Design of active and stable Co-Mo-Sx chalcogels as pH-universal catalyst for the hydrogen evolution reaction

Staszak-Jirkovský, Jakub; Malliakas, Christos D.; Lopes, Pietro P.; Danilovic, Nemanja; Kota, Subrahmanyam S.; Chang, Kee-Chul; Genorio, Bostjan; Strmcnik, Dusan; Stamenkovic, Vojislav R.; Kanatzidis, Mercouri G.; Markovic, Nenad M.

doi:10.1038/NMAT4481

Title: Design of active and stable Co-Mo-S_x chalcogels as pH-universal catalyst for the hydrogen evolution reaction

Abstract

Three of the fundamental catalytic limitations that have plagued the electrochemical production of hydrogen for decades still remain: low efficiency, short lifetime of catalysts and a lack of low-cost materials. Here, we address these three challenges by establishing and exploring an intimate functional link between the reactivity and stability of crystalline (CoS₂ and MoS₂) and amorphous (CoS_x and MoS_x) hydrogen evolution catalysts. We propose that Co²⁺ and Mo⁴⁺ centers promote the initial discharge of water (alkaline solutions) or hydronium ions (acid solutions). We establish that although CoS_x materials are more active than MoS_x they are also less stable, suggesting that the active sites are defects formed after dissolution of Co and Mo cations. Finally, by combining the higher activity of CoS_x building blocks with the higher stability of MoS_x units into a compact and robust CoMoS_x structure, we are able to design a low-cost alternative to noble metal catalysts for efficient electrocatalytic production of hydrogen in both alkaline and acidic environments.

Authors:

Staszak-Jirkovský, Jakub ^[1];

^[2]; Lopes, Pietro P. ^[1]; Danilovic, Nemanja ^[1]; Kota, Subrahmanyam S. ^[3]; Chang, Kee-Chul ^[1];

^[4]; Strmcnik, Dusan ^[1]; Stamenkovic, Vojislav R. ^[1]; Kanatzidis, Mercouri G. ^[2]; Markovic, Nenad M. ^[1]

Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division
Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division; Northwestern Univ., Evanston, IL (United States). Dept. of Chemistry
Northwestern Univ., Evanston, IL (United States). Dept. of Chemistry
Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division; Univ. of Ljubljana (Slovenia)

Publication Date:: Mon Nov 30 00:00:00 EST 2015

Research Org.:: Argonne National Laboratory (ANL), Argonne, IL (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

OSTI Identifier:: 1248731

Grant/Contract Number:: AC02-06CH11357

Resource Type:: Accepted Manuscript

Journal Name:: Nature Materials

Additional Journal Information:: Journal Volume: 15; Journal Issue: 2; Journal ID: ISSN 1476-1122

Publisher:: Nature Publishing Group

Country of Publication:: United States

Language:: English

Subject:: 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 36 MATERIALS SCIENCE

Citation Formats


                    Staszak-Jirkovský, Jakub, Malliakas, Christos D., Lopes, Pietro P., Danilovic, Nemanja, Kota, Subrahmanyam S., Chang, Kee-Chul, Genorio, Bostjan, Strmcnik, Dusan, Stamenkovic, Vojislav R., Kanatzidis, Mercouri G., and Markovic, Nenad M. Design of active and stable Co-Mo-Sx chalcogels as pH-universal catalyst for the hydrogen evolution reaction.  United States: N. p., 2015. 
Web.  doi:10.1038/NMAT4481.

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                    Staszak-Jirkovský, Jakub, Malliakas, Christos D., Lopes, Pietro P., Danilovic, Nemanja, Kota, Subrahmanyam S., Chang, Kee-Chul, Genorio, Bostjan, Strmcnik, Dusan, Stamenkovic, Vojislav R., Kanatzidis, Mercouri G., & Markovic, Nenad M. Design of active and stable Co-Mo-Sx chalcogels as pH-universal catalyst for the hydrogen evolution reaction.  United States.  https://doi.org/10.1038/NMAT4481

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                    Staszak-Jirkovský, Jakub, Malliakas, Christos D., Lopes, Pietro P., Danilovic, Nemanja, Kota, Subrahmanyam S., Chang, Kee-Chul, Genorio, Bostjan, Strmcnik, Dusan, Stamenkovic, Vojislav R., Kanatzidis, Mercouri G., and Markovic, Nenad M. Mon .  
"Design of active and stable Co-Mo-Sx chalcogels as pH-universal catalyst for the hydrogen evolution reaction".  United States.  https://doi.org/10.1038/NMAT4481.  https://www.osti.gov/servlets/purl/1248731.

