Single-Atom to Ultrasmall Au Nanoparticles Anchored on NiFe Layered Double Hydroxide as Catalyst for Oxygen and Hydrogen Evolution Reactions DOI Creative Commons
Supak Pattaweepaiboon,

Panisara Samarungkasut,

Pawin Iamprasertkun

et al.

ACS Applied Nano Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 20, 2024

Owing to the limited supply and high cost, rational design of precious metal-based catalysts is essential importance for boosting electrocatalytic activity. Herein, variation Au species from single-atoms ultrasmall nanoparticles (3–6 nm) deposited on NiFe-layered double hydroxide (NiFe-LDH) was investigated as a bifunctional electrocatalyst oxygen hydrogen evolution reactions. The brucite-like layered structure NiFe-LDH verified by X-ray diffraction. existence single-atom well local bonding environment were evaluated high-resolution transmission electron microscopy photoelectron spectroscopy. integration into single atoms metallic shows significant improvement in activity 1 M KOH. Single-atom Au/NiFe-LDH (2Au/NiFe-LDH, 0.21 wt % Au) delivers lowest overpotential 209 mV catalyze 10 mA cm–2 OER current density with Tafel slope 46.5 dec–1. On other hand, nanoparticles/NiFe-LDH (50Au/NiFe-LDH, 3.22 possesses an 150 at HER 134.5 For overall water splitting, under optimum conditions, 2Au/NiFe-LDH//50Au/NiFe-LDH couple requires cell potentials 1.62 1.78 V deliver 100 These findings provide insights effect decoration catalyst surface efficient performance production O2 H2 alkaline electrolyte.

Language: Английский

RuxMoS2 interfacial heterojunctions achieve efficient overall water splitting and stability in both alkaline and acidic media under large current density exceeding 100 mA cm-2 DOI
Pingping Li, Songwen Luo,

Zhihui Xiong

et al.

Molecular Catalysis, Journal Year: 2024, Volume and Issue: 570, P. 114710 - 114710

Published: Nov. 22, 2024

Language: Английский

Citations

6
NiSbSn0.5O4.5 medium-entropy alloy oxidation for hydrogen evolution and 5-hydroxymethylfurfural oxidation DOI
Hui Jia,

Chunfu Yan,

Yongzheng Shi

et al.

Materials Letters, Journal Year: 2025, Volume and Issue: unknown, P. 138479 - 138479

Published: March 1, 2025

Language: Английский

Citations

0
Hierarchical Hollow Microspheres Assembled from Sulfide-incorporated NiFe-Layered Double Hydroxides for Efficient Electrocatalytic Water Splitting with Low Overpotentials DOI

Sojin Jung,

Jun Ho Shim

ACS Applied Energy Materials, Journal Year: 2025, Volume and Issue: unknown

Published: April 13, 2025

Language: Английский

Citations

0
Vanadium-doped induced multicomponent oxide NiFeVOX@NF with tremella-like structure for efficient overall water splitting DOI
Qian Xu, Hongfang Jiu, Lixin Zhang

et al.

International Journal of Hydrogen Energy, Journal Year: 2025, Volume and Issue: 126, P. 508 - 515

Published: April 14, 2025

Language: Английский

Citations

0
Highly efficient Ni0.85Se nanosheets for urea-assisted hydrogen evolution in alkaline seawater DOI

Shrine Maria Nithya Jeghan,

Yeon Ho Jeong, Gibaek Lee

et al.

Inorganic Chemistry Communications, Journal Year: 2025, Volume and Issue: unknown, P. 114579 - 114579

Published: April 1, 2025

Language: Английский

Citations

0
Localized Phosphorization Synthesis of Vacancy-Rich NiCo2O4/NiCoP Urchin-like Heterojunction for Alkaline Electrocatalytic Water Splitting DOI
Tao Wen, Man Yang, Jing Zou

et al.

