Journal
DALTON TRANSACTIONS
Volume 44, Issue 38, Pages 16923-16928Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5dt02181b
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Funding
- Global Frontier R&D program by Center for Multiscale Energy Systems [2011-0031566]
- Global RD program [1415134409]
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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.
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