Environmentally friendly synthesis methods to obtain the misfit [Ca2CoO3-d]0.62[CoO2] thermoelectric material

This work reports the microstructural and thermoelectric characterization of the misfit [Ca2CoO3-d]0.62[CoO2] compound obtained by a solid-state synthesis using mollusk shells and a proteic sol-gel method, which uses gelatin as a polymerizing agent. The results clearly demonstrate the capability of...

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Principais autores:	Paskocimas, Carlos Alberto, Emerenciano, Aline Alencar, Araújo, Allan Jedson Medeiros de, Grilo, João Paulo de Freitas, Macedo, Daniel Araújo de, Rasekh, Shahed, Kovalevsky, Andrei V., Nascimento, Rubens Maribondo do
Formato:	article
Idioma:	English
Publicado em:	Elsevier
Assuntos:	Ca3Co4O9 Ceramics Environmentally friendly precursors Proteic sol-gel synthesis Electrical properties
Endereço do item:	https://repositorio.ufrn.br/handle/123456789/32155
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spelling	ri-123456789-321552024-03-19T04:03:15Z Environmentally friendly synthesis methods to obtain the misfit [Ca2CoO3-d]0.62[CoO2] thermoelectric material Paskocimas, Carlos Alberto Emerenciano, Aline Alencar Araújo, Allan Jedson Medeiros de Grilo, João Paulo de Freitas Macedo, Daniel Araújo de Rasekh, Shahed Kovalevsky, Andrei V. Nascimento, Rubens Maribondo do Ca3Co4O9 Ceramics Environmentally friendly precursors Proteic sol-gel synthesis Electrical properties This work reports the microstructural and thermoelectric characterization of the misfit [Ca2CoO3-d]0.62[CoO2] compound obtained by a solid-state synthesis using mollusk shells and a proteic sol-gel method, which uses gelatin as a polymerizing agent. The results clearly demonstrate the capability of these routes to produce pure Ca3Co4O9 with plate-like morphology. Sintered ceramic samples show randomly oriented grains and relative densities in the range of 63–67%. The obtained microstructures provide reasonable electrical properties and result in competitive thermoelectric performance for the material prepared by the proteic sol-gel synthesis (P.F. of 205 lW/K2 m at 700 C) 2021-12 2021-04-12T16:45:04Z 2019-11-01 article EMERENCIANO, Aline A.; ARAðJO, Allan J.M.; GRILO, João P.F.; MACEDO, Daniel A.; RASEKH, Shahed; KOVALEVSKY, Andrei V.; PASKOCIMAS, Carlos A.; NASCIMENTO, Rubens M.. Environmentally friendly synthesis methods to obtain the misfit [Ca2CoO3-δ]0.62[CoO2] thermoelectric material. Materials Letters, [S.L.], v. 254, p. 286-289, nov. 2019. Disponível em: https://www.sciencedirect.com/science/article/abs/pii/S0167577X19310407?via%3Dihub. Acesso em: 04 dez. 2020. http://dx.doi.org/10.1016/j.matlet.2019.07.053. 0167-577X https://repositorio.ufrn.br/handle/123456789/32155 10.1016/j.matlet.2019.07.053 en Attribution 3.0 Brazil http://creativecommons.org/licenses/by/3.0/br/ application/pdf Elsevier
institution	Repositório Institucional
collection	RI - UFRN
language	English
topic	Ca3Co4O9 Ceramics Environmentally friendly precursors Proteic sol-gel synthesis Electrical properties
spellingShingle	Ca3Co4O9 Ceramics Environmentally friendly precursors Proteic sol-gel synthesis Electrical properties Paskocimas, Carlos Alberto Emerenciano, Aline Alencar Araújo, Allan Jedson Medeiros de Grilo, João Paulo de Freitas Macedo, Daniel Araújo de Rasekh, Shahed Kovalevsky, Andrei V. Nascimento, Rubens Maribondo do Environmentally friendly synthesis methods to obtain the misfit [Ca2CoO3-d]0.62[CoO2] thermoelectric material
description	This work reports the microstructural and thermoelectric characterization of the misfit [Ca2CoO3-d]0.62[CoO2] compound obtained by a solid-state synthesis using mollusk shells and a proteic sol-gel method, which uses gelatin as a polymerizing agent. The results clearly demonstrate the capability of these routes to produce pure Ca3Co4O9 with plate-like morphology. Sintered ceramic samples show randomly oriented grains and relative densities in the range of 63–67%. The obtained microstructures provide reasonable electrical properties and result in competitive thermoelectric performance for the material prepared by the proteic sol-gel synthesis (P.F. of 205 lW/K2 m at 700 C)
format	article
author	Paskocimas, Carlos Alberto Emerenciano, Aline Alencar Araújo, Allan Jedson Medeiros de Grilo, João Paulo de Freitas Macedo, Daniel Araújo de Rasekh, Shahed Kovalevsky, Andrei V. Nascimento, Rubens Maribondo do
author_facet	Paskocimas, Carlos Alberto Emerenciano, Aline Alencar Araújo, Allan Jedson Medeiros de Grilo, João Paulo de Freitas Macedo, Daniel Araújo de Rasekh, Shahed Kovalevsky, Andrei V. Nascimento, Rubens Maribondo do
author_sort	Paskocimas, Carlos Alberto
title	Environmentally friendly synthesis methods to obtain the misfit [Ca2CoO3-d]0.62[CoO2] thermoelectric material
title_short	Environmentally friendly synthesis methods to obtain the misfit [Ca2CoO3-d]0.62[CoO2] thermoelectric material
title_full	Environmentally friendly synthesis methods to obtain the misfit [Ca2CoO3-d]0.62[CoO2] thermoelectric material
title_fullStr	Environmentally friendly synthesis methods to obtain the misfit [Ca2CoO3-d]0.62[CoO2] thermoelectric material
title_full_unstemmed	Environmentally friendly synthesis methods to obtain the misfit [Ca2CoO3-d]0.62[CoO2] thermoelectric material
title_sort	environmentally friendly synthesis methods to obtain the misfit [ca2coo3-d]0.62[coo2] thermoelectric material
publisher	Elsevier
publishDate	2021
url	https://repositorio.ufrn.br/handle/123456789/32155
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Environmentally friendly synthesis methods to obtain the misfit [Ca2CoO3-d]0.62[CoO2] thermoelectric material

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