Article
Chemistry, Applied
Tomas Imrich, Hana Krysova, Michael Neumann-Spallart, Josef Krysa
Summary: In this study, precursor films of pseudobrookite, Fe2TiO5, were obtained using spray pyrolysis technique. By annealing at high temperatures, phase-pure pseudobrookite films were obtained. Electrochemical experiments showed that Fe2TiO5 electrodes exhibited n-type behavior with a maximum photocurrent of 0.35 mA/cm(2) under simulated sunlight. The valence band energy of Fe2TiO5 was estimated to be between 6.6 and 6.8 eV.
Article
Nanoscience & Nanotechnology
Martin T. Matter, Leonida Maliqi, Kerda Keevend, Stefanie Guimond, Judith Ng, Efe Armagan, Markus Rottmar, Inge K. Herrmann
Summary: Dental implant failure is a prevalent issue globally, with current surface modifications facing challenges in achieving sufficient integration and preventing biofilm formation. Introduction of nanostructures on the surface shows promise in improving implant-tissue contact, but existing coating processes are limited in versatility and cost. A highly modular single-step method has been developed to produce multicomponent porous bioactive nano-structured coatings on implants, with potential applications in dental implantology and beyond.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Thermodynamics
M. F. B. Stodt, Jan Derk Groeneveld, Lutz Maedler, Johannes Kiefer, Udo Fritsching
Summary: This study investigates the occurrence of in-flight droplet microexplosions (mu-explosions) during flame spray pyrolysis and confirms the findings through single drop experiments. It is found that there are distinct mu-explosions happening at high frequencies during the synthesis of iron oxide nanoparticles. This finding is significant for understanding the role and relevance of mu-explosions in the production and formulation of functional nanoparticles.
COMBUSTION AND FLAME
(2022)
Article
Engineering, Environmental
Shuo Liu, Mohammad Moein Mohammadi, Mark T. Swihart
Summary: This review provides an overview of flame aerosol synthesis of catalysts, including the mechanisms, applications, and recent progress. By controlling process parameters and reactor configuration, catalyst structures can be tailored. The advantages, limitations, and future research directions of flame-made catalysts are also discussed in the review.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Chemistry, Physical
Hao Xiu, Tianshu Gao, Na An, Ying Wang, Yang Zhou, Xiaopeng Qi, Deyu Liu, Yongbo Kuang
Summary: A general solution method using citrate to prepare nanoporous oxide thin films with controllable porosity was reported. The impacts of morphology on photoelectrochemical performance were studied using CuBi2O4 as a model material. The synthesis technique can be applied to prepare crystallized nanoporous oxide thin films with tunable morphologies for photovoltaic and other catalytic applications.
ACS APPLIED ENERGY MATERIALS
(2022)
Article
Chemistry, Analytical
K. Khamfoo, A. Wisitsoraat, M. Punginsang, A. Tuantranont, C. Liewhiran
Summary: Nb-doped SnO2 nanoparticles were synthesized via flame spray pyrolysis for the first time, with 0.5 wt% Nb content providing the best sensor response to 1 vol% C2H2 at 350 degrees Celsius. The sensor also exhibited low humidity dependence, good long-term stability, and high C2H2 selectivity.
SENSORS AND ACTUATORS B-CHEMICAL
(2021)
Article
Chemistry, Analytical
K. Inyawilert, A. Sukee, M. Siriwalai, A. Wisitsoraat, J. Sukunta, A. Tuantranont, S. Phanichphant, C. Liewhiran
Summary: Erbium-doped SnO2 nanoparticles with different Er concentrations were synthesized and their gas-sensing properties were investigated. The sample with 0.1 wt% Er exhibited the best response to C2H4O, showing significantly improved performance compared to the undoped sample.
SENSORS AND ACTUATORS B-CHEMICAL
(2021)
Article
Energy & Fuels
Yihua Ren, Jinzhi Cai, Heinz Pitsch
Summary: Flame spray pyrolysis is a promising technology for synthesizing metal-oxide nanomaterials, but numerical simulation faces challenges. A single-droplet model has been developed to describe multicomponent droplet combustion and guide precursor and process design.