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@article{osti_1248731,

  title        = {Design of active and stable Co-Mo-Sx chalcogels as pH-universal catalyst for the hydrogen evolution reaction},

  author       = {Staszak-Jirkovský, Jakub and Malliakas, Christos D. and Lopes, Pietro P. and Danilovic, Nemanja and Kota, Subrahmanyam S. and Chang, Kee-Chul and Genorio, Bostjan and Strmcnik, Dusan and Stamenkovic, Vojislav R. and Kanatzidis, Mercouri G. and Markovic, Nenad M.},

  abstractNote = {Three of the fundamental catalytic limitations that have plagued the electrochemical production of hydrogen for decades still remain: low efficiency, short lifetime of catalysts and a lack of low-cost materials. Here, we address these three challenges by establishing and exploring an intimate functional link between the reactivity and stability of crystalline (CoS2 and MoS2) and amorphous (CoSx and MoSx) hydrogen evolution catalysts. We propose that Co2+ and Mo4+ centers promote the initial discharge of water (alkaline solutions) or hydronium ions (acid solutions). We establish that although CoSx materials are more active than MoSx they are also less stable, suggesting that the active sites are defects formed after dissolution of Co and Mo cations. Finally, by combining the higher activity of CoSx building blocks with the higher stability of MoSx units into a compact and robust CoMoSx structure, we are able to design a low-cost alternative to noble metal catalysts for efficient electrocatalytic production of hydrogen in both alkaline and acidic environments.},

  doi          = {10.1038/NMAT4481},

  journal      = {Nature Materials},

  number       = 2,

  volume       = 15,

  place        = {United States},

  year         = {Mon Nov 30 00:00:00 EST 2015},

  month        = {Mon Nov 30 00:00:00 EST 2015}

}

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Self‐Supportive Mesoporous Ni/Co/Fe Phosphosulfide Nanorods Derived from Novel Hydrothermal Electrodeposition as a Highly Efficient Electrocatalyst for Overall Water Splitting
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A New Defect-Rich CoGa Layered Double Hydroxide as Efficient and Stable Oxygen Evolution Electrocatalyst
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Copper dopants improved the hydrogen evolution activity of earth-abundant cobalt pyrite catalysts by activating the electrocatalytically inert sulfur sites
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Hollow FeNi-based hybrid polyhedron derived from unique sulfur-modulating coordinated transition bimetal complexes for efficient oxygen evolution reactions
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A metal-vacancy-solid-solution NiAlP nanowall array bifunctional electrocatalyst for exceptional all-pH overall water splitting
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A general synthetic approach for hexagonal phase tungsten nitride composites and their application in the hydrogen evolution reaction
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Stepwise synthesis of CoS ₂ –C@CoS ₂ yolk–shell nanocages with much enhanced electrocatalytic performances both in solar cells and hydrogen evolution reactions
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Tailoring the geometric and electronic structure of tungsten oxide with manganese or vanadium doping toward highly efficient electrochemical and photoelectrochemical water splitting
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Synthesis and characterisation of [Cu ₄ In(PPh ₃ ) ₃ SePh(μ-SePh) ₃ (μ ₃ -SePh) ₃ ], and its application as a precursor of a sensitizer for a photocatalyst
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Activating and optimizing the activity of NiCoP nanosheets for electrocatalytic alkaline water splitting through the V doping effect enhanced by P vacancies
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Porous Core–Shell CuCo ₂ S ₄ Nanospheres as Anode Material for Enhanced Lithium‐Ion Batteries
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Interface engineering of a CeO ₂ –Cu ₃ P nanoarray for efficient alkaline hydrogen evolution
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The construction of self-supported thorny leaf-like nickel-cobalt bimetal phosphides as efficient bifunctional electrocatalysts for urea electrolysis
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A universal synthesis strategy to make metal nitride electrocatalysts for hydrogen evolution reaction
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Ruthenium‐Based Single‐Atom Alloy with High Electrocatalytic Activity for Hydrogen Evolution
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In this project, we have employed a systematic approach to develop active, selective, and stable catalyst materials for important electrochemical reactions involving energy conversion. In particular, we have focused our attention on developing active catalyst materials for the hydrogen evolution reaction (HER), oxygen evolution reaction (OER) and oxygen reduction reaction (ORR). HER: We have synthesized and investigated several highly active and acid stable non-precious metal HER catalysts, including: [Mo₃S₁₃]^2- nanoclusters (Nature Chemistry, 2014) and molybdenum phosphosulfide (MoP|S) (Angewandte Chemie, 2014). We have also aimed to engineer these catalyst formulations in a membrane electrode assembly (MEA) for fundamental studies of watermore »« less
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Title: Design of active and stable Co-Mo-Sx chalcogels as pH-universal catalyst for the hydrogen evolution reaction

