1
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Li H, Dai S, Wu Y, Dong Q, Chen J, Chen HT, Hu A, Chou J, Chen T. Atomic Scaled Depth Correlation to the Oxygen Reduction Reaction Performance of Single Atom Ni Alloy to the NiO 2 Supported Pd Nanocrystal. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2207109. [PMID: 36752398 PMCID: PMC10104651 DOI: 10.1002/advs.202207109] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 01/11/2023] [Indexed: 06/18/2023]
Abstract
This study demonstrates the intercalation of single-atom Ni (NiSA ) substantially reduces the reaction activity of Ni oxide supported Pd nanoparticle (NiO2 /Pd) in the oxygen reduction reaction (ORR). The results indicate the transition states kinetically consolidate the adsorption energy for the chemisorbed O and OH species on the ORR activity. Notably, the NiO2 /Ni1 /Pd performs the optimum ORR behavior with the lowest barrier of 0.49 eV and moderate second-step barrier of 0.30 eV consequently confirming its utmost ORR performance. Through the stepwise cross-level demonstrations, a structure-Eads -ΔE correspondence for the proposed NiO2 /Nin /Pd systems is established. Most importantly, such a correspondence reveals that the electronic structure of heterogeneous catalysts can be significantly differed by the segregation of atomic clusters in different dimensions and locations. Besides, the doping-depth effect exploration of the NiSA in the NiO2 /Pd structure intrinsically elucidates that the Ni atom doping in the subsurface induces the most fruitful NiSA /PdML synergy combining the electronic and strain effects to optimize the ORR, whereas this desired synergy diminishes at high Pd coverages. Overall, the results not only rationalize the variation in the redox properties but most importantly provides a precision evaluation of the process window for optimizing the configuration and composition of bimetallic catalysts in practical experiments.
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Affiliation(s)
- Haolin Li
- School of Materials Science and EngineeringZhejiang Sci‐Tech UniversityHangzhou310018China
- Department of Engineering and System ScienceNational Tsing Hua UniversityHsinchu300044Taiwan
- Department of Mechanical EngineeringCity University of Hong KongHong Kong SAR999077China
| | - Sheng Dai
- School of Chemistry and Molecular EngineeringEast China University of Science and TechnologyShanghai200234China
| | - Yawei Wu
- Department of Mechanical EngineeringCity University of Hong KongHong Kong SAR999077China
| | - Qi Dong
- Department of Electrical EngineeringTsinghua UniversityBeijing100084China
| | - Jianjun Chen
- School of Materials Science and EngineeringZhejiang Sci‐Tech UniversityHangzhou310018China
| | - Hsin‐Yi Tiffany Chen
- Department of Engineering and System ScienceNational Tsing Hua UniversityHsinchu300044Taiwan
| | - Alice Hu
- Department of Mechanical EngineeringCity University of Hong KongHong Kong SAR999077China
- Department of Materials Science and EngineeringCity University of Hong KongHong Kong SAR999077China
| | - Jyh‐Pin Chou
- Department of PhysicsNational Changhua University of EducationChanghua50007Taiwan
| | - Tsan‐Yao Chen
- Department of Engineering and System ScienceNational Tsing Hua UniversityHsinchu300044Taiwan
- Hierarchical Green‐Energy Materials (Hi‐GEM) Research CentreNational Cheng Kung UniversityTainan70101Taiwan
- Department of Materials Science and EngineeringNational Taiwan University of Science and TechnologyTaipei10617Taiwan
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2
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Ogada JJ, Ipadeola AK, Mwonga PV, Haruna AB, Nichols F, Chen S, Miller HA, Pagliaro MV, Vizza F, Varcoe JR, Meira DM, Wamwangi DM, Ozoemena KI. CeO 2 Modulates the Electronic States of a Palladium Onion-Like Carbon Interface into a Highly Active and Durable Electrocatalyst for Hydrogen Oxidation in Anion-Exchange-Membrane Fuel Cells. ACS Catal 2022. [DOI: 10.1021/acscatal.2c01863] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Jimodo J. Ogada
- School of Physics, University of the Witwatersrand, Johannesburg 2050, South Africa
- School of Chemistry, Molecular Sciences Institute, University of the Witwatersrand, Johannesburg 2050, South Africa
| | - Adewale K. Ipadeola
- School of Chemistry, Molecular Sciences Institute, University of the Witwatersrand, Johannesburg 2050, South Africa
| | - Patrick V. Mwonga
