Lei Qin

Lei Qin
Hunan University · College of Environmental Science and Engineering

About

109
Publications
5,971
Reads
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8,725
Citations
Citations since 2016
107 Research Items
8676 Citations
201620172018201920202021202205001,0001,5002,0002,500
201620172018201920202021202205001,0001,5002,0002,500
201620172018201920202021202205001,0001,5002,0002,500
201620172018201920202021202205001,0001,5002,0002,500
Introduction

Publications

Publications (109)
Article
As one of the tactics to produce reactive oxygen radicals, the Fenton-like process has been widely developed to solve the increasingly severe problem of environmental pollution. However, establishing advanced mediators with sufficient stability and activity for practical application is still a long-term objective. Herein, we proposed a facile strat...
Article
Atomically dispersed metal catalysts (ADMCs), a kind of metal species in the form of isolated atoms, have already become a new research front in heterogeneous catalysis. Generally, ADMCs are confined on supports, offering a better opportunity to optimize the catalytic performance via making use of metal-support interface interaction. Moreover, the...
Article
The inherent structural defects of graphitic carbon nitride (g-C3N4), especially low separation efficiency of photogenerated carriers, have greatly limits its photocatalytic degradation ability towards pollutants. Conjugated g-C3N4 (CN) with tailored donor-acceptor units have recently attracted great attention because of the controlled optical band...
Article
Heterogeneous electro-Fenton (HEF) technology has become a hot topic for degradation of organic pollutants in water. However, it remains a challenge to design effective catalysts for high H2O2 utilization and pollutant degradation. In this work, we explored a novel iron and nitrogen-doped carbon catalyst derived from hemin (Fe-N-C) using KHCO3-MgO...
Article
The carbon-catalyzed persulfate-based advanced oxidation process (PS-AOP) has recently received much focus owing to the green, economical, and sustainable nature of carbon catalysts. In this study, S-doped ordered mesoporous carbons (S-OMCs) were utilized to activate peroxydisulfate (PDS) for ciprofloxacin (CIP) removal. A synthesis temperature gra...
Article
Full-text available
Gold (Au) nanoparticles supported on certain platforms display highly efficient activity on nitroaromatics reduction. In this study, steam-activated carbon black (SCB) was used as a platform to fabricate Au/SCB composites via a green and simple method for 4-nitrophenol (4-NP) reduction. The obtained Au/SCB composites exhibit efficient catalytic per...
Article
Popular graphitic carbon nitride (g-C3N4) photocatalyst always faces the problems of weak visible light absorption and fast recombination of photogenerated electron-hole pairs. Herein, a novel benzene ring modified g-C3N4 nanosheet (BCNNS) was synthesized by a simple calcination method. The degradation rate of oxytetracycline by BCNNS under visible...
Article
Harmful contaminants and microorganisms in the environment have threatened ecological security and human health. Detecting and removing these pollutants with a simple and high-efficiency method is significantly essential. Compared to conventional sensing and eliminating routes, photoelectrocatalysis (PEC), as a recently arisen pathway, combines the...
Article
The use of antibiotics in human beings is a most significant milestone in the present era. However, owing to the chemical diversity and complexity, antibiotic removal from water has been an issue with the massive emission. As an efficient technology for antibiotic wastewater treatment, photo-Fenton oxidation has drawn much attention. In this work,...
Article
In this study, CuCo layered double hydroxide/biochar composite (CuCo LDH/BC) was prepared and employed for activating H2O2 to degrade ciprofloxacin (CIP), a common fluroquinolone antibiotic detected in water environment. The as-synthesized catalysts were also comprehensively characterized to study the physiochemical properties. For the catalytic ac...
Article
The combined eco-risks of Sb (widely presented in soils, especially nearing mining areas) and the engineering nanomaterials (ENMs) (applied in agriculture and soil remediation) still remain uncovered. The current study investigated the impacts of single and combined exposure of CuO, CeO2 nanoparticles (NPs) and multi-walled carbon nanotube (MWCNTs)...
