Recent Submissions

  • SYNTHESIS, CHARACTERIZATION AND JUDD-OFELT ANALYSIS OF Eu(III) OR Sm(III) β-DIKETONATE COMPLEXES.

    Scapolan, Maria I. X.; De Oliveira, Daniel H.; Monteiro, Jorge H. S. K.; Davolos, Marian R. Autor UNESP; Adati, Renata D. (Quimica Nova, 2021) [Artigo]
    The lanthanide complexes [Ln(bmdm)3(L)] where Ln(III) = Eu and Sm were synthesized successfully using the diketone (1-(4-methoxyphenyl)-3-(4-tert-butylphenyl) propane-1,3-dione) (bmdm) and (L) = 1,10-phenanthroline (phen), ...
  • Two-dimensional synthesis of silver nanoparticle in situ Langmuir films from the reduction of silver sulfadiazine

    Assis, D. R. Autor UNESP; Ueyama, V. N. Autor UNESP; Santos, C. C. Autor UNESP; Davolos, M. R. Autor UNESP; Jafelicci, M. Autor UNESP (Thin Solid Films, 2022) [Artigo]
    Two–dimensional (2D) arrangement of monodisperse metallic nanoparticles (NPs) has attracted attention because of the unique properties of this assembly. These properties offer new perspectives for several applications. ...
  • Bioactive Material with Microorganisms can Enhance the Micronutrients Solubilization and Sulfate Availability from Low Reactive Sources: Insight for Application as Coating Fertilizer Granules

    Majaron, Vinícius F.; da Silva, Marisa Gomes; Bortoletto-Santos, Ricardo Autor UNESP; Klaic, Rodrigo; Ribeiro, Sidney J. L. Autor UNESP; Polito, Wagner L.; Bevilaqua, Denise Autor UNESP; Farinas, Cristiane S.; Ribeiro, Caue (Journal of Polymers and the Environment, 2022) [Artigo]
    Fertilization is essential to provide suitable conditions for plant development and crop productivity, but the environmental cost of fertilizers is a drawback for achieving a sustainable agriculture. A potential alternative ...
  • Europium-doped Zn-Al-LDH intercalated with 4-biphenylcarboxylate anion and undoped Zn-Al-LDH intercalated with its anionic Eu(III) complex: Structural and UV or X-ray excited luminescence properties

    Saska Romero, João Henrique Autor UNESP; Saito, Gustavo Pereira Autor UNESP; Cagnin, Flávia Autor UNESP; Cebim, Marco Aurélio Autor UNESP; Davolos, Marian Rosaly Autor UNESP (Optical Materials, 2022) [Artigo]
    Undoped and doped layered double hydroxides (LDH) were obtained by coprecipitation and the bca (biphenyl-4-carboxylate) anion or [Eu(bca)4]- intercalation by solvothermal post treatment. The three systems, (i) [Zn2Al1-xEux]NO3-LDH ...
  • Biosynthesis and recent advances in production of bacterial cellulose

    Donini, Ígor A.N. Autor UNESP; de Salvi, Denise T.B. Autor UNESP; Fukumoto, Fabiana K. Autor UNESP; Lustri, Wilton R.; Barud, Hernane S. Autor UNESP; Marchetto, Reinaldo Autor UNESP; Messaddeq, Younes Autor UNESP; Ribeiro, Sidney J.L. (Ecletica Quimica, 2010) [Artigo]
    The present paper discusses the recent advances about the biosynthesis and production of bacterial cellulose (BC), from gram-negative, aerobic and acetic acid Gluconcetobacter xylinus (Gx). The BC differs from his vegetal ...
  • Going Above and Beyond: A Tenfold Gain in the Performance of Luminescence Thermometers Joining Multiparametric Sensing and Multiple Regression

    Maturi, Fernando E. Autor UNESP; Brites, Carlos D. S.; Ximendes, Erving C.; Mills, Carolyn; Olsen, Bradley; Jaque, Daniel; Ribeiro, Sidney J. L. Autor UNESP; Carlos, Luís D. (Laser and Photonics Reviews, 2021) [Artigo]
    Luminescence thermometry has substantially progressed in the last decade, rapidly approaching the performance of concurrent technologies. Performance is usually assessed through the relative thermal sensitivity, Sr, and ...
  • Chemical, spectroscopic characterization, molecular modeling and antibacterial activity assays of a silver (I) complex with succinic acid