- School of Chemistry, Molecular Sciences Institute, University of the Witwatersrand, Johannesburg 2050, South Africa
| | - Aderemi B. Haruna
- School of Chemistry, Molecular Sciences Institute, University of the Witwatersrand, Johannesburg 2050, South Africa
| | - Forrest Nichols
- Department of Chemistry and Biochemistry, University of California, 1156 High Street, Santa Cruz, California 95064, United States
| | - Shaowei Chen
- Department of Chemistry and Biochemistry, University of California, 1156 High Street, Santa Cruz, California 95064, United States
| | - Hamish A. Miller
- Institute of Chemistry of Organometallic Compounds − National Research Council of Italy (ICCOM-CNR), Via Madonna del Piano 10, 50019 Sesto Fiorentino (Florence), Italy
| | - Maria V. Pagliaro
- Institute of Chemistry of Organometallic Compounds − National Research Council of Italy (ICCOM-CNR), Via Madonna del Piano 10, 50019 Sesto Fiorentino (Florence), Italy
| | - Francesco Vizza
- Institute of Chemistry of Organometallic Compounds − National Research Council of Italy (ICCOM-CNR), Via Madonna del Piano 10, 50019 Sesto Fiorentino (Florence), Italy
| | - John R. Varcoe
- Department of Chemistry, University of Surrey, Guildford, Surrey GU2 7XH, U.K
| | - Debora Motta Meira
- CLS@APS Sector 20, Advanced Photon Source, Argonne National Laboratory, 9700 S. Cass Avenue, Argonne, Illinois 60439, United States
- Canadian Light Source Inc., 44 Innovation Boulevard, Saskatoon, Saskatchewan S7N 2V3, Canada
| | - Daniel M. Wamwangi
- School of Physics, University of the Witwatersrand, Johannesburg 2050, South Africa
| | - Kenneth I. Ozoemena
- School of Chemistry, Molecular Sciences Institute, University of the Witwatersrand, Johannesburg 2050, South Africa
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3
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Lee JD, Miller JB, Shneidman AV, Sun L, Weaver JF, Aizenberg J, Biener J, Boscoboinik JA, Foucher AC, Frenkel AI, van der Hoeven JES, Kozinsky B, Marcella N, Montemore MM, Ngan HT, O'Connor CR, Owen CJ, Stacchiola DJ, Stach EA, Madix RJ, Sautet P, Friend CM. Dilute Alloys Based on Au, Ag, or Cu for Efficient Catalysis: From Synthesis to Active Sites. Chem Rev 2022; 122:8758-8808. [PMID: 35254051 DOI: 10.1021/acs.chemrev.1c00967] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
The development of new catalyst materials for energy-efficient chemical synthesis is critical as over 80% of industrial processes rely on catalysts, with many of the most energy-intensive processes specifically using heterogeneous catalysis. Catalytic performance is a complex interplay of phenomena involving temperature, pressure, gas composition, surface composition, and structure over multiple length and time scales. In response to this complexity, the integrated approach to heterogeneous dilute alloy catalysis reviewed here brings together materials synthesis, mechanistic surface chemistry, reaction kinetics, in situ and operando characterization, and theoretical calculations in a coordinated effort to develop design principles to predict and improve catalytic selectivity. Dilute alloy catalysts─in which isolated atoms or small ensembles of the minority metal on the host metal lead to enhanced reactivity while retaining selectivity─are particularly promising as selective catalysts. Several dilute alloy materials using Au, Ag, and Cu as the majority host element, including more recently introduced support-free nanoporous metals and oxide-supported nanoparticle "raspberry colloid templated (RCT)" materials, are reviewed for selective oxidation and hydrogenation reactions. Progress in understanding how such dilute alloy catalysts can be used to enhance selectivity of key synthetic reactions is reviewed, including quantitative scaling from model studies to catalytic conditions. The dynamic evolution of catalyst structure and composition studied in surface science and catalytic conditions and their relationship to catalytic function are also discussed, followed by advanced characterization and theoretical modeling that have been developed to determine the distribution of minority metal atoms at or near the surface. The integrated approach demonstrates the success of bridging the divide between fundamental knowledge and design of catalytic processes in complex catalytic systems, which can accelerate the development of new and efficient catalytic processes.
