Shaobin Wang

Shaobin Wang
University of Adelaide · School of Chemical Engineering

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792
Publications
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Publications

Publications (792)
Article
Full-text available
The accumulation of waste plastics has caused serious environmental issues due to their unbiodegradable nature and hazardous additives. Converting waste plastics to different carbon nanomaterials (CNMs) is a promising approach to minimize plastic pollution and realize advanced manufacturing of CNMs. The reported plastic-derived carbons include carb...
Article
Bioethanol is a promising candidate for acetaldehyde production. In this study, we controllably unzipped multi-walled carbon nanotubes into open-edged nanotube/nanoribbon hybrids via a nano-cutting strategy for metal-free oxidative dehydrogenation of ethanol to acetaldehyde and unravelled the catalytic role of edge defects in the reaction. The edge...
Article
The detrimental effects of waste plastics have drawn wide public concern. As a result, significant efforts have been made to bring waste plastics back into the supply chain. For instance, the use of recycled plastics has great potential in the building and civil construction industries. Extensive experiments have been conducted to assess improvemen...
Article
This review highlights the advances of sulfate radical (SO4•−)-based advanced oxidation processes (SR-AOPs) in water remediation using waste biomass-derived carbon materials as heterogeneous catalysts. After giving a brief overview of SR-AOPs and biomass-derived carbon materials, we showcase various formation pathways of SO4•− during peroxydisulfat...
Article
Metal atoms atomically dispersed on an inorganic metal-based support compose a unique category of single atom catalysts (SACs) and have important applications in catalytic photoreduction reactions, including H2 evolution reaction, CO2 reduction reaction, and N2 reduction reaction. In this minreview, we summarized the typical metal-support interacti...
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Thermal activation of persulfates (TAP) is a facile and easy-to-operate advanced oxidation technology for on-site decontamination of organic pollutants. Sulfate (SO4•−) and hydroxyl radicals (•OH) are the typical reactive oxygen species (ROS) in the processes of TAP. To date, numerous TAP systems have been developed to degrade recalcitrant contamin...
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Currently, various strategies have been applied to activate persulfate (PS) for contaminant removal from water. However, the background phosphate ions in water affect PS activation and organic degradation, and the mechanism of their influence on the processes is still controversial. In this review, the possible effects of different phosphate forms...
Article
Full-text available
Two−dimensional (2D) supports confined single−atom catalysts (2D SACs) with unique geometric and electronic structures have been attractive candidates in different catalytic applications, such as energy conversion and storage, value−added chemical synthesis and environmental remediation. However, their environmental applications lack of a comprehen...
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Full-text available
Among various advanced oxidation processes, coupled photocatalysis and heterogeneous Fenton‐like catalysis (known as photo‐Fenton‐like catalysis) to generate highly reactive species for environmental remediation has attracted wide interests. As an emerging metal‐free photocatalyst, graphitic carbon nitride (g‐C3N4, CN) has been recently recognized...
Article
This study leverages piezocatalysis to accelerate redox reactions in heterogeneous peroxymonosulfate (PMS) activation. We syntheized few-layered molybdenum disulfide (MoS2) nanosheets as the piezoelectric catalyst for ultrasonic vibration (US)-coupled PMS system toward enhanced pollutant abatement. Scavenger tests, dissolved oxygen (DO) exclusion e...
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Various MnOx phases and crystals were investigated in peroxymonosulfate (PMS) activation for oxidation of aqueous phenolic pollutants. MnOx with controlled crystal structure (α, β, γ, and amorphous-MnO2) and redox states (Mn2O3, and MnO) can induce different oxidative pathways toward organic polymerization against degradation in acidic conditions....
Article
S-scheme photocatalytic systems driven by semiconductors are highly promising to degrade deleterious antibiotics in a sustainable manner. Here, ultrathin TiO2(B) nanosheets-decorated hierarchical In2S3 spheres were fabricated for the photocatalytic degradation of tetracycline. The optimized IT-1.5:1 heterojunction attains stronger visible light-har...
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Full-text available
A main hurdle for the commercial application of lithium–sulfur (Li–S) batteries lies in inadequate loading of sulfur due to a huge volume change over charging–discharging, poor electric conductivity of sulfur and associated sulfides, and the shuttling effect of lithium polysulfides (LiPS). Herein, a universal “three‐region” configuration including:...
