✦ LIBER ✦

A solvothermal route to CdS nanocrystals

✍ Scribed by Ujjal K. Gautam; Ram Seshadri; C.N.R. Rao

Book ID: 104108222
Publisher: Elsevier Science
Year: 2003
Tongue: English
Weight: 288 KB
Volume: 375
Category: Article
ISSN: 0009-2614
DOI: 10.1016/s0009-2614(03)00912-6

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✦ Synopsis

A novel solvothermal route for the preparation of organic soluble CdS nanocrystals, involving the reaction of cadmium stearate with sulfur in the presence of tetralin has been described. Tetralin in the presence of S gives H 2 S, getting aromatized to naphthalene. By using trioctylphosphineoxide as the capping agent, nanocrystals of 4 nm are obtained. Use of dodecanethiol cap results in 5 nm as well as 10 nm nanocrystals which can be separated readily. The nanocrystals have the cubic zinc blende structure and exhibit blue shifts of the absorption maximum.

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