Nature Chemistry

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Two-dimensional Na–Cl crystals of unconventional stoichiometries on graphene surface from dilute solution at ambient conditions

2018-05-07T19:58:10+00:00 May 7th, 2018|Categories: Publications|Tags: |

Two-dimensional Na–Cl crystals of unconventional stoichiometries on graphene surface from dilute solution at ambient conditionsTwo-dimensional Na–Cl crystals of unconventional stoichiometries on graphene surface from dilute solution at ambient conditions, Published online: 07 May 2018; doi:10.1038/s41557-018-0061-4The common form of salt has a 1:1 ratio of Na+ and Cl−; however, species that deviate from this can be found under extreme conditions, such as high pressure. Now, as a result of cation–π interactions that promote ion–surface adsorption, Na2Cl and Na3Cl have been observed as two-dimensional crystals on graphene at ambient conditions.

Published in: "Nature Chemistry (Advanced Online Publication)".

Two-dimensional Na–Cl crystals of unconventional stoichiometries on graphene surface from dilute solution at ambient conditions

2018-05-07T16:31:28+00:00 May 7th, 2018|Categories: Publications|Tags: |

Two-dimensional Na–Cl crystals of unconventional stoichiometries on graphene surface from dilute solution at ambient conditionsTwo-dimensional Na–Cl crystals of unconventional stoichiometries on graphene surface from dilute solution at ambient conditions, Published online: 07 May 2018; doi:10.1038/s41557-018-0061-4The common form of salt has a 1:1 ratio of Na+ and Cl−; however, species that deviate from this can be found under extreme conditions, such as high pressure. Now, as a result of cation–π interactions that promote ion–surface adsorption, Na2Cl and Na3Cl have been observed as two-dimensional crystals on graphene at ambient conditions.

Published in: "Nature Chemistry".

High phase-purity 1T′-MoS<sub>2</sub>- and 1T′-MoSe<sub>2</sub>-layered crystals

2018-04-02T19:57:40+00:00 April 2nd, 2018|Categories: Publications|Tags: , |

High phase-purity 1T′-MoS2- and 1T′-MoSe2-layered crystalsHigh phase-purity 1T′-MoS<sub>2</sub>- and 1T′-MoSe<sub>2</sub>-layered crystals, Published online: 02 April 2018; doi:10.1038/s41557-018-0035-6The phase in which a crystal exists can have a direct influence over its properties; however, it is usually difficult to control during synthesis. Now it has been shown that micrometre-sized metallic 1T′-MoS2- and 1T′-MoSe2-layered crystals can be prepared in high phase purity on a large scale, and that they display promising electrocatalytic activity towards the hydrogen evolution reaction.

Published in: "Nature Chemistry (Advanced Online Publication)".

High phase-purity 1T′-MoS<sub>2</sub>- and 1T′-MoSe<sub>2</sub>-layered crystals

2018-04-02T16:31:37+00:00 April 2nd, 2018|Categories: Publications|Tags: , |

High phase-purity 1T′-MoS2- and 1T′-MoSe2-layered crystalsHigh phase-purity 1T′-MoS<sub>2</sub>- and 1T′-MoSe<sub>2</sub>-layered crystals, Published online: 02 April 2018; doi:10.1038/s41557-018-0035-6The phase in which a crystal exists can have a direct influence over its properties; however, it is usually difficult to control during synthesis. Now it has been shown that micrometre-sized metallic 1T′-MoS2- and 1T′-MoSe2-layered crystals can be prepared in high phase purity on a large scale, and that they display promising electrocatalytic activity towards the hydrogen evolution reaction.

Published in: "Nature Chemistry".

MoS2 monolayer catalyst doped with isolated Co atoms for the hydrodeoxygenation reaction

2017-07-31T12:30:21+00:00 July 31st, 2017|Categories: Publications|Tags: |

Nature Chemistry 9, 810 (2017). doi:10.1038/nchem.2740 Authors: Guoliang Liu, Alex W. Robertson, Molly Meng-Jung Li, Winson C. H. Kuo, Matthew T. Darby, Mohamad H. Muhieddine, Yung-Chang Lin, Kazu Suenaga, Michail Stamatakis, Jamie H. Warner & Shik Chi Edman Tsang Converting oxygen-rich biomass into fuels requires the removal of oxygen groups through hydrodeoxygenation. MoS2 monolayer sheets decorated with isolated Co atoms bound to sulfur vacancies in the basal plane have now been synthesized that exhibit superior catalytic activity, selectivity and stability for the hydrodeoxygenation of 4-methylphenol to toluene when compared to conventionally prepared materials.

Published in: "Nature Chemistry".

Supramolecular heterostructures formed by sequential epitaxial deposition of two-dimensional hydrogen-bonded arrays

2017-07-24T19:57:30+00:00 July 24th, 2017|Categories: Publications|Tags: , |

Nature Chemistry. doi:10.1038/nchem.2824 Authors: Vladimir V. Korolkov, Matteo Baldoni, Kenji Watanabe, Takashi Taniguchi, Elena Besley & Peter H. Beton Supramolecular heterostructures have been formed by the sequential deposition of two molecular layers with different symmetries and lattice constants — one consisting of carboxylic acid, the other of cyanuric acid and melamine — on a hexagonal boron nitride substrate. Characterization by atomic force microscopy and molecular dynamics simulations shows epitaxial arrangements between the layers.

Published in: "Nature Chemistry (Advanced Online Publication)".

MoS2 monolayer catalyst doped with isolated Co atoms for the hydrodeoxygenation reaction

2017-07-20T19:57:30+00:00 July 20th, 2017|Categories: Publications|Tags: |

Nature Chemistry. doi:10.1038/nchem.2740 Authors: Guoliang Liu, Alex W. Robertson, Molly Meng-Jung Li, Winson C. H. Kuo, Matthew T. Darby, Mohamad H. Muhieddine, Yung-Chang Lin, Kazu Suenaga, Michail Stamatakis, Jamie H. Warner & Shik Chi Edman Tsang Converting oxygen-rich biomass into fuels requires the removal of oxygen groups through hydrodeoxygenation. MoS2 monolayer sheets decorated with isolated Co atoms bound to sulfur vacancies in the basal plane have now been synthesized that exhibit superior catalytic activity, selectivity and stability for the hydrodeoxygenation of 4-methylphenol to toluene when compared to conventionally prepared materials.

Published in: "Nature Chemistry (Advanced Online Publication)".

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