Article
Herein, three different catalysts, namely carbon nanosphere (CS), Fe3O4@CS, and Fe3O4@g-C3N4/CS, were synthesized by a facile one-pot hydrothermal carbonization approach. X-ray diffraction (XRD), field-emission scanning electron microscopy (FESEM), Brunauer-Emmett-Teller (BET) surface area analysis, UV–vis diffuse reflectance spectra (UV-DRS), and...
Article
Hierarchically porous iron/nitrogen-doped carbons (Fe-N-PC) were developed for the oxidation of ibuprofen (IBP) with peroxymonosulfate (PMS). The incorporation of trace-level iron and nitrogen dopants promoted the catalytic performance remarkably, leading to 4.8, 16.4 and 22.9-fold enhancement over N-doped carbon (N-PC), porous carbon (PC), and Fe-...
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Wastewater remediation using micro/nanomotors is a hot topic, and MnO2 based materials have become fascinating alternatives to rare noble metal-based micro/nanomotors. Herein, we demonstrate facile and large-scale synthesis of Fe-MnO2 core-shell micromotors for antibiotic pollutant removal. Heat-treatment results in a phase transformation of MnO2 w...
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Metal-free graphene-based catalysts have demonstrated excellent performance in advanced oxidation processes (AOPs). However, the recovery and reusability of these nanocatalysts are still a major issue. In this study, three dimensional (3D) nitrogen-doped reduced graphene oxide beads (NrGOb) were synthesized via a self-assembly method and then appli...
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The peroxymonosulfate (PMS) oxidation processes have received considerable attention for water treatment. The influence of monohydrogen phosphate and dihydrogen phosphate on PMS system is still controversial. A biochar activated PMS system was constructed to investigate the HPO4²⁻/H2PO4⁻ effects on sulfamethoxazole degradation. Results showed that...
Article
Molybdenum disulfide (MoS2) is an emerging class of heterogeneous catalyst in advanced oxidation processes (AOPs). Featuring a two-dimensional structure, good conductivity, photo-response, reductive capacity, and regulatable active sites, MoS2 fulfills versatile functions in various AOPs systems, such as direct activation of peroxide, serving as a...
Article
The directional regulation of oxidation capacity in the carbon-based peroxymonosulfate (PMS) activation system is a promising strategy for wastewater purification. In this work, a novel iron cobalt and nitrogen co-doped carbonized wood sponge (FeCoNCWS) was developed. A superb catalytic performance for sulfamethoxazole (SMX) degradation (∼100.0%) w...
Article
Solar-driven advanced oxidation processes (AOPs) via direct photodegradation or indirect photocatalytic activation of typical oxidants, such as hydrogen peroxide (H2O2), peroxymonosulfate (PMS), and peroxydisulfate (PDS), have been deemed to be an efficient technology for wastewater remediation. Artificial Z-scheme structured materials represent a...
Article
Full-text available
Developing S-scheme systems with impressive photocatalytic performance is of huge meaning in realizing the long-term conversion of solar energy into hydrogen. Herein, ZnIn2S4 nanoribbons were integrated with hierarchical CeO2 hollow spheres to construct heterostructure using an oil bath approach under mild conditions. The optimized CeO2/ZnIn2S4 pre...
Article
Ru species were loaded on a two-dimensional (2D) material of graphitic carbon nitride (2D g-C3N4) to serve as the efficient AOP catalysts. The catalytic activity was closely related to the dispersion degree of Ru, as determined by the inherent nanoarchitecture of the supporting material. Ultrathin g-C3N4 nanosheets with a unique porous structure we...
Article
Solar energy induced catalysis has been attracting intensive interest and its quantum efficiencies in plasmon‐mediated photothermal catalysis (P‐photothermal catalysis) and external heat coupled photocatalysis (E‐photothermal catalysis) are ultimately determined by the catalyst strcuture for photo‐induced energetic hot carriers. Herein, different c...
Article
The earth–abundant, highly active, and multifunctional catalysts have attracted enormous interest in heterogeneous catalysis for environmental remediation. Herein, boron and nitrogen co–doped porous nanocarbons (BNC) are synthesized with a one–pot and scalable approach as promising metal–free catalyst materials. The resulting BNC catalysts display...