Article
Green & Sustainable Science & Technology
Suriya Venkatesan, Jens Mitzel, Karsten Wegner, Remi Costa, Pawel Gazdzicki, Kaspar Andreas Friedrich
Summary: The limited scalability and multi-step processing of the conventional synthesis routes for electrocatalysts, their supports and thin functional films remain a challenge in the inexpensive production of energy materials and cells. Flame spray pyrolysis (FSP) offers a solution by providing a simple, rapid, scalable and single-step fabrication technique.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2022)
Article
Thermodynamics
Malte F. B. Stodt, Chenyang Liu, Shuiqing Li, Lutz Maedler, Udo Fritsching, Johannes Kiefer
Summary: This study investigates the flame spray pyrolysis of iron oxide nanoparticles using the new reference nozzle SpraySyn and applies the PS-LIBS technique to study particle formation under different precursor solutions. Significant differences in atomic emission spectra are observed when adding 2-ethylhexanoic acid to precursors, enabling differentiation between different particle formation routes. The experimental results provide deep insights into combustion and particle nucleation kinetics in spray flames, with potential applications for numerical simulations.
PROCEEDINGS OF THE COMBUSTION INSTITUTE
(2021)
Article
Engineering, Environmental
Xing Yuan, Lingquan Meng, Zuwei Xu, Chaohe Zheng, Haibo Zhao
Summary: The study investigated the influence of loading active copper components onto perovskites and essential operating parameters in flame aerosol synthesis to optimize the catalytic efficiency for the complete oxidation of lean CO and CH4. The CuO-SrTiO3 nanocatalysts exhibited optimal catalytic performance with precursor flow rate of 3 mL/min and CuO loading of 15 mol %. The excellent performance is attributed to the low-temperature reducibility of CuO quantum dots and metal-support interaction on SrTiO3 perovskite support.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2021)
Article
Chemistry, Physical
Cecile Daniel, Yves Schuurman, David Farrusseng
Summary: The cerium-zirconium mixed oxides synthesized by Flame Spray Pyrolysis (FSP) exhibit higher catalytic activities compared to those prepared by precipitation method. It is suggested that FSP enables surface enrichment in cerium oxide interacting with zirconium oxide, leading to a higher concentration of adsorbed methanol at the surface, which explains the superior catalytic activity of the catalysts prepared using this method. This method is expected to generate mixed oxides with high surface area and different catalytic performances compared to those prepared at lower temperatures due to their metastable nature.
JOURNAL OF CATALYSIS
(2021)
Article
Chemistry, Multidisciplinary
Tomoyuki Hirano, Takama Tsuboi, Kiet Le Anh Cao, Eishi Tanabe, Takashi Ogi
Summary: Niobium-doped tin oxide (NTO) nanoparticles were prepared by spray flames, which exhibited high specific surface area and good performance as catalyst support in fuel cells. The characteristics and performances of the NTO nanoparticles were evaluated, revealing their potential for fuel cell applications.
JOURNAL OF NANOPARTICLE RESEARCH
(2023)
Article
Materials Science, Multidisciplinary
Xuan Minh Chau Ta, Thi Kim Anh Nguyen, Anh Dinh Bui, Hieu T. T. Nguyen, Rahman Daiyan, Rose Amal, Thanh Tran-Phu, Antonio Tricoli
Summary: Photoelectrochemical water splitting is a promising approach to produce green hydrogen using solar energy. However, the lack of efficient photoanodes to catalyze the water photooxidation reaction remains a challenge. In this study, nanostructured FeWO4 photoanodes were synthesized on a fluorine doped tin oxide glass substrate via a scalable and ultra-fast flame synthesis route. The optimized FeWO4 photoanode with a bandgap of 1.82 eV and a FeOOH/NiOOH co-catalyst coating showed improved water photooxidation performance and good photostability, providing insights for the engineering of small band-gap catalysts for various photoelectrochemical applications.
ADVANCED MATERIALS TECHNOLOGIES
(2023)
Article
Chemistry, Multidisciplinary
Xiaoyu Duan, Chong Xu, Amany M. El Nahrawy, Jing Chen, Zhiqiang Zhu, Jianmin Wang, Qinghua Liang, Feng Cao
Summary: The study focused on the controllable fabrication of ultrathin CuWO4 films with improved PEC performance by an automatic ultrasonic spray pyrolysis method. It was found that the ultrathin CuWO4 film prepared from ammonium metatungstate showed the best PEC performance. The effects of different tungsten sources and film thickness on PEC performance were studied, along with exploring different charge transfer mechanisms and PEC performance under different illumination conditions.