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Affiliation(s)
- Jennifer D Lee
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Jeffrey B Miller
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Anna V Shneidman
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Lixin Sun
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Jason F Weaver
- Department of Chemical Engineering, University of Florida, Gainesville, Florida 32611, United States
| | - Joanna Aizenberg
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, United States.,John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States.,Wyss Institute for Biologically Inspired Engineering, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Juergen Biener
- Nanoscale Synthesis and Characterization Laboratory, Lawrence Livermore National Laboratory, Livermore, California 94550, United States
| | - J Anibal Boscoboinik
- Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York 11973, United States
| | - Alexandre C Foucher
- Department of Materials Science and Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Anatoly I Frenkel
- Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, New York 11794, United States.,Division of Chemistry, Brookhaven National Laboratory, Upton, New York 11973, United States
| | - Jessi E S van der Hoeven
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, United States.,John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Boris Kozinsky
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Nicholas Marcella
- Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, New York 11794, United States
| | - Matthew M Montemore
- Department of Chemical and Biomolecular Engineering, Tulane University, New Orleans, Louisiana 70118, United States
| | - Hio Tong Ngan
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Christopher R O'Connor
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Cameron J Owen
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, United States.,John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Dario J Stacchiola
- Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York 11973, United States
| | - Eric A Stach
- Department of Materials Science and Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Robert J Madix
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Philippe Sautet
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, California 90095, United States.,Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Cynthia M Friend
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, United States.,John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
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4
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Li H, Wang KW, Hu A, Chou JP, Chen TY. Tri-atomic Pt clusters induce effective pathways in a Co core-Pd shell nanocatalyst surface for a high-performance oxygen reduction reaction. Phys Chem Chem Phys 2021; 23:18012-18025. [PMID: 34612275 DOI: 10.1039/d1cp01989a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The crux of the hot topic concerning the widespread replacement of fuel cells (FCs) with traditional petrochemical energy is to balance improving the oxygen reduction reaction (ORR) and reducing the cost. The present study employs density functional theory (DFT) to investigate the effect of Pt ensemble size regulation from a single atom to full coverage on the physio-chemical properties, oxygen adsorption energies and overall ORR efficiency of bimetallic nanocatalysts (NCs) with a Cocore-Pdshell structure. Our results reveal that the electronegativity difference and lattice strain between neighboring heteroatoms are enhanced to trigger a synergetic effect in local domains, with the Pt cluster size reduced from nanometers to subnanometers. They induce a directed and tunable charge relocation mechanism from deep Co to topmost Pt to optimize the adsorption energies of O2/O* and achieve excellent ORR kinetics performance with minimum Pt usage but maximum Pt atom utilization (i.e., Pt1 to Pt3) compared with benchmark Pt(111). Such a dependency between the cluster size and corresponding ORR performance for the established Co@Pd-Ptn system can be applied to accurately guide the experimental synthesis of ordered heterogeneous catalysts (e.g., other core@shell-clusters structures) toward low Pt, high efficiency and green economy.
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Affiliation(s)
- Haolin Li
- Department of Mechanical Engineering, City University of Hong Kong, Hong Kong, China.
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5
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van der Hoeven JES, Ngan HT, Taylor A, Eagan NM, Aizenberg J, Sautet P, Madix RJ, Friend CM. Entropic Control of HD Exchange Rates over Dilute Pd-in-Au Alloy Nanoparticle Catalysts. ACS Catal 2021. [DOI: 10.1021/acscatal.1c01400] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jessi E. S. van der Hoeven
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, United States
- Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Hio Tong Ngan
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, California 90095, United States
| | - Austin Taylor
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Nathaniel M. Eagan
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Joanna Aizenberg
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, United States
- Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Philippe Sautet
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, California 90095, United States
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States
| | - Robert J. Madix
- Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Cynthia M. Friend
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, United States
- Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
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6
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Arshad MW, Kim DH, You YW, Kim SM, Heo I, Kim SK. A first-principles understanding of the CO-assisted NO reduction on the IrRu/Al 2O 3 catalyst under O 2-rich conditions. Catal Sci Technol 2021. [DOI: 10.1039/d1cy00744k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The IrRu alloy offered optimal energetics for NO reduction by CO. The ensemble effect plays a key role in promoting the reactivity of the IrRu alloy. Making the IrRu surface alloy is better for CO-SCR than forming an alloy over the bulk structure.
