Ternary Ni–Co–P nanoparticles as noble-metal-free catalysts to boost the hydrolytic dehydrogenation of ammonia-borane

Hou, Chun‐Chao; Li, Qiang; Wang, Chuanjun; Peng, Cheng‐Yun; Chen, Qianqian; Ye, Hui-Fang; Fu, Wen‐Fu; Che, Chi‐Ming; López, Núria; Chen, Yong

doi:10.1039/c7ee01553d

Cited by 236 publications

(131 citation statements)

References 61 publications

Supporting

Mentioning

123

Contrasting

Order By: Relevance

“…[16b] The hybrid Co 3 O 4 /CNT and Co 3 O 4 /rGO were synthesized by af acile scalable approach involving ah ydrothermalr eaction in an autoclave (Supporting Information) [20] and Co 3 O 4 phosphorized with NaH 2 PO 2 to form the CoP-embedded carbonaceousmaterials (Scheme 1). [21] The CoP NP loadings on the CNTso rr GO werec ontrolled to 43 and 48 wt %, respectively.T he amounts were determined by elemental analysis using inductively coupledp lasma-atomic emission spectrometry (ICP-AES). The Co:P atomicr atios were 0.93:1 and 1:0.96 for the former and latter,r espectively,c onfirming successful formation of the desired CoP NPs.…”

mentioning

confidence: 99%

Highly Efficient Photocatalytic System Constructed from CoP/Carbon Nanotubes or Graphene for Visible‐Light‐Driven CO₂ Reduction

Moore

et al. 2018

Chemistry A European J

Self Cite

View full text Add to dashboard Cite

Visible-light-driven conversion of CO to CO and high-value-added carbon products is a promising strategy for mitigating CO emissions and reserving solar energy in chemical form. We report an efficient system for CO transformation to CO catalyzed by bare CoP, hybrid CoP/carbon nanotubes (CNTs), and CoP/reduced graphene oxide (rGO) in mixed aqueous solutions containing a Ru-based photosensitizer, under visible-light irradiation. The in situ prepared hybrid catalysts CoP/CNT and CoP/rGO show excellent catalytic activities in CO reduction to CO, with a catalytic rates of up to 39 510 and 47 330 μmol h g in the first 2 h of reaction, respectively; a high CO selectivity of 73.1 % for the former was achieved in parallel competing reactions in the photoreduction of CO and H O. A combination of experimental and computational studies clearly shows that strong interactions between CoP and carbon-supported materials and partially adsorbed H O molecules on the catalyst surface significantly improve CO-generating rates.

show abstract

mentioning

confidence: 99%

Highly Efficient Photocatalytic System Constructed from CoP/Carbon Nanotubes or Graphene for Visible‐Light‐Driven CO₂ Reduction

Moore

et al. 2018

Chemistry A European J

Self Cite

View full text Add to dashboard Cite

show abstract

“…Notably,aweak peak at 2.6 was assigned to Co(2) coordination with OH anions( bond distance 3.08 ) ( Figure 4a). [32,39,40] Furthermore, the XANES fitting of Dexter-Silverton NiCo-POM/Ni indicated that the Co centres were six-coordinate and occupied the nearly octahedral environment in the NiCo-POM/Ni.B ased on the XPS, XANES and ICP-AES data ( The NiM-POM/Ni composites were investigated as electrocatalysts for HER in alkaline aqueous KOH as electrolyte. In order to evaluatethe HER performance of the Ni-POM/Ni, NiCo-POM/ Ni, NiZn-POM/Ni,a nd NiMn-POM/Ni,atypicalt hree-electrode system in an N 2 -saturated 1.0 m KOH aqueous solution was applied by using the correspondingc omposites as working electrodes, as aturated calomel electrode as reference electrode and ac arbon rod as counter electrode.…”

Section: Resultsmentioning

confidence: 98%

Devisable POM/Ni Foam Composite: Precisely Control Synthesis toward Enhanced Hydrogen Evolution Reaction at High pH

