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Plastic waste entering the environment through landfilling or improper disposal poses substantial risks to ecosystems and human health. Photoreforming is emerging as a clean photocatalytic technology that degrades plastic waste to organic…

Materials Science · Physics 2024-08-21 Thanh Tam Nguyen , Kaveh Edalati

Ceramics are typically brittle at ambient conditions due to their covalent or ionic bonding and limited dislocation activities. While plasticity, and occasionally superplasticity, can be achieved in ceramics at high temperatures through…

CO$_2$ photoreduction on photocatalysts is a nature-friendly solution to decrease the CO$_2$ amount, but the method still has low efficiency because of difficult separation and easy recombination of charge carriers in available catalysts.…

High-entropy alloys and ceramics containing at least five principal elements have recently received high attention for various mechanical and functional applications. The application of severe plastic deformation (SPD), particularly the…

Materials Science · Physics 2023-09-19 Parisa Edalati , Masayoshi Fuji , Kaveh Edalati

Converting CO$_2$ to useful compounds through the solar photocatalytic reduction has been one of the most promising strategies for artificial carbon recycling. The highly relevant photocatalytic substrate for CO$_2$ conversion has been the…

Chemical Physics · Physics 2015-05-28 Shijing Tan , Yan Zhao , Jin Zhao , Zhuo Wang , Chuanxu Ma , Aidi Zhao , Bing Wang , Yi Luo , Jinlong Yang , Jianguo Hou

Simultaneous catalytic hydrogen (H2) production and plastic waste degradation under light, known as photoreforming, is a novel approach to green fuel production and efficient waste management. Here, we use a high-entropy oxide (HEO), a new…

Materials Science · Physics 2024-12-03 Thanh Tam Nguyen , Kaveh Edalati

The increase in anthropogenic carbon dioxide (CO$_2$) emissions has exacerbated the deterioration of the global environment, which should be controlled to achieve carbon neutrality. Central to the core goal of achieving carbon neutrality is…

Chemical Physics · Physics 2022-06-14 Huabin Zhang , Xiaofei Zhang

The photochemical CO2 reduction reaction represents a zero-carbon pathway for converting CO2 into value-added chemicals, yet its industrial implementation has been constrained by low selectivity and product diversity. Dirac nodal arc…

Materials Science · Physics 2026-02-23 Kangwang Wang , Jie Zhan , Jun Liu , Zaichen Xiang , Wanyi Zhang , Lingyong Zeng , Kai Yan , Yan Sun , Huixia Luo

Photoreforming is a sustainable photocatalytic process that degrades plastic waste while simultaneously producing hydrogen (H2) from water. However, this process has received limited attention due to the scarcity of effective catalysts…

Materials Science · Physics 2024-12-03 Thanh Tam Nguyen , Kaveh Edalati

High-entropy oxides (HEOs), as a new family of materials with five or more principal cations, have shown promising properties for various applications. In this work and inspired by inherent defective and strained structure of HEOs,…

Magnesium and its alloys are the most investigated materials for solid-state hydrogen storage in the form of metal hydrides, but there are still unresolved problems with the kinetics and thermodynamics of hydrogenation and dehydrogenation…

Cadmium sulfide (CdS) is a well-known low-bandgap photocatalyst, but its efficiency is often hindered by rapid photo-generated carrier recombination and a limited number of active catalytic sites. To overcome these challenges, this study…

CO2 hydrogenation to hydrocarbon refers to an indirect pathway of CO2 utilization. Among them, the conversion of CO2 with green H2 to sustainable aviation fuel (SAF) with high energy density has gained much attention. It offers a promising…

Chemical Physics · Physics 2024-08-13 Shan Ruiqin , MA Shengwei , Nguyen Van Bo , Kang Chang Wei , Lim Teck-Bin Arthur

The photoconversion of CO$_2$ to hydrocarbons is a sustainable route to its transformation into value-added compounds and, thereby, crucial to mitigating the energy and climate crises. CuPt nanoparticles on TiO$_2$ surfaces have been…

Novel photoelectrocatalysts that use sunlight to power the CO$_2$ reduction reaction will be crucial for carbon-neutral power and energy-efficient industrial processes. Scalable photoelectrocatalysts must satisfy a stringent set of…

Plasma processes are an innovative approach for the decomposition of CO2 in O radicals and CO as a valuable carbon source. In this experimental work, a tubular dielectric barrier discharge operating at atmospheric pressure has been used to…

Instrumentation and Detectors · Physics 2016-05-17 Alp Ozkan , Thierry Dufour , Tiago Silva , Nikolay Britun , Rony Snyders , Annemie Bogaerts , François Reniers

Photocatalytic CO2 reduction is limited by inefficient CO2 activation and poor solar spectrum utilization. Here, we discovered and revealed the vibration coupling mechanism among photons, phonons, and molecules, which remarkably enhances…

Materials Science · Physics 2025-08-28 Chen Sun , Yimin Xuan

Photocatalytic CO2 conversion is a clean technology to deal with CO2 emissions, and titanium oxide (TiO2) polymorphs are the most investigated photocatalysts for such an application. In this study, black TiO2 brookite is produced by a…

Due to the energy supply pressure caused by non-renewable fuels as well as the environment-related issues, the efficient conversion of solar-chemical energy via photo-induced water splitting is one of the promising strategies to address the…

Chemical Physics · Physics 2021-03-23 Zhexu Xi

The clean production of hydrogen as a zero-emission fuel can be done using photocatalysis, with TiO2 being one of the most promising photocatalysts. However, the activity of TiO2 anatase and rutile phases is still limited. In this study, an…

Materials Science · Physics 2025-08-19 Jacqueline Hidalgo-Jimenez , Taner Akbay , Tatsumi Ishihara , Kaveh Edalati
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