Pt-Modified Interfacial Engineering for Enhanced Photocatalytic Performance of 3D Ordered Macroporous TiO2

Article Chemistry, Physical

Selective photocatalytic oxidation of gaseous ammonia at ppb level over Pt and F modified TiO2

Yajie Shu et al.

Summary: Surface fluorination and Pt deposition on TiO2 can reduce the formation of NOx during photocatalytic oxidation of low-concentration NH3, changing the photocatalytic pathway of NH3 conversion.

APPLIED CATALYSIS B-ENVIRONMENTAL (2022)

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Article Environmental Sciences

Green synthesis of Cu-doped ZnO nanoparticles and its application for the photocatalytic degradation of hazardous organic pollutants

K. Karthik et al.

Summary: The synthesis of metal nanoparticles using plant extracts has emerged as a significant issue in the field of nanoscience and nanobiotechnology, showing superior physical and optical properties. In this study, Cu-doped ZnO NPs exhibited enhanced photocatalytic activity for organic dyes, indicating the potential of bio-synthesis in developing environmentally friendly products with enriched photocatalytic performance.

CHEMOSPHERE (2022)

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Article Engineering, Environmental

Introduction of cation vacancies and iron doping into TiO2 enabling efficient uranium photoreduction

Xiang Gong et al.

Summary: The introduction of Ti vacancies and doped Fe atoms into 4%Fe-Ti1-xO2 nanosheets improves the utilization of visible light and decreases the recombination of photogenerated electron-hole pairs, contributing to the highly efficient removal of U(VI).

JOURNAL OF HAZARDOUS MATERIALS (2022)

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Article Chemistry, Multidisciplinary

Dual Application of Waste Grape Skin for Photosensitizers and Counter Electrodes of Dye-Sensitized Solar Cells

Yuan Yuan et al.

Summary: This study demonstrates the potential of using waste grape skin as a carbon-based counter electrode and photosensitizer in dye-sensitized solar cells (DSSCs), leading to an improved photovoltaic efficiency.

NANOMATERIALS (2022)

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Review Materials Science, Multidisciplinary

Engineering Schottky-like and heterojunction materials for enhanced photocatalysis performance - a review

Priyanka Kumari et al.

Summary: Photocatalysis with nanostructured semiconductors is widely used for environmental remediation, but issues like fast recombination of charge carriers and poor redox abilities of the carriers need to be addressed. Metal/semiconductor and semiconductor/semiconductor interfaces have been engineered to create Schottky-like and heterojunction materials, which suppress charge carrier recombination and enhance catalytic performance. This review compares the fundamentals, structures, configurations, and charge transfer pathways of these materials and correlates their physicochemical properties with the degradation of dyes and organic pollutants in wastewater. The review also discusses the challenges and future perspectives for improving the design and properties of Schottky-like and heterojunction structures.

MATERIALS ADVANCES (2022)

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Review Environmental Sciences

Removal of gaseous pollutants by using 3DOM-based catalysts: A review

Yuan-zhen Liu et al.

Summary: Three-dimensionally ordered macroporous (3DOM)-based catalysts are promising for controlling gaseous pollutants emissions due to their high porosity, large surface area, pore volume, and excellent mass transfer capability. Recent studies have summarized the preparation and applications of 3DOM catalysts, along with introducing their advantages and mechanisms in gaseous pollutants control. Future perspectives and directions for 3DOM-based catalysts in gaseous pollutants control have also been proposed.

CHEMOSPHERE (2021)

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Article Chemistry, Physical

In Situ Depositing Ag NPs on PDA/SiW11V Co-encapsulated Fe3O4@TiO2 Magnetic Microspheres as Highly Efficient and Durable Visible-light-driven Photocatalysts

Panfeng Wu et al.

Summary: This study successfully prepared a novel multi-component composite photocatalyst, which showed high efficiency in degrading organic dyes and reducing heavy metal ions under visible light. By using PDA as an effective linker, the compatibility issue between different components was well addressed.