Article
Electrochemistry
Stefano Americo, Eleonora Pargoletti, Raffaella Soave, Fausto Cargnoni, Mario Italo Trioni, Gian Luca Chiarello, Giuseppina Cerrato, Giuseppe Cappelletti
Summary: The mechanism of acetone sensing by WO3 was investigated using a combination of experimental and theoretical approaches. The results showed that acetone adsorption and oxidation reaction can occur in the presence of surface oxygen vacancies, with the sensor response being dependent on the inert/oxidative atmosphere and surface oxygen population. These findings could guide future studies on potential reaction products and the engineering of nanomaterials with specific surface features for enhanced sensing properties.
ELECTROCHIMICA ACTA
(2021)
Article
Chemistry, Physical
Ivan Grigioni, Annalisa Polo, Maria Vittoria Dozzi, Lucia Ganzer, Benedetto Bozzini, Giulio Cerullo, Elena Selli
Summary: CuWO4 is a ternary metal oxide semiconductor with promising properties for photoelectrochemical water splitting and solar light conversion due to its low band gap and high stability. However, its relatively low PEC efficiency is attributed to the fast recombination dynamics of charge carriers photogenerated in CuWO4, which is discussed in relation to its PEC performance and compared with other semiconductor oxides, notably Fe2O3.
JOURNAL OF PHYSICAL CHEMISTRY C
(2021)
Review
Engineering, Chemical
Ana Iglesias-Juez, Gian Luca Chiarello, Gregory S. Patience, M. Olga Guerrero-Perez
Summary: X-ray absorption spectroscopy (XAS) is a technique used to measure electron absorption spectra and study chemical bonds on catalyst surfaces. Researchers are developing new X-ray sources to measure catalyst stability and handle toxic substances.
CANADIAN JOURNAL OF CHEMICAL ENGINEERING
(2022)
Review
Chemistry, Multidisciplinary
Demetrios D. Chronopoulos, Haneesh Saini, Iosif Tantis, Radek Zboril, Kolleboyina Jayaramulu, Michal Otyepka
Summary: Metal-organic frameworks (MOFs) are important crystalline materials composed of metal ions and organic ligands, known for their high porosity and large surface area. By integrating MOFs with carbon nanotubes (CNTs), which exhibit high conductivity and stability, a wide variety of composites with superior properties can be prepared for applications in fields such as water purification, gas storage, and sensing.
Article
Chemistry, Multidisciplinary
Nikolaos Chalmpes, Georgios Asimakopoulos, Maria Baikousi, Constantinos E. Salmas, Dimitrios Moschovas, Apostolos Avgeropoulos, Athanasios B. Bourlinos, Iosif Tantis, Aristides Bakandritsos, Dimitrios Gournis, Michael A. Karakassides
Summary: This study proposes a method to convert wood pencils into carbon materials, which can be used for decolorization, making pocket warmers or gunpowder, and serving as an excellent adsorbent for Cr(VI) removal. By heating the wood pencils in a microwave oven, the graphite core is carbonized, resulting in different properties of carbon materials.
APPLIED SCIENCES-BASEL
(2022)
Article
Energy & Fuels
Annalisa Polo, Maria Vittoria Dozzi, Ivan Grigioni, Charles Lhermitte, Nukorn Plainpan, Luca Moretti, Giulio Cerullo, Kevin Sivula, Elena Selli
Summary: Mo6+ doping enhances the photoelectrochemical performance of BiVO4 photoanodes in water oxidation. The mechanisms behind this improvement are revealed through transient absorption spectroscopy and impedance spectroscopy, showing that Mo6+ ions improve electron transport and surface properties of BiVO4 photoanodes.
Article
Green & Sustainable Science & Technology
Eleonora Buoio, Chiara Cialini, Alessandra Cafiso, Lucia Aidos, Silvia Michela Mazzola, Raffaella Rossi, Simone Livolsi, Alessia Di Giancamillo, Vittorio Maria Moretti, Elena Selli, Massimiliano Bestetti, Silvia Franz, Gian Luca Chiarello, Annamaria Costa, Chiara Bazzocchi
Summary: The study evaluated the effects of photo-electrocatalysis (PEC) as a novel application for water remediation in rainbow trout culture. Compared to conventional biological filters, the PEC purification system showed improved water quality and higher welfare in the fish.
