Showing papers in "Chemical Communications in 2011"

TL;DR: Strongly fluorescent graphene quantum dots have been prepared by one-step solvothermal method with PL quantum yield as high as 11.4%.

TL;DR: The first example of ZIF materials synthesized in aqueous solution, having size of ~85 nm and showing excellent thermal, hydrothermal and solvothermal stabilities is reported.

TL;DR: The basic strategies for crystal facet engineering of photocatalysts are presented and the recent advances in synthesizing faceted photo-reduction and oxidation sites, in particular TiO(2) crystals are described.

TL;DR: Carbon nanodots (C-Dots) were found to possess intrinsic peroxidase-like activity, and could catalytically oxidize 3,3',5,5'-tetramethylbenzidine (TMB) by H( 2)O(2) to produce a colour reaction that offers a simple, sensitive and selective colorimetric method for glucose determination in serum.

TL;DR: An overview of the recent developments of porous MOFs as platforms in the functional applications of sorption and separation, heterogeneous catalysis, as supports/host matrices for metal nanoparticles, and as templates/nanoreactors for new material preparation are provided.

TL;DR: An overview of advances in the synthesis of YSNs with controllable sizes, compositions, geometries, structures and functionalities is provided, covering systematic synthesis approaches and key promising applications.

TL;DR: These MoS(2)/GNS composites exhibit extraordinary capacity, i.e., up to 1300 mA h g(-1), and excellent rate capability and cycling stability as an anode material for lithium ion batteries.

TL;DR: A facile hydrazine hydrate reduction of graphene oxide with surface-passivated by a polyethylene glycol (PEG) method for the fabrication of graphene quantum dots (GQDs) with frequency upconverted emission with speculation on the upconversion luminescence due to the anti-Stokes photoluminescence.

TL;DR: The article reviews recent developments (mostly since 2004 until June 2010) in catalysts for CO(2)/epoxide copolymerisation and in the properties of the polycarbonates.

TL;DR: ZIF-8 as a promising storage material was investigated at high pressures up to ~39 GPa by in situ FTIR spectroscopy for the first time and exhibits an unusual chemical stability even under extreme compression.

TL;DR: A novel aluminium-ion rechargeable battery comprised of an electrolyte containing AlCl(3) in the ionic liquid, 1-ethyl-3-methylimidazolium chloride, and a V(2)O(5) nano-wire cathode against an aluminium metal anode with very stable electrochemical behaviour is reported.

TL;DR: This feature article aims to demonstrate the solvent effect on regulating such diversiform metallosupramolecular solids, incorporating their crystal growth/assembly, structural modulation, dynamic transformations, and potential applications, which may provide new insights into the rational design and construction of such advanced crystalline materials.

TL;DR: The development in pollution control, gas storage and bioadsorption by using ordered mesoporous materials as adsorbents is summarized and outlooked.

TL;DR: BiOCl nanosheets were synthesized by hydrolyzing a hierarchical flowerlike molecular precursor (Bi(n)(Tu)(x)Cl(3n), Tu = thiourea), and the mechanism was discussed.

TL;DR: Ten essentials of synthesis in the flow mode, a new enabling technology in organic chemistry, are highlighted as flashlighted providing an insight into current and future issues and developments in this field.

TL;DR: A brief flavour of the development of gels derived from low molecular weight gelators broadly in the first decade of the 2000's is given, a particular theme is the emergence of switchable gels and increasing hi-tech niche application areas.

TL;DR: A facile chemical route to synthesize the polypyrrole-reduced graphene oxide composite showing a highly selective Hg(2+) removal capacity is reported, making this material practically useful for waste water treatment.

TL;DR: This feature article summarizes the methods for the creation of all-carbon quaternary stereogenic centers in acyclic systems and is divided into sections on substitution and additions reactions, alkylation, aldol, Mannich and rearrangements reactions.

TL;DR: A facile method is developed to synthesize intrinsically fluorescent carbon dots by hydrothermal treatment of glucose in the presence of monopotassium phosphate, and the fluorescence emission of the carbon dots thus produced is tunable by simply adjusting the concentration of monopOTassium phosphate.

TL;DR: The development of ambient stable organic n-channel semiconductor molecules for thin-film transistors has experienced a tremendous impetus in the last decade to close the gap in performance in comparison to that of their p-channel counterparts.

TL;DR: Highly luminescent micrometre-sized fine particles of a Zn(II) metal-organic framework (MOF) of a new π-electron rich tricarboxylate dispersed in ethanol is demonstrated as a selective sensory material for the detection of nitroaromatic explosives via a fluorescence quenching mechanism.

TL;DR: As-prepared carbon dots exhibited visible, tunable and stable photoluminescence (PL), and XPS analysis showed that the increased oxygen concentration might be concerned with the origin of PL.

TL;DR: Through the systematic study on the variation of ligands, structural and bonding modes of different metal centres, the structure-property relationships of the various classes of luminescent transition metal complexes can be obtained and their electronic absorption and luminescence properties can be fine-tuned.

TL;DR: The first white light-emitting device originating from single carbon dot components is demonstrated, indicating that carbon dots have great potential to be an alternative phosphor for fabricating white light electroluminescent devices.

TL;DR: A future 3-D heterogeneous nanostructure is proposed, which may set a goal toward developing ideal nano-architectured electrodes for future electrochemical energy storage devices.

TL;DR: A new reducing agent system is reported: hydriodic acid with trifluoroacetic acid, which can chemically convert graphene oxide into reduced graphene oxide at temperatures below 0 °C in solution, which is the first achievement to produce reduced grapheneoxide at subzero temperature with a mass production.

TL;DR: Dynamic covalent functionality has been acknowledged as a powerful tool for the construction of organised architectures, the reversible nature thermodynamically facilitates self-control and self-correction.

TL;DR: A novel Ag/AgBr/BiOBr hybrid was prepared by a rational in situ ion exchange reaction between BiOBr hierarchical microspheres and AgNO(3) in ethylene glycol followed by light reduction, which displayed superior visible light driven photocatalytic activities in sterilization of pathogenic organism and degradation of organic dye compared to N-doped P25.

TL;DR: Allenes have proven themselves to be valuable building blocks toward complex molecular targets, revealing novel applications in natural product synthesis, pharmaceutical chemistry and materials science, and some of the recent important developments on the synthesis of allenes are highlighted.

TL;DR: A simple method for phosphate (Pi) detection is established by developing an off-on fluorescence probe of europium-adjusted carbon dots (CDs), which has been successfully applied to the detection of Pi in very complicated matrixes such as artificial wetlands system.