Article
Perovskite oxides are promising catalysts in peroxymonosulfate (PMS) activation for wastewater treatment, attributed to their flexible structures. In this study, halogen anion (F⁻ or Cl⁻) was doped in La0.6Sr0.4Co0.8Fe0.2O3-δ (LSCF) for PMS activation, showing that appropriate anion doping enhances the catalytic performances. La0.6Sr0.4Co0.8Fe0.2O2...
Article
In this study, bio-inspired single-atom Fe (bio-SA-Fe) sites with pyrrole-type FeN4 coordiantions were embedded in graphitic carbon nitride (g-C3N4) via facile copolymerization approach. The bio-SA-Fe/g-C3N4 outperforms pure g-C3N4 and Fe-doped g-C3N4 (pyridine-type FeN4 sites) in photo-Fenton-like reaction with a broad operating pH range (3–9), lo...
Article
Active sites on the surface of heterogeneous catalysts accounted for the generation of reactive oxygen species (ROS) from peroxymonosulfate (PMS) toward organic degradation. In this study, the surface chemistry of sewage sludge-derived biochar (SSB) was regulated by controlled pyrolysis and SSB was used for PMS activation and oxidation of antibioti...
Article
Defect type and interactions among active sites are critical in heterogeneous peroxymonosulfate (PMS) system. Herein, a continuous flow fixed bed PMS reactor with distilled spirits lees derived biochar (DSLBs)/quartz wool was designed to explore the synergistic roles of active sites. Satisfyingly, with high graphite N, C=O content and defect degree...
Article
Full-text available
Vertical graphene (VG), possessing superior chemical, physical, and structural peculiarities, holds great promise as a building block for constructing a high‐energy density lithium‐sulfur (Li‐S) battery. Therefore, it is desirable to develop a new VG growth technique with a novel structure to enable wide applications. Herein, we devise a novel comp...
Article
BiOX (X = Cl, Br and I) and BiOX/TiO2 photocatalysts were prepared by a facile hydrothermal approach. The BiOX/TiO2 heterojunctions demonstrated significantly enhanced efficiency for photocatalytic decomposition of perfluorooctanoic acid (PFOA) compared with sole BiOX or TiO2. PFOA (10 mg Lsingle bond1) was completely degraded by BiOCl(Br)/TiO2 in...
Article
Plastic wastes have posed serious threats to the environment, including decrease of soil nutrient effectiveness and agricultural production as well as emerge of ecological instability. Fuel conversion from plastic waste is regarded as a promising strategy for its disposal and energy utilization. Plastic wastes can be converted into target fuels by...
Article
A huge amount of municipal solid waste (MSW) is produced with urbanization process, posing serious threats to the surroundings and human health. The preparation of MSW-derived biochar is an effective strategy for the waste reclamation. MSW-derived biochar possesses great potential in wastewater purification by adsorption and catalysis. In this revi...
Article
Electrocatalytic reduction of O2 is an environmentally friendly method for H2O2 production. Design and fabrication of efficient non-metallic electrocatalytic gas diffusion cathode (GDC) with strong durability is highly desirable. Carbon nanotubes (CNTs) is a promising electrocatalytic material for 2-electron O2reduction but with unsatisfying electr...
Article
Carbon quantum dots (CQDs) have attracted intensive interest in the scientific community attributed to their quantum effect, non-toxicity, fluorescence, photoluminescence, and up-conversion properties, and have been extensively applied in sensing, biomedical, optoelectronic and catalysis fields. Especially, CQDs can act as photocatalysts and be use...
Article
Photocatalysis is a green technology and has received increasing attention owing to its potential in solving environmental problems in a sustainable manner. Among the candidates of semiconductor photocatalysts, graphitic carbon nitride (g-C3N4) stands out for environmental purification because of its elemental abundances, structure robustness, and...
Article
Full-text available
Van der Waals (VDW) heterojunctions in a 2‐dimensional/2‐dimensional (2D/2D) contact provide the highest area for the separation and transfer of charge carriers. In this work, a top‐down strategy with a gas erosion process was employed to fabricate a 2D/2D carbon nitride VDW heterojunction in carbon nitride (g‐C3N4) with carbon rich carbon nitride....
Article
Microplastics (MPs) are emerging and recalcitrant micropollutants in the environment, which have attracted soaring interests from a wide range of research disciplines. To this end, numerous technologies have been devised to understand the properties, environmental behaviors, and potential impacts/hazards of MPs. Herein, we present a review on the p...
