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Single-atom catalysts (SACs) combine the best of two worlds by bridging heterogeneous and homogeneous catalysis. The superior catalytic properties of SACs, however, can hardly be exploited without a suitable substrate. Here, we explore the…

Materials Science · Physics 2019-02-05 Qiang Fu , Claudia Draxl

Great enthusiasm in single atom catalysts (SACs) for the N2 reduction reaction (NRR) has been aroused by the discovery of Metal (M)-Nx as a promising catalytic center. However,the performance of available SACs,including poor activity and…

Materials Science · Physics 2020-09-15 Xingshuai Lv , Wei Wei , Baibiao Huang , Ying Dai , Thomas Frauenheim

M-N-C single-atom catalysts (SACs) have emerged as a potential substitute for the costly platinum-group catalysts in oxygen reduction reaction (ORR). However, several critical aspects of M-N-C SACs in ORR remain poorly understood, including…

Chemical Physics · Physics 2023-12-27 Di Zhang , Zhuyu Wang , Fangzhou Liu , Peiyun Yi , Linfa Peng , Yuan Chen , Li Wei , Hao Li

The field of single atom catalysis (SAC) has expanded greatly in recent years. While there has been much success developing new synthesis methods, a fundamental disconnect exists between most experiments and the theoretical computations…

Materials Science · Physics 2022-09-12 Florian Kraushofer , Gareth S. Parkinson

Single-atom catalysts have attracted significant attention due to their exceptional atomic utilization and high efficiency in a range of catalytic reactions. However, these systems often face thermodynamic instability, leading to…

Materials Science · Physics 2025-01-24 Lina Wang , Zhenhai Wen , Guangfu Luo

Catalysis has entered everyday life through a number of technological processes relying on different catalytic systems. The increasing demand for such systems requires rationalization of the use of their expensive components, like noble…

Materials Science · Physics 2019-10-29 A. S. Dobrota , I. A. Pašti , A. Z. Jovanović , B. Johansson , N. V. Skorodumova

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

In recent years, single-atom catalysts attracted lots of attention because of their high catalytic activity, selectivity, stability, maximum atom utilization, exceptional performance, and low cost. Single-atom catalyst contains isolated…

Materials Science · Physics 2021-04-16 Deepak Kumar Rai

A major bottleneck in the fabrication of efficient bio-organic nanoelectronic devices resides in the strong charge recombination that is present at the different interfaces forming the complex system. An efficient way to overcome this…

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

In order to estimate the reactivity of a large number of potentially complex heterogeneous catalysts while searching for novel and more efficient materials, physical as well as data-centric models have been developed for a faster evaluation…

Materials Science · Physics 2021-06-28 Lucas Foppa , Luca M. Ghiringhelli

We investigate the adsorption sites of $3d$ transition metal (TM) adatoms by means of low-temperature scanning tunneling microscopy and spectroscopy. Co and Ni adatoms were adsorbed on two types of graphene on SiC(0001), i.e. pristine…

Mesoscale and Nanoscale Physics · Physics 2013-11-21 T. Eelbo , M. Waśniowska , M. Gyamfi , S. Forti , U. Starke , R. Wiesendanger

Inter-site interactions between single atom catalysts (SACs) in the high loading regime are critical to tuning the catalytic performance. However, the understanding on such interactions and their distance dependent effects remains elusive,…

Chemical Physics · Physics 2022-01-19 Tong Yang , Jun Zhou , Xiaoyang Ma , Keda Ding , Kay Chen Tan , Ge Wang , Haitao Huang , Ming Yang

We systematically investigate the magnetic and electronic properties of graphene adsorbed with diluted 3d-transition and noble metal atoms using first principles calculation methods. We find that most transition metal atoms (i.e. Sc, Ti, V,…

Materials Science · Physics 2011-11-16 Jun Ding , Zhenhua Qiao , Wanxiang Feng , Yugui Yao , Qian Niu

Surface modification of TiO2 with single-atom catalysts (SACs) is an effective strategy for enhancing photocatalytic efficiency. However, thorough characterization of SACs at the atomic scale remains challenging. X-ray absorption…

Materials Science · Physics 2025-11-12 Yingying Li , David Morris , Peng Zhang

We investigate the electronic and magnetic properties of single Fe, Co, and Ni atoms and clusters on monolayer graphene (MLG) on SiC(0001) by means of scanning tunneling microscopy (STM), x-ray absorption spectroscopy, x-ray magnetic…

Mesoscale and Nanoscale Physics · Physics 2013-04-26 T. Eelbo , M. Waśniowska , P. Thakur , M. Gyamfi , B. Sachs , T. O. Wehling , S. Forti , U. Starke , C. Tieg , A. I. Lichtenstein , R. Wiesendanger

Copper is a good CO2 electroreduction catalyst as products beyond CO form, but efficiency and selectivity is low. Experiments have shown that admixture of other elements can help, and computational screening studies have pointed out various…

This study explores atomic and molecular adsorption on a number of early transition-metal carbides (TMC's) by means of density-functional theory calculations. Trend studies are conducted with respect to both period and group in the periodic…

Materials Science · Physics 2012-05-14 Aleksandra Vojvodic , Carlo Ruberto , Bengt I. Lundqvist

Three new phases of ternary transitional metal carbides, namely MAX phases, Nb4SiC3, Nb4GeC3 and Nb4GaC3 were proposed by means of density functional theory, and they were all predicted to be mechanically stable. It was figured out that the…

Materials Science · Physics 2015-09-15 Teng Yue , Baochang Wang , Weiwei Sun , Zhu Xiao-shuo , Feng Xiao-xue , Yan Mu-fu , Fu Yu-dong

Heterogeneous catalysts based on Single Atom Alloys (SAA) play a significant role in numerous technical processes. The fundamental working principles of these systems, however, remain poorly understood, especially the aspects related to the…