. TFA strongly chelates onto the perovskite surface to suppress iodide vacancy, and intermolecular hydrogen bonds form a robust shield against moisture. TFA-treated solar cells exhibited significantly suppressed recombination and achieved the highest record power conversion efficiencies for all-inorganic solar cells.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Environmental Sciences
Zhihan Cao, Ping Li, Jinchuang Ru, Xuqian Cao, Xu Wang, Bin Liu, Zhi-Hua Li
Summary: This study evaluated the impact of environmental levels of triphenyltin (TPT) on marine Chlorella sp. It found that TPT had both promoting and inhibitory effects on the growth of marine Chlorella sp. depending on the concentration. The chlorophyll composition changed, and oxidative damage and gene expression alterations were observed. These findings contribute to a better understanding of the ecological toxicity of TPT in marine environments.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Engineering, Mechanical
Yang Chen, Shuo Wang, Hui Feng, Weipeng Li, Bin Liu, Jia Li, Yong Liu, Peter K. Liaw, Qihong Fang
Summary: By conducting high-resolution transmission electron microscopy and random field theory informed discrete dislocation dynamics simulations, this study reveals the influence mechanism of heterogeneous lattice strain on the complex interaction between dislocations and dislocation loops in high entropy alloys (HEAs) under irradiation. The results show that lattice-strain-induced irradiation hardening decreases, in line with the excellent irradiation hardening resistance of HEAs observed in recent experiments. A new cross-slip mechanism is also discovered, involving the co-linear reaction between dislocations and rhombus perfect loops. This study provides insights into the mesoscopic-level irradiation damage behavior, guiding the development of advanced HEA materials for nuclear energy applications through the regulation of heterogeneous lattice strain.
INTERNATIONAL JOURNAL OF PLASTICITY
(2023)
Article
Chemistry, Multidisciplinary
Jiahao Xie, Yu Miao, Bin Liu, Siliang Shao, Xu Zhang, Zhiyao Sun, Xiaoqin Xu, Yuan Yao, Chaoyue Hu, Jinlong Zou
Summary: Alloying with transition metals is a feasible way to enhance the electrochemical activity and stability of molybdenum carbide. The composite NG-CoFe/Mo2C was synthesized by combining CoFe-Prussian blue analogues with graphitic carbon nitride and Mo6+. It exhibited excellent ORR and OER performances and provided a strategy to improve the stability of molybdenum carbide in oxygen electrocatalysis.
Review
Chemistry, Multidisciplinary
Ya Wu, Jiangshan Feng, Zhou Yang, Yucheng Liu, Shengzhong (Frank) Liu
Summary: Metal halide perovskite (HP) has emerged as a highly promising semiconductor material for applications in photovoltaic and photoelectric fields as well as X-ray detection. This review provides an overview of the working principles and modes of direct-type and indirect-type X-ray detectors, and discusses the suitability of HP for these two types of detection based on different perovskite structures. The authors also explore various preparation methods for HP and review recent progress in flexible X-ray detection using HP, highlighting their practicality and feasibility. The challenges and future research directions in the field of HP-based X-ray detection are also identified.
Article
Materials Science, Multidisciplinary
Yang Gao, Zihan Yang, Haibo Xiao, Qian Lei, Bin Liu, Yong Liu
Summary: A Cu35Ni25Co25Cr15 high-entropy alloy (HEA) coating was deposited on a pure Cu substrate by plasma transfer arc (PTA) welding to enhance its surface hardness and wear resistance. The coating consisted of Cu-rich A1 phase and NiCoCr-rich γ' phase, with an apparent structural gradient and different microstructures in different zones. The coating exhibited improved interfacial bonding with increased welding current, but the hardness showed a non-monotonic trend. At a welding current of 150 A, the coating showed good metallurgical bonding with the Cu substrate and excellent wear resistance, especially at high temperatures.
