Dense Heterointerfaces and Unsaturated Coordination Synergistically Accelerate Electrocatalysis in Pt/Pt5P2 Porous Nanocages

Article Chemistry, Multidisciplinary

Liquid Metal Interfacial Growth and Exfoliation to Form Mesoporous Metallic Nanosheets for Alkaline Methanol Electroreforming

Shengqi Wang et al.

Summary: Two-dimensional mesoporous metallic nanosheets have precise structure and abundant active sites, playing a crucial role in catalytic reactions.

ACS NANO (2022)

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Article Engineering, Environmental

Trimetallic Au@PdPt porous core-shell structured nanowires for oxygen reduction electrocatalysis

Songliang Liu et al.

Summary: The study introduces a facile method to synthesize Au@PdPt porous nanowire architecture which shows superior catalytic performance for electrocatalytic oxygen reduction reaction. This synthetic strategy can be widely used for preparing porous core-shell structured metallic nanowires for various electrocatalytic applications.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Chemistry, Multidisciplinary

Self-Assembly of Ir-Based Nanosheets with Ordered Interlayer Space for Enhanced Electrocatalytic Water Oxidation

Lianhai Zu et al.

Summary: In this work, ultrathin Ir-IrOx/C nanosheets with ordered interlayer space were synthesized through a nanoconfined self-assembly strategy, exhibiting enhanced catalytic activity for acidic oxygen evolution reactions. The nanosheets showed one of the lowest overpotential during OER in an acid medium, benefiting from their mixed-valence states, rich electrophilic oxygen species, and favorable mesostructured architectures. This study opens a new avenue for designing high-performance 2D ordered mesoporous electrocatalysts for water oxidation and beyond through a nanoconfined self-assembly strategy.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2022)

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Article Chemistry, Physical

Graphene composites with Ru-RuO2 heterostructures: Highly efficient Mott-Schottky-type electrocatalysts for pH-universal water splitting and flexible zinc-air batteries

Nan Wang et al.

Summary: In this study, graphene nanocomposites with Ru-RuO2 Mott-Schottky heterojunctions were prepared by pyrolysis, showing remarkable electrocatalytic activity over a wide pH range and serving as an effective air cathode catalyst for zinc-air batteries.

APPLIED CATALYSIS B-ENVIRONMENTAL (2022)

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Article Multidisciplinary Sciences

The synergistic effect of Hf-O-Ru bonds and oxygen vacancies in Ru/HfO2 for enhanced hydrogen evolution

Guangkai Li et al.

Summary: A highly efficient Ru/HfO2 electrocatalyst with tuned Ru-O-Hf bonds and oxygen vacancies has been developed, showing high activities for alkaline H2 evolution.

NATURE COMMUNICATIONS (2022)

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Article Multidisciplinary Sciences

Interstitial boron-triggered electron-deficient Os aerogels for enhanced pH-universal hydrogen evolution

Yinghao Li et al.

Summary: Developing high-performance electrocatalysts for hydrogen evolution reaction (HER) is crucial for sustainable hydrogen production, yet still challenging. In this study, boron-modulated osmium (B-Os) aerogels with rich defects and ultra-fine diameter were used as a pH-universal HER electrocatalyst, exhibiting small overpotentials and excellent stability.

NATURE COMMUNICATIONS (2022)

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Article Chemistry, Physical

Modulation of Single Atomic Co and Fe Sites on Hollow Carbon Nanospheres as Oxygen Electrodes for Rechargeable Zn-Air Batteries

Vishal Jose et al.

Summary: This study presents a facile method for preparing bimetallic Fe and Co sites entrapped in nitrogen-doped hollow carbon nanospheres (Fe,Co-SA/CS), demonstrating promising activity for both oxygen reduction reaction (ORR) and oxygen evolution reaction (OER).

SMALL METHODS (2021)

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Article Chemistry, Multidisciplinary

Regulative Electronic States around Ruthenium/Ruthenium Disulphide Heterointerfaces for Efficient Water Splitting in Acidic Media

Jiawei Zhu et al.

Summary: Theoretical calculations and experimental results demonstrate that Ru/RuS2 heterostructure possesses optimized catalytic performance, especially showing extremely high activity and performance in acidic media.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Multidisciplinary

Defect-Rich Porous Palladium Metallene for Enhanced Alkaline Oxygen Reduction Electrocatalysis

Hongjie Yu et al.

Summary: Development of defect-rich porous Pd metallene through wet-chemistry strategy shows superior ORR activity, potentially opening avenue for design of other metallene materials for various fields.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Physical

Engineering hollow porous platinum-silver double-shelled nanocages for efficient electro-oxidation of methanol

Wenqing Yao et al.