Abstract

Citation Formats

Interfacing electrochemistry journal, January 2013

Alternative energy technologies journal, November 2001

Photoelectrochemical cells journal, November 2001

Hydrogen-storage materials for mobile applications journal, November 2001

Just a Dream—or Future Reality? journal, April 2009

All-solid-state dye-sensitized solar cells with high efficiency journal, May 2012

Renewable Hydrogen Production: Performance of an Alkaline Water Electrolyzer Working under Emulated Wind Conditions journal, May 2007

Enhancing Hydrogen Evolution Activity in Water Splitting by Tailoring Li+-Ni(OH)2-Pt Interfaces journal, December 2011

Trends in activity for the water electrolyser reactions on 3d M(Ni,Co,Fe,Mn) hydr(oxy)oxide catalysts journal, May 2012

Modern Chlor‐Alkali Technology book, March 2001

Studies of the Hydrogen Evolution Reaction on Raney Nickel–Molybdenum Electrodes journal, July 2004

Kinetics of hydrogen evolution on nickel electrodes journal, November 1990

Hydrogen evolution reaction on Ni-Al electrodes journal, February 1993

Advances in electrocatalysis for hydrogen evolution in the light of the Brewer-Engel valence-bond theory☆ journal, January 1987

Hydrogen evolution reaction on amorphous Ni–S–Co alloy in alkaline medium journal, December 2003

Computational high-throughput screening of electrocatalytic materials for hydrogen evolution journal, October 2006

Identification of Active Edge Sites for Electrochemical H2 Evolution from MoS2 Nanocatalysts journal, July 2007

Building an appropriate active-site motif into a hydrogen-evolution catalyst with thiomolybdate [Mo3S13]2− clusters journal, January 2014

Engineering the surface structure of MoS2 to preferentially expose active edge sites for electrocatalysis journal, October 2012

Earth-Abundant Metal Pyrites (FeS 2 , CoS 2 , NiS 2 , and Their Alloys) for Highly Efficient Hydrogen Evolution and Polysulfide Reduction Electrocatalysis journal, September 2014

High-Performance Electrocatalysis Using Metallic Cobalt Pyrite (CoS 2 ) Micro- and Nanostructures journal, June 2014

Enhanced Hydrogen Evolution Catalysis from Chemically Exfoliated Metallic MoS 2 Nanosheets journal, May 2013

Atomic-Scale Structure of Co–Mo–S Nanoclusters in Hydrotreating Catalysts journal, January 2001

Location and coordination of promoter atoms in Co- and Ni-promoted MoS2-based hydrotreating catalysts journal, July 2007

The role of Co–Mo–S type structures in hydrotreating catalysts journal, April 2007

Comparative atomic-scale analysis of promotional effects by late 3d-transition metals in MoS2 hydrotreating catalysts journal, June 2010

Porous Semiconducting Gels and Aerogels from Chalcogenide Clusters journal, July 2007

Spongy chalcogels of non-platinum metals act as effective hydrodesulfurization catalysts journal, May 2009