Jia

Streb

Song

2019

Chemistry A European J

View full text Add to dashboard Cite

Polyoxometalates (POMs) are promising catalysts for the electrochemical hydrogen production from water owing to their high intrinsic catalytic activity and chemical tunability.H owever,p oor electrical conductivity and easy detachment of the POMs from the electrode cause significant challenges under operating condition. Herein, as imple onestep hydrothermal methodi sr eportedt os ynthesize as eries of Dexter-Silverton POM/Ni foam composites (denoted as NiM-POM/Ni; M = Co, Zn, Mn), in which the stable linkage between the POM catalysts and the Ni foam electrodes lead to high activity for the hydrogen evolution reaction (HER).Amongthem, the highest HER performance can be observed in the NiCo-POM/Ni, featuring an overpotential of 64 mV (at 10 mA cm À2 ,v s. reversible hydrogen electrode), and aT afel slope of 75 mV dec À1 in 1.0 m aqueous KOH. Moreover, the NiCo-POM/Ni catalyst showedahigh faradaic efficiency % 97 %f or HER. Post-catalytic of NiCo-POM/Ni analyses showedv irtually no mechanical or chemical degradation. The findings propose af acile and inexpensivem ethodt o designs table and effective POM-based catalysts for HER in alkaline water electrolysis.

show abstract

“…Perhaps the presence of hydroxide accelerates the hydrogen production of AB and competes with transfer hydrogenation (Figure S2). However, the reason for the improved activity in the presence of extra OH − was still unclear …”

Section: Resultsmentioning

confidence: 99%

Transfer Hydrogenation of Nitroarenes Catalyzed by CoCu Anchored on Nitrogen‐doped Porous Carbon

Liu

Zhang

Wang

et al. 2020

Applied Organom Chemis

View full text Add to dashboard Cite

The non‐precious metal catalysts with high catalytic activity is extremely desirable but still full of challenges. In this paper, CoCu bimetal immobilized on nitrogen‐doped porous carbon (CoCu‐N‐C) was prepared by an effective ligand‐stabilized pyrolysis strategy. CoCu‐N‐C exhibited excellent catalytic efficiency for the transfer hydrogenation of nitroarenes with ammonia borane as hydrogen source, which can be ascribed to the well dispersed metal nanoparticles, the synergetic interaction of CoCu bimetal and nitrogen‐doped carbon. The durability and recyclability experiments of the recycled CoCu‐N‐C catalyst indicated that no obvious change in catalytic performance was observed after five consecutive cycles. To gain insight into the catalytic mechanism of CoCu‐N‐C for the hydrogenation reaction, density functional theory calculations was also conducted. This work provides an universal approach for constructing highly efficient non‐precious metal heterogeneous catalysts and which may find diverse high performance applications.

show abstract

Ternary Ni–Co–P nanoparticles as noble-metal-free catalysts to boost the hydrolytic dehydrogenation of ammonia-borane

Abstract: Ternary Ni–Co–P nanoparticles with optimized electronic structures strongly interact with ammonia-borane, resulting in the marked improvement of catalytic activity.

Cited by 236 publications

References 61 publications

Highly Efficient Photocatalytic System Constructed from CoP/Carbon Nanotubes or Graphene for Visible‐Light‐Driven CO₂ Reduction

Highly Efficient Photocatalytic System Constructed from CoP/Carbon Nanotubes or Graphene for Visible‐Light‐Driven CO₂ Reduction

Devisable POM/Ni Foam Composite: Precisely Control Synthesis toward Enhanced Hydrogen Evolution Reaction at High pH

Transfer Hydrogenation of Nitroarenes Catalyzed by CoCu Anchored on Nitrogen‐doped Porous Carbon

Contact Info

Product

Resources

About

Ternary Ni–Co–P nanoparticles as noble-metal-free catalysts to boost the hydrolytic dehydrogenation of ammonia-borane

Abstract: Ternary Ni–Co–P nanoparticles with optimized electronic structures strongly interact with ammonia-borane, resulting in the marked improvement of catalytic activity.

Cited by 236 publications

References 61 publications

Highly Efficient Photocatalytic System Constructed from CoP/Carbon Nanotubes or Graphene for Visible‐Light‐Driven CO2 Reduction

Highly Efficient Photocatalytic System Constructed from CoP/Carbon Nanotubes or Graphene for Visible‐Light‐Driven CO2 Reduction

Devisable POM/Ni Foam Composite: Precisely Control Synthesis toward Enhanced Hydrogen Evolution Reaction at High pH

Transfer Hydrogenation of Nitroarenes Catalyzed by CoCu Anchored on Nitrogen‐doped Porous Carbon

Contact Info

Product

Resources

About

Highly Efficient Photocatalytic System Constructed from CoP/Carbon Nanotubes or Graphene for Visible‐Light‐Driven CO₂ Reduction

Highly Efficient Photocatalytic System Constructed from CoP/Carbon Nanotubes or Graphene for Visible‐Light‐Driven CO₂ Reduction