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Affiliation(s)
- Malik Waqar Arshad
- C1 Gas & Carbon Convergent Research Center
- Korea Research Institute of Chemical Technology (KRICT)
- Daejeon 34114
- Republic of Korea
- University of Science & Technology
| | - Dong Hun Kim
- Environment & Sustainable Resources Research Center
- Korea Research Institute of Chemical Technology (KRICT)
- Daejeon 34114
- Republic of Korea
| | - Young-Woo You
- Environment & Sustainable Resources Research Center
- Korea Research Institute of Chemical Technology (KRICT)
- Daejeon 34114
- Republic of Korea
- Convergent Chemistry of Air Pollution Center
| | - Soo Min Kim
- University of Science & Technology
- Advanced Materials and Chemical Engineering Technology (UST)
- Daejeon 34113
- Republic of Korea
- Environment & Sustainable Resources Research Center
| | - Iljeong Heo
- Environment & Sustainable Resources Research Center
- Korea Research Institute of Chemical Technology (KRICT)
- Daejeon 34114
- Republic of Korea
- Convergent Chemistry of Air Pollution Center
| | - Seok Ki Kim
- C1 Gas & Carbon Convergent Research Center
- Korea Research Institute of Chemical Technology (KRICT)
- Daejeon 34114
- Republic of Korea
- University of Science & Technology
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7
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Monasterial AP, Hinderks CA, Viriyavaree S, Montemore MM. When more is less: Nonmonotonic trends in adsorption on clusters in alloy surfaces. J Chem Phys 2020; 153:111102. [PMID: 32962359 DOI: 10.1063/5.0022076] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Single-atom alloys can be effective catalysts and have been compared to supported single-atom catalysts. To rationally design single-atom alloys and other surfaces with localized ensembles, it is crucial to understand variations in reactivity when varying the dopant and the ensemble size. Here, we examined hydrogen adsorption on surfaces embedded with localized clusters and discovered general trends. Counterintuitively, increasing the amount of a more reactive metal sometimes makes a surface site less reactive. This behavior is due to the hybridization and splitting of narrow peaks in the electronic density of states of many of these surfaces, making them analogous to free-standing nanoclusters. When a single-atom alloy has a peak just below the Fermi energy, the corresponding two-dopant cluster often has weaker adsorption than the single-atom alloy due to splitting of this peak across the Fermi energy. Furthermore, single-atom alloys have qualitatively different behaviors than larger ensembles. Specifically, the adsorption energy is a U-shaped function of the dopant's group for single-atom alloys. Additionally, adsorption energies on single-atom alloys correlate more strongly with the dopant's p-band center than with the d-band center.
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Affiliation(s)
- Abigale P Monasterial
- Department of Chemical and Biomolecular Engineering, Tulane University, New Orleans, Louisiana 70118, USA
| | - Calla A Hinderks
- Department of Chemical and Biomolecular Engineering, Tulane University, New Orleans, Louisiana 70118, USA
| | - Songkun Viriyavaree
- Department of Chemical and Biomolecular Engineering, Tulane University, New Orleans, Louisiana 70118, USA
| | - Matthew M Montemore
- Department of Chemical and Biomolecular Engineering, Tulane University, New Orleans, Louisiana 70118, USA
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8
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Facilitating hydrogen atom migration via a dense phase on palladium islands to a surrounding silver surface. Proc Natl Acad Sci U S A 2020; 117:22657-22664. [PMID: 32879000 DOI: 10.1073/pnas.2010413117] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The migration of species across interfaces can crucially affect the performance of heterogeneous catalysts. A key concept in using bimetallic catalysts for hydrogenation is that the active metal supplies hydrogen atoms to the host metal, where selective hydrogenation can then occur. Herein, we demonstrate that, following dihydrogen dissociation on palladium islands, hydrogen atoms migrate from palladium to silver, to which they are generally less strongly bound. This migration is driven by the population of weakly bound states on the palladium at high hydrogen atom coverages which are nearly isoenergetic with binding sites on the silver. The rate of hydrogen atom migration depends on the palladium-silver interface length, with smaller palladium islands more efficiently supplying hydrogen atoms to the silver. This study demonstrates that hydrogen atoms can migrate from a more strongly binding metal to a more weakly binding surface under special conditions, such as high dihydrogen pressure.
