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Effect of uncompensated Ga-V co-doping on structural phase transition, grain growth process and optical properties of TiO2 is reported here. Inhibition of phase transition due to co-doping is confirmed by X-ray diffraction measurement.…

To enhance the activity of photocatalysts for hydrogen production and CO2 conversion, noble metal cocatalysts as electron traps and/or acceptors such as platinum or gold are usually utilized. This study hypothesizes that mixing elements…

Materials Science · Physics 2025-01-17 Jacqueline Hidalgo-Jiménez , Taner Akbay , Xavier Sauvage , Tatsumi Ishihara , Kaveh Edalati

This study is carried out using first principles density functional theory calculations within gpaw code. Atomic size effect is analyzed and investigated by doping either Li, Cs or both on Barium doped BiFeO$_3$ (BFO) which belongs to…

Materials Science · Physics 2022-05-20 Tewodros Eyob , Kenate Nemera , Lemi Demeyu

We report the synthesis of bell-shaped Bi/Bi13S18Br2 metal/semiconductor heterostructures as a photocatalyst based on non-toxic and Earth-abundant elements. Their unique morphology arises from a multi-step growth process, involving 1) the…

TiO$_2$ anatase has its significant importance in energy and environmental research. However, the major drawback of this immensely popular semi-conductor is its large bandgap of 3.2 eV. Several non-metals have been doped experimentally for…

Materials Science · Physics 2020-02-25 Pooja Basera , Shikha Saini , Saswata Bhattacharya

To realize the creation of advanced multifunctional materials in energy storage and conversion technologies, the present research evaluates the structural, electronic, magnetic, thermodynamic, mechanical, thermoelectric, piezoelectric and…

Photocatalysts are crucial materials for green energy production and environmental purification. Non-metal doped graphitic carbon nitride (g-C3N4) has attracted much attention in recent years because of low-cost and desired photocatalytic…

Chemical Physics · Physics 2020-02-19 Tzu-Jen Lin

BiVO3F is a promising material used in solar energy conversion systems. Here, we first report the calculated structural, electronic, and surface reaction properties using PBE and hybrid density functionals. We found it is a direct band gap…

Materials Science · Physics 2021-06-25 Taifeng Liu* , Tongling Liu , Yongqiang Zheng

Increasing the efficiency of charge transfer and separation efficiency of photogenerated carriers are still the main challenges in the field of semiconductor-based photocatalysts. Herein, we synthesized g-C3N4@V2C MXene photocatalyst by…

Materials Science · Physics 2023-10-26 Ruizheng Xu , Guiyu Wei , Zhemin Xie , Sijie Diao , Jianfeng Wen , Tao Tang , Li Jiang , Ming Li , Guanghui Hu

High throughput theoretical methods are increasingly used to identify promising photocatalytic materials for hydrogen generation from water as a clean source of energy. While most promising water splitting candidates require co-catalyst…

Materials Science · Physics 2022-02-14 Huaiyu , Wang , Rebecca Katz , Julian Fanghanel , Raymond E. Schaak , Venkatraman Gopalan

Bismuth ferrite, BiFeO3, is a multiferroic solid that is attracting increasing attention as a potential photocatalytic material, because the ferroelectric polarisation enhances the separation of photogenerated carriers. With the motivation…

Materials Science · Physics 2022-08-05 Shivani Grover , Keith T. Butler , Umesh V Waghmare , Ricardo Grau-Crespo

In this paper, Ni-doped ZnO films were grown on a p-type silicon substrate via spray pyrolysis. The Ni dopant concentrations were varied by adjusting the weight ratio between Zinc Acetate Dehydrate (ZAD) and Nickel Chloride Hexahydrate…

Materials Science · Physics 2025-09-25 Eka Nurfani , Aldi Saputra , Novalia Pertiwi , Muhamad F. Arif

Solar-driven water electrolysis requires high-performance photoelectrodes that exhibit excellent photoabsorption, superior charge transport, and optimized thermal management. In this work, we conducted a first-principles investigation to…

Chemical Physics · Physics 2025-08-22 Abdul Ahad Mamun , Muhammad Anisuzzaman Talukder

TiO2 is a wide band-gap semiconductor that has been intensively investigated for photocatalysis and water-spiting. However, weak light absorption in the visible region of the spectrum poses stringent limitation to its practical application.…

Materials Science · Physics 2023-02-07 Fernando P. Sabino , Anderson Janotti

Low-dimensional transition metal dichalcogenides (TMDC) exhibit great photocatalytic performance and tunability. In this work, using first-principles simulations based on density functional theory (DFT), we demonstrate that external…

Materials Science · Physics 2022-10-06 Zhao Liu , Biao Wang , Claudio Cazorla

In this investigation, we have synthesized BiFeO$_{3}$ nanoparticles by varying hydrothermal reaction temperatures from 200 $^{\circ}$C to 120 $^{\circ}$C to assess their visible-light-driven photocatalytic activity along with their…

Materials Science · Physics 2022-02-08 M. A. Basith , Nilufar Yesmin , Rana Hossain

Graphene-based nanostructures with distinct structural and physicochemical characteristics may be able to photodegrade antibiotics effectively. Herein, this study reports the successful synthesis of NiFe2O4/CeO2/GO nanocomposite (NC) by…

Recently, hydrogen generation by water-splitting photocatalysts is attracting attention as a sustainable and clean energy resource. Photocatalytic hydrogen-generation systems are much simpler, cheaper, and easier to scale up than the…

Chemical Physics · Physics 2022-06-28 Tatsuo Suzuki

Photocatalytic materials are pivotal for the implementation of disruptive clean energy applications such as conversion of H$_{2}$O and CO$_{2}$ into fuels and chemicals driven by solar energy. However, efficient and cost-effective materials…

Materials Science · Physics 2019-09-04 Zhao Liu , Joel Shenoy , Cesar Menéndez , Judy N. Hart , Charles C. Sorrell , Claudio Cazorla

A well-established procedure for the photoelectrochemical (PEC) splitting of water relies on using porous electrodes of WO3 sensitized with BiVO4 as a visible scavenger photoanode semiconductor. In this work, we propose an evolved…