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Issue 40, 2014
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Controllable growth of Ag2S–CdS heteronanostructures

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High quality Ag2S–CdS heteronanostructures were prepared via a facile one-pot method, which is based on the co-thermal decomposition of two single-source precursors of (C2H5)2NCS2Ag and ((C2H5)2NCS2)2Cd in a mixture of oleylamine and oleic acid. Ag2S–CdS heteronanostructures with spherical and matchstick-like structures can be easily obtained in high yields by careful control of the growth kinetics. It was found that oleic acid is conducive to the formation of spherical Ag2S–CdS heteronanostructures and oleylamine helps towards the formation of matchstick-like Ag2S–CdS heteronanostructures. Variable-temperature powder X-ray diffraction studies confirmed the heteroepitaxial growth of CdS on tiny Ag2S nanocrystals, in which the Ag2S nanocrystal plays a catalytic role in the epitaxial growth of the CdS segments.

Graphical abstract: Controllable growth of Ag2S–CdS heteronanostructures

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Supplementary files

Article information

03 Apr 2014
27 May 2014
First published
27 May 2014

CrystEngComm, 2014,16, 9501-9505
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Author version available

Controllable growth of Ag2S–CdS heteronanostructures

Y. Zhang, S. Shen and Q. Wang, CrystEngComm, 2014, 16, 9501
DOI: 10.1039/C4CE00694A

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