Biomimetic Hydrogen Evolution: MoS 2 Nanoparticles as Catalyst for Hydrogen Evolution journal, April 2005

Ab Initio Study of the H2–H2S/MoS2 Gas–Solid Interface: The Nature of the Catalytically Active Sites journal, January 2000

The Reaction Mechanism with Free Energy Barriers for Electrochemical Dihydrogen Evolution on MoS 2 journal, May 2015

Formation of Sulfur Atomic Layers on Gold from Aqueous Solutions of Sulfide and Thiosulfate: Studies Using EC-STM, UHV-EC, and TLEC journal, September 2003

The role of non-covalent interactions in electrocatalytic fuel-cell reactions on platinum journal, August 2009

Improving the hydrogen oxidation reaction rate by promotion of hydroxyl adsorption journal, February 2013

Surface science studies of model fuel cell electrocatalysts journal, April 2002

Unconventional promoters of catalytic activity in electrocatalysis journal, January 2012

Effects of Li + , K + , and Ba 2+ Cations on the ORR at Model and High Surface Area Pt and Au Surfaces in Alkaline Solutions journal, October 2011

Reduction of Oxygen on Dispersed Nanocrystalline CoS 2 journal, November 2012

Structure of Amorphous MoS3 journal, June 1995

Ion-Exchangeable Cobalt Polysulfide Chalcogel journal, February 2011

One-Dimensional Molybdenum Thiochlorides and Their Use in High Surface Area MoS x Chalcogels journal, August 2014

Ion-Exchangeable Molybdenum Sulfide Porous Chalcogel: Gas Adsorption and Capture of Iodine and Mercury journal, October 2015

Turnover Rates in Heterogeneous Catalysis journal, May 1995

Work function, electronegativity, and electrochemical behaviour of metals journal, September 1972

Enhancing the Alkaline Hydrogen Evolution Reaction Activity through the Bifunctionality of Ni(OH) 2 /Metal Catalysts journal, November 2012

Unique Activity of Platinum Adislands in the CO Electrooxidation Reaction journal, November 2008

Activity–Stability Trends for the Oxygen Evolution Reaction on Monometallic Oxides in Acidic Environments journal, July 2014

Functional links between stability and reactivity of strontium ruthenate single crystals during oxygen evolution journal, June 2014

Enhancing the Alkaline Hydrogen Evolution Reaction Activity through the Bifunctionality of Ni(OH) 2 /Metal Catalysts journal, November 2012

Porous Semiconducting Gels and Aerogels from Chalcogenide Clusters. journal, October 2007

Advances in electrocatalysis for hydrogen evolution in the light of the Brewer-Engel valence-bond theory journal, November 1986

Photoelectrochemical Cells journal, February 1980

Ternary Metal Phosphide with Triple-Layered Structure as a Low-Cost and Efficient Electrocatalyst for Bifunctional Water Splitting journal, September 2016

Homologous CoP/NiCoP Heterostructure on N‐Doped Carbon for Highly Efficient and pH‐Universal Hydrogen Evolution Electrocatalysis journal, December 2018

Ternary NiCo 2 P x Nanowires as pH-Universal Electrocatalysts for Highly Efficient Hydrogen Evolution Reaction journal, December 2016

In Situ Transformation of MOFs into Layered Double Hydroxide Embedded Metal Sulfides for Improved Electrocatalytic and Supercapacitive Performance journal, May 2017

Regulating Water-Reduction Kinetics in Cobalt Phosphide for Enhancing HER Catalytic Activity in Alkaline Solution journal, May 2017

Anion-Regulated Selective Generation of Cobalt Sites in Carbon: Toward Superior Bifunctional Electrocatalysis journal, November 2017

Atomic Vacancies Control of Pd-Based Catalysts for Enhanced Electrochemical Performance journal, November 2017

Carbon-Based Photocathode Materials for Solar Hydrogen Production journal, September 2018

Ultrafine Co Nanoparticles Encapsulated in Carbon-Nanotubes-Grafted Graphene Sheets as Advanced Electrocatalysts for the Hydrogen Evolution Reaction journal, June 2018

Boosting Water Dissociation Kinetics on Pt–Ni Nanowires by N‐Induced Orbital Tuning journal, February 2019

