2019
DOI: 10.1021/acs.jpclett.9b00475
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Predicting Adsorption Properties of Catalytic Descriptors on Bimetallic Nanoalloys with Site-Specific Precision

Abstract: Bimetallic nanoparticles present a vastly tunable structural and compositional design space rendering them promising materials for catalytic and energy applications. Yet it remains an enduring challenge to efficiently screen candidate alloys with atomic level specificity while explicitly accounting for their inherent stabilities under reaction conditions. Herein, by leveraging correlations between binding energies of metal adsorption sites and metal–adsorbate complexes, we predict adsorption energies of typica… Show more

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Cited by 55 publications
(74 citation statements)
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“…Due to the difficulty of high-throughput screening, significant research has been devoted to developing efficient, parameterized models to predict adsorption energies and hence catalytic performance. [8][9][10][11][12][13][14][15] These models can achieve high accuracy, and have resulted in some successes in screening a particular alloy architecture for a particular reaction. However, past models have generally focused on predicting the adsorption energies of only one or two species, and hence are not applicable to a wide range of reactions.…”
Section: Introductionmentioning
confidence: 99%
“…Due to the difficulty of high-throughput screening, significant research has been devoted to developing efficient, parameterized models to predict adsorption energies and hence catalytic performance. [8][9][10][11][12][13][14][15] These models can achieve high accuracy, and have resulted in some successes in screening a particular alloy architecture for a particular reaction. However, past models have generally focused on predicting the adsorption energies of only one or two species, and hence are not applicable to a wide range of reactions.…”
Section: Introductionmentioning
confidence: 99%
“…Thus, the screening may be reduced to obtain the thermodynamics for the adsorbed species and couple them with linear-scaling relationships and microkinetic models to simulate operation conditions. The upgrade of biomass-derived molecules is often done by metals and alloys 1,13 , and lately attention has been drawn to the versatile properties of single-atom alloys (SAAs) and near-surface alloys (NSAs) 9,1422 . The number of combinations is again unlimited and some have shown an almost continuum of adsorption strengths 21 .…”
Section: Introductionmentioning
confidence: 99%
“…Further linear dependencies have been identified for heteroatoms belonging to the same group in the periodic table, i.e., P* scales with N* 33 . In addition, the accuracy of the above models can be improved by using site-specific adsorption rules 22,32 and the dependence on the local coordination of the adsorption sites 22,34,35 . In the particular case of very small nanoparticles, the activity modulation is linearly dependent with the local electrostatic potential 36 .…”
Section: Introductionmentioning
confidence: 99%
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“…[18][19][20] Machine learning is capable of identifying patterns in complicated multivariate data, and inferring relationships between structural features such as the type of GR defect, type of metal, and a functional property such as the binding energy. [19,[21][22][23][24] It has been successfully used to predict important properties of graphene in the past. [25][26][27] In cases such as these, the success and usefulness of machine learning models is heavily influenced by the choice of features used to describe the material.…”
Section: Introductionmentioning
confidence: 99%