Nanocomposite oxygen reduction electrocatalysts formed using bioderived reducing agents

Johnson, Lee; Thielemans, Wim; Walsh, Darren A.

doi:10.1039/b922423h

Cited by 36 publications

(17 citation statements)

References 44 publications

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“…18. intrinsic reductive properties of nanocellulose hydroxyl and aldehyde groups [321][322][323] . In a unique example, by combining CNCs with Ag wire in the presence of light, the CNCs were able to grow small, catalytically active Ag nanoparticles from their surface 324 .…”

Section: Nanocellulose-inorganic Nanoparticle Compositesmentioning

confidence: 99%

Nanocellulose, a Versatile Green Platform: From Biosources to Materials and Their Applications

Thomas¹,

Raj²,

B³

et al. 2018

Chem. Rev.

1,268

752

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With increasing environmental and ecological concerns due to the use of petroleum based chemicals and products, the synthesis of fine chemicals and functional materials from natural resources is of great public value. Nanocellulose may prove to be one of the most promising green materials of modern times due to its intrinsic properties, renewability and abundance. In this review, we present nanocellulose-based materials from sourcing, synthesis, and surface modification of nanocellulose, to materials formation and applications. Nanocellulose can be sourced from biomass, plants or bacteria, relying of fairly simple, scalable and efficient isolation techniques. Mechanical, chemical, enzymatic treatments, or a combination of these, can be used to extract nanocellulose from natural sources. The properties of nanocellulose are dependent on the source, the isolation technique and potential subsequent surface transformations. Nanocellulose surface modification techniques are typically used to introduce either charged or hydrophobic moieties, and include: amidation, esterification, etherification, silylation, polymerization, urethanization, sulfonationand phosphorylation. Nanocellulose has excellent strength, Young's modulus, biocompatibility, and tunable self-assembly, thixotropic and photonic properties, which are essential for the applications of this material. Nanocellulose participates in the fabrication of a large range of nanomaterials and nanocomposites, including those based on polymers, metals, metal oxides and carbon. In particular, nanocellulose complements organic-based materials, where it imparts its mechanical properties to the composite. Nanocellulose is a promising material whenever material strength, flexibility and/or specific nanostructuring are required. Applications include functional paper, optoelectronics and antibacterial coatings, packaging, mechanically reinforced polymer composites, tissue scaffolds, drug delivery, biosensors, energy storage, catalysis, environmental remediation and 3 electrochemical controlled separation. Phosphorylated nanocellulose is a particularly interesting material, spanning a surprising set of applications in various dimensions including bone scaffolds, adsorbents, flame retardants and as a support for the heterogenization of homogeneous catalysts.

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Section: Nanocellulose-inorganic Nanoparticle Compositesmentioning

confidence: 99%

Nanocellulose, a Versatile Green Platform: From Biosources to Materials and Their Applications

Thomas¹,

Raj²,

B³

et al. 2018

Chem. Rev.

1,268

752

View full text Add to dashboard Cite

show abstract

“…In this method, the nanocelluloses act as both support and reducers for the generation of NPs. Through this approach, Ag NPs, 54,103,112,142 AgCl NPs, 114 Au NPs, 143 Pd NPs, 144,145 Pt NPs, 5,146,147 Cu 0.5 Co 0.5 Fe 2 O 4 NPs, 119 Fe 3 O 4 NPs, 120 Se NPs, 122 Ni NPs 121 and Fe 148 NPs have been synthesized via hydrothermal procedures. Remarkably, Thielemans, Walsh and coll.…”

Section: Synthesis Of Metal Npsmentioning

confidence: 99%

Review: nanocelluloses as versatile supports for metal nanoparticles and their applications in catalysis

2016

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“…In order to avoid the use of these agents, green approaches to Au NPs are necessary. To date, green syntheses of silver and platinum NPs using hydroxyl group-containing biomaterials as a reducing agent [23][24][25][26][27][28][29][30] have been reported but the green reduction of Au NPs is scarce. Johnston et al 31 prepared Au NPs using lignincontaining cellulose fibers as a reducing agent.…”

Section: Introductionmentioning

confidence: 99%

Green synthesis and formation mechanism of cellulose nanocrystal-supported gold nanoparticles with enhanced catalytic performance

Zhou

et al. 2014

Environ. Sci.: Nano

199

136

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Nanocomposite oxygen reduction electrocatalysts formed using bioderived reducing agents

Cited by 36 publications

References 44 publications

Nanocellulose, a Versatile Green Platform: From Biosources to Materials and Their Applications

Nanocellulose, a Versatile Green Platform: From Biosources to Materials and Their Applications

Review: nanocelluloses as versatile supports for metal nanoparticles and their applications in catalysis

Green synthesis and formation mechanism of cellulose nanocrystal-supported gold nanoparticles with enhanced catalytic performance

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