Article
The increasingly serious pollution of antibiotics brings an enormous threat to the ecological environment and human health. Graphite phase carbon nitride (g-C3N4), as a popular photocatalytic material, is widely used in photocatalytic degradation of antibiotics in water. In order to make up for the shortage of g-C3N4 monomer, CeO2/N-doped g-C3N4 (C...
Article
Wastewater treatment and reclamation from wastewater are essential for the sustainable use of water resource. Zeolite-based heterogeneous catalysis shows great potential in circumventing the current limitations on pollutant removal and transformation to useful chemicals, inspiring advancements towards practical water treatment. This paper summarize...
Article
Layered double hydroxides (LDHs), are ideal inorganic materials for versatile fields, such as catalysis, energy, and medicine. Memory effect means the ability of reconstruction into their initial structure after decomposition treatment for some special materials. Based on the unique property, the layered structure can be regenerated from the calcin...
Article
A heterogeneous Fenton-like process on the basis of Fe catalysts has been widely studied for wastewater treatment, which overcomes the problem of the pH limitation and sludge production in homogeneous Fenton systems. Nevertheless, excessive H2O2 is typically required to reach a desirable Fenton-like efficiency of Fe catalysts, challenging their env...
Article
The effective utilization of near-infrared (NIR) light for energy conversion and environmental remediation has been considered as a promising approach to alleviate energy shortage and environmental pollution. The plasmonic MoO3-x and WO3-x (MO3-x (M=Mo, W)) show tremendous potential in the utilization of NIR light owing to their localized surface p...
Preprint
Full-text available
Gold (Au) nanoparticles supported on certain platforms display highly efficient activity on nitroaromatics reduction. In this study, steam-activated carbon black (SCB) was used as a platform to fabricate Au/SCB catalysts via a green and simple method for 4-nitrophenol (4-NP) reduction. The obtained Au/SCB catalysts exhibit efficient catalytic perfo...
Article
In the field of nanocatalysis, noble metal nanoparticles (NPs) have aroused tremendous attention owing to their superb catalytic efficiency, especially in the catalytic reduction of nitroaromatics. To overcome the disadvantages of noble metal-based catalysts, such as the leaching or aggregation of metal NPs, a wide variety of porous materials have...
Article
The use of antibiotics for beings is a most significant milestone in present era. However, owing to the excessive use, a large amount of antibiotics accumulated in water, leading to serious pollution. An efficient method is urgently needed to treat the antibiotics pollution. Photo-Fenton process is a green method with utilizing solar energy. Cataly...
Article
Recently, persulfate (PS) activation system has grown up as a primary branch of advanced oxidation processes, and biochar has been recognized as a potential nonmetal material in this field. However, few studies have focused on the corresponding relationship between actives sites on biochar and active species in AOPs. To pave this way, similar bioch...
Article
Metal-free carbonaceous materials emerge as a rising star of catalysts in the persulfate-based advanced oxidation processes (PS-AOPs) for green remediation. Appropriate heteroatom doping into metal-free carbonaceous materials is an effective way to improve PS activation performance. However, the relationship between doped heteroatoms and enhanced c...
Article
With the increasing serious water pollutions, an increasing interest has given for the nanocomposites as environmental catalysts. To date, noble metals-based nanocomposites have been extensively studied by researchers in environmental catalysis. In detail, serving as key functional parts, noble metals are usually combined with other nanomaterials f...
Article
The search for suitable functional materials is indispensable to solve the increasing worldwide wastewater pollution. Accordingly, porous graphitic carbon nitride (PCN) with an adjustable electronic/atomic structure has been a hot topic owing to its desirable properties of large surface area, excellent stability, strong electron transport ability,...
Article
Heavy metals pollution in water is a global environmental issue, which has threatened the human health and environment. Thus, it is important to remove them under practical water environment. In recent years, metal-organic frameworks (MOFs) with water-stable properties have attracted wide interest with regard to the capture of hazardous heavy metal...