Article
Nanoscience & Nanotechnology
Chuanxiao Xiao, Yaxin Zhai, Zhaoning Song, Kang Wang, Changlei Wang, Chun-Sheng Jiang, Matthew C. Beard, Yanfa Yan, Mowafak Al-Jassim
Summary: By using Kelvin probe force microscopy and transient reflection spectroscopy techniques, we spatially resolved the variation in microscopic optoelectronic properties of perovskite hetero-junctions in metal-halide PSCs during operation and studied the light-soaking effect. The evolution of the junction was attributed to ion migration and self-poling induced by built-in voltage. The device performances were correlated with the changes in electrostatic potential distribution and interfacial carrier dynamics. Our results present a new route for studying the complex operation mechanism in PSCs.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Nanoscience & Nanotechnology
Bin Liu, Mengdi Chen, Yali Zhou, Heqing Yang, Shengzhong Liu
Summary: This study demonstrates for the first time the rectification and photovoltaic effects in the polar [0001] direction on the nonpolar ZnO (1010) crystal plane, while no such effects are observed in the nonpolar [1210] direction. The application of stress in the [0001] direction leads to the disappearance of the polar structure, resulting in the disappearance of the two effects. These findings provide direct evidence for the importance of polar structures in generating rectification and photovoltaic effects.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Multidisciplinary
Yi Sun, Kuanxin Zhang, Run Chai, Yueda Wang, Xianhong Rui, Kang Wang, Huaxia Deng, Hongfa Xiang
Summary: A novel strategy is proposed to construct an artificial hybrid solid electrolyte interface (SEI) layer on a prelithiated SiOx anode, using a spontaneous chemical reaction with SbF3. The preformed artificial SEI layer improves initial Coulombic efficiency and enhances capacity retention and rate capability for modified SiOx. Furthermore, a full cell using a pre-treated anode demonstrates high initial Coulombic efficiency and capacity retention after 100 cycles. This study provides valuable insights into obtaining stable interfaces for high-energy lithium-ion batteries.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Hang Su, Jing Zhang, Yingjie Hu, Yuying Yao, Xinxin Zheng, Yutong She, Binxia Jia, Lili Gao, Shengzhong (Frank) Liu
Summary: Based on theoretical calculations, it is found that enhancing the electrostatic potential of passivators can improve the passivation effect and adsorption energy between charged defects and passivators. Therefore, an electrostatic potential modulation (EPM) strategy is developed to design passivators for highly efficient and stable perovskite solar cells (PSCs). Through experiments, two designed passivators show good passivation effects, and the EPM strategy provides a principle for passivator design and allows passivation to be controllable, which may advance the optimization and commercialization of perovskite solar cells.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Physical
Jing Yang, Juan Wang, Wenjing Zhao, Guohong Wang, Kai Wang, Xinhe Wu, Jinmao Li
Summary: Improving sunlight absorption and charge separation efficiency is crucial for TiO2 photocatalysts to achieve efficient CO2 photoreduction. In this study, a novel 0D/1D Cu2-xS/ TiO2 S-scheme photocatalyst was developed using a facile solvothermal approach. The optimized Cu2-xS/TiO2 photocatalyst exhibited significantly enhanced CH4 production rate compared to pristine TiO2, attributed to the improved charge separation efficiency and reduction ability. The Cu2-xS/TiO2 photocatalyst also displayed enhanced light absorption and remarkable photothermal effect due to the surface plasmon resonance effect of Cu2-xS. Furthermore, the mechanism of CO2 photoreduction over the Cu2-xS/TiO2 photocatalyst was investigated. Thus, this Cu2-xS/TiO2 S-scheme photocatalyst with photothermal effect provides valuable insights for designing full-spectrum-responsive CO2 reduction photocatalysts.
