PbS microcrystals with a magic-square-like structure prepared by a simple hydrothermal method by Yonghong Ni, Xianwen Wei, Jianming Hong, and Xiang Ma

Crystal Research and Technology

Cryst. Res. Technol. 41, 885 (2006) - Abstract -

PbS microcrystals with a magic-square-like structure prepared by a simple hydrothermal method

Yonghong Ni, Xianwen Wei, Jianming Hong*, and Xiang Ma*

College of Chemistry and Materials Science, Anhui Key Laboratory of Functional Molecular Solids, Anhui Normal University, Wuhu, 241000, P. R. China
*Center of Materials Analysis, Nanjing University, Nanjing, 210093, P. R. China

Keywords	lead sulfide, magic-square-like structure, hydrothermal synthesis
PACS	81.07.Bc, 81.16.Be, 81.16.Dn
DOI	10.1002/crat.200510688

PbS microcrystals with a magic-square-shaped structure were successfully fabricated via a simple hydrothermal route, employing (CH₃COO)₂Pb and Na₂S₂O₃ as the lead and sulfur source without the assistance of any surfactant or template. S₂O₃^2- ions acted not only a supplier of S^2- ions but also a coordinating reagent. The formation of the above morphology was the direct result of the coordination between thiosulfate ions and lead ions. Researches indicated that the different synthetic approach could influence the morphology of the final product. A possible formation mechanism was suggested.

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