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9
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Ni W, Wang T, Schouwink PA, Chuang Y, Chen HM, Hu X. Efficient Hydrogen Oxidation Catalyzed by Strain‐Engineered Nickel Nanoparticles. Angew Chem Int Ed Engl 2020; 59:10797-10801. [DOI: 10.1002/anie.201916314] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 03/27/2020] [Indexed: 11/10/2022]
Affiliation(s)
- Weiyan Ni
- Laboratory of Inorganic Synthesis and CatalysisInstitute of Chemical Sciences and EngineeringÉcole Polytechnique Fédérale de Lausanne (EPFL) BCH 3305 1015 Lausanne Switzerland
| | - Teng Wang
- Laboratory of Inorganic Synthesis and CatalysisInstitute of Chemical Sciences and EngineeringÉcole Polytechnique Fédérale de Lausanne (EPFL) BCH 3305 1015 Lausanne Switzerland
- Beijing National Laboratory for Molecular Sciences (BNLMS)College of Chemistry and Molecular EngineeringPeking University Beijing 100871 China
| | - Pascal Alexander Schouwink
- Institute of Chemical Sciences and EngineeringÉcole Polytechnique Fédérale de Lausanne (EPFL) 1950 Sion Switzerland
| | - Yu‐Chun Chuang
- Materials Science GroupNational Synchrotron Radiation Research Center (NSRRC) 101 Hsin-Ann Road, Hsinchu Science Park Hsinchu 30076 Taiwan
| | - Hao Ming Chen
- Department of ChemistryNational (Taiwan) University Taipei 10617 Taiwan
| | - Xile Hu
- Laboratory of Inorganic Synthesis and CatalysisInstitute of Chemical Sciences and EngineeringÉcole Polytechnique Fédérale de Lausanne (EPFL) BCH 3305 1015 Lausanne Switzerland
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10
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Ni W, Wang T, Schouwink PA, Chuang Y, Chen HM, Hu X. Efficient Hydrogen Oxidation Catalyzed by Strain‐Engineered Nickel Nanoparticles. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201916314] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Weiyan Ni
- Laboratory of Inorganic Synthesis and CatalysisInstitute of Chemical Sciences and EngineeringÉcole Polytechnique Fédérale de Lausanne (EPFL) BCH 3305 1015 Lausanne Switzerland
| | - Teng Wang
- Laboratory of Inorganic Synthesis and CatalysisInstitute of Chemical Sciences and EngineeringÉcole Polytechnique Fédérale de Lausanne (EPFL) BCH 3305 1015 Lausanne Switzerland
- Beijing National Laboratory for Molecular Sciences (BNLMS)College of Chemistry and Molecular EngineeringPeking University Beijing 100871 China
| | - Pascal Alexander Schouwink
- Institute of Chemical Sciences and EngineeringÉcole Polytechnique Fédérale de Lausanne (EPFL) 1950 Sion Switzerland
| | - Yu‐Chun Chuang
- Materials Science GroupNational Synchrotron Radiation Research Center (NSRRC) 101 Hsin-Ann Road, Hsinchu Science Park Hsinchu 30076 Taiwan
| | - Hao Ming Chen
- Department of ChemistryNational (Taiwan) University Taipei 10617 Taiwan
| | - Xile Hu
- Laboratory of Inorganic Synthesis and CatalysisInstitute of Chemical Sciences and EngineeringÉcole Polytechnique Fédérale de Lausanne (EPFL) BCH 3305 1015 Lausanne Switzerland
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11
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Garlyyev B, Fichtner J, Piqué O, Schneider O, Bandarenka AS, Calle-Vallejo F. Revealing the nature of active sites in electrocatalysis. Chem Sci 2019; 10:8060-8075. [PMID: 31857876 PMCID: PMC6844223 DOI: 10.1039/c9sc02654a] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Accepted: 07/22/2019] [Indexed: 12/17/2022] Open
Abstract
Heterogeneous electrocatalysis plays a central role in the development of sustainable, carbon-neutral pathways for energy provision and the production of various chemicals. It determines the overall efficiency of electrochemical devices that involve catalysis at the electrode/electrolyte interface. In this perspective, we discuss key aspects for the identification of active centers at the surface of electrocatalysts and important factors that influence them. The role of the surface structure, nanoparticle shape/size and the electrolyte composition in the resulting catalytic performance is of particular interest in this work. We highlight challenges that from our point of view need to be tackled, and provide guidelines for the design of "real life" electrocatalysts for renewable energy provision systems as well as for the production of industrially important compounds.