Summary: This study introduces a novel and efficient Pt-Ag DSNCs electrocatalyst with a double-shelled structure and optimized bimetallic chemical composition. The Pt-Ag DSNCs exhibit superior stability and specific activity for the electro-oxidation of methanol, showing potential for application in direct methanol fuel cells.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

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Article Nanoscience & Nanotechnology

Torsion strained iridium oxide for efficient acidic water oxidation in proton exchange membrane electrolyzers

Shaoyun Hao et al.

Summary: This study presents a torsion-strained Ta0.1Tm0.1Ir0.8O2-delta nanocatalyst with abundant grain boundaries, which exhibits a low overpotential for oxygen evolution reaction. By tuning the adsorption energy of oxygen intermediates, this nanocatalyst shows enhanced catalytic activity. The proton exchange membrane electrolyser using this nanocatalyst can operate stably for 500 hours with a cost of US$1/kg of H-2, achieving a lower cost target set by the US Department of Energy.

NATURE NANOTECHNOLOGY (2021)

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Article Multidisciplinary Sciences

Modulating electronic structure of metal-organic frameworks by introducing atomically dispersed Ru for efficient hydrogen evolution

Yamei Sun et al.

Summary: The research demonstrates the use of a single-atom strategy to construct high-performance electrocatalysts for hydrogen evolution reaction, showing excellent activity at all pH values and comparable performance to commercial Pt/C. Introducing single ruthenium atoms into metal-organic frameworks leads to improved binding strength for H2O and H*, enhancing HER performance.

NATURE COMMUNICATIONS (2021)

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Article Multidisciplinary Sciences

A durable and pH-universal self-standing MoC-Mo2C heterojunction electrode for efficient hydrogen evolution reaction

Wei Liu et al.

Summary: The study presents a MoC-Mo2C catalytic electrode prepared using CO2, with excellent performance in both acidic and alkaline electrolytes, showing low overpotentials, long-lasting lifetime, and high-temperature performance. The self-standing hydrophilic porous surface, intrinsic mechanical strength, and self-grown MoC-Mo2C heterojunctions contribute to its outstanding hydrogen evolution reaction activity. Further, scalable fabrication of various carbide electrodes with rationally designed structures, tunable compositions, and favorable properties is demonstrated, highlighting the importance of efficient low-cost catalysts for water electrolyzers operating at industrial conditions.

NATURE COMMUNICATIONS (2021)

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Article Chemistry, Physical

Thermally conductive ultra-low-k dielectric layers based on two-dimensional covalent organic frameworks

Austin M. Evans et al.

Summary: The research demonstrates that two-dimensional covalent organic frameworks have high thermal conductivity and low dielectric constant, making them promising for next-generation dielectric layers with tunable combinations of useful properties.

NATURE MATERIALS (2021)

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Article Chemistry, Physical

Highly Efficient Oxygen Reduction Reaction Activity of N-Doped Carbon-Cobalt Boride Heterointerfaces

Vishal Jose et al.

Summary: Compositional and structural engineering of metal-metalloid materials can enhance their electrocatalytic performance, with heterointerfaces between N-doped carbon and cobalt boride nanosheets yielding efficient and stable systems for the oxygen reduction reaction. The best-performing electrocatalyst exhibits significant advantages compared to commercial Pt/C, making it suitable for assembling zinc-air batteries.

ADVANCED ENERGY MATERIALS (2021)

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Review Multidisciplinary Sciences

Structural tuning of heterogeneous molecular catalysts for electrochemical energy conversion

Jiong Wang et al.

Summary: Heterogeneous molecular catalysts based on transition metal complexes are increasingly being studied for their potential use in electrochemical energy conversion. This review discusses how tuning the first and second coordination spheres of these complexes can optimize their activities and serve as models for studying the impact of structural variations on activity. Structural tuning, such as adjusting ligated atoms and appending adjacent metal centers or pendant groups, can result in different geometric and electronic configurations of the complexes, ultimately leading to improved activity through stability adjustments and redox behaviors.

SCIENCE ADVANCES (2021)

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Article Chemistry, Multidisciplinary

PtSe2/Pt Heterointerface with Reduced Coordination for Boosted Hydrogen Evolution Reaction

Zongpeng Wang et al.

