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A solvothermal reaction route for the synthesis of CuFeS2 ultrafine powder

Published online by Cambridge University Press:  31 January 2011

Junqing Hu
Affiliation:
Department of Chemistry and Structure Research Laboratory, University of Science and Technology of China, Hefei, 230026, People's Republic of China
Qingyi Lu
Affiliation:
Department of Chemistry and Structure Research Laboratory, University of Science and Technology of China, Hefei, 230026, People's Republic of China
Kaibin Tang
Affiliation:
Department of Chemistry and Structure Research Laboratory, University of Science and Technology of China, Hefei, 230026, People's Republic of China
Yitai Qian
Affiliation:
Department of Chemistry and Structure Research Laboratory, University of Science and Technology of China, Hefei, 230026, People's Republic of China
Guien Zhou
Affiliation:
Department of Chemistry and Structure Research Laboratory, University of Science and Technology of China, Hefei, 230026, People's Republic of China
Xianming Liu
Affiliation:
Department of Chemistry and Structure Research Laboratory, University of Science and Technology of China, Hefei, 230026, People's Republic of China
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Abstract

A 100-nm CuFeS2 ultrafine powder was prepared through a solvothermal reaction at 200–250 °C. X-ray powder diffraction and transmission electron microscopy results revealed that chalcopyrite-phase CuFeS2 was crystallized with single-crystalline nature and preferential orientation growth. Mössbauer spectrum exhibited a six-peak hyperfine magnetic spectrum and a single nonmagnetic peak. Elemental analysis gave the atomic ratio of Cu:Fe:S of 1:1.02:2.10. The influence factors on the formation of CuFeS2 ultrafine powder are discussed.

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Copyright
Copyright © Materials Research Society 1999

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A solvothermal reaction route for the synthesis of CuFeS2 ultrafine powder
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