Journal ArticleDOI
Nanomaterials of high surface energy with exceptional properties in catalysis and energy storage
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TLDR
This critical review presents a review of the progress made for producing shape-controlled synthesis of nanomaterials of high surface energy using electrochemical and wet chemistry techniques and discusses important nanommaterials such as nanocrystal catalysts based on Pt, Pd, Au and Fe, metal oxides TiO(2) and SnO( 2), as well as lithium Mn-richMetal oxides.Abstract:
The properties of nanomaterials for use in catalytic and energy storage applications strongly depends on the nature of their surfaces. Nanocrystals with high surface energy have an open surface structure and possess a high density of low-coordinated step and kink atoms. Possession of such features can lead to exceptional catalytic properties. The current barrier for widespread industrial use is found in the difficulty to synthesise nanocrystals with high-energy surfaces. In this critical review we present a review of the progress made for producing shape-controlled synthesis of nanomaterials of high surface energy using electrochemical and wet chemistry techniques. Important nanomaterials such as nanocrystal catalysts based on Pt, Pd, Au and Fe, metal oxides TiO2 and SnO2, as well as lithium Mn-rich metal oxides are covered. Emphasis of current applications in electrocatalysis, photocatalysis, gas sensor and lithium ion batteries are extensively discussed. Finally, a future synopsis about emerging applications is given (139 references).read more
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Visible-light-driven Ag/AgCl plasmonic photocatalysts via a surfactant-assisted protocol: enhanced catalytic performance by morphology evolution from near-spherical to 1D structures
Yanping Wang,Yanping Wang,Penglei Chen,Penglei Chen,Yunfan Shen,Chuncheng Chen,Changchun Yang,Minghua Liu +7 more
TL;DR: This work might launch an easy method for the construction of fibrous Ag/AgCl architectures of superior photocatalytic reactivity, and it also provides deep insights into the surfactant-assisted synthesis.
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A chemical bottom-up and successive top-down approach for nanoporous SnO2 hollows from Ni3Sn2 nanoalloys: high surface area photocatalysts and anode materials for lithium ion batteries
Jae-Won Choi,Seung Yong Han,Jaewon Jin,Jihyun Kim,Jihoon Park,Sang-Moon Lee,Hae Jin Kim,Seung Uk Son +7 more
TL;DR: In this article, a chemical bottom-up and successive top-down approach is used for nanoporous hollow materials, which showed promising electrochemical performances with a discharge capacity of 560 mA h g−1 after 30 cycles and stabilities as anode materials in lithium ion batteries.
Journal ArticleDOI
Self-assembly and wetting properties of gold nanorod-CTAB molecules on HOPG.
Imtiaz Ahmad,Floor Derkink,Tim Boulogne,Pantelis Bampoulis,Harold J.W. Zandvliet,Hidayat Ullah Khan,Rahim Jan,E. Stefan Kooij +7 more
TL;DR: The self-assembled layers of CTAB molecules on the HOPG terraces prior to nanorod deposition were shown to change the wettability of the surface, and as a result, gold nanorode deposition takes place on nonwetting HOPg terraces.
Journal ArticleDOI
Revealing Facet Effects of Palladium Nanocrystals on Electrochemical Biosensing.
TL;DR: Electrochemical CO displacement is utilized to remove residual surfactants from facet-engineered Pd NCs, and the structure-activity relationship on specific facets is investigated, finding high sensitivity, low detection limit and wide applicable concentration range, superior to {110} and {111}.
Journal ArticleDOI
Cellulose-Cyclodextrin Co-Polymer for the Removal of Cyanotoxins on Water Sources
Diego Gomez-Maldonado,Iris Beatriz Vega Erramuspe,Ilari Filpponen,Leena-Sisko Johansson,Salvatore Lombardo,Junyong Zhu,Wim Thielemans,Maria Soledad Peresin +7 more
TL;DR: A methodology for decorating cellulose nanofibrils with β-cyclodextrin or with poly(β-cyclodesxtrin), which were tested for the recovery of microcystin from synthetic water and obtained a maximum recovery of 196 mg/g.
References
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Journal ArticleDOI
Gold nanoparticles: assembly, supramolecular chemistry, quantum-size-related properties, and applications toward biology, catalysis, and nanotechnology.
TL;DR: A review of gold nanoparticles can be found in this article, where the most stable metal nanoparticles, called gold colloids (AuNPs), have been used for catalysis and biology applications.
Journal ArticleDOI
Chemistry and properties of nanocrystals of different shapes.
TL;DR: The interest in nanoscale materials stems from the fact that new properties are acquired at this length scale and, equally important, that these properties are equally important.
Journal ArticleDOI
Shape‐Controlled Synthesis of Metal Nanocrystals: Simple Chemistry Meets Complex Physics?
TL;DR: A comprehensive review of current research activities that center on the shape-controlled synthesis of metal nanocrystals, including a brief introduction to nucleation and growth within the context of metal Nanocrystal synthesis, followed by a discussion of the possible shapes that aMetal nanocrystal might take under different conditions.
Journal ArticleDOI
Anatase TiO(2) single crystals with a large percentage of reactive facets
Hua Gui Yang,Chenghua Sun,Shi-Zhang Qiao,Jin Zou,Gang Liu,Sean C. Smith,Hui-Ming Cheng,Gao Qing Lu +7 more
TL;DR: This work synthesized uniform anatase TiO2 single crystals with a high percentage (47 per cent) of {001} facets using hydrofluoric acid as a morphology controlling agent and demonstrates that for fluorine-terminated surfaces this relative stability is reversed.
Journal ArticleDOI
Battery materials for ultrafast charging and discharging
Byoungwoo Kang,Gerbrand Ceder +1 more
TL;DR: It is shown that batteries which obtain high energy density by storing charge in the bulk of a material can also achieve ultrahigh discharge rates, comparable to those of supercapacitors.