Article
Antimony (Sb) is the ubiquitous re-emerging contaminant greatly accumulated in sediments which has been revealed risky to ecological environment. However, the impacts of Sb (III/V) on microbes and plants in sediments, under different water management with presence of engineering materials are poorly understood. This study conducted sequential incub...
Article
Refractory organic pollutants in wastewater have the characteristics of persistence and toxicity, which seriously threaten the health and safety of humans and other organisms. Many researchers have committed to developing effective wastewater treatment technologies in the past few decades. The coupling of membrane technology with persulfate/peroxid...
Article
Single atom catalysts (SACs) have shown their noticeable potential and gradually become a new favorite in catalytic field due to the particular selectivity, high catalytic performance, and strong durability. The most important factor in the synthesis of SACs is the selection of appropriate support and formation of metal–support interaction. Among a...
Article
In Ti3C2 quantum dots (Ti3C2 QDs)/Bi2O3 photocatalysts system, Ti3C2 QDs can act as a co-catalyst to greatly boost the photocatalytic performance of Bi2O3. Ti3C2 QDs with excellent light adsorption ability can improve the light response of the system, and the fascinating electronic property can function as a channel for electron transfer. Moreover,...
Article
In the present study, an innovative carbon self-doped g-C3N4 (CCN) loaded with ultra-low CeO2 (0.067 ∼ 0.74 wt%) composite photocatalyst is successfully synthesized via a facile one-pot hydrothermal and calcination method. The CeO2/CCN exhibits superior photocatalytic performance for tetracycline degradation (78.9% within 60 min), H2O2 production (...
Article
Molecular oxygen is a green and low-cost oxidant, which can be activated to produce reactive oxygen species by solar-light-driven photocatalysis. Here, Ni-Co LDH infused C, O co-doped g-C3N4 two-dimensional (2D) ultrathin nanosheet was prepared by a simple thermal polymerization coupling hydrothermal method. The molecular oxygen activation was esti...
Article
Conventional water treatment methods are difficult to remove stubborn pollutants emerging from surface water. Advanced oxidation processes (AOPs) can achieve a higher level of mineralization of stubborn pollutants. In recent years, the Fenton process for the degradation of pollutants as one of the most efficient ways has received more and more atte...
Article
To decrease the adverse environmental and health-related effects of antibiotics, a series of MnFe2O4-Au (MFO-Au) composites were prepared by simple co-precipitation and photoreduction methods for efficient photo-Fenton degradation of tetracycline (TC). The synergistic effect of MFO and gold nanoparticles (AuNPs) with high absorption of visible ligh...
Article
Nowadays, to alleviate the growing pressure of energy shortages and environmental pollution, electrochemical energy conversion is seen as a fossil‐free, secondary pollution‐free, and highly efficiency pathway. Electrocatalysts, as the “heart” of the electrochemical conversion process, play a key role in accelerating reaction rates and promoting eff...
Article
With the development of industrial society, organic wastewater produced by industrial manufacturing has caused many environmental problems. The vast majority of organic pollutants in water bodies are persistent in the environment, posing a threat to human and animal health. Therefore, efficient treatment methods for highly concentrated organic wast...
Article
Volatile organic chemicals (VOCs) and radon (Rn) gas are well-known indoor air pollutants that cause indoor air problems and pose health risks. Thus, it is extremely important to adsorb and sense them under practical conditions. Metal-organic frameworks (MOFs) are ideal choice for adsorption and sensing due to their extensive tunability and complex...
Article
Plastic products, used in almost all aspects of daily life because of their low cost, durability, and portability, could be broken down into micro- and nano-scale plastics, thereby increasing the...
Article
Electrochemical sensor is a promising detection device with the characteristics of simplicity, rapidity, portability, and high sensitivity. With the increasing demands for ultrasensitive detection, extensive signal amplification strategies have been explored and developed to improve the performance of electrochemical sensor. Metal-organic framework...