Article
Thermal and solar energies are two pivotal components in photothermal catalysis, however, their synergistic energy efficiency for a maximum yield is more important but less investigated. Herein, systematic studies unveil the promotion effects of external heat on the excitation and utilization of energetic hot carriers (EHC) on Pt/TiO2 in phototherm...
Article
Visible-light-assisted catalytic peroxymonosulfate (PMS) activation is an effective advanced oxidation technique for removing organic pollutants from water. Here, nano-sized fervanite FeVO4∙1.1H2O (FV-H) and FeVO4 (FV-A) with regulated structures are synthesized at different pH values or annealing temperatures for photocatalytic methylene blue (MB)...
Article
A highly efficient and stable heterogeneous Fenton-like catalyst was fabricated via growing CuxNiyCo-containing layered double hydroxide (LDH) nanosheets onto graphene oxide (GO) (CuxNiyCo-LDH/GO) by a facile co-precipitation method. The Cu2.5Ni0.5Co-LDH/GO with higher crystallinity and a larger specific surface area exhibited the highest catalytic...
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Full-text available
Developing single-atom electrocatalysts with high activity and superior selectivity at a wide potential window for CO2 reduction reaction (CO2RR) still remains a great challenge. Herein, a porous NiNC catalyst containing atomically dispersed NiN4 sites and nanostructured zirconium oxide (ZrO2@Ni-NC) synthesized via a post-synthetic coordination...
Article
Fe, N atoms deposited on porous biochar ([email protected]) composites were synthesized and employed as an efficient catalyst for organic pollutant removal and CrVI reduction. Naturally abundant, renewable and N-rich pomelo peel as a carbon and nitrogen source and unsubstituted phthalocyanine/iron phthalocyanine complexes as a Fe and nitrogen resou...
Article
Reduction of bromate (BrO3⁻) by various technologies has been extensively investigated, while the fate of oxygen and bromine atoms in BrO3⁻ in these processes has been largely ignored. In this study, reduction of BrO3⁻ by Fe(II) ions was investigated under various conditions via electron spin resonance (ESR), laser flash photolysis (LFP), probe of...
Article
Solar-driven conversion of nitrogen (N2) into ammonia (NH3) is a promising alternative to the Haber-Bosch process, while still suffers from low conversion efficiency due to inactive NN bond. Herein, a novel pathway of photocatalytic air redox reaction (ARR) to ammonia via NO is proposed and tested over an effective catalyst of oxygen-vacancy-rich b...
Article
Hematite (α-Fe2O3) with different shapes and preferentially exposed facets may differ in surface energy and atomic configuration resulting in versatile catalysis. Herein, four morphologies of α-Fe2O3 nanocrystals, e.g. cuboid/rhombohedral, spheroid, rice-like, and plate-like are synthesised by hydrothermal/solvothermal routes. The correlation betwe...
Article
Photocatalysis is essentially triggered by the photoinduced charge carriers, which are then oriented for the targeted redox reactions. However, the effects of intrinsic driving forces on charge carriers and their resulting photocatalytic throughputs remain unclear. Herein, we focus on two main potential differences (PDs), e.g., intralayer PD (IPD)...
Article
Developing novel heterojunction photocatalysts with visible-light response and remarkable photocatalytic activity have been verified to applying for the photodegradation of antibiotics in water environment. Herein, NH2-MIL-125(Ti) was integrated with flowerlike ZnIn2S4 to construct NH2-MIL-125(Ti)@ZnIn2S4 heterostructure using a one-pot solvotherma...
Article
Innovative solar-driven heterostructure photocatalysts are promising for removing deleterious antibiotics residues in the water environment. Herein, we prepared a vanadium pentoxide/graphitic carbon nitride (V2O5/C3N4) S-scheme with a facile approach. The heterostructure provides larger surface areas, promotes the separation and transfer of charge...
Article
FeS2-embedded in porous carbon (FeS2/C) was prepared by simultaneous sulfidation and carbonization of an iron-based metal-organic framework precursor, and subsequently immobilized in polyvinylidene fluoride membranes (FeS2/[email protected]) for organics removal via peroxymonosulfate (PMS) activation. The composition, structure, and morphology of t...
