研究领域

Materials and Inorganic Chemistry

We have been involved in designing catalytic reaction based on the structure determined from various characterisation techniques. Some of the recent examples include (a) the development of iron containing nanoporous aluminophosphate catalysts for the selective oxidation of benzene to phenol in presence of nitrous oxide and (b) supported nano gold clusters for the selective oxidation of hydrocarbon. Nanoporous materials. In addition to the above, we have been involved in developing in situ methods for following the crystallisation process of (a) nanoporouos materials, (b) multi-component mixed metal oxide catalysts and (c) nano materials. Majority of the characterisation is carried out using Synchrotron Radiation techniques

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Ash, P. W., Boyd, D. A., Hyde, T. I., Keating, J. L., Randlshofer, G., Rothenbacher, K., Sankar, G., Schauer, J. J., Shafer, M. M., Toner, B. M. (2014). Local Structure and Speciation of Platinum in Fresh and Road-Aged North American Sourced Vehicle Emissions Catalysts: An X-ray Absorption Spectroscopic Study. ENVIRONMENTAL SCIENCE & TECHNOLOGY 48(7), 3658-3665 doi:10.1021/es404974e. Bhachu, D. S., Sathasivam, S., Carmalt, C. J., Parkin, I. P., Sankar, G., Scanlon, D. O., Cibin, G., Watson, G. W., Bawaked, S. M., Obaid, A. Y., Al-Thabaiti, S., Basahel, S. N. (2014). Solution processing route to multifunctional titania thin films: Highly conductive and photcatalytically active Nb:TiO. Advanced Functional Materials 24(32), 5075-5085 doi:10.1002/adfm.201400338. Hollingsworth, N., Roffey, A., Islam, H. -. U., Mercy, M., Roldan, A., Bras, W., Wolthers, M., Catlow, C. R. A., Sankar, G., Hogarth, G., de Leeuw, N. H. (2014). Active Nature of Primary Amines during Thermal Decomposition of Nickel Dithiocarbamates to Nickel Sulfide Nanoparticles. CHEMISTRY OF MATERIALS 26(21), 6281-6292 doi:10.1021/cm503174z. Martis, V., Martis, M., Lipp, J., Detollenaere, D., Rayment, T., Sankar, G., Bras, W. (2014). Energy-resolved electron-yield XAS studies of nanoporous CoAlPO-18 and CoAlPO-34 catalysts. JOURNAL OF SYNCHROTRON RADIATION 21, 744-750 doi:10.1107/S1600577514008108. Author URL Smith, A. J. (2014). Editor of: In-situ and ex-situ studies of heteroatom substituted nanoporous materials using advanced radiation techniques. Belin, S., Bracey, C. L., Briois, V., Ellis, P. R., Hutchings, G. J., Hyde, T. I., Sankar, G. (2013). CuAu/SiO2 catalysts for the selective oxidation of propene to acrolein: the impact of catalyst preparation variables on material structure and catalytic performance. CATALYSIS SCIENCE & TECHNOLOGY 3(11), 2944-2957 doi:10.1039/c3cy00254c. Bhachu, D. S., Smith, A. J., Parkin, I. P., Dent, A. J., Sankar, G. (2013). Zeolite films: A new synthetic approach. JOURNAL OF MATERIALS CHEMISTRY A 1(4), 1388-1393 doi:10.1039/c2ta00528j. Bowker, M., Brookes, C., Carley, A. F., House, M. P., Kosif, M., Sankar, G., Wawata, I., Wells, P. P., Yaseneva, P. (2013). Evolution of active catalysts for the selective oxidative dehydrogenation of methanol on Fe2O3 surface doped with Mo oxide. PHYSICAL CHEMISTRY CHEMICAL PHYSICS 15(29), 12056-12067 