Colloidal Synthesis of Mo-Ni Alloy Nanoparticles as Bifunctional Electrocatalysts for Efficient Overall Water Splitting journal, May 2018

Nickel Hydr(oxy)oxide Nanoparticles on Metallic MoS 2 Nanosheets: A Synergistic Electrocatalyst for Hydrogen Evolution Reaction journal, December 2017

Stringing Bimetallic Metal–Organic Framework‐Derived Cobalt Phosphide Composite for High‐Efficiency Overall Water Splitting journal, January 2020

Mixed Metal Sulfides for Electrochemical Energy Storage and Conversion journal, September 2017

Local Charge Distribution Engineered by Schottky Heterojunctions toward Urea Electrolysis journal, August 2018

Trimetallic Sulfide Mesoporous Nanospheres as Superior Electrocatalysts for Rechargeable Zn-Air Batteries journal, October 2018

Construction of CoP/NiCoP Nanotadpoles Heterojunction Interface for Wide pH Hydrogen Evolution Electrocatalysis and Supercapacitor journal, August 2019

Layered Double Hydroxide Nanosheets with Multiple Vacancies Obtained by Dry Exfoliation as Highly Efficient Oxygen Evolution Electrocatalysts journal, April 2017

Highly Tunable Heterojunctions from Multimetallic Sulfide Nanoparticles and Silver Nanowires journal, April 2018

Anodic Hydrazine Oxidation Assists Energy-Efficient Hydrogen Evolution over a Bifunctional Cobalt Perselenide Nanosheet Electrode journal, May 2018

Nanosized Metal Phosphides Embedded in Nitrogen-Doped Porous Carbon Nanofibers for Enhanced Hydrogen Evolution at All pH Values journal, January 2018

Perovskite materials in energy storage and conversion: Perovskite materials in energy storage and conversion journal, May 2016

Chemical Doped Ternary and Quaternary Transition‐Metal‐Based Electrocatalysts for Hydrogen Evolution Reaction journal, September 2019

Synthesis of Ni−MoS x /g‐C 3 N 4 for Photocatalytic Hydrogen Evolution under Visible Light journal, December 2019

Towards Versatile and Sustainable Hydrogen Production through Electrocatalytic Water Splitting: Electrolyte Engineering journal, March 2017

Title: Design of active and stable Co-Mo-S_x chalcogels as pH-universal catalyst for the hydrogen evolution reaction

Interfacing electrochemistry
journal, January 2013

Alternative energy technologies
journal, November 2001

Photoelectrochemical cells
journal, November 2001

Hydrogen-storage materials for mobile applications
journal, November 2001

Just a Dream—or Future Reality?
journal, April 2009

All-solid-state dye-sensitized solar cells with high efficiency
journal, May 2012

Renewable Hydrogen Production: Performance of an Alkaline Water Electrolyzer Working under Emulated Wind Conditions
journal, May 2007

Enhancing Hydrogen Evolution Activity in Water Splitting by Tailoring Li+-Ni(OH)2-Pt Interfaces
journal, December 2011

Trends in activity for the water electrolyser reactions on 3d M(Ni,Co,Fe,Mn) hydr(oxy)oxide catalysts
journal, May 2012

Modern Chlor‐Alkali Technology
book, March 2001

Studies of the Hydrogen Evolution Reaction on Raney Nickel–Molybdenum Electrodes
journal, July 2004

Kinetics of hydrogen evolution on nickel electrodes
journal, November 1990

Hydrogen evolution reaction on Ni-Al electrodes
journal, February 1993

Advances in electrocatalysis for hydrogen evolution in the light of the Brewer-Engel valence-bond theory☆
journal, January 1987

Hydrogen evolution reaction on amorphous Ni–S–Co alloy in alkaline medium
journal, December 2003

Computational high-throughput screening of electrocatalytic materials for hydrogen evolution
journal, October 2006

Identification of Active Edge Sites for Electrochemical H₂ Evolution from MoS₂ Nanocatalysts
journal, July 2007

Building an appropriate active-site motif into a hydrogen-evolution catalyst with thiomolybdate [Mo3S13]2− clusters
journal, January 2014

