Metal bis(benzylthiolates): Efficient single source precursors to solid solutions and nanoparticles of metal sulfides

被引：25

作者：

Boudjouk, P ^{[1
]}

Jarabek, BR

Simonson, DL

Seidler, DJ

Grier, DG

McCarthy, GJ

Keller, LP

机构：

[1] N Dakota State Univ, Dept Chem, Ctr Main Grp Chem, Fargo, ND 58105 USA

[2] MVA Inc, Norcross, GA 30093 USA

来源：

CHEMISTRY OF MATERIALS | 1998年 / 10卷 / 09期

关键词：

D O I：

10.1021/cm970669d

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The preparation of solid solutions of the sulfides of zinc, cadmium, and lead has been attempted by low-temperature pyrolysis (150-400 degrees C) of metal bis(benzylthiolate) precursors. The (Zn,Cd)S shows solid solution behavior at 200-400 degrees C and crystallite sizes of similar to 5 nm. The CdS-PbS system was also prepared by the precursor decomposition method, exhibiting interesting behavior in the lead-rich region. The 150 degrees C pyrolysis of Pb(SBn)(2) leads to nanocrystalline (20-40 nm) PbS single crystals distributed throughout: the nanocrystalline (similar to 2-5 nm) regions of CdS. Pyrolysis at 200 degrees C produced 40-60 nm PbS cubes dispersed throughout nanocrystalline (similar to 2-5 nm) CdS. The solids produced were characterized by X-ray powder diffraction, scanning electron microscopy, transmission electron microscopy, selected area electron diffraction, energy-dispersive X-ray analysis, and elemental analysis.

引用

页码：2358 / 2364

页数：7

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