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Materials that may produce an electron/hole pair at the photocatalyst level, so converting an incident photon into a useful or storable energy source, are categorized as photocatalytic materials. Generally speaking, a photocatalyst is a type of catalyst that absorbs photons to display its catalytic qualities when exposed to light.
Photocatalytic and photoelectrochemical processes are two key systems in harvesting sunlight for energy and environmental applications. As both systems are employing photoactive semiconductors as the major active component, strategies have been formulated to improve the properties of the semiconductors for better performances.
Photoelectrocatalyst materials catalyze chemical reactions using solar light and an electric field. They have garnered interest due to their potential for sustainable energy conversion and environmental applications. Photoelectrocatalysts have demonstrated moderate magnetic properties, making them potential candidates for practical applications.
1. Introduction This Special Issue, titled “Photocatalytic Materials and Photocatalytic Reactions”, focuses on designing advanced photocatalysts, understanding their structure-dependent properties, and seeking to exploit them in the fields of energy conversion, pollutant degradation, artificial photosynthesis, organic synthesis, etc.
1. 2. 3. Photoelectrolytic cells (photoelectrocatalytic hydrogen generation). Moreover, photoelectrocatalysis (PEC) has attracted more and more attention to oxidizing organic pollutants. It has exhibited greater potential as compared to individual photocatalysis and electrooxidation processes.
Types of photocatalytic materials and process Most often employed There are two types of photocatalytic processes: photocatalysis, which uses light to initiate a chemical reaction on a catalyst's surface, has attracted a lot of attention because it may be used to produce value-added compounds, clean up the environment, and convert energy.
Real-World Implementations Across Diverse Sectors
By converting photo-energy into electrical energy or vice versa, photoelectric materials play a critical role in various applications, for instance, solar cells, light-emitting devices, photocatalytic material and photodetectors, etc. Focusing on …
Get Price >>For the purpose of effective light absorption, charge separation, and charge transfer, a large number of photocatalytic materials, including conventional semiconductors and emerging …
Get Price >>Photocatalytic and photoelectrochemical processes are two key systems in harvesting sunlight for energy and environmental applications. As …
Get Price >>One-dimensional TiO 2, ZnO, and Fe 2 O 3 nanorod arrays are selected as the photocatalytic methanol fuel cell photoanodes, and a greenhouse catalytic methanol fuel cell device is designed. With the photo-generated holes'' participation in fuel molecules'' oxidation in the semiconductor electrode, chemical energy is converted into electric energy.
Get Price >>Metal halide perovskites, emerging innovative and promising semiconductor materials with notable properties, have been a great success in the optoelectronic and …
Get Price >>Photocatalytic fuel cells (PFCs) are considered the next generation of energy converter devices, since they can harvest solar energy through relatively low-cost semiconductor material to convert the chemical …
Get Price >>Abstract. In recent years, photocatalytic microbial fuel cells have gradually become a hot research topic in pollutant treatment, using either in situ or indirectly the oxidation of organic pollutants by catalytic materials under light and the biodegradation and mineralization of various components in wastewater by microorganisms, or through the generation of electricity by the microbial fuel ...
Get Price >>We analyse the photophysical and physico-chemical concepts that govern the photocatalytic performance of these materials, and derive design principles and possible future …
Get Price >>These are polymer photoelectric materials with metallic or semiconductive electric properties, concomitant with the processability and mechanical properties of polymers. ... which is beneficial for the transfer of photo-generated electron-hole pairs on the photocatalytic semiconductor ... Photovoltaic cells made of inorganic materials deposited ...
Get Price >>Photocatalytic oxidation has been widely investigated and applied to perform degradation of organic pollutants in water and air. In recent technological advancement, photocatalysis (PC) is integrated into fuel cell (FC) to form photocatalytic fuel cell (PFC) for simultaneous wastewater treatment and production of electricity.
Get Price >>These works reinforced the feasibility of decomposing environmentally hazardous materials and, at the same time, producing electricity and clean fuels [46,47].
Get Price >>The article is organized in the following ways. We start with basic principles that govern photosynthesis and then move on to introduce the historical view of photocatalysis. Existing …
Get Price >>In general, dye-sensitized heterojunction cells offer great flexibility because the light absorber and charge-transport material can be selected independently to obtain optimal …
Get Price >>The realization of ternary alloys by atomic substitution of two-dimensional (2D) transition metal dichalcogenides (TMDs) is an effective solution to modulate the optoelectronic properties of 2D materials. The MoxW1-xS2 and MoS2xSe2(1-x) (0 ≤ x ≤ 1) alloys with high stability are established and their electronic, optical and photocatalytic performances are systematically …
Get Price >>This strategy promotes the short-circuit current and the eventual photoelectric conversion efficiency of the devices, and it is widely used in devices with photoactive layer containing …
Get Price >>The extensive use of fossil fuels has sped up the global development of the world economy and is accompanied by significant problems, such as energy shortages and environmental pollution. Solar energy, an …
Get Price >>On the other hand, Pt is a noble metal and is expensive therefore photocatalytic materials like electrodes with photocatalytic properties have been developed. ... Techniques like MFC coupled with photocatalytic and photoelectric cells employing microalgae at cathode or anode (only electrogenic microalgae) can be an economical way to harvest ...