Article
With the most active Sb mines, the “dominance” on Sb production of China lead to increasingly release and omnipresence of Sb in environment through mining activities as well as the life cycle of Sb-containing productions. The introduction of engineered nanoparticles (ENPs) accidentally or intentionally (such as NP-containing sludge as fertilizer) m...
Article
It is a great challenge to achieve ultrafast charge transfer and simultaneously strengthen light adsorption for full-spectrum-light-activated photocatalysis. In this work, N and S co-doped graphene quantum dots (N, S-GQDs) and Au nanoparticles are successfully co-modified on atomic ultrathin Bi2MoO6 nanosheet, and the prepared hybrid material displ...
Article
In this work, a Fenton-like system with MnOx-Fe3O4/biochar composite (FeMn/biochar) and reducing agents (RAs) was constructed for pollutant degradation, aiming to enhance Fenton-like performance from both degradation efficacy and operational cost aspects. Batch experiments revealed that five well-characterized RAs (sodium borohydride (SBH), sodium...
Article
Semiconductor photocatalysis has been recognized as a feasible strategy for effective utilization of solar power to alleviate the energy shortage and environmental crisis. Efficient photocatalytic process over two dimensional (2D) ultrathin nanomaterial is one of the most paramount technologies for solving these problems. In this review, we begin w...
Article
Recently, biochar was frequently applied in catalysis field, and it has been regarded as an efficient carbon-rich material to degrade organic pollutants in water. Various functional structures of biochar (such as pore structure, oxygen-containing groups and, defects) have been reported to be valid in catalysis. Whereas the complexity of biochar str...
Article
Visible-light-driven molecular oxygen activation (MOA) is deemed as the potential route to enhance oxidation capacity of molecular oxygen, while activation efficiency is significantly impeded thanks to the deficient charge carrier separation and transfer. In this work, an atomic scale 2D/2D Schottky heterojunction is prepared using titanium carbide...
Article
Recently, hybrid architectures are extensively developed in environment and energy field with outstanding and multifunctional property to make up the drawbacks of “less efficient” single-component nanomaterials. Thereinto, noble metals (NMs) are rationally integrated with carbon-based dots (CDs) as one of the most commonly pursued nanohybrids, whic...
Article
Hydrogen peroxide (H2O2) was generally considered as an ideal energy carrier and environment-friendly oxidant to process environmental modification. Here, FeOOH QDs and CQDs was interspersed on g-C3N4 ultrathin nanosheet to promote H2O2 generation and in-situ decomposition. FeOOH QDs/CQDs/g-C3N4 composite (FCCN) exhibited excellent photoactivity fo...
Article
Catalytic reduction of toxic and aqueous stable nitrophenols by gold nanoparticles (Au NPs) is hot issue due to the serious environmental pollution in recent years. But the expensive price and poor recycling performance of Au NPs limit its further application. Defect-free high silica zeolite is suitable support for Au NPs due to its cheaper price,...
Article
Solar energy is a clean and sustainable energy source. Nature photosynthesis has existed for millions of years, which can convert solar energy into the chemical energy needed by living things. Inspired by natural photosynthesis, scientists have developed a series of artificial photosynthetic systems that are eager to use solar energy efficiently fo...
Article
Graphdiyne (GDY), a rising star of 2D carbon allotropes with one‐atom‐thick planar layers, has achieved the coexistence of sp‐ and sp2‐hybridized carbon atoms in a 2D planar structure. In contrast to the prevailing carbon allotropes, GDY possesses Dirac cone structures, which endow it with unique chemical and physical properties, including an adjus...
Article
Hydrogen is considered to be a promising energy carrier to solve the issue of energy crisis. Molybdenum carbide (MoxC) is the typical material, which has similar properties of Pt and thought to be an attractive alternative to noble metals for H2 evolution. The study of MoxC as alternative catalyst for H2 production is almost focused on electrocatal...