APPLIED SURFACE SCIENCE
(2023)
Article
Biotechnology & Applied Microbiology
Xiaolin Guan, Liyuan Zhang, Shoujun Lai, Jiaming Zhang, Jingyu Wei, Kang Wang, Wentao Zhang, Chenghao Li, Jinhui Tong, Ziqiang Lei
Summary: An eco-friendly method was developed to prepare non-toxic Cd-free glyco-quantum dots (glyco-QDs) in water by directly reacting thiol-ending monosaccharides with metal salts precursors. The resulted glyco-CuInS2 QDs were water-soluble, monodispersed, spherical in shape, and exhibited dual emission in the visible and near-infrared range. Cell imaging showed reversible dual-color fluorescence and excellent membrane-targeting properties of glyco-CuInS2 QDs. Furthermore, these QDs demonstrated the ability to penetrate and label tumors in three-dimensional multicellular tumor spheroids (MCTS). This research provides an effective, low-cost, and simple approach for developing green nanoparticles as fluorescent bioprobes.
JOURNAL OF NANOBIOTECHNOLOGY
(2023)
Article
Chemistry, Multidisciplinary
Weikai Zhang, Mingxuan Du, Wenshan Xi, Huiping Zhang, Shengzhong Frank Liu, Junqing Yan
Summary: This study innovatively loaded Pt nanoparticles on oxygen vacancy-rich TiO2 (Pt/Vo-TiO2) in situ using a photocatalytic device, which showed a synergistic effect on the progress of the HER kinetics. Pt/Vo-TiO2 exhibited excellent electrocatalytic performance, providing a new strategy for designing highly efficient HER catalysts.
Article
Chemistry, Physical
Yuanqin Li, Mingzhu Liu, Kang Wang, Chengfeng Li, Ying Lu, Aditya Choudhary, Taylor Ottley, Dmitry Bedrov, Lidan Xing, Weishan Li
Summary: A new single-component solvent dimethoxy(methyl)(3,3,3-trifluoropropyl) silane is proposed as an effective electrolyte for high-voltage Li-metal batteries. This electrolyte, when combined with 3 m LiFSI salt, can support the long-term cycle stability of limited-Li||high loading LiCoO2 cells at 4.6 V. Its outstanding performance is attributed to its unique solvation structures and its ability to build a stable and robust interphase on the surface of Li-metal anodes and high-voltage cathodes.
ADVANCED ENERGY MATERIALS
(2023)
Article
Materials Science, Multidisciplinary
Yang Cao, Jiangshan Feng, Zhuo Xu, Lu Zhang, Junjie Lou, Yucheng Liu, Xiaodong Ren, Dong Yang, Shengzhong (Frank) Liu
Summary: A patching strategy using bifunctional trifluorophenylacetic acid (TFPA) was developed to improve the quality and stability of perovskite films, enhancing the efficiency of perovskite solar cells (PSCs). The power conversion efficiency (PCE) of PSCs with TFPA increased from 22.95% to 24.56%, and flexible PSCs with a high PCE of 22.65% were successfully fabricated. The devices with TFPA showed better long-term efficiency retention under continuous irradiation and storage in air.
Article
Chemistry, Physical
Bolun Yu, Denan Li, Qianqian Zhu, Shufan Yao, Lifeng Zhang, Yanshuo Li, Zhenxin Zhang
Summary: This study successfully improved the catalytic activity of a zeolitic octahedral metal oxide by incorporating a single zinc species into its micropore. The zinc incorporation achieved a high ethane conversion rate and ethylene selectivity. Mechanism study showed that the isolated zinc site played a crucial role in activating oxygen and ethane, as well as stabilizing intermediates and transition states.
APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY
(2024)
Article
Chemistry, Physical
Ruoqi Liu, Hao Fei, Jian Wang, Ting Guo, Fangyang Liu, Zhuangzhi Wu, Dezhi Wang
Summary: This work successfully synthesized a high-performing S-enriched MoS2 catalyst for electrocatalytic nitrogen reduction reaction (NRR), demonstrating high activity and selectivity. The synergistic effect of the 1T phase and bridging S22- species was shown to play a positive role in NRR performances, and DFT calculations revealed the mechanism behind the improved performance.
APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY
(2024)
Article
Chemistry, Physical
Pan Xia, Lele Zhao, Xi Chen, Zhihong Ye, Zhihong Zheng, Qiang He, Ignasi Sires
Summary: This study presents a modified gas-diffusion electrode (GDE) for highly efficient and stable H2O2 electrosynthesis by using trace polymethylhydrosiloxane (PMHS). DFT calculations provide an in-depth understanding of the roles of PMHS functional groups.
APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY
(2024)
Article
Chemistry, Physical
Kwangchol Ri, Songsik Pak, Dunyu Sun, Qiang Zhong, Shaogui Yang, Songil Sin, Leliang Wu, Yue Sun, Hui Cao, Chunxiao Han, Chenmin Xu, Yazi Liu, Huan He, Shiyin Li, Cheng Sun
Summary: Different B-doped rGO catalysts were synthesized and their 2e- oxygen reduction reaction (ORR) performance was investigated. It was found that the 2e- ORR selectivity of B-doped rGO was influenced by the B content and oxygen mass transfer conditions. The synthesized catalyst exhibited high 2e- ORR selectivity and was capable of degrading organic pollutants continuously.
APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY
(2024)
Article
Chemistry, Physical
Li Lv, Lin Lei, Qi-Wen Chen, Cheng-Li Yin, Huiqing Fan, Jian-Ping Zhou
Summary: Monoclinic phase La2Ti2O7 and orthorhombic phase Bi4Ti3O12 are widely used in photocatalysis due to their layered crystal structure. The electronic structures of these phases play a crucial role in their photocatalytic activity. Heat treatment in a nitrogen atmosphere introduces more oxygen vacancies into the S-scheme heterojunction, leading to enhanced NO removal efficiency.
APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY
(2024)
Article
Chemistry, Physical
Choe Earn Choong, Minhee Kim, Jun Sup Lim, Young June Hong, Geon Joon Lee, Keun Hwa Chae, In Wook Nah, Yeomin Yoon, Eun Ha Choi, Min Jang
Summary: In this study, the synergistic effect between argon-plasma-system (AP) and catalysts in promoting the production of reactive species for water remediation was investigated. By altering the oxygen vacancies concentration of CeO2/Bi2O3 catalyst, the production of hydrated electrons was stimulated for PFOA removal. The results showed that the built-in electric field in the Bi/Ce0.43 interface enhanced electron migration and eaq- generation, leading to improved PFOA removal efficiency.
APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY
(2024)
Article
Chemistry, Physical
Yushan Wu, Di Xu, Yanfei Xu, Xin Tian, Mingyue Ding
Summary: Efficient synthesis of primary amines from carbonyl compounds was achieved via reductive amination using Ru@NC-Al2O3 as a catalyst, exhibiting high activity and selectivity under mild conditions.
APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY
(2024)
Article
Chemistry, Physical
Yilan Jiang, Peifang Wang, Tingyue Chen, Keyi Gao, Yiran Xiong, Yin Lu, Dionysios D. Dionysiou, Dawei Wang
Summary: By controlling the content of Co and Ni in Co1-xNixFe2O4, the production of O-1(2) from H2O2 can be regulated. NiFe2O4, with the lowest lattice distortion degree, can efficiently produce O-1(2) as the dominant reactive oxygen species. The system also exhibits significant resistance to water matrix interference.
APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY
(2024)
Article
Chemistry, Physical
Shuai Feng, Donglian Li, Hao Dong, Song Xie, Yaping Miao, Xuming Zhang, Biao Gao, Paul K. Chu, Xiang Peng
Summary: In this study, MoO2/Mo2N heterostructures were prepared by regulating the coordination of Mo atoms. The electrocatalyst exhibits high current density and excellent stability for hydrogen evolution reaction.
APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY
(2024)
Article
Chemistry, Physical
Jia-Cheng E. Yang, Min -Ping Zhu, Daqin Guan, Baoling Yuan, Darren Delai Sun, Chenghua Sun, Ming-Lai Fu
Summary: This study successfully modulated the electron configuration and spin state of millimetric metal catalysts by adjusting the support curvature radius. The electronic structure-oriented spin catalysis was found to affect the degradation of pollutants, providing new insights for the design and production of highly active, reusable, and stable catalysts.
APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY
(2024)
Article
Chemistry, Physical
Tao Zhong, Su Tang, Wenbin Huang, Wei Liu, Huinan Zhao, Lingling Hu, Shuanghong Tian, Chun He
Summary: In this study, a highly efficient photocatalyst for the elimination of CH3SH was developed by engineering different crystal facets and coupling them with PHI. Cu (111)/PHI exhibited the highest elimination efficiency and showed good stability and reusability. The enhanced surface electron pump effect and effective adsorption mechanisms were revealed through comprehensive characterizations and DFT calculations.
APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY
(2024)
Article
Chemistry, Physical
Feifei Yang, Tianyu Zhang, Jiankang Zhao, Wei Zhou, Nicole J. Libretto, Jeffrey T. Miller
Summary: A Ni3Sn intermetallic nano particle was found to have geometrically isolated Ni sites that could selectively cleave C-O bonds in biomass derivatives. This nano particle showed high activity and selectivity towards 2-methylfuran, unlike Ni nanoparticles that produced other unwanted products derived from the aromatic rings.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2024)
Article
Chemistry, Physical
Lulu Qiao, Di Liu, Anquan Zhu, Jinxian Feng, Pengfei Zhou, Chunfa Liu, Kar Wei Ng, Hui Pan
Summary: This study reveals that surface evolution plays a crucial role in enhancing the electrocatalytic performance of transition metal oxides for electrochemical nitrate reduction reaction (e-NO3RR). Incorporating nickel into Co3O4 can promote surface reconstruction and improve the adsorption of intermediates and reduce energy barriers, leading to enhanced catalytic performance. The reconstructed cobalt-nickel hydroxides (CoyNi1_y(OH)2) on the catalyst's surface serve as the active phase.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2024)
Article
Chemistry, Physical
Xinyu Song, Yang Shi, Zelin Wu, Bingkun Huang, Xinhao Wang, Heng Zhang, Peng Zhou, Wen Liu, Zhicheng Pan, Zhaokun Xiong, Bo Lai
Summary: This study explores the discriminative activities and mechanisms for activation of O-O bond in peroxy compounds via single-atom catalysts (SACs) with higher coordination numbers (M-N5). The atomic catalyst (Fe-SAC) with Fe-N5 as the active center was constructed, effectively activating peroxymonosulfate (PMS), peroxydisulfate (PDS), and hydrogen peroxide (H2O2). The study demonstrates the degradation efficiencies of acyclovir are related to the O-O bond length in different peroxy compounds, and reveals the discriminative mechanisms for activation of O-O bond in different Fenton-like systems.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2024)
Article
Chemistry, Physical
Yangzhuo He, Hong Qin, Ziwei Wang, Han Wang, Yuan Zhu, Chengyun Zhou, Ying Zeng, Yicheng Li, Piao Xu, Guangming Zeng
Summary: A dual-metal-organic framework (MOF) assisted strategy was proposed to construct a magnetic Fe-Mn oxycarbide anchored on N-doped carbon for peroxymonosulfate (PMS) activation. The FeMn@NC-800 catalyst exhibited superior activity with almost 100% degradation of sulfamethazine (SMZ) in 30 minutes. The study provided insights for the rational design of high-performance heterogeneous catalysts and proposed a novel nonradical-based catalytic oxidation for environmental cleaning.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2024)