Get Price >>In this chapter, we briefly summarize recent progress in the binary oxide system (including TiO2 and α-Fe2O3), ternary oxide (Bi system), and the semiconducting materials …
Get Price >>Novel Methods to Study Interfacial Layers. Futao Kaneko, ... Takashi Wakamatsu, in Studies in Interface Science, 2001. 1 Introduction. Recently, organic materials have been attracting a lot of attention for their variety of functions, such as non-liner optics, luminescence, photoelectric effect and so on [1].Several researches of organic photoelectric cells have been reported [2-4].
Get Price >>To broaden the light response of photocatalytic materials, the search for semiconductor materials with visible and infrared (IR) light response, suitable band gaps and band-edge locations …
Get Price >>Owing to their remarkable success in photocatalytic applications, multiferroic BiFeO3 and its derivatives have gained a highly promising position as electrode materials …
Get Price >>This Special Issue, titled "Photocatalytic Materials and Photocatalytic Reactions", focuses on designing advanced photocatalysts, understanding their structure …
Get Price >>The work provides a valuable theoretical guidance for TMDs materials application in photoelectric devices and indicates that the Mo x W 1-x S 2 and MoS 2x Se 2(1-x) alloys exhibit great application potential in photocatalytic water splitting.
Get Price >>Recent trends in photoelectric functional materials and devices research include photoelectrocatalysis materials, solar cells, solar photocatalytic degradation, energy storage devices (batteries …
Get Price >>The realization of ternary alloys by atomic substitution of two-dimensional (2D) transition metal dichalcogenides (TMDs) is an effective solution to modulate the optoelectronic properties of 2D materials.The Mo x W 1-x S 2 and MoS 2x Se 2(1-x) (0 ≤ x ≤ 1) alloys with high stability are established and their electronic, optical and photocatalytic performances are …
Get Price >>S-doped g-C3N4/TiO2 nanoparticle composites (TCNS) were generated by successfully calcinating a compound of thiourea and TiO2 at 550 °C; these composites serve as a promising photoanode material for dye-sensitized solar cells (DSSCs) with improved efficiency. TEM, HRTEM, XRD, UV–Vis and FTIR results showed that the surfaces of TiO2 nanoparticles …
Get Price >>One-dimensional TiO2, ZnO, and Fe2O3 nanorod arrays are selected as the photocatalytic methanol fuel cell photoanodes, and a greenhouse catalytic methanol fuel cell device is designed. With the photo-generated holes'' participation in fuel molecules'' oxidation in the semiconductor electrode, chemical energy is converted into electric energy. Firstly, with pot-doped tin dioxide …
Get Price >>Photoelectrocatalyst materials catalyze chemical reactions using solar light and an electric field. They have garnered interest due to their potential for sustainable energy …
Get Price >>Bismuth (Bi) oxides are widely used for preparing ceramics in electronic components, high-temperature superconductors, electrolytes, and materials used in photoelectric conversion [57, 82]. Among Bi-based oxides, Bi 2 O 3 has unique properties, making it an exciting option for utilization as a photocatalyst in photocatalytic solar energy conversion.
Get Price >>In this study, a graphene-based dual-photoelectrode photocatalytic fuel cell (PFC) system, incorporating n-type ZnO photoanode and p-type Cu 2 O photocathode, has been meticulously designed and fabricated to achieve concurrent organic pollutant decomposition and electricity production. The rGO-ZnO｜rGO-Cu 2 O PFC system displayed superior photoelectrocatalytic …
Get Price >>Photoelectrocatalysis (integration of electrochemistry and photocatalytic technology) involves a photocatalytic system to which an external positive bias is applied, which can significantly …
Get Price >>4 · Recently, considerable research has focused on introducing various types of photoelectric materials into anammox systems, in order to enhance the metabolic activity of slow-growing anammox biomass [8].Photoelectric materials refer to a class of materials that can generate photoelectric effects under the excitation of visible light or electric field, which are …
Get Price >>The strategic development of efficient photocatalysts and photocatalytic reaction technologies is crucial for coping with the challenges of photocatalysis in practical …
Get Price >>As the photovoltaic (PV) industry continues to evolve, advancements in Photoelectric materials photocatalytic cells have become essential for optimizing the use of renewable energy sources. From innovative battery technologies to smart energy management systems, these solutions are transforming how we store and distribute electricity generated from solar energy.
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