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Title:	Indian Journal of Chemistry : Sect A
Other Titles:	Inorganic, Bio-inorganic, Physical, Theoretical & Analytical
Keywords:	Sodium dodecyl sulfate inhibits Ca~04 crystallization and growth significantly through electrostatic interaction between DS2. and Ca2+, while hydroxy isopropyl chitosan promotes the growth of ,Ca~04 (020) surface due to adsorption of -NH2 groups. Both Ca2+and ~ol inhibit the growth of (020) surface remarkably when their concentrations are not the same. Ethanol increasingly inhibits the growth of the (101) and (020) surfaces with increasing.(VethanoIVH2o)· Mi+ ions induce formation of spherical COD when the ratios of Mij/[Ca2j are 1:4 and 4: I, and cruciate-flowered COD when the ratio is 1:1. The electrostatic interaction between SDS and Ca2 Zinc phthalocyanine decorated mesoporous titania (Znpc- Ti02) with a specific surface area of 247 m2 gO' has been synthesized by a hydrothermal method, This visible light active nanocatalyst degrades sulfur mustard, a highly toxic chemical warfare agent, as well as malchite green dye, photocatalytically to nontoxic intermediates and finally into S02, CO2 and H20. Znpc-Ti02 requires an exposure time of as low as 60 min, while with undoped Ti02 almost six times (360 min) longer irradiation time is required. An effective and facile in situ electroless deposition approach has been developed for growing high-quality Prussian blue nanocubes on the surface of graphene oxide (PBNCs/GO) in a controlled manner. The coverage and loading of PB NPs on the surface of GO nanosheets can be tuned by control over the experimental parameters. It exhibits prominent electrocatalytic activity towards reduction of hydrogen peroxide, with a linear calibration in the range of 0.002-2.8 mM and a detection limit of 0.48 !!M. The response is within less than 5 s, while the detection sensitivity is 2502 !!A mM-'cm-2. Adsorption of thiophene molecule on pristine, N-doped and Cu/N codoped Ti02-supported Au overlayers has been studied by DFT calculations, taking into consideration the effects of van der Waals interactions. Thiophene interacts with Ti02 supported Au overlayer by its active sulfur atom, providing a double contact point at the interface region. Thiophene molecule can be adsorbed on both the Au as well as five-fold coordinated titanium sites of Ti02 supported Au overlayers. Adsorption of thiophene molecule on the N-doped Ti02 supported Au overlayers is energetically more favorable than adsorption on the undoped systems. Nickel(II) complexes [Ni(HL)(L)]N03 (1) and [Ni(Lh]4H20 (2) have been synthesized and characterized via single crystal X-ray structural analysis. Supramolecular architecture in both (1) and (2) is shown by CH... n and n ... n interactions. The molecular structures and spectral properties of the complexes have been explained by DFT and TD-DFT calculations. Alkali salts of organic-inorganic hybrid 3d-4f heterometallic germanotun?states, viz., [{Cull, I 01henM.u-CH3COOh} Ln(a- MWII039)2] 1- [M = SilV, Gel, Ln = LaIIl) , ce'", CelV, LallI, CellI, CelV have been prepared under mild reaction conditions. All the compounds are well characterized with SC-XRD, FT-IR spectroscopy, powder-XRD, liquid UV/vis, elemental and thermogravimetric analysis. All the compounds form polymeric chain assistance with copper organic complexes. Two 4-hydroxy coumarin based azo dyes, viz., (E)-3-((2-chlorophenyl)-diazenyl)-4-hydroxy-2H-chromen-2-0ne and (E)-4-hydroxy -3-( (4-n itrophenyl)d iazeny 1)-2H-chromen- 2-one have been synthesized and their anion detection ability bas been studied for selective detection of fluoride and acetate ions througb the naked eye. On addition of 4 equivalents of fluoride or acetate to the CH3CN solution of tbe receptors, the colour changes from light yellow to light red, while addition of other anions does not show any significant change in colour under identical experimental conditions. In fluorescence studies, both the receptors show quenching in the presence of fluoride and acetate ions.
Issue Date:	Feb-2018
Publisher:	NISCAIR
URI:	http://hdl.handle.net/123456789/1869
ISSN:	0376-4710 (print) 0975-0975 (online)
Appears in Collections:	Alerting of New Journals (Che and ENVS)

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