19 documents found, page 1 of 2

Facile deposition of NiFe-LDH ultrathin film on pyrolytic graphite sheet for ox...

Unconventional Disorder by Femtosecond Laser Irradiation in Fe2O3

Made available in DSpace on 2022-04-28T19:46:30Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-01-01; This paper demonstrates that femtosecond laser-irradiated Fe2O3 materials containing a mixture of α-Fe2O3 and ϵ-Fe2O3 phases showed significant improvement in their photoelectrochemical performance and magnetic and optical properties. The absence of Raman-active vibrational modes in the irradiated sampl...

Surface states influence in Al Schottky barrier of Ge nanowires

Made available in DSpace on 2022-04-28T18:59:51Z (GMT). No. of bitstreams: 0 Previous issue date: 2013-01-01; Aiming the understanding of how the application to devices is affected by the presence of oxygen in semiconductor nanostructures, Al/Ge-nanowires Schottky devices were fabricated without any previous treatment to remove the native oxide from nanowires' surface, originated during the growth process. Elec...

Synthesis of nanocrystalline tetragonal zirconia by a polymeric organometallic ...

Made available in DSpace on 2022-04-29T08:46:50Z (GMT). No. of bitstreams: 0 Previous issue date: 1999-01-01; A polymeric precursor method based on the Pechini process was successfully used to synthesize zirconia-12 mol% ceria ceramic powders. The influence of the main process variables (citric acid-ethylene glycol ratio, citric acid - total oxides ratio and calcination temperature) on phase formation and powde...

New method to control particle size and particle size distribution of SnO2 nano...

Made available in DSpace on 2022-04-29T08:46:57Z (GMT). No. of bitstreams: 0 Previous issue date: 2000-07-05; The nucleation and growth of the SnO2 were controlled using the Nb2O5 as additive. Preliminary gas sensing measurements revealed that the response time of the Nb2O5-doped SnO2 is faster than that of the undoped material.; LIEC Department of Chemistry UFSCar, Via Washington Luiz, Km. 235, CP-676, CEP-135...

Preparation and characterization of in(OH)3: Eu nanostructures obtained by micr...

Made available in DSpace on 2022-04-29T09:12:37Z (GMT). No. of bitstreams: 0 Previous issue date: 2012-03-01; Crystalline europium-doped indium hydroxide (In(OH)3:Eu) nanostructures were prepared by a rapid and efficient Microwave-Assisted Hydrothermal (MAH) method. Nanostructures were obtained at a low temperature. FE-SEM images confirm that these samples are composed of 3D nanostructures. XRD, optical diffuse...

One-pot exfoliation and surface functionalization of MoS2: a potential nanofill...

One-step synthesis of nickel sulfides and their electrocatalytic activities for...

Active-electrode biosensor of SnO2 nanowire for cyclodextrin detection from mic...

Made available in DSpace on 2020-12-10T19:53:23Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-04-17; Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP); Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq); Cyclodextrin (CD) is a conical compound used in food and pharmaceutical industry to complexation of hydrophobic substances. It is a product of microbial enzymes which conv...

Visible-light photocatalysis with bismuth titanate (Bi12TiO20) particles synthe...

Made available in DSpace on 2018-12-11T16:38:40Z (GMT). No. of bitstreams: 0 Previous issue date: 2015-05-01; In this paper, we have successfully synthesized high quality single crystalline bismuth titanate with sillenite (Bi12TiO20) phase by the oxidant peroxide method (OPM). The structures of precipitate and calcined materials were characterized by X-ray diffraction (XRD), UV-vis diffuse reflectance spectra (...