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Heterogeneous catalysts consisting of supported metallic nanoparticles typically derive exceptional catalytic activity from their large proportion of under-coordinated surface sites which promote adsorption of reactant molecules.…

Materials Science · Physics 2022-10-03 James P. Horwath , Colin Lehman-Chong , Aleksandra Vojvodic , Eric A. Stach

Single-atom metal alloy catalysts (SAACs) have recently become a very active new frontier in catalysis research. The simultaneous optimization of both facile dissociation of reactants and a balanced strength of intermediates' binding make…

Materials Science · Physics 2021-04-14 Zhong-Kang Han , Debalaya Sarker , Runhai Ouyang , Yi Gao , Sergey V. Levchenko

We present a precise and general method to map the activity of electrocatalysts across multiple sites. Starting from a mean-field statistical mechanics model, we introduce an effective adsorption free energy descriptor that explicitly…

Materials Science · Physics 2026-05-05 A. Dana , D. Terrones , S. Gelin , I. Dabo

Developing advanced catalysts for acidic oxygen evolution reaction (OER) is crucial for sustainable hydrogen production. This study introduces a novel, multi-stage machine learning (ML) approach to streamline the discovery and optimization…

Materials Science · Physics 2024-07-09 Rui Ding , Jianguo Liu , Kang Hua , Xuebin Wang , Xiaoben Zhang , Minhua Shao , Yuxin Chen , Junhong Chen

Catalysis, particularly heterogeneous catalysis, is crucial in the chemical industry and energy storage. Approximately 80% of all chemical products produced by heterogeneous catalysis are produced by solid catalysts, which are essential for…

Materials Science · Physics 2025-03-25 Lukas Fuchs , Kerstin Wein , Jens Friedland , Orkun Furat , Robert Güttel , Volker Schmidt

Catalyst design is crucial for materials synthesis, especially for complex reaction networks. Strategies like collaborative catalytic systems and multifunctional catalysts are effective but face challenges at the nanoscale. Carbon nanotube…

Materials Science · Physics 2025-12-19 Liu Qian , Yue Li , Ying Xie , Jian Zhang , Pai Li , Yue Yu , Zhe Liu , Feng Ding , Jin Zhang

The mechanical properties of complex concentrated alloys (CCAs) depend on their forming phases and corresponding structures, the prediction of the phase formation for a given CCA is essential to its discovery and applications. 541 sample…

Applied Physics · Physics 2025-11-07 Jie Xiong , San-Qiang Shi , Tong-Yi Zhang

We propose machine learning (ML) models to predict the electron density -- the fundamental unknown of a material's ground state -- across the composition space of concentrated alloys. From this, other physical properties can be inferred,…

Over the past decade, extensive research into single-atom catalysts (SACs) has revealed that the catalytic behavior of metal adatoms is highly dependent on how they interact with their support. A strong dependence on the local coordination…

Materials Science · Physics 2025-01-09 Gareth S. Parkinson

Surface wettability, governed by both topography and chemistry, plays a critical role in applications such as heat transfer, lubrication, microfluidics, and surface coatings. In this study, we present a machine learning (ML) framework…

A comprehensive uncertainty quantification framework has been developed for integrating computational and experimental kinetic data and to identify active sites and reaction mechanisms in catalysis. Three hypotheses regarding the active…

Chemical Physics · Physics 2017-10-11 Eric A. Walker , Donald Mitchell , Gabriel A. Terejanu , Andreas Heyden

Two-dimensional transition metal-dichalcogenides are emerging as efficient and cost-effective electrocatalysts for hydrogen evolution reaction (HER). However, only the edge sites of their trigonal prismatic phase show HER-electrocatalytic…

Understanding how the local environment of a single-atom catalyst affects stability and reactivity remains a significant challenge. We present an in-depth study of Cu1, Ag1, Au1, Ni1, Pd1, Pt1, Rh1, and Ir1 species on Fe3O4(001); a model…

Catalytic-materials design requires predictive modeling of the interaction between catalyst and reactants. This is challenging due to the complexity and diversity of structure-property relationships across the chemical space. Here, we…

The discovery of new energetic materials is critical for advancing technologies from defense to private industry. However, experimental approaches remain slow and expensive while computational alternatives require accurate material property…

Machine learning is ideally suited for the pattern detection in large uniform datasets, but consistent experimental datasets on catalyst studies are often small. Here we demonstrate how a combination of machine learning and first-principles…

Materials Science · Physics 2020-08-05 Nongnuch Artrith , Zhexi Lin , Jingguang G. Chen

Area-selective atomic layer deposition (AS-ALD) is an emerging technology in semiconductor manufacturing. However, accurately understanding inhibitor reactivity on surfaces remains challenging, particularly when the substrate is amorphous.…

Materials Science · Physics 2025-10-21 Gijin Kim , Purun-hanul Kim , Suk Gyu Hahm , Myongjong Kwon , Byungha Park , Changho Hong , Seungwu Han

The mechanistic underpinnings of asymmetric catalysis at atomic levels provide shortcuts for developing the potential value of chiral catalysts beyond the current state-of-the-art. In the enantioselective redox transformations, the present…

Chemical Physics · Physics 2021-03-29 Prema Dhorma Lama , Surendra Kumar , Kang Kim , Sangjin Ahn , Mi-hyun Kim

High-entropy alloys (HEAs) are metallic materials with solid solutions stabilized by high mixing entropy. Some exhibit excellent strength, often accompanied by additional properties such as magnetic, invar, corrosion, or cryogenic response.…

Materials Science · Physics 2024-09-26 Anurag Bajpai , Ziyuan Rao , Abhinav Dixit , Krishanu Biswas , Dierk Raabe

Active, selective and stable catalysts are imperative for sustainable energy conversion, and engineering materials with such properties are highly desired. High-entropy alloys (HEAs) offer a vast compositional space for tuning such…