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Affiliation(s)
- Batyr Garlyyev
- Physics of Energy Conversion and Storage , Technical University of Munich , James-Franck-Straße 1 , 85748 Garching , Germany .
| | - Johannes Fichtner
- Physics of Energy Conversion and Storage , Technical University of Munich , James-Franck-Straße 1 , 85748 Garching , Germany .
| | - Oriol Piqué
- Departament de Ciència de Materials i Química Fisica , Institut de Química Teòrica i Computacional (IQTCUB) , Universitat de Barcelona , Martí i Franquès 1 , 08028 Barcelona , Spain .
| | - Oliver Schneider
- Electrochemical Research Group , Technische Universität München , Schleißheimerstraße 90a , 85748 Garching , Germany
| | - Aliaksandr S Bandarenka
- Physics of Energy Conversion and Storage , Technical University of Munich , James-Franck-Straße 1 , 85748 Garching , Germany . .,Catalysis Research Center , TUM , Ernst-Otto-Fischer-Straße 1 , 85748 Garching , Germany
| | - Federico Calle-Vallejo
- Departament de Ciència de Materials i Química Fisica , Institut de Química Teòrica i Computacional (IQTCUB) , Universitat de Barcelona , Martí i Franquès 1 , 08028 Barcelona , Spain .
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12
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Weitzner SE, Dabo I. Voltage effects on the stability of Pd ensembles in Pd-Au/Au(111) surface alloys. J Chem Phys 2019; 150:041715. [PMID: 30709256 DOI: 10.1063/1.5054124] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The catalytic performance of multimetallic electrodes is often attributed to a beneficial combination of ligand, strain, and ensemble effects. Understanding the influence of the electrochemical environment on the stability of the alloy surface structure is thus a crucial component to the design of highly active and durable electrocatalysts. In this work, we study the effects of an applied voltage to electrocatalytic Pd-Au/Au(111) surface alloys in contact with a model continuum electrolyte. Using planewave density functional theory, two-dimensional cluster expansions are parameterized and used to simulate dilute Pd-Au surface alloys under electrochemical conditions via Metropolis Monte Carlo within an extended canonical ensemble. While Pd monomers are stable at all potentials considered, different extents of surface electrification are observed to promote the formation of Pd dimers and trimers, as well as clusters of Pd monomers. We find that the relative proportion of monomer, dimer, and trimer surface fractions is in good agreement with in situ scanning tunneling microscopy measurements. The further development and refinement of the approaches described herein may serve as a useful aid in the development of next-generation electrocatalysts.
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Affiliation(s)
- Stephen E Weitzner
- Department of Materials Science and Engineering, Materials Research Institute, and Penn State Institutes of Energy and the Environment, The Pennsylvania State University, University Park, Pennsylvania 16802, USA
| | - Ismaila Dabo
- Department of Materials Science and Engineering, Materials Research Institute, and Penn State Institutes of Energy and the Environment, The Pennsylvania State University, University Park, Pennsylvania 16802, USA
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13
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Li H, Shin K, Henkelman G. Effects of ensembles, ligand, and strain on adsorbate binding to alloy surfaces. J Chem Phys 2018; 149:174705. [PMID: 30408989 DOI: 10.1063/1.5053894] [Citation(s) in RCA: 103] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Alloying elements with strong and weak adsorption properties can produce a catalyst with optimally tuned adsorbate binding. A full understanding of this alloying effect, however, is not well-established. Here, we use density functional theory to study the ensemble, ligand, and strain effects of close-packed surfaces alloyed by transition metals with a combination of strong and weak adsorption of H and O. Specifically, we consider PdAu, RhAu, and PtAu bimetallics as ordered and randomly alloyed (111) surfaces, as well as randomly alloyed 140-atom clusters. In these alloys, Au is the weak-binding component and Pd, Rh, and Pt are characteristic strong-binding metals. In order to separate the different effects of alloying on binding, we calculate the tunability of H- and O-binding energies as a function of lattice constant (strain effect), number of alloy-substituted sublayers (ligand effect), and randomly alloyed geometries (ensemble effect). We find that on these alloyed surfaces, the ensemble effect more significantly tunes the adsorbate binding as compared to the ligand and strain effects, with the binding energies predominantly determined by the local adsorption environment provided by the specific triatomic ensemble on the (111) surface. However, we also find that tuning of adsorbate binding from the ligand and strain effects cannot be neglected in a quantitative description. Extending our studies to other bimetallics (PdAg, RhAg, PtAg, PdCu, RhCu, and PtCu), we find similar conclusions that the tunability of adsorbate binding on random alloys is predominately described by the ensemble effect.