Article
In this work, a novel Zeolite imidazole framework-8-modified MnFe2O4 magnetic catalyst was successfully synthesized by one step method. The 10% ZIF-8/MnFe2O4 exhibited superior photo-Fenton catalytic performance in TC degradation at a wider pH range (pH=3-11). The excellent photo-Fenton catalytic effects were possibly attributed to the formation of...
Article
The importance of highly efficient wastewater treatment is evident from aggravated water crises. With the development of green technology, wastewater treatment is required in an eco-friendly manner. Biotechnology is a promising solution to address this problem, including treatment and monitoring processes. The main directions and differences in bio...
Article
Photocatalysis technology is regarded as a promising way for environmental remediation, but rationally designing photocatalysis system with high-speed interfacial charge transfer, sufficient photoabsorption and surface reactive sites is still a challenge. In this study, anchoring single-unit-cell defective Bi2MoO6 on ultrathin g-C3N4 to form 2D/2D...
Article
In this study, a sensitive amplification strategy for Pb2+ detection using reduced graphene oxide (RGO) and gold nanoparticles (AuNPs) was proposed. Thiol-modified DNAzyme is specific for Pb2+ self-assembly on RGO-AuNPs-modified electrode surface. Ferrocene labeled single-stranded DNAzyme (Fc-ssDNAzyme) self-hybridizes to form a DNA hairpin structu...
Article
Recent years, application of biochar in catalysis field has attracted increasing attention for it is an effective, inexpensive and environment friendly methods to solve the environmental issues. The aim of this work is to apply bone char (BBC) into persulfate (PS) activation system and achieve efficient 2,4-dichlorophenol (2,4-DCP) degradation. Thi...
Article
Since the global energy demand and consumption increased sharply, photocatalytic water splitting becomes a promising solution to provide continuous and sustainable energy resources. However, exploring photocatalysts that could meet energy needs and put into industrial manufacture remains a challenging task. Metal-organic frameworks (MOFs), as a cla...
Article
A new application of heteroatom doped ordered mesoporous carbon as metal-free catalyst was proposed in this study. Sulfur-doped ordered mesoporous carbons (S-OMCs) with different sulfur doping amount were synthesized to activate persulfate (PS) for p-nitrophenol (PNP) degradation. Thereinto, the activation effect of 2.0 wt% S-OMC improved most sign...
Article
As a newly emerging kind of porous material, covalent organic frameworks (COFs) have drawn much attention because of their fascinating structural features (e.g., divinable structure, adjustable porosity and total organic backbone). Since the seminal work of Yaghi and co-workers reported in 2005, the COF materials have shown superior potential in di...
Article
HNO3-modified carbon black supported Ni-Au bimetallic nanocatalysts (HCB-Ni-Au) with different Ni/Au molar ratio were synthesized for hydrogenation of nitroaromatics. The synergistic effect between bimetallic nanoparticles and HCB, Ni and Au nanoparticles improved the catalytic efficiency. The reaction mechanism and pathway investigation exhibited...
Article
As a sustainable and cost-efficient technique, photocatalytic technology provides an ideal method for energy utilization and environmental pollution control. The current photocatalyst is commonly based on single charge transfer approach, which cannot meet the demand of rapidly charge transfer to improve the photocatalytic performance. Herein, a nov...
Article
In this study, four kinds of porous carbon materials were used as supports to anchor gold nanoparticles (AuNPs) for catalytic reduction of nitroaromatics and 4-nitrophenol (4-NP) was employed as a model material. Results identified that carbon black (CB) restricted-Au catalyst (Au/CB) provided large specific surface area, small AuNPs size, and low...
Article
In this study, we presented a detailed investigation on the effects of typical engineered nanomaterials (ENMs) (including Fe2O3 nanoparticles, Fe3O4 nanoparticles and multi-wall carbon nanotubes (MWCNTs) on 4-nonylphenol (4NP) degradation, diversity and function of bacterial communities in sediments. Results demonstrated that iron oxides promoted 4...
