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Characterization of niobium pentoxide synthesized by spray pyrolysis technique and comparison with hydrothermal method |
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| Authors: | Rodolfo de Andrade Schaffner Elson Oliveira Roberta Carolina Pelissari Rizzo Domingues Leandro da Conceição Carlos Itsuo Yamamoto Graciela Inêz Bolzon de Muniz Helton José Alves |
| Affiliation: | 1. Laboratório de Materiais e Energias Renováveis (LABMATER), Universidade Federal do Paraná (UFPR-Setor Palotina), Palotina, Brazil;2. Laboratório de Adsorventes e Catalisadores (LAdCat), Universidade Tecnológica Federal do Paraná (UTFPR-Campus Curitiba), Curtiba, Brazil Contribution: Conceptualization, Investigation, Methodology, Validation, Visualization;3. Laboratório de Adsorventes e Catalisadores (LAdCat), Universidade Tecnológica Federal do Paraná (UTFPR-Campus Curitiba), Curtiba, Brazil Contribution: Conceptualization, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Supervision, Validation;4. Instituto SENAI de Inovação em Biomassa, Três Lagoas, Brazil Contribution: Conceptualization, Funding acquisition, Project administration, Supervision, Visualization;5. Laboratório de Análises de Combustíveis Automotivos (LACAUT), Universidade Federal do Paraná (UFPR-Centro Politécnico), Curitiba, Brazil Contribution: Funding acquisition, Visualization;6. Laboratório Central de Nanotecnologia (LCNano) Universidade Federal do Paraná, UFPR Campus Curitiba, Curitiba, Brazil;7. Laboratório de Materiais e Energias Renováveis (LABMATER), Universidade Federal do Paraná (UFPR-Setor Palotina), Palotina, Brazil Contribution: Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Validation, Visualization |
| Abstract: | Niobium pentoxide (Nb2O5) is a polymorphic ceramic with semiconductor characteristics applied in various fields of study. In this work, the Nb2O5 synthesis by the spray pyrolysis route was compared to the hydrothermal technique. The obtained materials were characterized by N2 physisorption (BET-N2), average particle size distribution by dynamic light scattering (DLS), X-ray diffractometry (XRD), transmission electron microscopy (TEM), and X-ray fluorescence (XRF) spectroscopy. The material synthesized by the spray pyrolysis technique presented high specific area and pore volume, high crystallinity, homogeneity, and nanometric particles, thus representing a potential technique for the Nb2O5 synthesis. |
| Keywords: | hydrothermal Nb2O5 niobium spray pyrolysis |