01713nas a2200217   4500008004100000022001400041245009600055210006900151260007300220300001400293490000800307520090000315653003601215653002201251653001601273100002501289700002101314700002201335700001901357856011901376       2010                        eng d  a0169-433200aSwitching of hydrophilic to ultra hydrophilic properties of flower-like gold nanostructures0 aSwitching of hydrophilic to ultra hydrophilic properties of flow  aPO BOX 211, 1000 AE AMSTERDAM, NETHERLANDSbELSEVIER SCIENCE BVcAPR  a4192-41950 v2563 a<p>Flower-like morphologies of gold nanostructures were obtained via chemical method by controlling molar concentration ratio of reducing agent and precursor. Chloroauric acid was used as a metal precursor while tri-sodium citrate as the reducing agent. These flower-like structures were characterized by UV-vis spectroscopy, Scanning Electron Microscopy (SEM) and X-ray Diffraction (XRD) techniques. The basic crystallite size calculated via XRD measurement was found to be similar to 10 nm and remain unaffected by the different concentration ratios. The coating of these structures was made over clean glass substrate and analyzed for wettability by measuring their water contact angles. Our analysis indicates that the coatings of hierarchical flower-like structures of gold are able to provide ultra hydrophilic properties to glass substrate. (C) 2010 Elsevier B.V. All rights reserved.</p>10aGold flower-like nanostructures10aUltra hydrophilic10aWettability1 aDhumale, Vinayak, A.1 aShah, Preeti, V.1 aMulla, Imtiaz, S.1 aSharma, R., B.  uhttps://library.ncl.res.in/content/switching-hydrophilic-ultra-hydrophilic-properties-flower-gold-nanostructures-0