Industrial & Engineering Chemistry Research, Journal Year: 2025, Volume and Issue: unknown

Published: April 24, 2025

Language: Английский

Citations

0
Microwave quasi-solid-state-constructed low-content Pt on CeO2 with strong electronic interactions for efficient electrocatalytic acidic overall water splitting DOI
Jing Li, Qihao Wang, Ruiqi Guo

et al.

Inorganic Chemistry Frontiers, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

Pt-loaded CeO 2 cubes were designed via a rapid and eco-friendly ultrafast microwave quasi-solid-state approach within 60 s, which exhibited low overpotential of 10 mV to reach mA cm −2 in 0.5 M H SO 4 with excellent long-term stability.

Language: Английский

Citations

0
Ni–O–C/LNSP Core–Shell Heterostructure Mimicking Noble Metal-like Activity and Nonenzymatic Electrochemical Lactate Regulation in Human Sweat DOI
Kuldeep Kumar,

Dhanasingh Thiruvengadam,

Arokiadoss Davidrichetson

et al.

Langmuir, Journal Year: 2025, Volume and Issue: unknown

Published: March 5, 2025

Herein, a core/shell LNSP (lamellar nanosheet–nanoplate) of nickel oxy carbide (Ni–O–C/LNSP) has been synthesized by solvent-devoid combustion process, which exhibits exceptional oxygen evolution efficiency (OER) performance with an overpotential 311 mV, Tafel slope 116 mV dec–1, and stability over 8 h 2.8% potential loss owing to more exposed active sites high conductivity the interface effect. The activation energy 28 kJ/mol was calculated for electrolysis using Ni–O–C/LNSP. integrated area 3.70 × 10–5 AV established MOOH* formation 4.619 10–16. ultrastability Ni–O–C/LNSP commercial application shown durability at 10/100 mA cm–2 OER (GC─8 h, 2.8%; NF─100 3.4/4.9%), UOR (60 3.4%), SWO 4.1%), MSWO 5.6%), overall water splitting (100 3.9%). effect pH addition tetramethylammonium cations (TMA+) reveals follows lattice mechanism. solar-driven 1.58 V shows effectiveness STH conversion. multiple applications projected as auspicious catalyst applications. Using Ni–O–C/LNSP, we have generated H2 effectively lower power consumption 771.08 LH2 kW h–1 than bare NiO (801 h–1). as-prepared used nonenzymatic lactate detection showed sensitivity 71.05 μA mM–1 1.54 [lactate] difference in human sweat corroborated under both anaerobic aerobic exercise conditions

Language: Английский

Citations

0
Single-Atom to Ultrasmall Au Nanoparticles Anchored on NiFe Layered Double Hydroxide as Catalyst for Oxygen and Hydrogen Evolution Reactions DOI Creative Commons
Supak Pattaweepaiboon,

Panisara Samarungkasut,

Pawin Iamprasertkun

et al.

ACS Applied Nano Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 20, 2024

Owing to the limited supply and high cost, rational design of precious metal-based catalysts is essential importance for boosting electrocatalytic activity. Herein, variation Au species from single-atoms ultrasmall nanoparticles (3–6 nm) deposited on NiFe-layered double hydroxide (NiFe-LDH) was investigated as a bifunctional electrocatalyst oxygen hydrogen evolution reactions. The brucite-like layered structure NiFe-LDH verified by X-ray diffraction. existence single-atom well local bonding environment were evaluated high-resolution transmission electron microscopy photoelectron spectroscopy. integration into single atoms metallic shows significant improvement in activity 1 M KOH. Single-atom Au/NiFe-LDH (2Au/NiFe-LDH, 0.21 wt % Au) delivers lowest overpotential 209 mV catalyze 10 mA cm–2 OER current density with Tafel slope 46.5 dec–1. On other hand, nanoparticles/NiFe-LDH (50Au/NiFe-LDH, 3.22 possesses an 150 at HER 134.5 For overall water splitting, under optimum conditions, 2Au/NiFe-LDH//50Au/NiFe-LDH couple requires cell potentials 1.62 1.78 V deliver 100 These findings provide insights effect decoration catalyst surface efficient performance production O2 H2 alkaline electrolyte.

Language: Английский

Citations

0