CHEMCATCHEM (2021)

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Review Energy & Fuels

Latest progress on the key operating parameters affecting the photocatalytic activity of TiO2-based photocatalysts for hydrogen fuel production: A comprehensive review

Mohammed Ismael

Summary: Photocatalytic hydrogen generation through water splitting using TiO2 photocatalyst and sunlight is a sustainable technology for producing clean hydrogen fuel. Various factors such as surface area, particle size, and calcination temperature can affect the photocatalytic activity of TiO2, while different strategies like doping, composite structure, and defects engineering can enhance its performance for other applications in photocatalysis.

FUEL (2021)

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Article Chemistry, Physical

Synergistic Effect of Nitrogen and Sulfur Dual-Doping Endows TiO2 with Exceptional Sodium Storage Performance

Mengna Fan et al.

Summary: Nitrogen and sulfur dual-doping in TiO2 significantly enhances electronic conductivity and sodium ion transfer kinetics, leading to improved rate performance and cycling stability in sodium-ion batteries.

ADVANCED ENERGY MATERIALS (2021)

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Article Chemistry, Physical

Metal organic framework-derived C-doped ZnO/TiO2 nanocomposite catalysts for enhanced photodegradation of Rhodamine B

Yingming Wang et al.

Summary: A series of C-doped ZnO/TiO2 composites were prepared by one-step controllable pyrolysis, showing efficient photocatalytic degradation of organic pollutants with good stability and reusability.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2021)

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Article Chemistry, Multidisciplinary

Structure Sensitivity of Au-TiO2 Strong Metal-Support Interactions

Yunshang Zhang et al.

Summary: The study demonstrates that the Au-TiO2 SMSI of Au/TiO2 catalysts is sensitive to both the size of Au nanoparticles and the facets of TiO2. By forming TiO2-x overlayers on Au NPs, easier lattice oxygen activation and higher catalytic activity can be achieved, leading to enhanced low-temperature CO oxidation efficiency.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Physical

A simple strategy to improve Pd dispersion and enhance Pd/TiO2 catalytic activity for formaldehyde oxidation: The roles of surface defects

Chunying Wang et al.

Summary: The introduction of Ti3+ defects to stabilize noble metal Pd on TiO2 catalyst enhances Pd dispersion and activity, promoting the oxidation of HCHO.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

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Article Chemistry, Physical

Defective domain control of TiO2 support in Pt/TiO2 for room temperature formaldehyde (HCHO) remediation

Waleed Ahmad et al.

Summary: Synthesizing defective anatase TiO2 through chemical vapor condensation and impregnating with Pt resulted in a Pt/CVC-TiO2 catalyst with high efficiency in removing HCHO at room temperature, demonstrating good stability over time. The study highlighted the synergistic relationship between oxygen vacancies in the TiO2 support and the resulting HCHO oxidation functionality.

APPLIED SURFACE SCIENCE (2021)

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Article Green & Sustainable Science & Technology

Plasmonic Au-based junctions onto TiO2, gC3N4, and TiO2-gC3N4 systems for photocatalytic hydrogen production: Fundamentals and challenges

Pablo Jimenez-Calvo et al.

Summary: Solar energy and photocatalysis are key players in the energy transition, with hydrogen emerging as an ideal solar fuel due to its simplicity in the water-splitting reaction. However, the challenge lies in finding a single catalyst with sufficient conversion efficiency. The development of multi-phase composites, plasmonic Schottky junctions, and Z-scheme heterojunctions are promising approaches to enhancing hydrogen production.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2021)

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Article Environmental Sciences

Photocatalytic degradation of 2,4-dichlorophenol using bio-green assisted TiO2-CeO2 nanocomposite system

Lalitha Gnanasekaran et al.

Summary: By using lemon extract, metal oxides and nanocomposites were successfully synthesized, showing excellent photocatalytic degradation performance and structural optical properties.

