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Issue 38, 2015
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Synthesis of colloidal InSb nanocrystals via in situ activation of InCl3

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Abstract

Indium antimonide (InSb), a narrow band gap III–V semiconductor is a promising infrared-active material for various optoelectronic applications. Synthetic challenge of colloidal InSb nanocrystals (NCs) lies in the limited choice of precursors. Only a few successful synthetic schemes involving highly toxic stibine (SbH3) or air- and moisture-sensitive metal silylamides (In[N(Si-(Me)3)2]3 or Sb[N(Si-(Me)3)2]3) as the precursor have been reported. We found that commercially available precursors InCl3 and Sb[NMe2]3 directly form highly crystalline colloidal InSb nanocrystals in the presence of a base such as LiN(SiMe3)2 or nBuLi. The mean size of the particles can be controlled by simply changing the activating base. This approach offers a one-pot synthesis of InSb NCs from readily available chemicals without the use of complex organometallic precursors.

Graphical abstract: Synthesis of colloidal InSb nanocrystals via in situ activation of InCl3

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Publication details

The article was received on 09 Jun 2015, accepted on 25 Aug 2015 and first published on 25 Aug 2015


Article type: Paper
DOI: 10.1039/C5DT02181B
Citation: Dalton Trans., 2015,44, 16923-16928
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    Synthesis of colloidal InSb nanocrystals via in situ activation of InCl3

    S. Tamang, K. Kim, H. Choi, Y. Kim and S. Jeong, Dalton Trans., 2015, 44, 16923
    DOI: 10.1039/C5DT02181B

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