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Chemistry, Inorganic & Nuclear
Zia Ur Rahman et al.
Summary: Due to excessive usage and continuous release into the aquatic environment, organic pollutants have become a threat to the environment. Advanced oxidation processes (AOPs), including photocatalysis, have gained attention for the removal of active pharmaceutical ingredients (APIs) and other organic pollutants in water. A CuO-NiO nano-composite photocatalyst with a p-p isotype heterojunction was prepared using a low-cost and facile co-precipitation method. The nanocomposite photocatalyst showed effective catalytic activity in the degradation of cefixime, with a degradation rate of 90% and a rate constant (k) of 7.4 x 10-3 min-1. Radical trapping study confirmed the involvement of hydroxyl and superoxide radicals in the degradation reactions.
INORGANIC CHEMISTRY COMMUNICATIONS
(2023)
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Materials Science, Multidisciplinary
A. Zare et al.
Summary: This study conducted a comparative analysis of ZnO-CuO and ZnO-CuO-Ag nanocomposites from the perspective of characterization and photodegradation mechanism. The results showed that the ZnO-7.5 mol.%CuO nanocomposite with 5 mol.% Ag loading exhibited almost complete photodegradation efficiency toward methylene blue under visible light irradiation. The study also proposed a Z-scheme mechanism for charge transfer and identified superoxide radicals as the main active species involved in photocatalytic reactions.
MATERIALS RESEARCH BULLETIN
(2023)
Article
Biochemistry & Molecular Biology
Dongnai Ye et al.
Summary: Conjugated polymer photocatalysts for hydrogen production have adjustable structures, strong response to visible light, adjustable energy levels, and easy functionalization. A direct C-H arylation method was used to polymerize dibromocyanostilbene with thiophene, dithiophene, terthiophene, and fused thienothiophene and dithienothiophene, resulting in donor-acceptor (D-A)-type linear conjugated polymers with different thiophene derivatives and conjugation lengths. The D-A polymer photocatalyst made from dithienothiophene showed a significantly broadened spectral response and a hydrogen evolution rate of up to 12.15 mmol h(-1) g(-1). Increasing the number of fused rings on the thiophene building blocks was found to enhance the photocatalytic hydrogen production of cyanostyrylphene-based linear polymers. On the other hand, increasing the number of thiophene rings in unfused dithiophene and terthiophene resulted in reduced intrinsic charge mobility and lower hydrogen production performance. This study provides a suitable process for designing electron donors for D-A polymer photocatalysts.
Article
Chemistry, Inorganic & Nuclear
Arwa I. A. Elsharawy et al.
Summary: Notable ferromagnetic features were observed in lightly multidoped Cu0.97Mn0.01Fe0.01Ni0.01O composition at room temperature. The synthesized compositions showed a high purity mono-phase of monoclinic CuO structure with no other impurities. The incorporation of transition metals resulted in the formation of long absorption tails and red shifts in the band gap energy of CuO. Cu0.97Mn0.01Fe0.01Ni0.01O exhibited a perfect ferromagnetic performance with high saturation magnetization and coercivity at room temperature.
SOLID STATE SCIENCES
(2023)
Article
Environmental Sciences
Samira Vahabirad et al.
Summary: A binary BiOI/(BiO)2CO3 catalyst was prepared and used for the photodegradation of sulfasalazine (SSZ) in an aqueous phase. The semiconductors were characterized using XRD, SEM-EDX, and UV-Vis DRS methods, and their band gap energies and pHpzc values were determined. The response surface methodology was applied to evaluate the interaction effects of influencing variables on SSZ photodegradation and find the optimal conditions. The proposed catalyst showed good activity and stability for multiple reuse.
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
(2023)
Article
Environmental Sciences
Akash Balakrishnan et al.
Summary: In this study, oxalic acid-induced chemically functionalized graphitic carbon nitride (OCN) was prepared using a one-pot calcination method. The OCN exhibited a highly porous structure with enhanced surface area and abundant amino groups, resulting in a maximum tetracycline removal of 92% within 90 min of visible light illumination. The increased presence of amino groups and enhanced visible light absorption were attributed to the exceptional photocatalytic efficacy of the functionalized OCN.
ENVIRONMENTAL POLLUTION
(2023)
Article
Agricultural Engineering
Kaiyuan Liu et al.