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Affiliation(s)
- Hao Li
- Department of Chemistry and the Institute for Computational Engineering and Sciences, The University of Texas at Austin, 105 E. 24th Street, Stop A5300, Austin, Texas 78712, USA
| | - Kihyun Shin
- Department of Chemistry and the Institute for Computational Engineering and Sciences, The University of Texas at Austin, 105 E. 24th Street, Stop A5300, Austin, Texas 78712, USA
| | - Graeme Henkelman
- Department of Chemistry and the Institute for Computational Engineering and Sciences, The University of Texas at Austin, 105 E. 24th Street, Stop A5300, Austin, Texas 78712, USA
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Evans EJ, Li H, Yu WY, Mullen GM, Henkelman G, Mullins CB. Mechanistic insights on ethanol dehydrogenation on Pd–Au model catalysts: a combined experimental and DFT study. Phys Chem Chem Phys 2017; 19:30578-30589. [DOI: 10.1039/c7cp05097f] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
UHV experiments and DFT show the dependence of the ethanol dehydrogenation mechanism on the Pd ensemble size on Au(111).
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Affiliation(s)
- E. J. Evans
- McKetta Department of Chemical Engineering and Department of Chemistry
- Center for Nano and Molecular Science and Technology
- Texas Materials Institute
- Center for Electrochemistry, and Institute for Computational Engineering and Sciences
- University of Texas at Austin
| | - H. Li
- Department of Chemistry, Institute for Computational and Engineering Sciences
- Texas Materials Institute
- The University of Texas at Austin
- Austin
- USA
| | - Wen-Yueh Yu
- McKetta Department of Chemical Engineering and Department of Chemistry
- Center for Nano and Molecular Science and Technology
- Texas Materials Institute
- Center for Electrochemistry, and Institute for Computational Engineering and Sciences
- University of Texas at Austin
| | - G. M. Mullen
- McKetta Department of Chemical Engineering and Department of Chemistry
- Center for Nano and Molecular Science and Technology
- Texas Materials Institute
- Center for Electrochemistry, and Institute for Computational Engineering and Sciences
- University of Texas at Austin
| | - G. Henkelman
- Department of Chemistry, Institute for Computational and Engineering Sciences
- Texas Materials Institute
- The University of Texas at Austin
- Austin
- USA
| | - C. Buddie Mullins
- McKetta Department of Chemical Engineering and Department of Chemistry
- Center for Nano and Molecular Science and Technology
- Texas Materials Institute
- Center for Electrochemistry, and Institute for Computational Engineering and Sciences
- University of Texas at Austin
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15
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Wijzenbroek M, Helstone D, Meyer J, Kroes GJ. Dynamics of H2 dissociation on the close-packed (111) surface of the noblest metal: H2 + Au(111). J Chem Phys 2016; 145:144701. [DOI: 10.1063/1.4964486] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Mark Wijzenbroek
- Leiden Institute of Chemistry, Gorlaeus Laboratories, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
| | - Darcey Helstone
- Leiden Institute of Chemistry, Gorlaeus Laboratories, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
| | - Jörg Meyer
- Leiden Institute of Chemistry, Gorlaeus Laboratories, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
| | - Geert-Jan Kroes
- Leiden Institute of Chemistry, Gorlaeus Laboratories, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
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16
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Saqlain MA, Hussain A, Siddiq M, Leitão AA. Synergy between Pd and Au in a Pd–Au(100) bimetallic surface for the water gas shift reaction: a DFT study. RSC Adv 2015. [DOI: 10.1039/c5ra07163a] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Density functional theory calculations were performed to model a reaction relevant bimetallic surface and study the water gas shift reaction.
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Affiliation(s)
| | - Akhtar Hussain
- TPD
- Pakistan Institute of Nuclear Science and Technology
- PINSTECH
- Islamabad
- Pakistan
| | - Muhammad Siddiq
- Department of Chemistry
- Quaid-i-Azam University
- Islamabad
- Pakistan
| | - Alexandre A. Leitão
- Departamento de Química
- Universidade Federal de Juiz de Fora
- Juiz de Fora
- Brazil
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