Engineering the surface structure of MoS₂ to preferentially expose active edge sites for electrocatalysis
journal, October 2012

Earth-Abundant Metal Pyrites (FeS ₂ , CoS ₂ , NiS ₂ , and Their Alloys) for Highly Efficient Hydrogen Evolution and Polysulfide Reduction Electrocatalysis
journal, September 2014

High-Performance Electrocatalysis Using Metallic Cobalt Pyrite (CoS ₂ ) Micro- and Nanostructures
journal, June 2014

Enhanced Hydrogen Evolution Catalysis from Chemically Exfoliated Metallic MoS ₂ Nanosheets
journal, May 2013

Atomic-Scale Structure of Co–Mo–S Nanoclusters in Hydrotreating Catalysts
journal, January 2001

Location and coordination of promoter atoms in Co- and Ni-promoted MoS2-based hydrotreating catalysts
journal, July 2007

The role of Co–Mo–S type structures in hydrotreating catalysts
journal, April 2007

Comparative atomic-scale analysis of promotional effects by late 3d-transition metals in MoS2 hydrotreating catalysts
journal, June 2010

Porous Semiconducting Gels and Aerogels from Chalcogenide Clusters
journal, July 2007

Spongy chalcogels of non-platinum metals act as effective hydrodesulfurization catalysts
journal, May 2009

Biomimetic Hydrogen Evolution: MoS ₂ Nanoparticles as Catalyst for Hydrogen Evolution
journal, April 2005

Ab Initio Study of the H2–H2S/MoS2 Gas–Solid Interface: The Nature of the Catalytically Active Sites
journal, January 2000

The Reaction Mechanism with Free Energy Barriers for Electrochemical Dihydrogen Evolution on MoS ₂
journal, May 2015

Formation of Sulfur Atomic Layers on Gold from Aqueous Solutions of Sulfide and Thiosulfate: Studies Using EC-STM, UHV-EC, and TLEC
journal, September 2003

The role of non-covalent interactions in electrocatalytic fuel-cell reactions on platinum
journal, August 2009

Improving the hydrogen oxidation reaction rate by promotion of hydroxyl adsorption
journal, February 2013

Surface science studies of model fuel cell electrocatalysts
journal, April 2002

Unconventional promoters of catalytic activity in electrocatalysis
journal, January 2012

Effects of Li ⁺ , K ⁺ , and Ba ²⁺ Cations on the ORR at Model and High Surface Area Pt and Au Surfaces in Alkaline Solutions
journal, October 2011

Reduction of Oxygen on Dispersed Nanocrystalline CoS ₂
journal, November 2012

Structure of Amorphous MoS3
journal, June 1995

Ion-Exchangeable Cobalt Polysulfide Chalcogel
journal, February 2011

One-Dimensional Molybdenum Thiochlorides and Their Use in High Surface Area MoS _x Chalcogels
journal, August 2014

Ion-Exchangeable Molybdenum Sulfide Porous Chalcogel: Gas Adsorption and Capture of Iodine and Mercury
journal, October 2015

Turnover Rates in Heterogeneous Catalysis
journal, May 1995

Work function, electronegativity, and electrochemical behaviour of metals
journal, September 1972

Enhancing the Alkaline Hydrogen Evolution Reaction Activity through the Bifunctionality of Ni(OH) ₂ /Metal Catalysts
journal, November 2012

Unique Activity of Platinum Adislands in the CO Electrooxidation Reaction
journal, November 2008

Activity–Stability Trends for the Oxygen Evolution Reaction on Monometallic Oxides in Acidic Environments
journal, July 2014

Functional links between stability and reactivity of strontium ruthenate single crystals during oxygen evolution
journal, June 2014

Enhancing the Alkaline Hydrogen Evolution Reaction Activity through the Bifunctionality of Ni(OH) ₂ /Metal Catalysts
journal, November 2012

Porous Semiconducting Gels and Aerogels from Chalcogenide Clusters.
journal, October 2007

Advances in electrocatalysis for hydrogen evolution in the light of the Brewer-Engel valence-bond theory
journal, November 1986