Summary: Constructing PtSe2/Pt heterointerface can enhance the reaction kinetics of PtSe2, achieving near thermoneutral free energy change for hydrogen evolution reaction. The activated Pt atoms near Se vacancies strengthen the adsorption of H-. intermediate, leading to extraordinary activity even superior to Pt/C, demonstrating the potential of NMDs for HER and providing insights for constructing novel heterointerfaces.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Multidisciplinary Sciences

Platinum single-atom catalyst coupled with transition metal/metal oxide heterostructure for accelerating alkaline hydrogen evolution reaction

Kai Ling Zhou et al.

Summary: Single-atom platinum immobilized NiO/Ni heterostructure acts as a highly efficient alkaline hydrogen evolution catalyst by enabling tunable binding abilities and enhancing water dissociation energy. Constructing hierarchical three-dimensional morphology further enhances the catalytic performance.

NATURE COMMUNICATIONS (2021)

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Article Chemistry, Multidisciplinary

Lanthanide electronic perturbation in Pt-Ln (La, Ce, Pr and Nd) alloys for enhanced methanol oxidation reaction activity

Shuai Zhang et al.

Summary: This study synthesized a series of Pt-Ln/C (Ln = La, Ce, Pr, Nd) nanoalloy catalysts to enhance the electroactivity towards methanol oxidation and suppress the CO poisoning effect of Pt. Among them, Pt5Ce/C showed the best performance with 11.1 times higher specific activity compared to commercial Pt/C. The work demonstrates the critical promotion effect of lanthanide elements in the electroactivity of Pt, providing new ideas for designing efficient lanthanide alloy catalysts.

ENERGY & ENVIRONMENTAL SCIENCE (2021)

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Article Chemistry, Physical

Rational construction of Au3Cu@Cu nanocages with porous core-shell heterostructured walls for enhanced electrocatalytic N2 fixation

Songliang Liu et al.

Summary: This study demonstrates the rational construction of Au3Cu@Cu nanocages with porous core-shell heterostructured walls, which exhibit excellent performance in electrocatalytic NRR for ammonia synthesis. The findings provide insight into the design and construction of hollow nanostructures with porous heterostructured walls for electrocatalytic applications.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

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Review Chemistry, Multidisciplinary

Metallenes as functional materials in electrocatalysis

P. Prabhu et al.

Summary: Metalenes, as atomically thin layers primarily composed of under-coordinated metal atoms, have shown promising physicochemical properties for catalytic applications in electrochemical conversions. With growing interest in metalenes, there is a need to review research findings and identify future directions for advancements in the field.

CHEMICAL SOCIETY REVIEWS (2021)

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Review Chemistry, Multidisciplinary

Transition metal nitrides for electrochemical energy applications

Hao Wang et al.

Summary: Researchers have shown that by designing nanostructured TMNs with tailored morphology, it is possible to address issues such as limited active sites and sluggish ionic kinetics in bulk TMNs, ultimately improving electrochemical performance. Recent progress in TMN-based nanomaterials has focused on geometric-structure design, electronic-structure engineering, and applications in electrochemical energy conversion and storage.

CHEMICAL SOCIETY REVIEWS (2021)

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Article Chemistry, Multidisciplinary

Boron-Induced Electronic-Structure Reformation of CoP Nanoparticles Drives Enhanced pH-Universal Hydrogen Evolution

Erping Cao et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

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Review Chemistry, Multidisciplinary

Heterostructured Catalysts for Electrocatalytic and Photocatalytic Carbon Dioxide Reduction

P. Prabhu et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

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Article Chemistry, Multidisciplinary

Identifying Dense NiSe2/CoSe2 Heterointerfaces Coupled with Surface High-Valence Bimetallic Sites for Synergistically Enhanced Oxygen Electrocatalysis

Xuerong Zheng et al.

ADVANCED MATERIALS (2020)

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Article Multidisciplinary Sciences

Scalable neutral H2O2 electrosynthesis by platinum diphosphide nanocrystals by regulating oxygen reduction reaction pathways

Hui Li et al.

NATURE COMMUNICATIONS (2020)

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Article Chemistry, Multidisciplinary

Significant Enhancement of Hydrogen Evolution Reaction Activity by Negatively Charged Pt through Light Doping of W

Daiya Kobayashi et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2020)

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Article Multidisciplinary Sciences

Engineering active sites on hierarchical transition bimetal oxides/sulfides heterostructure array enabling robust overall water splitting

Panlong Zhai et al.

NATURE COMMUNICATIONS (2020)

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Article Chemistry, Physical

Confined growth of pyridinic N-Mo2C sites on MXenes for hydrogen evolution

Hao Wang et al.

