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Related papers: Single-atom catalysts boost nitrogen electroreduct…

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Direct real time studies of reacting individual atoms in technologically important gold and platinum nanocatalysts in controlled reducing and oxidising gas environments and operating temperatures using novel environmental scanning…

Chemical Physics · Physics 2017-05-24 Pratibha Gai , Leonardo Lari , Michael Ward , Edward Boyes

Heterogeneous catalysts are the most important catalysts in industrial reactions. Nanocatalysts, with size ranging from hundreds of nanometers to the atomic scale, possess activities that are closely connected to their structural…

Materials Science · Physics 2018-06-13 Yong Zhu , Mingquan Xu , Wu Zhou

One of the great challenges facing atomically dispersed catalysts, including single-atom catalyst (SAC) and double-atom catalyst (DAC) is their ultra-low metal loading (typically less than 5 wt%), basically limiting the practical catalytic…

Materials Science · Physics 2023-05-05 Peng Lv , Wenjing Lv , Donghai Wu , Gang Tang , Xunwang Yan , Zhansheng Lu , Dongwei Ma

Photocatalytic nitrogen reduction is the promising way for ammonia production, the question now is that the search of highly active and low active catalysts. Based on the first-principles calculation, single boron atom is anchored on the…

Materials Science · Physics 2019-10-21 Hao-Ran Zhu , Shi-Hao Wei , Da-Yin Hua

The catalytic activities of high-spin small Fe(III) oxides have been investigated for efficient hydrogen production through ammonia decomposition, using the Artificial Force Induced Reaction (AFIR) method within the framework of density…

Atomic and Molecular Clusters · Physics 2024-10-01 Sapajan Ibragimov , Andrey Lyalin , Sonu Kumar , Yuriko Ono , Tetsuya Taketsugu , Maciej Bobrowski

The catalyst development for N2 electroreduction reaction (NRR) with low onset potential and high Faradaic efficiency is highly desired, but remains challenging. Machine learning (ML) recently emerged as a complementary tool to accelerate…

Materials Science · Physics 2019-03-28 Myungjoon Kim , Byung Chul Yeo , Sang Soo Han , Donghun Kim

In this study, we address the significant challenge of overcoming limitations in catalytic efficiency for the oxygen evolution reaction (OER). The current linear scaling relationships hinder the optimization of electrocatalytic performance.…

Materials Science · Physics 2023-06-06 Swetarekha Ram , Gwan Hyun Choi , Albert S. Lee , Seung-Cheol Lee , Satadeep Bhattacharjee

Ammonia (NH3) is a zero-carbon fuel that has been receiving increasing attention for power generation and even transportation. Compared to H2, NH3's volumetric energy density is higher, is not as explosive, and has well established…

Fluid Dynamics · Physics 2025-10-30 Hernando Maldonado Colmán , Michael E. Mueller

Two-dimensional (2D) heterostructuring is a versatile methodology for designing nanoarchitecture catalytic systems that allow for reconstruction and modulation of interfaces and electronic structures. However, catalysts with such structures…

Electrode-potential-induced dynamic coordination is an essential factor governing the performance of graphene-embedded single-atom catalysts (SACs). While previous studies have primarily centered on structural dynamics at the metal site,…

Materials Science · Physics 2026-02-05 Jiahang Li , Suhang Li , Chong Yan , Qinzhuang Liu , Jiajun Yu , Dongwei Ma

We present a density functional theory study of the oxygen reduction reaction (ORR) on a single atom catalyst embedded in graphene, namely, TM-N$_{4}$-C (TM = Fe and Co), using the effective screening medium method combined with the…

Materials Science · Physics 2024-02-28 Azim Fitri Zainul Abidin , Ikutaro Hamada

Electrocatalysts for the oxygen reduction reaction (ORR) based on complexes of iron and nitrogen in a carbon matrix (Fe-N-C) are a promising alternative to platinum group metal (PGM) based catalysts in polymer electrolyte membrane (PEM)…

Materials Science · Physics 2019-11-11 Yun Xu , Michael J. Dzara , Sadia Kabir , Svitlana Pylypenko , Kenneth Neyerlin , Andriy Zakutayev

Amorphous solid-state electrolytes (SSEs) hold great promise for advancing the application of all-solid-state batteries (ASSBs), owing to their favorable ionic conductivity, structural tunability, and promising electrochemical performance.…

In this report, the preparation of Fe-carbon nitride (CN)-based electrocatalysts (ECs) with a 'core-shell' morphology for the oxygen reduction reaction (ORR) is described. The ECs consist of spherical XC-72R carbon nanoparticles, the…

The successful synthesis of high entropy alloy (HEA) nanoparticles, a long-sought goal in materials science, opens a new frontier in materials science with applications across catalysis, electronics, structural alloys, and energetic…

Materials Science · Physics 2021-05-27 Wissam A. Saidi , Waseem Shadid , Götz Veser

Plasma Assisted Combustion (PAC) is a promising technology to enhance the combustion of lean mixtures prone to instabilities and flame blow-off. Although many PAC experiments demonstrated combustion enhancement, several studies report an…

The efficient and cost-effective conversion of nitro compounds to amines is crucial for industrial processes and environmental remediation, highlighting the growing demand for earth-abundant metal-based catalysts. In this study, magnetic…

Chemical Physics · Physics 2025-12-24 Anjali Varshney , Ritesh Dubey , Sushil Kumar , Tapas Goswami , Samar Layek

Pt-based electrocatalysts are the primary choice for fuel cells due to their superior oxygen reduction reaction (ORR) activity. To enhance ORR performance and durability, extensive studies have investigated transition metal alloying,…

Single-atom catalysts (SACs) are rapidly developing in various application areas, including electrocatalysis of different reactions, usually taking place under harsh pH-electrode potential conditions. Thus, a full atomic-level understanding…

Materials Science · Physics 2021-11-30 Ana S. Dobrota , Natalia V. Skorodumova , Slavko V. Mentus , Igor A. Pašti

The pursuit of enhanced nuclear safety has spurred the development of accident-tolerant cladding (ATC) materials for light water reactors (LWRs). This study investigates the potential of repurposing these ATCs in advanced reactor designs,…

Instrumentation and Detectors · Physics 2025-03-20 Alex Foutch , Kazuma Kobayashi , Ayodeji Alajo , Dinesh Kumar , Syed Bahauddin Alam