Summary: A long-lasting superhydrophobic/superoleophilic nanocellulose-based membrane was created for effective oil/water separation and simultaneous removal of soluble dye, offering solutions to the threats of industrial oily wastewater discharge to the environment.
INDUSTRIAL CROPS AND PRODUCTS
(2023)
Article
Agricultural Engineering
Zuozhu Yin et al.
Summary: In this study, a superhydrophobic, oil-water separation, anti-bioadhesion, and photocatalytic Pulp/cellulose nanofibers (CNFs) membrane was fabricated for all-in-one wastewater treatment using a simple coating method. The membrane exhibited superwetting ability, good oil-water separation capacity, notable photocatalytic degradation capacity, and outstanding anti-bioadhesion action. It also showed high separation efficiency and throughput, as well as significant photocatalytic degradation of organic dye pollutants and good anti-bioadhesive performance. This multi-functional membrane simplifies installation and saves money in wastewater treatment.
INDUSTRIAL CROPS AND PRODUCTS
(2023)
Article
Environmental Sciences
Zuozhu Yin et al.
Summary: Traditional membranes are inefficient in treating toxic pollutants and oily wastewater in harsh environments. This study presents a nanocellulose-based membrane with Co(OH)(2)@stearic acid, which enables efficient separation of oil/water mixtures and degradation of pollutants. The membrane shows high separation flux and efficiency under strong acid/alkali conditions, and also demonstrates good self-cleaning and recycling performance. It provides a convenient and effective way to treat sewage in harsh conditions.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2023)
Article
Instruments & Instrumentation
Xiaoxiang Chen et al.
SENSORS AND ACTUATORS A-PHYSICAL
(2023)
Article
Materials Science, Coatings & Films
Xiaoxiang Chen et al.
Summary: By spraying a polyurethane/stearic acid/zinc oxide-iron oxide composite powder on the surface of graphene composite films, a bionic structural design was achieved, resulting in high thermal conductivity and lower surface temperature. The composite film also exhibited excellent hydrophobicity and electrical conductivity, while maintaining good flexibility and reliability.
SURFACE & COATINGS TECHNOLOGY
(2023)
Article
Materials Science, Ceramics
Yuanting Deng et al.
Summary: In this study, a 304 stainless steel-based ZnO seed layer was prepared using sol-gel method or electrochemical deposition, and a superhydrophobic nano-ZnO surface was created on its surface through hydrothermal method. The results showed that different seed layer preparation methods led to different structural morphologies of the 304SS-based ZnO surface. In static icing test, the CSS-ZnO surface exhibited the best anti-icing performance, prolonging icing time at -5°C and delaying ice formation at -10°C and -15°C. In dynamic icing test, the CSS-ZnO surface also showed significant anti-icing effect. The study illustrated the mechanism of water droplet condensation inhibition by superhydrophobic surfaces and provided practical applications for enhancing anti-icing ability of 304SS surfaces in industry.
CERAMICS INTERNATIONAL
(2023)
Article
Engineering, Environmental
Zhixiang Xu et al.
Summary: Algae play an important role in the sunlight-driven degradation of environmental contaminants. This study investigated the role of algal organic matter (AOM) from Microcystis aeruginosa in tetracycline photodegradation. The results showed that different types of AOM promoted tetracycline degradation in different ways and efficiencies.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Physical
Congying Rao et al.
Summary: In this study, Cu/C composites were prepared by calcining synthesized metal-organic nanocapsules precursors and their photocatalytic performance was evaluated for methyl violet degradation. The influence of calcination temperature and time on catalytic activity was investigated, and the Cu@C-100 0-4 composites showed the highest photodegradation performance. The possible mechanism for the degradation of MV dye by Cu/C-100 0-4 composite was analyzed using LC-MS methodology.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Physical
Zuozhu Yin et al.
Summary: In this study, a simple solution immersion method was used to fabricate a multifunctional cellulose-based membrane (CBM) with superhydrophobicity and superior functionalities including self-cleaning, oil-water separation, anti-biofouling, and photocatalytic degradation capabilities. The CBM exhibited high separation efficiency, comparatively high flux, and recyclability for oil-water separation. It also showed efficient adsorption and decomposition of organic dyes, as well as superior anti-biofouling capability. This finding offers a promising approach for wastewater treatment in complex environments using a simple, cost-effective, environmentally safe, and reliable method.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Chemistry, Inorganic & Nuclear
Samira Vahabirad et al.