JOURNAL OF MATERIALS CHEMISTRY A (2020)

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Review Chemistry, Multidisciplinary

A review on fundamentals for designing oxygen evolution electrocatalysts

Jiajia Song et al.

CHEMICAL SOCIETY REVIEWS (2020)

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Review Materials Science, Multidisciplinary

Design Strategies for Development of TMD-Based Heterostructures in Electrochemical Energy Systems

P. Prabhu et al.

MATTER (2020)

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Article Energy & Fuels

Chemical and structural origin of lattice oxygen oxidation in Co-Zn oxyhydroxide oxygen evolution electrocatalysts

Zhen-Feng Huang et al.

NATURE ENERGY (2019)

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Article Multidisciplinary Sciences

Highly crystalline Ni-doped FeP/carbon hollow nanorods as all-pH efficient and durable hydrogen evolving electrocatalysts

Xue Feng Lu et al.

SCIENCE ADVANCES (2019)

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Article Nanoscience & Nanotechnology

Surface-Modified Hollow Ternary NiCo2Px Catalysts for Efficient Electrochemical Water Splitting and Energy Storage

Vishal Jose et al.

ACS APPLIED MATERIALS & INTERFACES (2019)

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Article Chemistry, Multidisciplinary

Structural and Electronic Optimization of MoS2 Edges for Hydrogen Evolution

Hao Wang et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2019)

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Article Multidisciplinary Sciences

Engineering bunched Pt-Ni alloy nanocages for efficient oxygen reduction in practical fuel cells

Xinlong Tian et al.

SCIENCE (2019)

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Article Chemistry, Multidisciplinary

Boron-doped silver nanosponges with enhanced performance towards electrocatalytic nitrogen reduction to ammonia

Yinghao Li et al.

CHEMICAL COMMUNICATIONS (2019)

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Article Chemistry, Multidisciplinary

Hollow Metal Nanocrystals with Ultrathin, Porous Walls and Well-Controlled Surface Structures

Ming Zhao et al.

ADVANCED MATERIALS (2018)

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Article Chemistry, Physical

Porous Trimetallic PtRhCu Cubic Nanoboxes for Ethanol Electrooxidation

Shu-He Han et al.

ADVANCED ENERGY MATERIALS (2018)

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Article Chemistry, Multidisciplinary

Vertex-Type Engineering of Pt-Cu-Rh Heterogeneous Nanocages for Highly Efficient Ethanol Electrooxidation

Kai Wang et al.

ADVANCED MATERIALS (2018)

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Article Energy & Fuels

Multicomponent electrocatalyst with ultralow Pt loading and high hydrogen evolution activity

Jitendra N. Tiwari et al.

NATURE ENERGY (2018)

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Article Multidisciplinary Sciences

Inflating hollow nanocrystals through a repeated Kirkendall cavitation process

He Tianou et al.

NATURE COMMUNICATIONS (2017)

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Article Multidisciplinary Sciences

Improved ethanol electrooxidation performance by shortening Pd-Ni active site distance in Pd-Ni-P nanocatalysts

Lin Chen et al.

NATURE COMMUNICATIONS (2017)

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Article Chemistry, Physical

Highly Efficient and Durable Pd Hydride Nanocubes Embedded in 2D Amorphous NiB Nanosheets for Oxygen Reduction Reaction

Yizhong Lu et al.

ADVANCED ENERGY MATERIALS (2017)

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Review Chemistry, Multidisciplinary

Self-Templated Formation of Hollow Structures for Electrochemical Energy Applications

Le Yu et al.

ACCOUNTS OF CHEMICAL RESEARCH (2017)

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Article Chemistry, Multidisciplinary

Ultrathin Icosahedral Pt-Enriched Nanocage with Excellent Oxygen Reduction Reaction Activity

Dong Sheng He et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2016)

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Review Chemistry, Multidisciplinary

Engineering Ordered and Nonordered Porous Noble Metal Nanostructures: Synthesis, Assembly, and Their Applications in Electrochemistry

Chengzhou Zhu et al.

CHEMICAL REVIEWS (2015)

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Article Multidisciplinary Sciences

Platinum-based nanocages with subnanometer-thick walls and well-defined, controllable facets

Lei Zhang et al.

SCIENCE (2015)

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Article Multidisciplinary Sciences

Formation of hollow nanocrystals through the nanoscale Kirkendall Effect

YD Yin et al.

SCIENCE (2004)

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Dense Heterointerfaces and Unsaturated Coordination Synergistically Accelerate Electrocatalysis in Pt/Pt5P2 Porous Nanocages

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