    Paris, José Alberto; Salvador Rocchi, Ana Júlia; Biagioni, Bruno Torquato; Cavicchioli, Maurício Autor UNESP; Amaral Machado, Rachel Temperani Autor UNESP; Pavan, Fernando Rogério Autor UNESP; Corbi, Pedro Paulo; Lustri, Wilton Rogério; Pereira, Douglas Henrique; Massabni, Antonio Carlos Autor UNESP (Ecletica Quimica, 2021) [Artigo]
    A silver(I) complex with succinic acid in the form of succinate is presented. Chemical characterization confirms the molecular composition Ag2C4H4O4 for the complex. Infrared spectra suggest a bidentate coordination of ...
  • Random laser generation in rhodamine-doped aerogel

    De Miranda, Adriana Ramos; Pecoraro, Édison Autor UNESP; Lima Ribeiro, Sidney José Autor UNESP; Giehl, Júlia Maria; Reijn, Saara-Maarit; Wetter, Niklaus Ursus (Optics InfoBase Conference Papers, 2013) [Trabalho apresentado em evento]
    Random Laser generation can give valuable information on the structure of diffuse materials. We demonstrate for the first time random laser generation from an aerogel matrix doped with rhodamine 6G. © OSA 2013.
  • Rhodamine-doped aerogel random laser

    de Miranda, Adriana Ramos; Pecoraro, Édison Autor UNESP; Ribeiro, Sidney José Lima Autor UNESP; Giehl, Júlia Maria; Reijn, Saara-Maarit; Wetter, Niklaus Ursus (Advanced Solid State Lasers, ASSL 2014, 2014) [Trabalho apresentado em evento]
    Random Laser generation can give valuable information on the structure of diffuse materials. The aerogel matrix has knowingly a fractal organization. Here, random laser generation from an aerogel matrix doped with rhodamine ...
  • Emissão quase branca de um complexo binuclear de disprósio(III) contendo dicarboxilatos

    Lahoud, Marcelo G. Autor UNESP; Davolos, Marian R. Autor UNESP; De Jesus, Caio A.S. Autor UNESP; Frem, Regina C. G. Autor UNESP (Ecletica Quimica, 2013) [Artigo]
    This work reports the synthesis and characterization of the novel [Dy2(dcpz)2(suc)(H2O)8](H2O)1.5 (dcpz = 3,5-dicarboxypyrazolate, suc = succinate). The structure should probably consist of a binuclear species in which ...
  • Sensitized thulium blue and red upconversion emission and energy-transfer processes in Nd3+/Yb3+/Tm3+-codoped PbGeO3-based glass excited around 800 nm

    Gouveia-Neto, A. S.; Dos Santos, P. V.; Bueno, L. Autor UNESP; Ribeiro, S. J.L. Autor UNESP; Messaddeq, Y. Autor UNESP (2003 European Quantum Electronics Conference, EQEC 2003, 2003) [Trabalho apresentado em evento]
    This paper reports on the generation of bright blue and red upconversion luminescence through the sensitization of thulium ions in Nd3+Yb3+Tm3+ triply-doped 70%XoPbGeO3:15%PbF2:15%CdF2-glass excited by a diode laser source ...
  • Glasses on the nanoscale

    Eckert, Hellmut; Ribeiro, Sidney J. L. Autor UNESP; Santagneli, Silvia H. Autor UNESP; Nalin, Marcelo; Poirier, Gael; Messaddeq, Younès (Springer Handbook of Nanomaterials, 2013) [Capítulo de livro]
    Homogeneity is supposed to be a particular feature of glasses leading to the well-known isotropic optical properties and mechanical behavior. However, in some cases heterogeneity can be detected at the molecular scale. ...
  • Fluorescence enhancement in Er3+ -doped tellurite glass from gold nanoparticles

    Osorio, S. P.A.; Rivera, V. A.G.; Messaddeq, Y. Autor UNESP; Nunes, L. A.O.; Marega, E. (Optics InfoBase Conference Papers, 2010) [Trabalho apresentado em evento]
  • Study of neodymium laser transition in glasses and influence of up-conversion processes under diode pumping