Photoelectrochemical Cells
journal, February 1980

Ternary Metal Phosphide with Triple-Layered Structure as a Low-Cost and Efficient Electrocatalyst for Bifunctional Water Splitting
journal, September 2016

Homologous CoP/NiCoP Heterostructure on N‐Doped Carbon for Highly Efficient and pH‐Universal Hydrogen Evolution Electrocatalysis
journal, December 2018

Ternary NiCo ₂ P _x Nanowires as pH-Universal Electrocatalysts for Highly Efficient Hydrogen Evolution Reaction
journal, December 2016

In Situ Transformation of MOFs into Layered Double Hydroxide Embedded Metal Sulfides for Improved Electrocatalytic and Supercapacitive Performance
journal, May 2017

Regulating Water-Reduction Kinetics in Cobalt Phosphide for Enhancing HER Catalytic Activity in Alkaline Solution
journal, May 2017

Anion-Regulated Selective Generation of Cobalt Sites in Carbon: Toward Superior Bifunctional Electrocatalysis
journal, November 2017

Atomic Vacancies Control of Pd-Based Catalysts for Enhanced Electrochemical Performance
journal, November 2017

Carbon-Based Photocathode Materials for Solar Hydrogen Production
journal, September 2018

Ultrafine Co Nanoparticles Encapsulated in Carbon-Nanotubes-Grafted Graphene Sheets as Advanced Electrocatalysts for the Hydrogen Evolution Reaction
journal, June 2018

Boosting Water Dissociation Kinetics on Pt–Ni Nanowires by N‐Induced Orbital Tuning
journal, February 2019

Colloidal Synthesis of Mo-Ni Alloy Nanoparticles as Bifunctional Electrocatalysts for Efficient Overall Water Splitting
journal, May 2018

Nickel Hydr(oxy)oxide Nanoparticles on Metallic MoS ₂ Nanosheets: A Synergistic Electrocatalyst for Hydrogen Evolution Reaction
journal, December 2017

Stringing Bimetallic Metal–Organic Framework‐Derived Cobalt Phosphide Composite for High‐Efficiency Overall Water Splitting
journal, January 2020

Mixed Metal Sulfides for Electrochemical Energy Storage and Conversion
journal, September 2017

Local Charge Distribution Engineered by Schottky Heterojunctions toward Urea Electrolysis
journal, August 2018

Trimetallic Sulfide Mesoporous Nanospheres as Superior Electrocatalysts for Rechargeable Zn-Air Batteries
journal, October 2018

Construction of CoP/NiCoP Nanotadpoles Heterojunction Interface for Wide pH Hydrogen Evolution Electrocatalysis and Supercapacitor
journal, August 2019

Layered Double Hydroxide Nanosheets with Multiple Vacancies Obtained by Dry Exfoliation as Highly Efficient Oxygen Evolution Electrocatalysts
journal, April 2017

Highly Tunable Heterojunctions from Multimetallic Sulfide Nanoparticles and Silver Nanowires
journal, April 2018

Anodic Hydrazine Oxidation Assists Energy-Efficient Hydrogen Evolution over a Bifunctional Cobalt Perselenide Nanosheet Electrode
journal, May 2018

Nanosized Metal Phosphides Embedded in Nitrogen-Doped Porous Carbon Nanofibers for Enhanced Hydrogen Evolution at All pH Values
journal, January 2018

Perovskite materials in energy storage and conversion: Perovskite materials in energy storage and conversion
journal, May 2016

Chemical Doped Ternary and Quaternary Transition‐Metal‐Based Electrocatalysts for Hydrogen Evolution Reaction
journal, September 2019

Synthesis of Ni−MoS _x /g‐C ₃ N ₄ for Photocatalytic Hydrogen Evolution under Visible Light
journal, December 2019

Towards Versatile and Sustainable Hydrogen Production through Electrocatalytic Water Splitting: Electrolyte Engineering
journal, March 2017

Strongly Coupled Molybdenum Carbide on Carbon Sheets as a Bifunctional Electrocatalyst for Overall Water Splitting
journal, August 2017

Hydrogen Evolution Activity of Ruthenium Phosphides Encapsulated in Nitrogen- and Phosphorous-Codoped Hollow Carbon Nanospheres
journal, January 2018