Authors:
Danniely de MeloCidade Universitária Departamento de Química, CCEN, Universidade Federal da Paraíba João Pessoa Brazil 58059-900 PB Campus I João Pessoa Brazil 58059-900 PB Campus I

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M. SantosCidade Universitária Departamento de Química, CCEN, Universidade Federal da Paraíba João Pessoa Brazil 58059-900 PB Campus I João Pessoa Brazil 58059-900 PB Campus I

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Iêda SantosCidade Universitária Departamento de Química, CCEN, Universidade Federal da Paraíba João Pessoa Brazil 58059-900 PB Campus I João Pessoa Brazil 58059-900 PB Campus I

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L. SoledadeCidade Universitária Departamento de Química, CCEN, Universidade Federal da Paraíba João Pessoa Brazil 58059-900 PB Campus I João Pessoa Brazil 58059-900 PB Campus I

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M. BernardiInstituto de Física de São Carlos CMDMC, Departamento de Física e de Ciências dos Materiais São Carlos Brazil SP São Carlos Brazil SP

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E. LongoUNESP CMDMC, Instituto de Química Araraquara Brazil SP Araraquara Brazil SP

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A. SouzaCidade Universitária Departamento de Química, CCEN, Universidade Federal da Paraíba João Pessoa Brazil 58059-900 PB Campus I João Pessoa Brazil 58059-900 PB Campus I

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Abstract  

SnO2-based materials are used as sensors, catalysts and in electro–optical devices. This work aims to synthesize and characterize the SnO2/Sb2O3-based inorganic pigments, obtained by the polymeric precursor method, also known as Pechini method (based on the metallic citrate polymerization by means of ethylene glycol). The precursors were characterized by thermogravimetry (TG) and differential thermal analysis (DTA). After characterization, the precursors were heat-treated at different temperatures and characterized by X-ray diffraction. According to the TG/DTA curves basically two-step mass loss process was observed: the first one is related to the dehydration of the system; and the second one is representative to the combustion of the organic matter. Increase of the heat treatment temperature from 500 to 600C and 700C resulted higher crystallinity of the formed product.

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation
1969
Volumes
per Year
1
Issues
per Year
24
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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Geopolymers

Inorganic polymeric new materials

Author:
J. Davidovits