Summary: A binary BiOI/(BiO)(2)CO3 catalyst was prepared and exhibited high efficiency in the visible-light-driven photocatalytic degradation of SSZ.
JOURNAL OF SOLID STATE CHEMISTRY
(2022)
Article
Engineering, Chemical
Zuozhu Yin et al.
Summary: In this study, MnO2 micro/nanoparticles were successfully deposited on the cellulose-based membrane surface, followed by decoration with stearic acid, resulting in a superhydrophobic CM sample with excellent oil/water separation, anti-fouling, and dye photodegradation properties triggered by visible light.
SEPARATION AND PURIFICATION TECHNOLOGY
(2022)
Article
Chemistry, Inorganic & Nuclear
Sachin Dev et al.
Summary: Lanthanide sulfide nanorods were synthesized via a collision reaction mechanism at room temperature, and were utilized for photocatalytic degradation of organic dyes and scavenging of free radicals, highlighting their potential applications in environmental waste treatment.
SOLID STATE SCIENCES
(2022)
Article
Chemistry, Inorganic & Nuclear
Samira Vahabirad et al.
Summary: BiOI and (BiO)(2)CO3 nanoparticles were synthesized and mechanically coupled to form the BIBC sample. The photocatalytic activity of the BIBC sample towards sulfasalazine was significantly improved, with the best performance achieved at a BiOI:(BiO)(2)CO3 mole ratio of 2:1.
JOURNAL OF SOLID STATE CHEMISTRY
(2022)
Article
Materials Science, Coatings & Films
Zuozhu Yin et al.
Summary: This translation introduces a one-step spraying method for fabricating a colorful superhydrophobic nanocellulose-based membrane with high durability and efficiency in oil/water separation and oil spill cleanup. The dosage of pigment dispersions can regulate the color diversity and depth of the membrane. The membrane exhibits excellent resilience and superhydrophobicity even after severe testing, and it can be used for creating colorful paintings and separating oil/water mixtures efficiently.
SURFACE & COATINGS TECHNOLOGY
(2022)
Article
Chemistry, Multidisciplinary
Xiuyan Dong et al.
Summary: The incremental use of antibiotics has led to pollution in aquatic systems. Metal-organic frameworks (MOFs) can be used as photocatalysts to decompose antibiotics in wastewater. A stable MOF has been synthesized and exhibits effective photocatalytic decomposition of antibiotics.
Article
Chemistry, Physical
Zuozhu Yin et al.
Summary: In this study, four types of ZnO SPS were fabricated using different zinc sources, with ZnO nanoribbons SPS showing the longest delayed icing time at -5°C. However, the anti-icing ability of ZnO nanoribbons SPS decreased significantly with decreasing temperature. This work provides practical application for enhancing the anti-icing ability of Cu-based PCB in electronic packaging.
CHEMICAL PHYSICS LETTERS
(2021)
Article
Chemistry, Applied
Zuozhu Yin et al.
Summary: This study reports the fabrication and characterization of a multifunction cellulose membrane with high stability, efficient oil-water separation properties, and rapid photocatalytic degradation of environmental contaminants. The membrane showed excellent superhydrophobic and self-cleaning properties, as well as resistance to acid/alkali solutions, abrasion, high temperatures, and heat insulation. It also demonstrated high separation efficiency and flux for oil-water separation, and reliable photocatalytic ability, indicating great potential for various applications.
PROGRESS IN ORGANIC COATINGS
(2021)
Article
Chemistry, Inorganic & Nuclear
Grazy na Dabrowska et al.
Summary: A new substitutional solid solution CuTa2-xSbxO6 in the binary CuTa2O6 -CuSb2O6 system has been discovered, with a limited range of homogeneity (0 < x <= 0.5) and maximal replacement of Ta5+ by Sb5+ ions reaching at least 25 mol%. The solid solution is characterized as a semiconductor, with the energy gap decreasing from 2.76 to 2.64 eV for 0.10 = x <= 0.50.
SOLID STATE SCIENCES
(2021)
Article
Chemistry, Physical
Ayushi Singh et al.
Summary: Metal-organic frameworks (MOFs) and coordination polymers (CPs) are new varieties of materials with potential applications in gas separation, storage, membranes, and drug delivery. Recent research explores the use of pure MOFs as photocatalysts, with computational studies providing insights into their photocatalytic properties. These materials show promise in degrading organic molecules, particularly dyes, in wastewater discharge from industrial sources.
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