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cadmium nitrate (1.9 g) and thiourea (1.42 g) were added into a tefl  on
stainless steel autoclave that had been fi lled with ethylenediamine to
60% of its capacity (50 mL). The autoclave was maintained at 180 ¡ãC for
48 h and allowed to cool down to room temperature. A yellow precipitate
(CdS nanowires) was fi ltered and washed several times with absolute
ethanol and deionized water to remove the residue of organic solvent.
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