Article
Chemistry, Multidisciplinary
Mario Italo Trioni, Fausto Cargnoni, Stefano Americo, Eleonora Pargoletti, Gian Luca Chiarello, Giuseppe Cappelletti
Summary: In chemiresistive devices optimizing sensitivity and selectivity towards Volatile Organic Compounds (VOCs) is crucial. Experimental measurements showed a two orders of magnitude higher sensor response of a WO3 chemiresistor towards gaseous acetone compared to toluene, with Density Functional Theory indicating different electronic structure perturbations upon molecule adsorption.
Article
Chemistry, Physical
Aleksandra Bartkowiak, Oleksandr Korolevych, Gian Luca Chiarello, Malgorzata Makowska-Janusik, Maciej Zalas
Summary: Mesoporous TiO2 doped with Cu2+, Mn2+, and Ni2+ ions nanomaterials were successfully synthesized via the optimized sol-gel method. The effects of metal ion doping on the performance of the nanomaterials and their potential application in solar cells were investigated.
APPLIED SURFACE SCIENCE
(2022)
Article
Chemistry, Physical
Martin Pykal, Martin Vondrak, Martin Srejber, Iosif Tantis, Elmira Mohammadi, Aristides Bakandritsos, Miroslav Medved, Michal Otyepka
Summary: Graphene derivatives with a wide variety of functional groups show resistance to reduction reactions due to limited accessibility. Understanding the mechanistic aspects, such as steric hindrance and surface-solvent interactions, is crucial for the reactivity of 2D materials.
APPLIED SURFACE SCIENCE
(2022)
Article
Chemistry, Physical
Gian Luca Chiarello, Massimo Bernareggi, Elena Selli
Summary: In this study, in situ modulated excitation X-ray absorption spectroscopy (ME-XAS) was used to investigate the role of Pt and Cu nanoparticles (NPs) in TiO2 photocatalysis. The results show that Pt NPs act as active sites for H2 evolution, while Cu NPs exhibit different oxidation states and undergo redox switching under aerobic conditions.
Article
Chemistry, Physical
Ivan Grigioni, Annalisa Polo, Maria Vittoria Dozzi, Kevin G. Stamplecoskie, Danilo H. Jara, Prashant Kamat, Elena Selli
Summary: Photoelectrochemical water splitting is a technology that converts solar energy into oxygen and hydrogen. Research on WO3/BiVO4 heterojunction photoanodes shows that sensitizing WO3 with a BiVO4 layer can improve the efficiency of photo current.
ACS APPLIED ENERGY MATERIALS
(2022)
Article
Chemistry, Applied
Simone Livolsi, Silvia Franz, Annamaria Costa, Eleonora Buoio, Chiara Bazzocchi, Massimiliano Bestetti, Elena Selli, Gian Luca Chiarello
Summary: In this study, the photoelectrocatalytic oxidation of ammonia was investigated using a stainless-steel PEC reactor. It was found that in a 5mM KCl electrolyte solution, ammonia was completely converted with a selectivity of 67% to molecular nitrogen after 12 hours of reaction.
Article
Nanoscience & Nanotechnology
Chiara Nomellini, Annalisa Polo, Camilo A. Mesa, Ernest Pastor, Gianluigi Marra, Ivan Grigioni, Maria Vittoria Dozzi, Sixto Gimenez, Elena Selli
Summary: The performance of composite WO3/BiVO4 photoanodes can be improved by nanostructuring the WO3 underlayer, mitigating charge transport and recombination issues.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Physical
Ivan Grigioni, Annalisa Polo, Chiara Nomellini, Laura Vigni, Alessandro Poma, Maria Vittoria Dozzi, Elena Selli
Summary: This study investigated the photoelectrochemical performance of transparent CuWO4 electrodes and found that the electrodes with optimal thickness exhibit excellent visible light activity and charge extraction capability, with the charge recombination increasing at higher light intensity.
ACS APPLIED ENERGY MATERIALS
(2023)
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)