Article
Herein, chitosan (CTS) functionalized activated coke (AC) is proposed as an excellent platform for Au nanoparticles (NPs) anchoring. Due to the surface-rich hydroxyl and amino groups, CTS can act as a three-functional agent such as reductant, linker and stabilizer to improve the stability of catalysts and realize a green synthesis without adding an...
Article
Metal-organic frameworks (MOFs) as photocatalysts have attracted considerable attention due to their potential for environment remediation, of which MIL-53 is a representative member of MOFs. However, the photocatalytic performance was affected by the recombination of photo-generated electron-hole pairs. On the one hand, acid-modulated MOFs have re...
Article
This study proposes a facile one-pot solvothermal method to prepare Ni-doped MIL-53(Fe) nanoparticles as high-performance adsorbents for doxycycline removal. The morphology and structure of the samples were characterized by scanning electron microscopy, transmission electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy, fourier t...
Article
This study investigated the hydrogen peroxide (H2O2) activation potential of Fe-Mn binary oxides modified bio-char (FeMn/bio-char) for the degradation of naphthalene, the dominant PAHs in drinking water. Results showed that FeMn/bio-char exhibited 80.7- and 2.18-times decomposition rates towards H2O2 than that of pure bio-char and Fe-Mn binary oxid...
Article
The presence of antibiotics in aquatic environments has attracted global concern. Heterogeneous photo-Fenton process is an attractive yet challenging method for antibiotics degradation, especially when such a process can be operated at neutral pH values. In this work, a new magnetic Cu-Fe oxide (CuFeO) was developed as the heterogeneous photo-Fento...
Article
Water pollution caused by heavy metal and organic pollutant becomes a rigorous problem, thereby a clean and sustainable technology should be developed to resolve this situation. In this work, a novel AgI/Bi 24 O 31 Cl 10 Z-scheme photocatalysis system was designed to overcome this problem. The prepared AgI/Bi 24 O 31 Cl 10 composite was characteriz...
Article
Iron-based magnetic materials are deemed to be promising catalysts for various catalytic reactions and can be recovered conveniently by an external magnetic field. MnFe 2 O 4 nanoparticle and MnFe 2 O 4 /bio-char composite with different bio-char contents were prepared to activate hydrogen peroxide for the degradation of tetracycline (TC). The cata...
Article
Highly-efficient and eco-friendly materials and technologies are urgently needed to meet the requirements of nowadays green development. Photocatalysis with using solar energy and enzymatic catalysis with eco-friendly nature are effective alternatives to address the problem. Notably, beneficial use of the synergistic effect of artificial enzyme and...
Article
Stable 2D/2D reduced graphene oxide-bismuth tungstate (rGO-BWO) compounds were synthesized via a facile hydrothermal process. The synthesized rGO-BWO compounds show high photocatalytic activity on aqueous tetracycline degradation, better than that of pure 2D BWO and rGO. rGO not only acts as the acceptor, transporter, and mediator to promote the ph...
Article
Diabetes is a dominating health issue with 425 million people suffering from the disease worldwide and 4 million deaths each year. To avoid further complications, the diabetic patient blood glucose level should be strictly monitored despite there being no cure for diabetes. Colorimetric biosensing has attracted significant attention because of its...
Article
Semiconductor photocatalysis, a sustainable and renewable technology, is deemed to be a new path to resolve environmental pollution and energy shortage. The development of effective photocatalysts, especially the metal‐free photocatalysts, is a critical determinant of this technique. The recently emerged 2D material of black phosphorus with distinc...
Article
As a newly emerging class of porous materials, covalent organic frameworks (COFs) have attracted much attention due to their intriguing structural merits (e.g., total organic backbone, tunable porosity and predictable structure). However, the insoluble and unprocessable features of bulk COF powder limit their applications. To overcome these limitat...