Facile synthesis of hexagonal α-Co(OH)<sub>2</sub> nanosheets and their superior activity in the selective reduction of nitro compounds

Guo, Jiahui; Feng, Xueqing; Wang, Songrui; Wu, Qiong; Lv, Shanshan; Zhou, Yan; Li, Han; Chen, Zheng; Zhang, Yuzhong

doi:10.1039/d1dt03407c

Cited by 9 publications

(2 citation statements)

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“…2i ). 44 We also obtained consistent information from the infrared spectra, in which the characteristic peak located at ∼3320 cm −1 revealed the existence of abundant surface –OH groups on the CeO x support (Fig. S9 † ).…”

Section: Resultssupporting

confidence: 70%

“…43 We analyzed the O 1s spectra of CeO x and found that CeO x is prone to adsorb water (H 2 O, located at 533.3 eV) in the environment and formed a large number of surface hydroxyl groups (-OH, located at 532.0 eV) althrough samples to be characterized are all after heattreatment. 44 We also get consistent information from the infrared spectrum, in which characteristic peak located at ~3320 cm -1 revealed the existence of abundant surface -OH on CeO x support (Fig. S9).…”

Section: Synthesis and Characterization Of Cu 1 /Ceo X Nanorodssupporting

confidence: 73%

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Single-atom copper catalyst for the S-arylation reaction to produce diaryl disulfides

Zhao

Zhou

et al. 2023

Chem. Sci.

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Section: Resultssupporting

confidence: 70%

Section: Synthesis and Characterization Of Cu 1 /Ceo X Nanorodssupporting

confidence: 73%

Single-atom copper catalyst for the S-arylation reaction to produce diaryl disulfides

Zhao

Zhou

et al. 2023

Chem. Sci.

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Evolution of Ultrathin CoFe‐Nanomesh for Oxygen Evolution Reaction: From Slit Pores to Ink‐Bottle Pores

Sharma,

Paul

2024

Chemistry An Asian Journal

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The time‐dependent mechanism underlying the formation of Co0.8Fe0.2(OH)x‐t nanomesh (nanomesh having 80% Co and 20% Fe, “t” represents materials synthesis time) has been identified towards the development of a highly effective catalyst for the OER. Utilizing 2‐ethyl imidazole as an etching reagent and the Ostwald ripening process enabled the evolution of nanomesh formation with a precise pore size of inkbottle shape. Material characterization confirmed the evolution of pore structure from layered double hydroxide‐like structure to hierarchical slit‐pores to uniform ink‐bottle pores after 24 h of synthesis with limited pore shrinkage attributable to iron redeposition at the pore entrances. AFM showed a gradual reduction in nanomesh thickness with an increase in synthesis time up to 24 h, indicative of successful exfoliation. The best catalyst (Co0.8Fe0.2(OH)x‐24h) was developed after 24 h of synthesis, having 3.8 nm ink‐bottle‐shaped pores on the basal plane of nanosheets with only 3‐4 layers. Co0.8Fe0.2(OH)x‐24h exhibited the best catalytic performance, characterized by a 330 mV overpotential, a mass activity of 309.1 A/g, and a turnover frequency of 2.28 s‐1. An increased electrochemical surface area (70.74 cm²) and a high roughness factor of approximately 1010 underlined the importance of narrow mesopores in facilitating catalyst‐electrolyte interactions and improving mass transport.

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Carbon coated LaFe0.92Pd0.08O3 composites for catalytic transfer hydrogenation: Balance in the ability of substrates adsorption and conversion

Wang,

Zhang,

Xiao

et al. 2023

Nano Res.

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Facile synthesis of hexagonal α-Co(OH)₂ nanosheets and their superior activity in the selective reduction of nitro compounds

Abstract: Novel hexagonal α-cobalt hydroxide nanosheets are synthesized through a 2-methylimidazole-induced hydrolysis strategy with cetyltrimethylammonium bromide (CTAB) as a surfactant.

Cited by 9 publications

References 50 publications

Single-atom copper catalyst for the S-arylation reaction to produce diaryl disulfides

Single-atom copper catalyst for the S-arylation reaction to produce diaryl disulfides

Evolution of Ultrathin CoFe‐Nanomesh for Oxygen Evolution Reaction: From Slit Pores to Ink‐Bottle Pores

Carbon coated LaFe0.92Pd0.08O3 composites for catalytic transfer hydrogenation: Balance in the ability of substrates adsorption and conversion

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Facile synthesis of hexagonal α-Co(OH)2 nanosheets and their superior activity in the selective reduction of nitro compounds

Abstract: Novel hexagonal α-cobalt hydroxide nanosheets are synthesized through a 2-methylimidazole-induced hydrolysis strategy with cetyltrimethylammonium bromide (CTAB) as a surfactant.

Cited by 9 publications

References 50 publications

Single-atom copper catalyst for the S-arylation reaction to produce diaryl disulfides

Single-atom copper catalyst for the S-arylation reaction to produce diaryl disulfides

Evolution of Ultrathin CoFe‐Nanomesh for Oxygen Evolution Reaction: From Slit Pores to Ink‐Bottle Pores

Carbon coated LaFe0.92Pd0.08O3 composites for catalytic transfer hydrogenation: Balance in the ability of substrates adsorption and conversion

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Product

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About

Facile synthesis of hexagonal α-Co(OH)₂ nanosheets and their superior activity in the selective reduction of nitro compounds