    Courrol, Lilia Coronato; Kassab, Luciana Reyes Pires; Del Cacho, Vanessa; Wetter, Niklaus Ursus; Games, Laircio; Vieira Jr., Nilson Dias; Messaddeq, Yotines Autor UNESP; Ribeiro, Sidney Jose L. Autor UNESP (Conference on Lasers and Electro-Optics Europe - Technical Digest, 2003) [Trabalho apresentado em evento]
    By solving the rate equations including upconversion for Nd glass hosts under continuous diode pumping, it was possible to calculate the nonlinear behavior of the pumping efficiency and threshold pump intensity as a function ...
  • Bright visible upconversion emission and thermally enhanced cooperative energy-transfer in Tb3+/Yb3+-codoped tellurite glass

    Gouveia-Neto, A. S.; Dos Santos, P. V.; Vermelho, M. V.D.; De Araujo, M. T.; Cassanjes, F. C. Autor UNESP; Ribeiro, S. J.L. Autor UNESP; Messaddeq, Y. Autor UNESP (Conference on Lasers and Electro-Optics Europe - Technical Digest, 2003) [Trabalho apresentado em evento]
    In this work, bright visible upconversion emission excited through cooperative energy-transfer and thermal effects in Tb/sup 3+//Yb/sup 3+/-codoped 60TeO/sub 2/-10GeO/sub 2/-10K/sub 2/O-10Li/sub 2/O-10Nb/sub 2/O/sub 5/glasses ...
  • Upconversion luminescence and thermal effects in terbium-ytterbium codoped fluorogermanate glass-ceramic

    Gouveia-Neto, A. S.; Bueno, L. A.; Do Nascimento, R. F.; Sundheimer, M. L.; Da Costa, E. B.; Ribeiro, S. J.L. Autor UNESP; Messaddeq, Y. Autor UNESP (Physics and Chemistry of Glasses: European Journal of Glass Science and Technology Part B, 2009) [Artigo]
    Cooperative energy transfer upconversion luminescence is investigated in Tb3+/Yb3+-codoped PbGeO3-PbF 2-CdF2 glass-ceramic and its precursor glass under resonant and off resonance infrared excitation. Bright UV-visible ...
  • Multiwavelength visible and white light generation by upconversion emission in Ho/Tm/Yb triply doped fluorogermanate glass-ceramic

    Gouveia-Neto, A. S.; Bueno, L. A.; Do Nascimento, R. F.; Da Costa, E. B.; Ribeiro, S. J.L. Autor UNESP; Messaddeq, Y. Autor UNESP (Physics and Chemistry of Glasses: European Journal of Glass Science and Technology Part B, 2009) [Artigo]
    Energy transfer excited multiwavelength visible upconversion emission and white light generation is described in a single sample ofPbGeO 3-PbF2-CdF2 glass-ceramic triply doped with Ho/Tm/Yb under single infrared laser ...
  • Strong infrared spectral broadening in low-loss As-S chalcogenide suspended core microstructured optical fibers

    El-Amraoui, M.; Fatome, J.; Jules, J. C.; Kibler, B.; Gadret, G.; Fortier, C.; Smektala, F.; Skripatchev, I. Autor UNESP; Polacchini, C. F. Autor UNESP; Messaddeq, Y. Autor UNESP et al. (Optics Express, 2010) [Artigo]
    We report the fabrication and characterization of the first guiding chalcogenide As2S3 microstructured optical fibers (MOFs) with a suspended core. At 1.55 μm, the measured losses are approximately 0.7 dB/m or 0.35 dB/m ...
  • Relief grating induced by photo-expansion in Ga-Ge-S and Ga-Ge-As-S glasses

    Messaddeq, S. H.; Li, M. Siu; Lezal, D.; Messaddeq, Y. Autor UNESP (Journal of Optoelectronics and Advanced Materials, 2002) [Artigo]
    We report the fabrication of relief diffraction gratings recorded on a surface of photosensitive Ga10Ge25S65 and Ga5Ge25As5S65 glasses by means of interference of two UV laser beams at 351 nm. The diffraction efficiency ...
  • Optical recording in Se(Te)/As2S3 multilayers

    Kokenyesi, S.; Ivan, I.; Malyovanik, M.; Messaddeq, S. H. Autor UNESP; Messaddeq, Y. Autor UNESP; Ribeiro, S. J.L. Autor UNESP (Physics and Chemistry of Glasses: European Journal of Glass Science and Technology Part B, 2006) [Trabalho apresentado em evento]
    The development of Te containing nanoscaled, compositionally modulated Te/As2S3 multilayer structures enables the realisation of optical recording in real time with a CW He-Ne laser illumination (λ=633 nm) with improved ...

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