Authors:
Z. Lu Suzhou University The Testing and Analysis Center, The Central Laboratory Suzhou, Jiangsu 215006 P.R. China Suzhou, Jiangsu 215006 P.R. China

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Y. Ding Suzhou University The Testing and Analysis Center, The Central Laboratory Suzhou, Jiangsu 215006 P.R. China Suzhou, Jiangsu 215006 P.R. China

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Y. Xu Suzhou University The Testing and Analysis Center, The Central Laboratory Suzhou, Jiangsu 215006 P.R. China Suzhou, Jiangsu 215006 P.R. China

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Z. Yao Suzhou University The Testing and Analysis Center, The Central Laboratory Suzhou, Jiangsu 215006 P.R. China Suzhou, Jiangsu 215006 P.R. China

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Q. Liu Suzhou University The Testing and Analysis Center, The Central Laboratory Suzhou, Jiangsu 215006 P.R. China Suzhou, Jiangsu 215006 P.R. China

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J. Lang Suzhou University Departments of Chemistry and Chemical Engineering Suzhou, Jiangsu 215006 P.R. China Suzhou, Jiangsu 215006 P.R. China

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Abstract  

Thermal analysis on two new heterometallic sulfide clusters, [PPh4]2[WS3(CuBr)3]2 and [PPh4]2[MoS3(CuBr)3]2 (where PPh4=tetraphenyl phosphonium, =pentamethylcyclopenta- dienyl), was carried out using a simultaneous TG-DTA unit in an atmosphere of flowing nitrogen and at various heating rates. Supplemented using EDS method, their thermal behavior and properties, together with the composition of their intermediate product, were examined and discussed in connection with their distinctive molecular structure as a dianion, which provided some theoretically and practically significant information. Both clusters decomposed in a two-step mode, but without a stable new phase composed of Mo/W-Cu-S formed during their decomposition process as we expected. Based on TG-DTG data, four methods, i.e. Achar-Brindley-Sharp, Coats-Redfern, Kissinger and Flynn- Wall-Ozawa equation, were used to calculate the non-isothermal kinetic parameters and to determine the most probable mechanisms.

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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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