Article
Polymeric carbon nitride (g-C3N4) exhibits only mediocre catalytic activity in photocatalytic environmental remediation and energy conversion because of its limited light absorption and sluggish charge transfer. Herein, we assembled novel, tubular carbon nitride (D-TCN450) with nitrogen defects/boron dopants via a self-supramolecular reaction and N...
Article
Visible light-driven overall water splitting (OWS) for hydrogen production is a promising strategy for converting solar energy into clean chemical energy. Graphite carbon nitride (GCN) is a promising photocatalyst to drive OWS reaction due to its suitable band structure, variable structural modulation, visible light absorption, and chemical stabili...
Article
Heterogeneous catalysts have made outstanding advancements in pollutants elimination as well as energy and materials production over the past decades. Single-atom alloys (SAAs) are novel environmental catalysts prepared by dispersing single metal atoms on other metals. Integrating the advantages of single atom and alloys, SAAs can maximize atom uti...
Article
Acid treatment serves as an effective engineering strategy to modify the structure of graphitic carbon nitride (g-C3N4) for enhanced metal-free photocatalysis, while their lacks a comprehensive understanding about the impacts of different acid species and acid treatment approaches on the intrinsic structure and properties of g-C3N4 and structure-ac...
Article
Active sites on catalyst surface play significant roles in oxidative species formation. The work focused on the regulation of main active sites on catalyst surface and oxidative species formation. Herein, sewage sludge (SS)-red mud (RM) complex biochar (SRCB) and N-functionalized SRCB (NSRCB) were served as activators of peroxymonosulfate (PMS) for...
Article
Carbon-based catalytic ozonation is state-of-the-art technology with high oxidation capabilities for wastewater remediation, taking advantage of the synergies of direct ozone oxidation and the generated reactive oxygen species (ROS). Replacing metal-based materials with active and robust carbonaceous catalysts in catalytic ozonation will lead to ou...
Article
Emerging environmental issues urge for energy-saving, clean and efficient water treatment technologies. Piezoelectric materials are promising to meet the needs via driving piezocatalysis-based advanced oxidation technologies (AOTs). Because of the non-centrosymmetric nature of piezoelectric materials, they demonstrate unique features by creating a...
Article
Overwhelmed plastic waste has been gradually appreciated as a global problematic issue. Scientific efforts either dedicated to comprehending its distribution and detrimental impacts on the environment or management measures to contain it. However, there is a concern asymmetry between the knowledge of detrimental impacts of plastic waste and corresp...
Article
As an emerging group of visible-light-driven photocatalysts, bismuth-based complex oxides have attracted considerable attention owing to their outstanding photo-oxidation ability and high performance in decomposition of organic contaminants and water oxidation via photocatalytic processes. However, the relatively low level of the conduction band li...
Article
Photocatalysis is an effective process to utilize solar energy for contaminants degradation, and the catalytic performance depends on the intrinsic structural properties of catalysts and organic molecules as well as their interactions. This work innovatively reveals that layer-structured graphitic carbon nitride (GCN) and BiOBr exhibit distinctly d...
Article
Efficient catalysts for oxygen (O2) activation under room condition are required for effective wet air oxidation (WAO) technology. Here, we report a novel manganese-cobalt-based composite (MnO-CoO@Co) fabricated on a graphite felt (GF) support for catalyzing the electro-activation of O2 under room condition. Abundant Co-MnO and CoO-MnO heterointerf...
Article
Crystalline carbon nitride is regarded as the new generation of emerging metal-free photocatalysts as opposed to polymeric carbon nitride (g-C3N4) because of its high crystalline structure and ultrahigh photocatalytic water splitting performance. However, further advances in crystalline g-C3N4 are significantly restricted by the sluggish separation...
Article
Carbon-based adsorbents with a high adsorption capacity and low price have been widely used in the removal of volatile organic compounds (VOCs), but the poor gas selectivity and reusability limit their industrial applications. In this work, disc-like nitrogen-rich porous carbon materials (HAT-Xs) were synthesized to remove typical VOCs via adsorpti...
Article
Photocatalytic hydrogen evolution reaction (PC-HER) provides a solution to energy crisis and environmental pollution. Herein, different graphitic carbon nitride (g-C3N4)-based van der Waals (vdW) type II homojunctions have been fabricated and g-C3N4/K-doped g-C3N4 nanosheets have an outstanding PC-HER rate of 1,243 µmol-h−1·g−1 under visible light,...