Thermoelectric properties of Sb-doped tin oxide by a one-step solid-state reaction

Autor(es)

Macario, Leilane R. ^{[1, 2, 3]} ; Golabek, Andrew ^{[2, 3]} ; Kleinke, Holger ^{[2, 3]} ; Leite, Edson R. ^{[1, 4]}

Afiliação do(s) autor(es)

^[1] CNPEM, Brazilian Nanotechnol Natl Lab LNNano, BR-13083970 Campinas, SP - Brazil

^[2] Univ Waterloo, Dept Chem, Waterloo, ON N2L 3G1 - Canada

^[3] Univ Waterloo, Waterloo Inst Nanotechnol, Waterloo, ON N2L 3G1 - Canada

^[4] Univ Fed Sao Carlos, Chem Dept, LIEC, CDMF, BR-13565905 Sao Carlos, SP - Brazil

• Tipo de documento: Artigo Científico
• Fonte: CERAMICS INTERNATIONAL; v. 48, n. 3, p. 3585-3591, FEB 1 2022.
• Citações Web of Science: 0

Resumo

Recently, oxide-based materials have proven to be potential thermoelectric materials at high temperatures. In this work, the thermoelectric properties of one-step solid-state sintered Sn1-xSbxO2 (x = 0, 0.005, 0.01, 0.02, 0.03, 0.04) ceramic pellets were investigated in detail . It was confirmed that the addition of Sb significantly alters the thermoelectric properties of SnO2 due to the increase in the carrier concentration, which increases the electrical conductivity. The Seebeck coefficient values of a l l the solid solutions were negative, which indicates that these samples have n-type conduction. The thermoelectric performance of the material was evaluated by determining the zT value and the best composition was Sn0.98Sb0.02O2 with zT similar to 0.06 at 1073 K . (AU)

• Processo FAPESP: 20/02017-1 - Estudo das propriedades termoelétricas em óxidos
• Beneficiário: Leilane Roberta Macario
• Modalidade de apoio: Bolsas no Exterior - Estágio de Pesquisa - Pós-Doutorado
• Processo FAPESP: 19/08040-8 - Melhoria do Desempenho Termoelétrico para o Material Cerâmico de SnO2 Dopado com Sb com uso de MnO2 como Aditivo de Sinterização
• Beneficiário: Leilane Roberta Macario
• Modalidade de apoio: Bolsas no Brasil - Pós-Doutorado
• Processo FAPESP: 13/07296-2 - CDMF - Centro de Desenvolvimento de Materiais Funcionais
• Beneficiário: Elson Longo da Silva
• Modalidade de apoio: Auxílio à Pesquisa - Centros de Pesquisa, Inovação e Difusão - CEPIDs