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Growth and characterization of semiconducting nickel sulfide nanocrystals from air-stable single-source metal organic precursors

By Sohail Saeed (610749) and Naghmana Rashid (722467)


<p>Three symmetrical and unsymmetrical nickel(II) complexes [<i>cis</i>-(C<sub>3</sub>H<sub>7</sub>)<sub>2</sub>NC(S)NC(O)C<sub>6</sub>H<sub>3</sub>(3,5-NO<sub>2</sub>)<sub>2</sub>]<sub>2</sub>Ni(II), [<i>cis</i>-(C<sub>4</sub>H<sub>9</sub>)<sub>2</sub>NC(S)NC(O)C<sub>6</sub>H<sub>3</sub>(3,5-NO<sub>2</sub>)<sub>2</sub>]<sub>2</sub>Ni(II), and [<i>cis</i>-(Hex)(Me)<sub>2</sub>NC(S)NC(O) C<sub>6</sub>H<sub>3</sub>(3,5-NO<sub>2</sub>)<sub>2</sub>]<sub>2</sub>Ni(II) were synthesized and characterized by FTIR spectroscopy, elemental analysis, and mass spectrometry. These metal complexes have been used as single-source precursors for the preparation of semiconducting nickel sulfide nanocrystals. Rapid injection of metal complexes into oleylamine at 230°C, followed by immediate cooling, led to the formation of irregular-shaped 20–170-nm nickel sulfide nanocrystals. The deposited nickel sulfide nanocrystals were characterized by X-ray powder diffraction and transmission electron microscopy.</p

Topics: Biophysics, Biochemistry, Medicine, Genetics, Molecular Biology, Marine Biology, Cancer, Environmental Sciences not elsewhere classified, Astronomical and Space Sciences not elsewhere classified, Chemical Sciences not elsewhere classified, nanomaterials, nickel sulfide nanocrystals, X-ray powder diffraction (p-XRD), transmission electron microscopy (TEM), symmetrical and unsymmetrical nickel(II) complexes, single-source precursors
Year: 2015
DOI identifier: 10.6084/m9.figshare.1378722.v3
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Provided by: FigShare
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