doi:10.1039/c3cp50399b. Corbos, E. C., Ellis, P. R., Cookson, J., Briois, V., Hyde, T. I., Sankar, G., Bishop, P. T. (2013). Tuning the properties of PdAu bimetallic nanocatalysts for selective hydrogenation reactions. CATALYSIS SCIENCE & TECHNOLOGY 3(11), 2934-2943 doi:10.1039/c3cy00255a. Daley, T., Raj, E., Ramos, S., Cibin, G., Dent, A., Hyde, T. I., Sankar, G. (2013). Tracking the formation of nano-sized zinc oxide from zinc peroxide by in situ XAS and XRD. 15TH INTERNATIONAL CONFERENCE ON X-RAY ABSORPTION FINE STRUCTURE (XAFS15). ( Vol. 430 ). Islam, H. -. U., Roffey, A., Hollingsworth, N., Catlow, R., Wolthers, M., De Leeuw, N., Bras, W., Sankar, G., Hogarth, G. (2013). In situ XAS of the solvothermal decomposition of dithiocarbamate complexes. 15TH INTERNATIONAL CONFERENCE ON X-RAY ABSORPTION FINE STRUCTURE (XAFS15). ( Vol. 430 ). Keating, J., Sankar, G., Hyde, T. I., Kohara, S., Ohara, K. (2013). Elucidation of structure and nature of the PdO-Pd transformation using in situ PDF and XAS techniques. PHYSICAL CHEMISTRY CHEMICAL PHYSICS 15(22), 8555-8565 doi:10.1039/c3cp50600b. Martis, M., Mori, K., Kato, K., Sankar, G., Yamashita, H. (2013). What Are the Active Species in the Photoinduced H2 Production with Terpyridyl Pt(II) Complexes? An Investigation by in Situ XAFS. CHEMPHYSCHEM 14(6), 1122-1125 doi:10.1002/cphc.201201093. Martis, M., Smith, A. J., Tang, C., Parker, J. E., Hyde, T. I., Watson, M. J., Baucherel, X., Kohara, S., Wakihara, T., Sankar, G. (2013). Tracking the structural changes in pure and heteroatom substituted aluminophosphate, AIPO-18, using synchrotron based X-ray diffraction techniques. PHYSICAL CHEMISTRY CHEMICAL PHYSICS 15(28), 11766-11774 doi:10.1039/c3cp00015j. Martis, V., Oldman, R., Anderson, R., Fowles, M., Hyde, T., Smith, R., Nikitenko, S., Bras, W., Sankar, G. (2013). Structure and speciation of chromium ions in chromium doped Fe2O3 catalysts. Phys Chem Chem Phys 15(1), 168-175 doi:10.1039/c2cp43307a. Peeters, A., Valvekens, P., Ameloot, R., Sankar, G., Kirschhock, C. E. A., De Vos, D. E. (2013). Zn-Co Double Metal Cyanides as Heterogeneous Catalysts for Hydroamination: A Structure-Activity Relationship. ACS CATALYSIS 3(4), 597-607 doi:10.1021/cs300805z. Alexander, S. J., Lin, T., Brett, D. J. L., Evans, J. R. G., Cibin, G., Dent, A., Sankar, G., Darr, J. A. (2012). A combinatorial nanoprecursor route for direct solid state chemistry: Discovery and electronic properties of new iron-doped lanthanum nickelates up to La 4Ni 2FeO 10 - δ. Solid State Ionics Bhachu, D. S., Sankar, G., Parkin, I. P. (2012). Aerosol Assisted Chemical Vapor Deposition of Transparent Conductive Zinc Oxide Films. CHEMISTRY OF MATERIALS 24(24), 4704-4710 doi:10.1021/cm302913b. Author URL Edusi, C., Sankar, G., Parkin, I. P. (2012). The Effect of Solvent on the Phase of Titanium Dioxide Deposited by Aerosol-assisted CVD. CHEMICAL VAPOR DEPOSITION 18(4-6), 126-132 doi:10.1002/cvde.201106961. Author URL Kilmartin, J., Sarip, R., Grau-Crespo, R., Di Tommaso, D., Hogarth, G., Prestipino, C., Sankar, G. (2012). Following the Creation of Active Gold Nanocatalysts from Phosphine-Stabilized Molecular Clusters. ACS Catalysis 2, 957-963 doi:10.1021/cs2006263. Publisher URL