ENVIRONMENTAL RESEARCH (2021)

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Article Environmental Sciences

Recent progress in g-C3N4, TiO2 and ZnO based photocatalysts for dye degradation: Strategies to improve photocatalytic activity

Meena Nemiwal et al.

Summary: The review discusses the issue of water contamination by dyes and explores the potential solution using semiconductor-assisted materials and renewable solar energy. By developing semiconductor composite and heterojunction systems, the efficiency and stability of photocatalysts have been enhanced.

SCIENCE OF THE TOTAL ENVIRONMENT (2021)

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Article Chemistry, Physical

Synergistic effect of B-TiO2 and MIL-100(Fe) for high-efficiency photocatalysis in methylene blue degradation

Lu Liu et al.

Summary: The novel and high-efficiency photocatalyst B-TiO2/MIL-100(Fe) composite significantly improves the treatment efficiency of dye wastewater by enhancing the photocatalytic efficiency of B-TiO2 and promoting the photo-Fenton reaction of MIL-100(Fe). The mineralization efficiency of methylene blue (MB) is slightly lower than the photocatalytic efficiency, but still over 77.25%.

APPLIED SURFACE SCIENCE (2021)

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Article Energy & Fuels

Noble-Metal-Free Bi/g-C3N4 Nanohybrids for Efficient Photocatalytic CO2 Reduction under Simulated Irradiation

Jing-wen Gu et al.

Summary: Novel Schottky-junction photocatalysts Bi-metal-deposited g-C3N4 were constructed via a one-step solvothermal process for photocatalytic CO2 reduction, showing extreme activity and excellent stability. The enhancement in photocatalytic performance can be attributed to the increased photon absorption capacity and decreased recombination rate of photoinduced carriers in the system.

ENERGY & FUELS (2021)

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Review Environmental Sciences

Recent progress on Ag/TiO2 photocatalysts: photocatalytic and bactericidal behaviors

Hanane Chakhtouna et al.

Summary: Doping silver nanoparticles into titanium dioxide semiconductor is an effective strategy to enhance its photocatalytic activity, prevent recombination of electron/hole pairs, and improve bactericidal performance.

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH (2021)

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Article Optics

Lactuca sativa leaf extract concentration optimization using evolutionary strategy as photosensitizer for TiO2-filmed Gratzel cell

Ronnie Concepcion et al.

Summary: The optimal combination of chlorophyll a and anthocyanin concentrated dyes extracted from Lactuca sativa var. Altima and Rania were determined using evolutionary computing with genetic algorithm and evolutionary strategy. The combination resulted in significantly increased efficiency and enhanced photon energy utilization, with no new bond or reaction formed by the pigments in the ES-based solar cell.

OPTIK (2021)

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Article Chemistry, Multidisciplinary

Red Phosphorus Decorated TiO2 Nanorod Mediated Photodynamic and Photothermal Therapy for Renal Cell Carcinoma

Chengyu Yang et al.

Summary: This study developed TiO2@RP NRs as a photosensitizer for the synchronous PDT and PTT treatments for ccRCC and demonstrated their feasibility and effectiveness through in vitro and in vivo experiments. TiO2@RP NRs were shown to efficiently kill ccRCC cells under NIR irradiation while causing minimal damage to normal kidney cells, highlighting a promising photo-driven therapy for kidney cancer.

SMALL (2021)

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Review Chemistry, Physical

Three-dimensional ordered macroporous materials for photocatalysis: design and applications

Fushan Wen et al.

Summary: Photocatalysis using 3D nanostructures, especially three-dimensionally ordered macroporous (3DOM) materials, shows great promise in addressing carbon emissions and energy challenges. The design method of 3DOM materials plays a crucial role in determining their photocatalytic abilities, which are essential for applications in pollutants degradation, water splitting, and carbon dioxide reduction. The ongoing progresses in fabrication and applications of 3DOM materials in photocatalysis are summarized and reviewed comprehensively, along with discussions on their unique advantages and proposed mechanisms in photocatalytic processes.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

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Article Chemistry, Physical