Influence of the solid-state reaction method on copper vanadate samples
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2024
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BRAZIL MRS MEETING, 22nd
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Copper Vanadate is a material used in various fields [1]. To synthesize this material in a
single phase, two samples of CuO were mixed with V2O5 by solid-state reaction. The
annealing time was varied for each sample: 12 hours for the first (A1) and 15 hours for the
second (A2), both at 700°C. The XRD results show that sample A1 formed Cu2V2O7 (52.1%),
Cu2 . 3 2V4O1 1 (27.1%) and Cu3V2O8 (20.8%). Sample A2 formed Cu2V2O7 (41.6%),
Cu3V2O8 (30.5%) and Cu2.32V4O11 (27.9%). The estimated crystallite were 104 nm (A1) and 103
nm (A2). The difficulty in obtaining pure samples of copper vanadate can be related to
several factors, including the initial composition of the precursors [2] and the solid-state
reaction method, which can affect the stoichiometry because it requires heat treatment at
high temperatures, which can result in multiple phases [2]. The difficulty in obtaining pure
samples of copper vanadate, regardless of the synthesis method used, is widely
acknowledged in the literature [3]. It should be emphasized that this study aims to
contribute to understanding the processes of synthesis and formation of copper vanadate
phases.
Como referenciar
CORREA, DENILSON C.; COSTA, CLEIDILANE S.; PASCA, GABRIEL A.C.; BENTES, BEATRIZ A.; SILVA, CRYSTIAN W.C. da; CARBONARI, ARTUR W. Influence of the solid-state reaction method on copper vanadate samples. In: BRAZIL MRS MEETING, 22nd, September 29 - October 3, 2024, Santos, SP. Abstract... São Carlos, SP: Aptor Software, 2024. Disponível em: https://repositorio.ipen.br/handle/123456789/48953. Acesso em: 28 Feb 2025.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.