Journal ArticleDOI
Nanomaterials of high surface energy with exceptional properties in catalysis and energy storage
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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Turning bulk materials into 0D, 1D and 2D metallic nanomaterials by selective aqueous corrosion
Liang Fang,Jing Jing Feng,Xiaobin Shi,T.Z. Si,Yun Song,Hong Jia,Yongtao Li,Yongtao Li,Hai Wen Li,Qingan Zhang +9 more
TL;DR: A selective aqueous corrosion strategy is presented here for obtaining low-dimensional metals, including nanoparticles, nanofibers and nanosheets, based on the dealloying of aqueously-favoring metal from its bulk alloy.
Journal ArticleDOI
Connecting the Particles in the Box - Controlled Fusion of Hexamer Nanocrystal Clusters within an AB 6 Binary Nanocrystal Superlattice
TL;DR: The concept of nanocrystal superlattices as a versatile ‘nanoreactor' to create and study novel materials based on precisely defined size, composition and structure of Nanocrystals into a mesostructured cluster is described.
Journal ArticleDOI
Rapid Induction and Microwave Heat-Up Syntheses of CdSe Quantum Dots
TL;DR: Two heat-up methods are applied to nanoparticle synthesis and the induction heating method produces CdSe quantum dots with ultrasmall properties in seconds, compared with microwave synthesis, which produces quantum dots on a longer timescale but provides fast, continuous heating.
Journal ArticleDOI
Mycosynthesis of ultrasonically-assisted uniform cubic silver nanoparticles by isolated phenols from Agaricus bisporus and its antibacterial activity
Mahmood S. Jameel,Azlan Abdul Aziz,Mohammed Ali Dheyab,Pegah Moradi Khaniabadi,Alyaa Abdulhussein Kareem,Mohammad Alrosan,Abdullah Taha Ali,Muwafaq Ayesh Rabeea,Baharak Mehrdel +8 more
TL;DR: In this paper , a facile and environmentally friendly process to synthesize uniformly cubic-shaped silver nanoparticles (AgNPs) with ultrasonic assist in a short time was presented.
Journal ArticleDOI
Tailored synthesis of well-faceted single crystals of Fe3O4 and their application in p-nitrophenol reduction
TL;DR: In this article, cubic and polyhedral Fe3O4 nanocrystals were prepared by adjusting the concentration of the triethanolamine (TEOA) in solution, and the addition of increasing amounts of NaOH was found to facilitate the morphology transition from cube shape to octahedron shape.
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.