A facile surfactant-free synthesis of Rh flower-like nanostructures constructed from ultrathin nanosheets and their enhanced catalytic properties

Jiang, Yaqi; Su, Jingyun; Yang, Yanan; Jia, Yanyan; Chen, Qiaoli; Xie, Zhaoxiong; Zheng, Lan‐Sun

doi:10.1007/s12274-015-0964-y

Cited by 55 publications

(52 citation statements)

References 46 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Rh nanostructures are widely applied in catalytic reactions such as hydrogen generation, 27 electrocatalytic oxidation, 28 hydrogenation 29 and hydroformylation. 30 In particular, in the field of hydrogen generation, Rh nanostructures have been proved to be highly efficient catalysts for the catalytic hydrolysis of chemical hydrides (such as N 2 H 4 ·H 2 O 27 and NH 3 BH 3 31 ).…”

Section: Introductionmentioning

confidence: 99%

Bimetallic AuRh nanodendrites consisting of Au icosahedron cores and atomically ultrathin Rh nanoplate shells: synthesis and light-enhanced catalytic activity

et al. 2017

View full text Add to dashboard Cite

Precise control of the morphology, composition and structure of metal nanostructures not only effectively improves their catalytic activity and durability but also enhances their range of applications. In this work, bimetallic Au@Rh core-shell nanodendrites are synthesized by a facile one-pot hydrothermal method. Physical characterizations show that the dendritic Rh consists of two-dimensional (2D) ultrathin Rh nanoplates with a thickness of approximately 1.2 nm. For the first time, Au@Rh core-shell nanostructures are used as a catalyst for the hydrogen generation reaction from aqueous hydrazine solution (N 2 H 4 = N 2 +2H 2 , HGR-N 2 H 4 ). Bimetallic Au@Rh core-shell nanodendrites exhibit improved catalytic activity and durability for the HGR-N 2 H 4 compared with commercial Rh nanocrystals, which can be attributed to the atomically ultrathin structure of 2D Rh nanoplates and the interconnected structure of nanodendrites, respectively. Under light irradiation, bimetallic Au@Rh core-shell nanodendrites show light-enhanced catalytic activity for the HGR-N 2 H 4 , originating from the distinctive localized surface plasmon resonance of Au icosahedron cores.

show abstract

Section: Introductionmentioning

confidence: 99%

Bimetallic AuRh nanodendrites consisting of Au icosahedron cores and atomically ultrathin Rh nanoplate shells: synthesis and light-enhanced catalytic activity

et al. 2017

View full text Add to dashboard Cite

show abstract

“…6 We also found that formaldehyde was a crucial factor in the formation of Rh ultrathin nanosheets in the previous work. 37 We further evaluated the other factor affecting the formation of the excavated structure. By changing the initial molar ratio of the Co and Pt precursors, a series of rhombic dodecahedral structures with different concavity degrees appeared (Fig.…”

Section: Resultsmentioning

confidence: 99%

PtCo-excavated rhombic dodecahedral nanocrystals for efficient electrocatalysis

Shen

Wei

et al. 2020

Nanoscale Adv.

Self Cite

View full text Add to dashboard Cite

show abstract

“…The major limitation associated with 2D materials in the application of catalysis lies in the insufficient internal spaces resulting from their restacking. Constructing 3D hierarchical structures with 2D nanosheets could satisfy this requirement . It is anticipated that high‐dimensional frameworks would inherit the high exposed sites of low‐dimensional nanosheets, and achieve additional advantages such as large open spaces and easier mass diffusion from the secondary architectures at the same time.…”

Section: Introductionmentioning

confidence: 99%

Nanosheet‐Assembled Hierarchical Carbon Nanoframeworks Bearing a Multiactive Center for Oxygen Reduction Reaction

et al. 2018

Small Methods

View full text Add to dashboard Cite

Designing noble metal‐free electrocatalysts with novel structure and high performance for the oxygen reduction reaction (ORR) has been long pursued in many electrochemical energy storage and conversion technologies but remains a great challenge. Here, a novel zirconium‐porphyrin metal–organic framework (MOF) hierarchical nanoframework structure assembled by nanosheets is synthesized. Subsequent pyrolysis and acid etching of such material generates N‐doped hierarchical graphitic carbon nanoframework (N‐GCF) equipped with M‐N4 units. The N‐GCF catalyst demonstrates high ORR activity and stability with large diffusion‐limited current density (6.19 mA cm−2) and half‐wave potential (0.83 V vs reversible hydrogen electrode), which is one of the best carbon‐based ORR catalysts in basic electrolyte. Systematic experiments and characterizations reveal that favorable internal spaces and pores, unique hierarchical structure, and numerous nitrogen‐doped and metal‐N4 species synergistically contribute to the remarkably enhanced catalytic activity for ORR. This work is expected to expand the toolbox for the design and synthesis of MOF‐derived functional materials for electrochemical applications.

show abstract

A facile surfactant-free synthesis of Rh flower-like nanostructures constructed from ultrathin nanosheets and their enhanced catalytic properties

Cited by 55 publications

References 46 publications

Bimetallic AuRh nanodendrites consisting of Au icosahedron cores and atomically ultrathin Rh nanoplate shells: synthesis and light-enhanced catalytic activity

Bimetallic AuRh nanodendrites consisting of Au icosahedron cores and atomically ultrathin Rh nanoplate shells: synthesis and light-enhanced catalytic activity

PtCo-excavated rhombic dodecahedral nanocrystals for efficient electrocatalysis

Nanosheet‐Assembled Hierarchical Carbon Nanoframeworks Bearing a Multiactive Center for Oxygen Reduction Reaction

Contact Info

Product

Resources

About