Hydrogen Storage Materials from Cigarette Butts
Discarded cigarette butts are a major waste disposal and environmental pollution hazard. However, Professor Robert Mokaya has discovered that a carbon-based porous material made from non-biodegradable cellulose acetate in discarded cigarette butts has an extremely high surface area, leading to an unprecedented capacity for storing hydrogen gas. As part of the drive towards the Hydrogen Economy, in which hydrogen is used as a low-carbon energy source, this technique could be developed to replace gasoline as a fuel for transport or natural gas for heating. The research was carried out by Troy Scott Blankenship, an undergraduate project student, and has been published in the academic journal Energy and Environmental Science.
Watch this report by BBC East Midlands.
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Molecular Organic Networks: a Step Beyond Flatland
Non-covalent interactions can organize planar molecules into two-dimensional arrays adsorbed on surfaces via spontaneous self-assembly. This is a convenient strategy for the manufacture of technologically useful periodic structures, such as networks featuring atomically precise dimensions on the sub-5-nm scale. Until now, these supramolecular assemblies have been restricted to single layers of molecules and the assembly of multi-layered structures has proved challenging, especially where each layer consists of different components. However, it has now been shown in a combined experimental and computational stud that such arrays can be combined at the solid–liquid interface into bi-layered heterostructures. Writing in the academic journal Nature Chemistry, Elena Besley, Peter Beton and co-workers describe how they built such a heterostructure at the solid–liquid interface by the epitaxial assembly of a hydrogen- bonded monomolecular layer on top of a hydrogen-bonded bimolecular network.
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Solid-state NMR Reveals Structures of Thousand-year-old Glasses
Writing in Chemistry a European Journal Jeremy Titman, along with Julian Henderson from the University of Nottingham’s Department of Archaeology, has recently described silicon-29 solid-state NMR measurements on the technological materials of a thousand years ago. These are samples of glass manufactured in large furnaces during the Islamic Golden Age some 1200 years ago and recently excavated from archaeological sites across the Middle East. The results show for the first time that it is possible to establish the distribution of silicon environments in ancient glass by silicon-29 NMR, so long as the concentrations of magnetic impurities are low. Solid-state NMR is the only technique which can provide this detailed structural information. From an archaeological point of view the experiments reveal structural differences between glasses from different locations which might indicate the use of different heat treatments during manufacturing at different sites and during different periods in history.
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Electrostatic self-assembly: Understanding the significance of the solvent
Lindgren, E. B.; Derbenev, I.; Khachatourian, A.; Chan, H.-K.; Stace, A. J.; Besley, E.
J. Chem. Theory Comput. 2018 14, 905-915
Amabilino D. B.; Smith D. K.; Steed J. W.
Chem. Soc. Rev. 2017 46(9), 2404-2420
Microscale coiling in bis-imidazolium supramolecular hydrogel fibres induced by the release of a cationic serine protease inhibitor
Limon D.; Jimenez-Newman C. Calpena A. C.; Gonzalez-Campo A.; Amabilino D. B.; Perez-Garcia L
Chem. Comm. 2017 53(32), 4509-4512
Phenol-Catalyzed Discharge in the Aprotic Lithium-Oxygen Battery
Gao X.; Jovanov Zarko P.; Chen Y.; Johnson L. R.; Bruce P. G.
Angewandte Chemie (International Edition) 2017, 56(23), 6539-6543
A rechargeable lithium-oxygen battery with dual mediators stabilizing the carbon cathode
Gao X.; Chen Y.; Johnson L. R.; Jovanov Zarko P.; Bruce P. G.
Nature Energy 2017, 2(9), 17118
Iron(II)-Catalyzed Hydrophosphination of Isocyanates
Sharpe H. R.; Geer A. M.; Lewis W.; Blake A.; Kays D.
Angewandte Chemie (International Edition) 2017, 56(17), 4845-4848
Biomass to porous carbon in one step: directly activated biomass for high performance CO2 storage
Balahmar N.; Al-Jumialy A. S.; Mokaya R.
J. Mat. Chem A. 2017 5(24), 12330-12339
A Multi-Redox Responsive Cyanometalate-Based Metallogel
Mitsumoto K.; Cameron J. M.; Wei R.-J., Nishikawa H.; Shiga T.; Nihei M.; Newton G. N.; Oshio H.
Chem. Eur. J. 2017, 23, 1502–1506
Structure of Ancient Glass by 29Si Magic Angle Spinning NMR Spectroscopy
Bradford H.; Ryder A.; Henderson J.; Titman J. J.
Chem. Eur. J., in press (2018).
Closed Bipolar Electrodes for Spatial Separation of H2 and O2 Evolution during Water Electrolysis and the Development of High-Voltage Fuel Cells
Goodwin S.; Walsh D.A.
ACS applied materials & interfaces. 2017 9(28), 23654
Acceleration of dolomitization by zinc in saline waters
Vandeginste, V.; Snell, O.; Hall, M.R.; Steer, E.; Vandeginste, A.
Nature Communications. 2019 10, 1851.